grepcent / static financial knowledge base

AXIS CAPITAL HOLDINGS LTD (AXS)

CIK: 0001214816. SIC: 6331 Fire, Marine & Casualty Insurance. Latest 10-K as of: 2026-02-27.

SIC breadcrumb: Finance, Insurance, And Real Estate > Insurance Carriers > SIC 6331 Fire, Marine & Casualty Insurance

SEC company page: https://www.sec.gov/edgar/browse/?CIK=1214816. Latest filing source: 0001214816-26-000097.

Informational only - descriptive public-record data, not investment advice.

Business

Read AXS's verbatim Item 1 Business section from its latest 10-K: Business.

Risk Factors

Read AXS's verbatim Item 1A Risk Factors from its latest 10-K: Risk Factors.

Selected Fundamentals

MetricValueUnitFYFiled
Revenue6,563,678,000USD20252026-02-27
Net income1,008,898,000USD20252026-02-27
Assets34,461,926,000USD20252026-02-27

Financials

Annual standardized facts from SEC companyfacts as of latest extracted filing date 2026-02-27. Source: https://data.sec.gov/api/xbrl/companyfacts/CIK0001214816.json. Derived margins, ratios, and free cash flow are computed from the extracted annual SEC facts.

Download these verified figures (annual + quarterly, with per-value filing provenance): JSON · CSV

Flow metrics use full-year FY periods from 10-K/10-K/A filings; balance-sheet metrics use FY-end instants. Free cash flow = operating cash flow - capital expenditures. Missing metrics are omitted rather than fabricated.

Metric2016201720182019202020212022202320242025
Revenue4,005,657,0004,591,595,0005,090,406,0005,173,427,0004,841,954,0005,321,725,0005,135,439,0005,643,388,0005,957,651,0006,563,678,000
Net income513,368,000-368,969,00043,021,000323,473,000-120,424,000618,609,000223,083,000376,292,0001,081,786,0001,008,898,000
Diluted EPS5.08-4.940.003.34-1.796.902.254.0212.3512.35
Operating cash flow406,724,000259,229,00010,773,000199,004,000343,503,0001,197,692,000798,038,0001,255,559,0001,844,813,000-40,932,000
Dividends paid132,323,000135,032,000133,502,000137,209,000141,590,000145,603,000149,341,000153,775,000151,765,000142,732,000
Share buybacks495,426,000261,180,0000.000.000.000.0034,987,0000.00199,944,000887,717,000
Assets20,813,691,00024,760,177,00024,132,566,00025,604,054,00025,877,687,00027,368,970,00027,682,971,00030,250,672,00032,681,309,00034,461,926,000
Liabilities14,541,321,00019,418,913,00019,102,495,00020,060,046,00020,581,993,00021,958,314,00023,043,061,00024,987,476,00026,591,930,00028,105,491,000
Stockholders' equity6,272,370,0005,341,264,0005,030,071,0005,544,008,0005,295,694,0005,410,656,0004,639,910,0005,263,196,0006,089,379,0006,356,435,000
Cash and cash equivalents1,039,494,000948,626,0001,232,814,0001,241,109,000902,831,000844,592,000751,415,000953,476,0002,143,471,000820,252,000

Ratios

ROE and ROA use period-end equity/assets. Liabilities / equity uses total liabilities divided by stockholders' equity. Current ratio uses current assets divided by current liabilities when both are reported.

Metric2016201720182019202020212022202320242025
Net margin12.82%-8.04%0.85%6.25%-2.49%11.62%4.34%6.67%18.16%15.37%
Return on equity8.18%-6.91%0.86%5.83%-2.27%11.43%4.81%7.15%17.77%15.87%
Return on assets2.47%-1.49%0.18%1.26%-0.47%2.26%0.81%1.24%3.31%2.93%
Liabilities / equity2.323.643.803.623.894.064.974.754.374.42

Industry Peer Context

Each number-line places AXS against the min, median, and max of latest reported values among companies in the same SIC industry when at least three peers report that ratio.

Net margin peer context

AXS Net margin versus SIC peer range. Source: grepcent computed from latest SEC companyfacts ratios for SIC industry 6331; peer count 51.AXS Net margin versus SIC peer range. Source: grepcent computed from latest SEC companyfacts ratios for SIC industry 6331; peer count 51.51 SIC peersMin -22.4%Median 12.3%Max 38.4%AXS 15.4%

ROE peer context

AXS ROE versus SIC peer range. Source: grepcent computed from latest SEC companyfacts ratios for SIC industry 6331; peer count 53.AXS ROE versus SIC peer range. Source: grepcent computed from latest SEC companyfacts ratios for SIC industry 6331; peer count 53.53 SIC peersMin -67.6%Median 15.9%Max 39.9%AXS 15.9%

ROA peer context

AXS ROA versus SIC peer range. Source: grepcent computed from latest SEC companyfacts ratios for SIC industry 6331; peer count 53.AXS ROA versus SIC peer range. Source: grepcent computed from latest SEC companyfacts ratios for SIC industry 6331; peer count 53.53 SIC peersMin -8.6%Median 3.9%Max 15.2%AXS 2.9%

Financial Charts

AXS revenue, last 5 periods. Source: SEC companyfacts FY2025.AXS revenue, last 5 periods. Source: SEC companyfacts FY2025.AXS RevenueLatest point: FY2025 = $6.6BSource: SEC companyfacts FY2025.Fiscal yearReported revenue$0.0B$4.0B$8.0BFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: Revenues. Source concepts: us-gaap:Revenues.

AXS net income, last 5 periods. Source: SEC companyfacts FY2025.AXS net income, last 5 periods. Source: SEC companyfacts FY2025.AXS Net incomeLatest point: FY2025 = $1.0BSource: SEC companyfacts FY2025.Fiscal yearNet income$0.0B$1.0B$2.0BFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: NetIncomeLoss. Source concepts: us-gaap:NetIncomeLoss.

AXS diluted eps, last 5 periods. Source: SEC companyfacts FY2025.AXS diluted eps, last 5 periods. Source: SEC companyfacts FY2025.AXS Diluted EPSLatest point: FY2025 = $12.35/shareSource: SEC companyfacts FY2025.Fiscal yearDiluted EPS (USD/share)$0.00/share$7.50/share$15.00/shareFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: EarningsPerShareDiluted. Source concepts: us-gaap:EarningsPerShareDiluted.

AXS operating cash flow, last 5 periods. Source: SEC companyfacts FY2025.AXS operating cash flow, last 5 periods. Source: SEC companyfacts FY2025.AXS Operating cash flowLatest point: FY2025 = -$40.9MSource: SEC companyfacts FY2025.Fiscal yearOperating cash flow-$250.0M$0.0B$4.0BFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: NetCashProvidedByUsedInOperatingActivities. Source concepts: us-gaap:NetCashProvidedByUsedInOperatingActivities.

AXS dividends paid, last 5 periods. Source: SEC companyfacts FY2025.AXS dividends paid, last 5 periods. Source: SEC companyfacts FY2025.AXS Dividends paidLatest point: FY2025 = $142.7MSource: SEC companyfacts FY2025.Fiscal yearDividends paid$0.0B$125.0M$250.0MFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: PaymentsOfDividendsCommonStock. Source concepts: us-gaap:PaymentsOfDividendsCommonStock.

AXS share buybacks, last 5 periods. Source: SEC companyfacts FY2025.AXS share buybacks, last 5 periods. Source: SEC companyfacts FY2025.AXS Share buybacksLatest point: FY2025 = $887.7MSource: SEC companyfacts FY2025.Fiscal yearShare buybacks$0.0B$500.0M$1.0BFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: PaymentsForRepurchaseOfCommonStock. Source concepts: us-gaap:PaymentsForRepurchaseOfCommonStock.

AXS assets, last 5 periods. Source: SEC companyfacts FY2025.AXS assets, last 5 periods. Source: SEC companyfacts FY2025.AXS AssetsLatest point: FY2025 = $34.5BSource: SEC companyfacts FY2025.Fiscal yearAssets$0.0B$20.0B$40.0BFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: Assets. Source concepts: us-gaap:Assets.

AXS liabilities, last 5 periods. Source: SEC companyfacts FY2025.AXS liabilities, last 5 periods. Source: SEC companyfacts FY2025.AXS LiabilitiesLatest point: FY2025 = $28.1BSource: SEC companyfacts FY2025.Fiscal yearLiabilities$0.0B$15.0B$30.0BFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: Liabilities. Source concepts: us-gaap:Liabilities.

AXS stockholders' equity, last 5 periods. Source: SEC companyfacts FY2025.AXS stockholders' equity, last 5 periods. Source: SEC companyfacts FY2025.AXS Stockholders' equityLatest point: FY2025 = $6.4BSource: SEC companyfacts FY2025.Fiscal yearStockholders' equity$0.0B$4.0B$8.0BFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: StockholdersEquity. Source concepts: us-gaap:StockholdersEquity.

AXS cash and cash equivalents, last 5 periods. Source: SEC companyfacts FY2025.AXS cash and cash equivalents, last 5 periods. Source: SEC companyfacts FY2025.AXS Cash and cash equivalentsLatest point: FY2025 = $820.3MSource: SEC companyfacts FY2025.Fiscal yearCash and cash equivalents$0.0B$2.0B$4.0BFY2021FY2022FY2023FY2024FY2025

Figure provenance: SEC companyfacts. Latest point: FY 2025 ended 2025-12-31; accession 0001214816-26-000097; filed 2026-02-27. Concept: CashAndCashEquivalentsAtCarryingValue. Source concepts: us-gaap:CashAndCashEquivalentsAtCarryingValue.

Quarterly

Quarterly standardized facts from SEC companyfacts as of latest extracted filing date 2026-04-29. Source: https://data.sec.gov/api/xbrl/companyfacts/CIK0001214816.json.

Flow metrics use discrete quarter-length periods from 10-Q/10-Q/A filings. Q4 revenue and net income are derived only when annual FY and nine-month YTD facts exist for the same fiscal year; derived Q4 values are labeled. EPS Q4 is not derived.

QuarterEnd DateRevenueNet IncomeDiluted EPSMethod
2022-Q22022-06-300.32reported discrete quarter
2022-Q32022-09-30-0.20reported discrete quarter
2023-Q12023-03-312.01reported discrete quarter
2023-Q22023-06-301,383,728,000150,674,0001.67reported discrete quarter
2023-Q32023-09-301,433,995,000188,098,0002.10reported discrete quarter
2023-Q42023-12-311,481,305,000-142,578,000derived Q4 = FY annual - nine-month YTD
2024-Q12024-03-311,424,557,000395,459,0004.53reported discrete quarter
2024-Q22024-06-301,450,500,000211,964,0002.40reported discrete quarter
2024-Q32024-09-301,610,821,000180,728,0002.04reported discrete quarter
2024-Q42024-12-311,471,771,000293,633,000derived Q4 = FY annual - nine-month YTD
2025-Q12025-03-311,522,106,000194,071,0002.26reported discrete quarter
2025-Q22025-06-301,632,858,000223,358,0002.72reported discrete quarter
2025-Q32025-09-301,674,284,000301,864,0003.74reported discrete quarter
2025-Q42025-12-311,734,434,000289,609,000derived Q4 = FY annual - nine-month YTD
2026-Q12026-03-311,643,631,000254,767,0003.29reported discrete quarter

Quarterly Charts

AXS quarterly revenue, last 12 periods. Source: SEC companyfacts 2026-Q1.AXS quarterly revenue, last 12 periods. Source: SEC companyfacts 2026-Q1.AXS Quarterly RevenueLatest point: 2026-Q1 = $1.6BSource: SEC companyfacts 2026-Q1.Fiscal quarterQuarterly Revenue$0.0B$1.0B$2.0B2023-Q22023-Q32023-Q42024-Q12024-Q22024-Q32024-Q42025-Q12025-Q22025-Q32025-Q42026-Q1

Figure provenance: SEC companyfacts. Latest point: FY 2026 ended 2026-03-31; accession 0001214816-26-000162; filed 2026-04-29. Concept: Revenues. Source concepts: us-gaap:Revenues.

AXS quarterly net income, last 12 periods. Source: SEC companyfacts 2026-Q1.AXS quarterly net income, last 12 periods. Source: SEC companyfacts 2026-Q1.AXS Quarterly Net incomeLatest point: 2026-Q1 = $254.8MSource: SEC companyfacts 2026-Q1.Fiscal quarterQuarterly Net income-$250.0M$0.0B$500.0M2023-Q22023-Q32023-Q42024-Q12024-Q22024-Q32024-Q42025-Q12025-Q22025-Q32025-Q42026-Q1

Figure provenance: SEC companyfacts. Latest point: FY 2026 ended 2026-03-31; accession 0001214816-26-000162; filed 2026-04-29. Concept: NetIncomeLoss. Source concepts: us-gaap:NetIncomeLoss.

AXS quarterly diluted eps, last 12 periods. Source: SEC companyfacts 2026-Q1.AXS quarterly diluted eps, last 12 periods. Source: SEC companyfacts 2026-Q1.AXS Quarterly Diluted EPSLatest point: 2026-Q1 = $3.29/shareSource: SEC companyfacts 2026-Q1.Fiscal quarterQuarterly Diluted EPS (USD/share)-$0.50/share$0.00/share$6.00/share2022-Q22022-Q32023-Q12023-Q22023-Q32024-Q12024-Q22024-Q32025-Q12025-Q22025-Q32026-Q1

Figure provenance: SEC companyfacts. Latest point: FY 2026 ended 2026-03-31; accession 0001214816-26-000162; filed 2026-04-29. Concept: EarningsPerShareDiluted. Source concepts: us-gaap:EarningsPerShareDiluted.

Macro Cross-References

Latest quarter (10-Q)

Latest 10-Q source: 0001214816-26-000203.

Extracted structurally from real Item 2 body heading to real Item 3/4 boundary. Confidence: high. Filing date: 2026-07-28. Report date: 2026-06-30.

ITEM 2.     MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following is a discussion and analysis of our results of operations for the three and six months ended June 30, 2026 and 2025 and our financial condition at June 30, 2026 and December 31, 2025. This should be read in conjunction with Item 1 'Consolidated Financial Statements' of this report and our Management’s Discussion and Analysis of Financial Condition and Results of Operations included in our Annual Report on Form 10-K for the year ended December 31, 2025. Unless otherwise noted, tabular dollars are in thousands, except per share amounts. Amounts in tables may not reconcile due to rounding differences.

Page
Second Quarter 2026 Financial Highlights48
Overview49
Consolidated Results of Operations51
Results by Segment:
i) Insurance Segment53
ii) Reinsurance Segment58
Net Investment Income and Net Investment Gains (Losses)62
Other Expenses (Revenues), Net65
Financial Measures66
Non-GAAP Financial Measures Reconciliation68
Cash and Investments72
Liquidity and Capital Resources75
Critical Accounting Estimates77
Recent Accounting Pronouncements77

47

Table of Contents

SECOND QUARTER 2026 FINANCIAL HIGHLIGHTS

Second Quarter 2026 Consolidated Results of Operations

•Net income available to common shareholders of $251 million, or $3.38 per diluted common share

•Operating income(1) of $211 million, or $2.84 per diluted common share(1)

•Gross premiums written of $2.7 billion

•Net premiums written of $1.6 billion

•Net premiums earned of $1.5 billion

•Pre-tax, catastrophe and weather-related losses, net of reinsurance, of $80 million ($63 million, after-tax), (Insurance: $78 million; Reinsurance: $3 million), or 5.3 points, including natural catastrophe losses of $49 million, or 3.2 points. The remaining losses of $31 million, or 2.1 points, were attributable to the Middle East Conflict

•Net favorable prior year reserve development of $15 million (Insurance: $12 million; Reinsurance: $3 million)

•Underwriting income(2) of $143 million and combined ratio of 93.1%

•Fees related to arrangements with strategic capital partners of $22 million, including $17 million recognized as a reimbursement of general and administrative expenses

•Net investment income of $182 million

•Net investment gains of $47 million

•Reorganization expenses of $6 million primarily related to the continued implementation of initiatives undertaken to streamline our operations, initiated in the first quarter of 2026.

•Income tax expense of $61 million, resulting in an effective tax rate of 19.2%

Second Quarter 2026 Consolidated Financial Condition

•Total cash and invested assets of $17.8 billion; fixed maturities, short-term investments, and cash and cash equivalents comprise 87% of total cash and investments and have an average credit rating of AA-

•Total assets of $36.6 billion

•Reserve for losses and loss expenses of $18.6 billion and reinsurance recoverable on unpaid and paid losses and loss expenses of $9.6 billion

•Debt of $1.3 billion and debt to total capital ratio(3) of 16.8%

•Total common shares repurchased were 978,000 shares for a total of $97 million, including $89 million repurchased pursuant to our Board-authorized share repurchase programs, and $8 million from employees to facilitate the satisfaction of their personal withholding tax liabilities that arise on vesting of share-settled restricted stock units

•Common shareholders’ equity of $6.0 billion; book value per diluted common share of $80.67

(1)Operating income (loss) and operating income (loss) per diluted common share are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. The reconciliations to the most comparable GAAP financial measures, net income (loss) available (attributable) to common shareholders and earnings (loss) per diluted common share, respectively, and a discussion of the rationale for the presentation of these items are provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, net income (loss), is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations', and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)The debt to total capital ratio is calculated by dividing debt by total capital. Total capital represents the sum of total shareholders’ equity and debt.

48

Table of Contents

OVERVIEW

Business Overview

AXIS Capital, through its operating subsidiaries, is a global specialty underwriter and provider of insurance and reinsurance solutions with locations in Bermuda, the United States, Europe, Singapore and Canada. Our underwriting operations are organized around our global underwriting platforms, AXIS Insurance and AXIS Re.

We provide our clients and distribution partners with a broad range of risk transfer products and services, and strong capacity, backed by excellent financial strength. We manage our portfolio holistically, aiming to construct the optimum portfolio of risks, consistent with our risk appetite and the development of our franchise. We nurture an ethical, entrepreneurial, disciplined and inclusive culture that promotes outstanding client service, intelligent risk taking, operating efficiency, sustainability and the achievement of superior risk-adjusted returns for our shareholders. We believe that the achievement of our objectives will position us as a global specialty underwriting leader. The execution of our business strategy for the first six months of 2026 included the following:

•growing in a number of targeted specialty lines insurance and reinsurance markets including U.S. excess and surplus lines and Lloyd's specialty insurance business with a focus on short-tail lines;

•cycle-managing our portfolio towards attractive lines of business, that carry premium adequate returns while deploying capital within risk limits, diversification criteria and risk management strategy;

•investing in attractive growth markets and advancing capabilities to address more transactional specialist business targeting the lower middle market with our key distribution partners;

•leveraging our global platform to introduce our products and services to new regions including the continued expansion of our North America product capabilities;

•continuing the implementation of a more focused distribution strategy while building mutually beneficial relationships with clients and partners;

•improving the effectiveness and efficiency of our operating platforms and processes through our "How We Work" program;

•investing in data and technology, together with AI capabilities and tools, to enhance productivity, empower our teammates and enhance the service that we provide to our customers;

•utilizing reinsurance markets and third-party capital relationships; and

•fostering a positive workplace environment that enables us to attract, retain and develop top talent.

49

Table of Contents

Outlook

AXIS is executing with clarity and conviction in our strategy to be a leading global specialty underwriter, delivering durable, profitable growth across market cycles. Our differentiated market positioning – anchored by a diversified specialty portfolio, deep underwriting expertise, a global operating platform, strong claims and risk management capabilities, and global multivariate distribution model – provides a powerful foundation for continued value creation. This is reinforced by a conservative, high‑quality investment portfolio that enhances earnings resilience and capital flexibility.

The global trade and geopolitical landscape remain fluid, introducing uncertainty across economic conditions, loss costs, and capital deployment. AXIS is built to operate effectively in dynamic risk environments. We proactively assess evolving risks and translate uncertainty into specialized insurance solutions through disciplined pricing, portfolio management, and rigorous risk selection. Our underwriting framework is designed to protect outsized downside outcomes while positioning the business to capitalize on market dislocations as they emerge.

The following are some key trends shaping our markets that underscore the strength of our approach:

•Pricing dynamics are evolving following multiple years of rate increases that exceeded loss cost trends. Market conditions are softening with variances across the various "micro markets" where AXIS competes: casualty lines continue to achieve positive rate momentum, financial lines pricing remains stable, and property markets continue to experience pressure from increased capital inflows that are fueling global market competition. We are deliberately managing capital deployment where premium adequacy remains compelling. This approach includes ensuring volatility is appropriately priced while seeking additional market dislocations and opportunities at target returns.

•Distribution dynamics remain constructive for disciplined specialty underwriters. In North America, submission growth through the wholesale channel remains steady as market conditions vary by line of business, reinforcing the importance of underwriting selectivity. In the London Market, increasingly granular "micro‑markets" by line of business and channel continue to reward technical underwriting expertise and strong broker relationships. These conditions play directly to AXIS, strengths and support sustainable, profitable growth.

•Reinsurance pricing is moderating, with outcomes varying by line of business and structure. We expect this environment to persist and continue to manage our reinsurance portfolio with a singular focus on margin, volatility management, and long‑term profitability.

Across AXIS, we are actively deploying capital in areas where pricing supports our return thresholds and scaling back where it does not. Growth is a consequence of disciplined underwriting – not an objective in isolation. With a strengthened portfolio, improved mix, and expanding presence in our chosen specialty markets, AXIS is well positioned to generate attractive, risk‑adjusted returns and drive profitable growth through 2026.

50

Table of Contents

CONSOLIDATED RESULTS OF OPERATIONS

[[GREPCENT_TABLE]]
[["","","Three months ended June 30,","","Six months ended June 30,"],["","","2026","","% Change","","2025","","2026","","% Change","","2025"],["","Underwriting revenues:"],["","Gross premiums written","$","2,667,631","","","6%","","$","2,515,971","","","$","5,765,597","","","9%","","$","5,310,622"],["","Net premiums written","1,605,798","","","(2%)","","1,635,434","","","3,512,833","","","4%","","3,385,473"],["","Net premiums earned","1,518,984","","","9%","","1,393,431","","","2,999,451","","","10%","","2,734,251"],["","Other insurance related income","5,601","","","(35%)","","8,662","","","11,249","","","(8%)","","12,240"],["","Underwriting expenses:"],["","Net losses and loss expenses","(933,130)","","","16%","","(801,754)","","","(1,800,412)","","","13%","","(1,587,679)"],["","Acquisition costs","(316,268)","","","15%","","(275,897)","","","(620,524)","","","15%","","(540,477)"],["","Underwriting-related general and administrative expenses(1)","(132,260)","","","(2%)","","(135,241)","","","(259,475)","","","(2%)","","(265,679)"],["","Underwriting income (2)","142,927","","","","","189,201","","","330,289","","","","","352,656"],["","Net invest

[Excerpt truncated for page length; source filing is linked above.]

Latest 10-K MD&A

Extracted structurally from real Item 7 body heading to real Item 7A/8 boundary. Confidence: high. Filing date: 2026-02-27. Report date: 2025-12-31.

ITEM 7.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following is a discussion and analysis of our results of operations for the years ended December 31, 2025 and 2024, and our financial condition at December 31, 2025 and 2024. This should be read in conjunction with Item 8 'Financial Statements and Supplementary Data' of this report. Unless otherwise noted, tabular dollars are in thousands, except per share amounts. Amounts may not reconcile due to rounding differences.

Page
2025 Financial Highlights59
Overview60
Consolidated Results of Operations63
Results by Segment:
i) Insurance Segment65
ii) Reinsurance Segment69
Net Investment Income and Net Investment Gains (Losses)73
Other Expenses (Revenues), Net76
Financial Measures78
Non-GAAP Financial Measures Reconciliation79
Cash and Investments83
Liquidity and Capital Resources90
Critical Accounting Estimates97
i) Reserve for Losses and Loss Expenses97
ii) Reinsurance Recoverable on Unpaid Losses and Loss Expenses102
iii) Gross Premiums Written103
iv) Net Premiums Earned104
v) Fair Value Measurements of Financial Assets and Liabilities105
vi) Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale106
Recent Accounting Pronouncements107

58

2025 FINANCIAL HIGHLIGHTS

2025 Consolidated Results of Operations

•Net income available to common shareholders of $979 million, or $12.52 per common share, and $12.35 per diluted common share

•Operating income(1) of $1.0 billion, or $12.92 per diluted common share(1)

•Gross premiums written of $9.6 billion

•Net premiums written of $6.1 billion

•Net premiums earned of $5.7 billion

•Pre-tax catastrophe and weather-related losses, net of reinsurance, were $159 million ($127 million, after-tax), (Insurance: $156 million; Reinsurance: $3 million) or 2.8 points, including natural catastrophe and weather-related losses of $137 million or 2.4 points, primarily attributable to California Wildfires, Hurricane Melissa and other weather-related events. The remaining losses of $22 million or 0.4 points were attributable to the Middle East Conflict.

•Net favorable prior year reserve development of $87 million

•Underwriting income(2) of $725 million and combined ratio of 89.8%

•Net investment income of $767 million

•Net investment gains of $59 million

•Foreign exchange losses of $142 million

•Income tax expense of $217 million, inclusive of a Bermuda deferred tax benefit of $19 million. Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Overview – Recent Developments – Bermuda Corporate Income Tax Act 2023 for further details.

2025 Consolidated Financial Condition

•Total cash and investments of $17.2 billion; fixed maturities, short-term investments, and cash and cash equivalents comprise 86% of total cash and investments and have an average credit rating of AA-

•Total assets of $34.5 billion

•Reserve for losses and loss expenses of $18.1 billion and reinsurance recoverable on unpaid and paid losses and loss expenses of $9.6 billion.

•Debt of $1.3 billion and a debt to total capital ratio(3) of 17.2%

•Total common shares repurchased were 10 million shares for a total of $914 million, including $888 million repurchased pursuant to our Board-authorized share repurchase programs, and $27 million from employees to facilitate the satisfaction of their personal withholding tax liabilities that arise on vesting of share-settled restricted stock units

•Common shareholders’ equity of $5.8 billion; book value per diluted common share of $77.20

(1) Operating income (loss) and operating income (loss) per diluted common share are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. The reconciliations to the most comparable GAAP financial measures, net income (loss) available (attributable) to common shareholders and earnings (loss) per diluted common share, respectively, and a discussion of the rationale for the presentation of these items are provided in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, net income (loss), is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations', and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)The debt to total capital ratio is calculated by dividing debt by total capital. Total capital represents the sum of total shareholders’ equity and debt.

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OVERVIEW

Business Overview

AXIS Capital, through its operating subsidiaries, is a global specialty underwriter and provider of insurance and reinsurance solutions with operations in Bermuda, the U.S., Europe, Singapore and Canada. Our underwriting operations are organized around our global underwriting platforms, AXIS Insurance and AXIS Re.

We provide our clients and distribution partners with a broad range of risk transfer products and services, and strong capacity, backed by excellent financial strength. We manage our portfolio holistically, aiming to construct the optimum portfolio of risks, consistent with our risk appetite and the development of our franchise. We nurture an ethical, entrepreneurial, disciplined and diverse culture that promotes outstanding client service, intelligent risk taking, operating efficiency, sustainability and the achievement of superior risk-adjusted returns for our shareholders. We believe that the achievement of our objectives will position us as a global specialty underwriting leader. The execution of our business strategy in 2025 included the following:

•growing in a number of targeted specialty lines insurance and reinsurance markets including U.S. excess and surplus lines and Lloyd's specialty insurance business;

•cycle-managing our portfolio towards attractive lines of business, that carry premium adequate returns while deploying capital within risk limits, diversification criteria and risk management strategy;

•investing in attractive growth markets and advancing capabilities to address more transactional specialist business targeting the lower middle market with our key distribution partners;

•leveraging our global platform to introduce our products and services to new regions including the continued expansion of our North America product capabilities;

•continuing the implementation of a more focused distribution strategy while building mutually beneficial relationships with clients and partners;

•improving the effectiveness and efficiency of our operating platforms and processes through our "How We Work" program;

•investing in data and technology, together with AI capabilities and tools, to empower our underwriters and enhance the service that we provide to our customers;

•utilizing reinsurance markets and third-party capital relationships;

•fostering a positive workplace environment that enables us to attract, retain and develop top talent; and

•leveraging our sustainability program to support and to make a positive impact on our communities.

For discussion of our results of operations and changes in financial condition for year ended December 31, 2024, compared to year ended December 31, 2023, refer to Part II, Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in our 2024 Form 10-K, which was filed with the SEC on February 26, 2025, and such discussions are incorporated herein by reference.

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Outlook

We are executing on our commitment to advance AXIS as a specialty underwriting leader that delivers consistent, profitable growth. Our market positioning, diversified book of business, specialty underwriting acumen, global platform, claims management capabilities, and deep distribution relationships, supported by a well performing investment portfolio, provide the foundation for profitable growth in our targeted specialty markets.

The current trade and geopolitical environment introduce uncertainty across several dimensions including potential impacts on economic growth and loss costs. At AXIS, we assess all forms of uncertainty presented, and through our normal underwriting practices we take steps and measures that guard against adverse outcomes. Looking at the trends impacting our business:

•Following multiple years of rate increases outpacing loss cost trends across the specialty sector, overall pricing has moderated and in some sectors is softening. Casualty lines continue to see positive rate achievement while property rates are deteriorating due to the influx of capital being deployed in the space. We will continue to lean into sectors where premium adequacy metrics remain strong, where market dislocations arise and where organic profitable growth opportunities exist.

•The wholesale channel continues to experience submission growth in North America due to dislocations in the standard lines markets. This dynamic broadly enables specialty carriers to deploy a disciplined underwriting strategy to market opportunities.

•Overall pricing remains robust but is moderating for our reinsurance business. We continue to see nuances by line of business and expect these conditions to persist. We continue to focus on underwriting discipline and profitability.

Across the business, we will continue to pursue attractive opportunities by employing a focused underwriting strategy and selective appetite.

Where price continues to deliver adequate profitability, we will look to grow within our risk and volatility guidelines. With a strong and balanced book of business, and an expanding footprint in our chosen specialty markets, we believe AXIS remains well positioned to drive profitable growth in 2026.

Recent Developments

Loss Portfolio Transfer Reinsurance Agreement with Enstar

On December 13, 2024, we entered into a loss portfolio transfer reinsurance agreement ("LPT agreement") with Cavello Bay Reinsurance Limited, a wholly-owned subsidiary of Enstar Group Limited ("Enstar") to retrocede a portfolio of reinsurance business predominantly related to 2021 and prior underwriting years. The transaction was subject to regulatory approvals and other customary conditions.

On April 24, 2025 (the "closing date"), the LPT transaction was completed and consideration of $2,039 million was paid to Enstar.

The transaction is structured as a 75% ground-up quota share retrocession of net reserves for losses and loss expenses of approximately $2,060 million and provides cover up to a policy limit of approximately $940 million. The transaction was deemed to have met the established criteria for retroactive reinsurance accounting. Under the terms of the LPT agreement we retained responsibility for the management of claims.

Pursuant to the LPT transaction, Enstar was required to post collateral equal to 102% of our estimate of Enstar's obligations based on our estimate of net reserves for losses and loss expenses at the closing date. The collateral is provided through a collateral trust arrangement (the "LPT Trust") established by Enstar. At December 31, 2025, the balance in the LPT Trust was $1,895 million, together with a funds withheld balance of $17 million, and a letter of credit of $65 million, with the total balance of collateral securing Enstar’s obligations of $1,977 million. At December 31, 2025, the total reinsurance recoverable on unpaid losses associated with the LPT transaction was $1,755 million.

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In subsequent periods, we will reassess the reserves for losses and loss expenses subject to the LPT agreement. Any adverse prior year reserve development associated with the subject business will increase the cumulative amounts ceded to the reinsurer compared to the consideration paid and will increase the gain determined in accordance with retroactive reinsurance accounting. Consistent with our accounting policy, gains are deferred and amortized into net income over the claims settlement period.

Although retroactive reinsurance accounting may result in volatility to our results in the short-term, the LPT agreement will provide significant protection from prior year reserve development on the subject business over the contract term, provided this remains within the limit of the agreement.

Bermuda Corporate Income Tax Act of 2023

On December 27, 2023, the Bermuda government enacted the Corporate Income Tax Act 2023 (the "Act") which applies a corporate income tax of 15% for fiscal years beginning on or after January 1, 2025. The Act includes a provision referred to as the economic transition adjustment ("Bermuda ETA"), which is intended to provide a fair and equitable transition into the tax regime. Pursuant to the Act and subsequently issued guidance, the Company recorded a Bermuda ETA net deferred tax asset of $177 million in 2024.

On December 11, 2025, the Bermuda government enacted the Corporate Income Tax Amendment (No. 2) Act 2025 (the "Amendment Act") which provided technical corrections to the Act. The Amendment Act includes a provision to allow for the derecognition of deferred tax liabilities where a Bermuda tax group recognized both deferred tax assets and deferred tax liabilities under the Bermuda ETA provision. Pursuant to the Amendment Act, we released $19 million of deferred tax liabilities previously established under the Bermuda ETA provision in 2025.

While we anticipated utilizing the Bermuda ETA net deferred tax asset over a ten-year period, guidance issued by the OECD in January 2025 makes it likely that the benefit of the Bermuda ETA net deferred tax asset will only apply in 2025 and 2026. The benefit of the Bermuda ETA net deferred tax asset is excluded from operating income (loss).

Organization for Economic Cooperation and Development ("OECD") Update

On January 15, 2025, the OECD issued guidelines that limit the use of the Bermuda ETA net deferred tax asset and similar assets in other jurisdictions in which we operate under Global Anti-Base Erosion ("GLoBE") rules. The guidelines clarify the use of deferred tax assets under transition rules and limits the benefit of deferred tax assets relating to transactions that occurred after November 30, 2021. The guidelines seek to restrict the benefit of the Bermuda ETA net deferred tax asset to 20% of the balance at January 1, 2025 to be utilized in 2025 and 2026. Thereafter GLoBE rules will apply a minimum tax rate of 15% to pre-tax income generated in Bermuda by disallowing the benefit of the Bermuda ETA net deferred tax asset.

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CONSOLIDATED RESULTS OF OPERATIONS

Year ended December 31,2025% Change2024% Change2023
Underwriting revenues:
Gross premiums written$9,644,5147%$9,005,8888%$8,356,525
Net premiums written6,121,6566%5,757,35113%5,102,325
Net premiums earned5,714,6098%5,306,2354%5,083,781
Other insurance related income23,216(24%)30,72137%22,495
Underwriting expenses:
Net losses and loss expenses(3,288,541)4%(3,158,487)(7%)(3,393,102)
Acquisition costs(1,136,469)6%(1,070,551)7%(1,000,945)
Underwriting-related general and administrative expenses(1)(587,669)10%(536,442)(3%)(551,467)
Underwriting income(2)725,146571,476160,762
Net investment income766,9031%759,22924%611,742
Net investment gains (losses)58,950nm(138,534)86%(74,630)
Corporate expenses(1)(116,262)(10%)(129,760)(2%)(132,979)
Foreign exchange (losses) gains(141,983)nm50,822nm(58,115)
Interest expense and financing costs(66,659)(2%)(67,766)(1%)(68,421)
Reorganization expenses(100%)(26,312)(9%)(28,997)
Amortization of intangible assets(9,917)(9%)(10,917)—%(10,917)
Income before income taxes and interest in income of equity method investments1,216,1781,008,238398,445
Income tax (expense) benefit(216,732)nm55,595nm(26,316)
Interest in income of equity method investments9,452(47%)17,953nm4,163
Net income1,008,8981,081,786376,292
Preferred share dividends(30,250)—%(30,250)—%(30,250)
Net income available to common shareholders$978,648$1,051,536$346,042

nm – not meaningful is defined as a variance greater than +/-100%

(1)Underwriting-related general and administrative expenses is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to general and administrative expenses, the most comparable GAAP financial measure, also included corporate expenses of $116 million, $130 million, and $133 million for 2025, 2024, and 2023, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net' for further details on corporate expenses. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to net income (loss), the most comparable GAAP financial measure, is presented in the table above. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

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Underwriting Revenues

Underwriting revenues by segment were as follows:

Year ended December 31,2025% Change2024% Change2023
Gross premiums written:
Insurance$7,179,2069%$6,615,5848%$6,140,764
Reinsurance2,465,3083%2,390,3048%2,215,761
Total gross premiums written$9,644,5147%$9,005,8888%$8,356,525
Percent of gross premiums written ceded:
Insurance36%— pts36%(3 pts)39%
Reinsurance39%2 pts37%(2 pts)39%
Total percent of gross premiums written ceded37%1 pt36%(3 pts)39%
Net premiums written:
Insurance$4,627,2249%$4,250,54513%$3,758,720
Reinsurance1,494,432(1%)1,506,80612%1,343,605
Total net premiums written$6,121,6566%$5,757,35113%$5,102,325
Net premiums earned:
Insurance$4,291,4859%$3,926,03613%$3,461,700
Reinsurance1,423,1243%1,380,199(15%)1,622,081
Total net premiums earned$5,714,6098%$5,306,2354%$5,083,781

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further details on underwriting revenues.

Combined Ratio

The components of the combined ratio were as follows:

Year ended December 31,2025% Point Change2024% Point Change2023
Current accident year loss ratio, excluding catastrophe and weather-related losses (1)56.3%0.655.7%(0.2)55.9%
Catastrophe and weather-related losses ratio(1)2.8%(1.5)4.3%1.62.7%
Current accident year loss ratio(1)59.1%(0.9)60.0%1.458.6%
Prior year reserve development ratio(1.6%)(1.1)(0.5%)(8.6)8.1%
Net losses and loss expenses ratio57.5%(2.0)59.5%(7.2)66.7%
Acquisition cost ratio19.9%(0.3)20.2%0.519.7%
General and administrative expense ratio(2)12.4%(0.2)12.6%(0.9)13.5%
Combined ratio89.8%(2.5)92.3%(7.6)99.9%

(1)Current accident year loss ratio, catastrophe and weather-related losses ratio and current accident year loss ratio, excluding catastrophe and weather-related losses are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. The reconciliations to the most comparable GAAP financial measure, net losses and loss expenses ratio is provided above and a discussion of the rationale for the presentation of these items are provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(2)The general and administration expense ratio included corporate expenses not allocated to underwriting segments of 2.0%, 2.4% and 2.6% for 2025, 2024 and 2023, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net' for further details.

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further details on underwriting expenses.

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RESULTS BY SEGMENT

Insurance Segment

Results for the insurance segment were as follows:

Year ended December 31,2025% Change2024% Change2023
Revenues:
Gross premiums written$7,179,2069%$6,615,5848%$6,140,764
Net premiums written4,627,2249%4,250,54513%3,758,720
Net premiums earned4,291,4859%3,926,03613%3,461,700
Other insurance related income (loss)677nm94nm(198)
Expenses:
Current accident year net losses and loss expenses(2,404,202)(2,261,629)(1,903,648)
Prior year reserve development66,97516,209(176,353)
Acquisition costs(820,324)(766,915)(648,463)
Underwriting-related general and administrative expenses(537,558)(485,929)(472,094)
Underwriting income$597,053$427,866$260,944
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses52.4%0.352.1%0.351.8%
Catastrophe and weather-related losses ratio3.6%(1.9)5.5%2.33.2%
Current accident year loss ratio56.0%(1.6)57.6%2.655.0%
Prior year reserve development ratio(1.5%)(1.1)(0.4%)(5.5)5.1%
Net losses and loss expenses ratio54.5%(2.7)57.2%(2.9)60.1%
Acquisition cost ratio19.1%(0.4)19.5%0.818.7%
Underwriting-related general and administrative expense ratio12.5%0.112.4%(1.3)13.7%
Combined ratio86.1%(3.0)89.1%(3.4)92.5%

nm – not meaningful

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Gross Premiums Written

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2025202420232024 to 20252023 to 2024
Property$2,166,22230%$2,050,32931%$1,736,58628%6%18%
Professional lines1,343,25219%1,162,32318%1,140,69519%16%2%
Liability1,366,24519%1,251,60319%1,256,95120%9%%
Cyber473,6047%561,9378%649,16011%(16%)(13%)
Marine and aviation880,60412%815,16812%771,16213%8%6%
Accident and health564,3748%450,8107%333,5595%25%35%
Credit and political risk384,9055%323,4145%252,6514%19%28%
Total$7,179,206100%$6,615,584100%$6,140,764100%9%8%

Gross premiums written in 2025 increased by $564 million, or 9% ($553 million, or 8%, on a constant currency basis(1)), compared to 2024, attributable to all lines of business with the exception of cyber lines.

The increases in professional lines, property, liability, accident and health, marine and aviation, and credit and political risk lines were driven by new business.

The increase in professional lines was also driven by a higher level of premiums associated with transactional liability business, increased rate associated with renewed environmental business, and higher renewals of program business, partially offset by reduced opportunities in Europe associated with competitive market conditions.

The increase in property lines was also due to higher renewals of program business and onshore renewable energy business, together with increased rate associated with program business, partially offset by reduced opportunities in the excess and surplus lines market associated with competitive market conditions.

The increase in liability lines was also driven by a higher level of premiums and increased rate associated with renewed U.S. excess casualty business, and higher renewals of program business, partially offset by a lower level of premiums in U.S. primary casualty business principally due to underwriting actions taken to reposition the portfolio.

The increase in accident and health lines was also attributable to a higher level of premiums and increased rate associated with renewed pet insurance business.

The decrease in cyber lines was related to the cancellation of two programs in 2024 and reduced opportunities associated with competitive market conditions, partially offset by premium adjustments related to business written on a line slip basis.

(1) Amounts presented on a constant currency basis are non-GAAP financial measures as defined in Item10 (e) of SEC Regulation S-K. The constant currency basis is calculated by applying the average foreign exchange rate from the current year to the prior year balance.

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Ceded Premiums Written

Ceded premiums written in 2025 were $2,552 million, or 36% of gross premiums written, compared to $2,365 million, or 36% in 2024. The increase in ceded premiums written of $187 million, or 8% was primarily driven by increases in accident and health, credit and political risk, professional lines, and marine and aviation lines, partially offset by decreases in property, liability, and cyber lines.

The increase in accident and health lines was attributable to a new quota share treaty covering pet insurance business effective July 2024 and the increase in gross premiums written for 2025, compared to 2024. The increases in credit and political risk, professional lines, and marine and aviation lines reflected the increases in gross premiums written for 2025, compared to 2024.

The decreases in property, and liability lines were due to the restructuring of existing quota share treaties that increased our retentions on these lines of business, partially offset by increases in gross premiums written for 2025, compared to 2024. The decrease in cyber lines reflected the decrease in gross premiums written for 2025, compared to 2024.

Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2025202420232024 to 20252023 to 2024
Property$1,347,01130%$1,139,30828%$878,84926%18%30%
Professional lines887,53321%$817,53521%764,55822%9%7%
Liability543,62713%494,56113%496,38114%10%%
Cyber310,8377%347,8429%323,0259%(11%)8%
Marine and aviation665,30616%614,82616%567,29216%8%8%
Accident and health338,5228%360,8949%306,0619%(6%)18%
Credit and political risk198,6495%151,0704%125,5344%31%20%
Total$4,291,485100%$3,926,036100%$3,461,700100%9%13%

Net premiums earned in 2025 increased by $365 million, or 9%, compared to 2024, primarily driven by an increase in gross premiums earned in property lines together with a decrease in ceded premiums earned attributable to the restructuring of an existing quota share treaty that increased our retention of property business. In addition, gross premiums earned increased in professional lines, credit and political risk, liability, and marine and aviation lines.

These increases were partially offset by a decrease in gross premiums earned in cyber lines and a decrease in net premiums earned in accident and health lines attributable to an increase in ceded premiums earned associated with the new quota share treaty covering pet insurance business, effective July 2024.

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Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2025% Point Change2024% Point Change2023
Current accident year loss ratio56.0%(1.6)57.6%2.655.0%
Prior year reserve development ratio(1.5%)(1.1)(0.4%)(5.5)5.1%
Loss ratio54.5%(2.7)57.2%(2.9)60.1%

Current Accident Year Loss Ratio

The current accident year loss ratio decreased to 56.0% in 2025 from 57.6% in 2024. The decrease in the current accident year loss ratio was impacted by a lower level of catastrophe and weather-related losses.

During 2025, catastrophe and weather-related losses, net of reinsurance, were $156 million, or 3.6 points, including natural catastrophe and weather-related losses of $134 million or 3.1 points attributable to California Wildfires, Hurricane Melissa and other weather-related events. The remaining losses of $22 million, or 0.5 points were attributable to the Middle East Conflict.

Comparatively, in 2024, catastrophe and weather-related losses, net of reinsurance, were $216 million, or 5.5 points, including natural catastrophe and weather-related losses of $203 million, or 5.2 points, primarily attributable to Hurricanes Milton, Helene, and Beryl, and other weather-related events. The remaining losses of $13 million, or 0.3 points were attributable to the Red Sea Conflict.

Adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio of 52.4% in 2025 was comparable to 52.1% in 2024, principally due to the benefits of changes in business mix, largely offsetting the impact of rate and trend.

Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details of prior year reserve development by segment, reserve class and accident year.

Acquisition Cost Ratio

The acquisition cost ratio decreased to 19.1% in 2025 from 19.5% in 2024, primarily related to an increase in ceding commissions in accident and health lines, partially offset by an increase in gross acquisition cost attributable to changes in business mix driven by the increases in credit and political risk, accident and health, and excess and surplus lines property business written in recent periods which is associated with relatively higher gross acquisition cost ratios.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio of 12.5% in 2025 was comparable to 12.4% in 2024, mainly driven by increases in personnel costs associated with the expansion of underwriting teams and performance-related compensation costs, together with investments in information technology, largely offset by an increase in net premiums earned.

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Reinsurance Segment

Results for the reinsurance segment were as follows:

Year ended December 31,2025% Change2024% Change2023
Revenues:
Gross premiums written$2,465,3083%$2,390,3048%$2,215,761
Net premiums written1,494,432(1%)1,506,80612%1,343,605
Net premiums earned1,423,1243%1,380,199(15%)1,622,081
Other insurance related income22,539(26%)30,62735%22,693
Expenses:
Current accident year net losses and loss expenses(971,302)(921,181)(1,077,572)
Prior year reserve development19,9888,114(235,529)
Acquisition costs(316,145)(303,636)(352,482)
Underwriting-related general and administrative expenses(50,111)(50,513)(79,373)
Underwriting income (loss)$128,093$143,610$(100,182)
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses68.1%2.166.0%1.264.8%
Catastrophe and weather-related losses ratio0.2%(0.5)0.7%(0.9)1.6%
Current accident year loss ratio68.3%1.666.7%0.366.4%
Prior year reserve development ratio(1.5%)(1.0)(0.5%)(15.1)14.6%
Net losses and loss expenses ratio66.8%0.666.2%(14.8)81.0%
Acquisition cost ratio22.2%0.222.0%0.321.7%
Underwriting-related general and administrative expense ratio3.6%3.6%(1.3)4.9%
Combined ratio92.6%0.891.8%(15.8)107.6%

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Gross Premiums Written:

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2025202420232024 to 20252023 to 2024
Liability$667,62627%$616,33326%$642,80129%8%(4%)
Professional lines415,26617%421,84618%379,22217%(2%)11%
Motor268,08011%238,96110%201,4669%12%19%
Accident and health366,15915%436,29618%396,66818%(16%)10%
Credit and surety510,09421%417,71717%351,08316%22%19%
Agriculture161,1517%150,3736%126,3006%7%19%
Marine and aviation64,8702%82,2743%62,2603%(21%)32%
Run-off lines
Catastrophe677%10,8231%30,1751%(94%)(64%)
Property3,715%3,130%21,5131%19%(85%)
Engineering7,670%12,5511%4,273%(39%)nm
Total run-off lines12,062%26,5042%55,9612%(54%)(53%)
Total$2,465,308100%$2,390,304100%$2,215,761100%3%8%

nm – not meaningful

Gross premiums written in 2025 increased by $75 million, or 3%, ($94 million, or 4%, on a constant currency basis) compared to 2024. The increase was primarily attributable to new business and premium adjustments.

The increase in credit and surety lines was driven by new credit and political risk business, new surety business, and a higher level of positive premium adjustments attributable to credit business, partially offset by a lower level of positive premium adjustments related to mortgage business.

The increase in liability lines was due to a higher level of positive premium adjustments, new general liability business including business at Lloyd's, new workers compensation business, the restructuring of a contract at Lloyds and the timing of renewals, partially offset by non-renewals and decreased line sizes.

The decrease in accident and health lines was driven by decreased line sizes and non-renewals attributable to increased competition and clients retaining more business, a lower level of premiums associated with a short-term medical program, and negative premium adjustments in 2025, compared to positive premium adjustments in 2024 associated with a short-term medical program.

Ceded Premiums Written

Ceded premiums written in 2025 were $971 million, or 39%, of gross premiums written, compared to $883 million, or 37%, in 2024. The increase in ceded premiums written of $87 million, or 10%, was primarily driven by increases in liability, credit and surety, motor, and agriculture lines, partially offset by a decrease in accident and health lines.

The increases in liability, credit and surety, and motor lines reflected the increase in gross premiums written in 2025, compared to 2024. The increases in liability, credit and surety, and motor lines also reflected the restructuring of quota share retrocession treaties with strategic capital partners that decreased our retentions of these lines of business. The increases in liability lines was also due to the restructuring of a quota share retrocession treaty that decreased our retention of this line of business.

The decrease in accident and health lines reflected the decrease in gross premiums written in 2025, compared to 2024.

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Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2025202420232024 to 20252023 to 2024
Liability$314,00322%$309,26522%$403,23925%2%(23%)
Professional lines198,45714%169,07412%205,40413%17%(18%)
Motor126,2339%123,5459%155,94210%2%(21%)
Accident and health303,69021%322,93223%341,80621%(6%)(6%)
Credit and surety273,70219%231,78017%236,40815%18%(2%)
Agriculture137,36710%126,5499%121,6287%9%4%
Marine and aviation57,6674%64,6095%65,6584%(11%)(2%)
Run-off lines
Catastrophe406%13,4122%33,9631%(97%)(61%)
Property3,845%6,266%44,5083%(39%)(86%)
Engineering7,7541%12,7671%13,5251%(39%)(6%)
Total run-off lines12,0051%32,4453%91,9965%(63%)(65%)
Total$1,423,124100%$1,380,199100%$1,622,081100%3%(15%)

Net premiums earned in 2025 increased by $43 million, or 3%, compared to 2024 primarily driven by an increase in gross premiums earned in credit and surety lines, partially offset by an increase in ceded premiums earned in credit and surety lines attributable to the restructuring of existing quota share treaties that decreased our retentions of this business. In addition, gross premiums earned increased in professional lines.

These increases were partially offset by decreases in gross premiums earned in run-off lines and accident and health lines.

Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2025% Point Change2024% Point Change2023
Current accident year loss ratio68.3%1.666.7%0.366.4%
Prior year reserve development ratio(1.5%)(1.0)(0.5%)(15.1)14.6%
Loss ratio66.8%0.666.2%(14.8)81.0%

Current Accident Year Loss Ratio

The current accident year loss ratio increased to 68.3% in 2025 from 66.7% in 2024.

During 2025, catastrophe and weather-related losses, net of reinsurance, were $3 million, or 0.2 points, primarily attributable to California Wildfires.

Comparatively, in 2024, catastrophe and weather-related losses, net of reinsurance, were $10 million, or 0.7 points, primarily attributable to Hurricanes Milton and Helene and other weather-related events.

Adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio increased to 68.1% in 2025 from 66.0% in 2024, principally due to the impact of rate and trend, partially offset by changes in business mix.

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Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details of prior year reserve development by segment, reserve class and accident year.

Acquisition Cost Ratio

The acquisition cost ratio of 22.2% in 2025 was comparable to 22.0% in 2024, primarily related to an increase in gross acquisition costs attributable to credit and surety, and professional lines, partially offset by lower adjustments attributable to loss-sensitive features in credit and surety lines including mortgage business, and liability lines and the benefit of retrocessional contracts driven by credit and surety, and liability lines.

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NET INVESTMENT INCOME AND NET INVESTMENT GAINS (LOSSES)

Net Investment Income

Net investment income from our cash and investment portfolio by major asset class was as follows:

Year ended December 31,2025% Change2024% Change2023
Fixed maturities$612,198(1%)$620,70421%$514,842
Other investments69,27542%48,666nm20,411
Equity securities13,5935%12,9227%12,088
Mortgage loans23,587(31%)34,028(4%)35,312
Cash and cash equivalents75,09226%59,60019%50,261
Short-term investments3,136(75%)12,56941%8,924
Gross investment income796,8811%788,48923%641,838
Investment expense(29,978)2%(29,260)(3%)(30,096)
Net investment income$766,9031%$759,22924%$611,742
Pre-tax yield:(1)
Fixed maturities4.8%4.5%3.9%

nm – not meaningful

(1)Pre-tax yield is calculated by dividing net investment income by the average month-end amortized cost balances for the periods indicated.

Fixed Maturities

2025 versus 2024: Net investment income in 2025 decreased by $9 million or 1%, compared to 2024 due to the decrease in average fixed maturities principally driven by the sale and redemption of securities used to fund the consideration paid for the LPT transaction with Enstar.

Other Investments

Other investments include multi-strategy funds, direct lending funds, private equity funds, real estate funds, other privately held investments and a final distribution from CLO-Equities. These investments are recorded at fair value, with changes in fair value and income distributions reported in net investment income. The pre-tax return on other investments may vary materially year over year, particularly during volatile equity and credit markets.

Net investment income from other investments was as follows:

Year ended December 31,202520242023
Multi-strategy, direct lending, private equity and real estate funds$49,077$41,277$20,867
Other privately held investments19,6146,502(2,875)
CLO-Equities5848872,419
Total net investment income from other investments$69,275$48,666$20,411

2025 versus 2024: Net investment income in 2025 increased by $21 million or 42%, compared to 2024 due to higher returns from direct lending funds and other privately held investments.

Mortgage Loans

2025 versus 2024: Net investment income in 2025 decreased $10 million or 31%, compared to 2024 due to loan repayments during the year.

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Net Investment Gains (Losses)

Fixed maturities classified as available for sale are reported at fair value. Realized gains (losses) on fixed maturities are reported in net investment gains (losses) when these securities are sold or impaired.

Equity securities are reported at fair value. Realized gains (losses) on equity securities are also reported in net investment gains (losses) when securities are sold or impaired. In addition, changes in the fair values of equity securities are reported in net investment gains (losses).

Changes in the fair value of investment derivatives, mainly foreign exchange forward contracts are recorded in net investment gains (losses).

Net investment gains (losses) were as follows:

Year ended December 31,202520242023
On sale of investments:
Fixed maturities, short-term investments, and cash and cash equivalents$(24,571)$(153,249)$(125,160)
Equity securities28,51217,04116,208
Mortgage loans(4,950)(7,215)
(1,009)(143,423)(108,952)
(Increase) decrease in allowance for expected credit losses, fixed maturities, available for sale2,1036,821974
(Increase) decrease in allowance for expected credit losses, mortgage loans(6,364)(17,159)(6,220)
Impairment losses (1)(2,268)(408)(12,757)
Change in fair value of investment derivatives(1,275)1,783(1,456)
Net unrealized gains (losses) on equity securities67,76313,85253,781
Net investment gains (losses)$58,950$(138,534)$(74,630)

(1) Related to instances where we intend to sell securities, or it is more likely than not that we will be required to sell securities before their anticipated recovery.

On Sale of Investments and Net Unrealized Gains (Losses) on Equity Securities

Generally, sales of individual securities occur when there are changes in the relative value, credit quality, or duration of a particular issue. We may also sell securities to re-balance our investment portfolio in order to change exposure to particular asset classes or sectors.

2025 versus 2024: Net investment gains in 2025 were $59 million compared to net investment losses of $139 million in 2024. Net investment gains reported in 2025 mainly reflected net realized and unrealized gains on equities, partially offset by net realized losses on the sale of corporate debt and Agency RMBS.

Net investment losses reported in 2024 mainly reflected net realized losses on the sale of corporate debt, Agency RMBS and U.S. government, partially offset by net realized and unrealized gains on equity securities.

(Increase) Decrease in Allowance for Expected Credit Losses, Fixed Maturities, Available for Sale

Refer to Item 8, Note 5(i) to the Consolidated Financial Statements 'Investments'.

(Increase) Decrease in Allowance for Expected Credit Losses, Mortgage Loans

2025 versus 2024: The allowance for expected credit losses increased by $6 million in 2025 compared to $17 million in 2024, primarily related to commercial mortgage loans exposed to the office sector. Refer to Item 8, Note 5(d) to the Consolidated Financial Statements 'Investments'.

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Impairment Losses

Refer to 'Critical Accounting Estimates – Impairment losses' for further details).

Change in Fair Value of Investment Derivatives

We economically hedge residual foreign exchange exposure with derivative contracts.

Our derivative instruments are not designated as hedges. Therefore, net unrealized gains (losses) on the hedged securities were recorded in accumulated other comprehensive income (loss) in total shareholders’ equity.

Total Return

Our investment strategy is to take a long-term view by actively managing our investment portfolio to maximize total return within certain guidelines and constraints. In assessing returns under this approach, we include net investment income, net investment gains (losses), the change in unrealized gains (losses) on fixed maturities, and interest in income (loss) of equity method investments generated by our investment portfolio.

Total return on cash and investments was as follows:

Year ended December 31,202520242023
Net investment income$766,903$759,229$611,742
Net investment gains (losses)58,950(138,534)(74,630)
Change in net unrealized gains (losses) on fixed maturities(1)344,991125,742448,477
Interest in income of equity method investments9,45217,9534,163
Total$1,180,296$764,390$989,752
Average cash and investments(2)$17,052,541$17,409,516$16,155,418
Pre-tax, total return on average cash and investments:
Including investment related foreign exchange movements6.9%4.4%6.1%
Excluding investment related foreign exchange movements(3)6.2%4.8%5.8%

(1)Change in net unrealized gains (losses) on fixed maturities is calculated by taking net unrealized gains (losses) at year end less net unrealized gains (losses) at the prior year end.

(2)The average cash and investments balance is the average of the monthly fair value balances.

(3)Pre-tax total return on cash and investments excluding foreign exchange movements is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to pre-tax total return on cash and investments, the most comparable GAAP financial measure, included foreign exchange (losses) gains of $130 million, $(63) million and $51 million for the years ended December 31, 2025, 2024 and 2023, respectively.

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OTHER EXPENSES (REVENUES), NET

The following table provides a summary of other expenses (revenues), net:

Year ended December 31,2025% Change2024% Change2023
Corporate expenses$116,262(10%)$129,760(2%)$132,979
Foreign exchange losses (gains)141,983nm(50,822)nm58,115
Interest expense and financing costs66,659(2%)67,766(1%)68,421
Income tax expense (benefit)216,732nm(55,595)nm26,316
Total$541,636$91,109$285,831

nm – not meaningful

Corporate Expenses

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As a percentage of net premiums earned, corporate expenses decreased to 2.0% in 2025 from 2.4% in 2024 due to a decrease in corporate expenses and an increase in net premiums earned. The decrease in corporate expenses in 2025 was mainly driven by a decrease in professional fees.

Foreign Exchange Losses (Gains)

Foreign exchange losses in 2025 were primarily related to the impact of the weakening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in euro and pound sterling.

Foreign exchange gains in 2024 were primarily related to the impact of the strengthening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in euro and Canadian dollar, partially offset by the weakening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling.

Interest Expense and Financing Costs

Interest expense and financing costs are related to interest due on the senior unsecured notes, junior subordinated notes and the Federal Home Loan advances ("FHLB advances") received in 2025 and 2024.

Interest expense and financing costs of $67 million in 2025 was comparable to $68 million in 2024.

Income Tax Expense (Benefit)

Income tax expense (benefit) primarily results from income (loss) generated by our global operations. Our effective tax rate, which is calculated as income tax expense (benefit) divided by income (loss) before tax including interest in income (loss) of equity method investments, was 17.7%, (5.4%), and 6.5% in 2025, 2024, and 2023, respectively. This effective rate can vary between years depending on the distribution of net income (loss) across jurisdictions, as well as other factors.

The tax expense of $217 million in 2025 was principally due to pre-tax income in our Bermuda, U.K., U.S. and European operations, partially offset by a Bermuda deferred tax benefit of $19 million associated with the write off Bermuda deferred tax liabilities, following amendments to Bermuda's Corporate Income Tax Act 2023, effective December 2025.

The tax benefit of $56 million in 2024 was principally due to the recognition of an income tax benefit of $177 million related to Bermuda corporate income tax rate of 15%, pursuant to the Corporate Income Tax Act 2023 and adjustments related to certain deferred tax assets and deferred tax liabilities that are no longer required, partially offset by pre-tax income in our U.S., U.K. and European operations.

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Valuation allowance (refer to Item 8, Note 20 to the Consolidated Financial Statements 'Income taxes').

In 2025, the valuation allowance decreased by $12 million. The net gain incurred by AXIS Re Europe, the Swiss branch of the Irish reinsurance company, resulted in the release of a valuation allowance of $8 million against the net deferred tax assets of which $4 million was released in net income (loss) and $4 million was released in other comprehensive income (loss). The remaining valuation allowance of $0.3 million was fully released against foreign tax credits held by AXIS Specialty Europe.

In 2024, the valuation allowance decreased by $19 million. The net gain incurred by AXIS Re SE, the Irish reinsurance company, resulted in the release of a valuation allowance of $13 million against the net deferred tax assets of AXIS Re SE and AXIS Re Europe, the Swiss branch of the Irish reinsurance company, of which $8 million was released to net income (loss) and $5 million was released in other comprehensive income (loss). A valuation allowance of $7 million was also released against U.S. foreign tax credits held by AXIS Specialty Europe SE.

At December 31, 2025 and 2024, the U.S. operations had a deferred tax asset of $1 million and $19 million, respectively, for the unrealized losses on its fixed maturities that were recorded in other comprehensive income (loss). We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against its net unrealized investment losses in the U.S was not required.

At December 31, 2025 and 2024, the Bermuda operations had a deferred tax liability of $11 million and a deferred tax asset of $17 million, respectively, for the unrealized losses on its fixed maturities that were recorded in other comprehensive income (loss). Due to the net unrealized investment gains in Bermuda, a valuation allowance was not required.

At December 31, 2025 and 2024, the Company’s Bermuda operations had a deferred tax asset of $177 million related to the Bermuda ETA. We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against this asset in Bermuda was not required.

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FINANCIAL MEASURES

We believe that the following financial indicators are important in evaluating performance and measuring the overall growth in value generated for common shareholders:

Year ended and at December 31,202520242023
Return on average common equity(1)17.3%20.5%7.9%
Operating return on average common equity(2)18.1%18.6%11.0%
Book value per diluted common share(3)$77.20$65.27$54.06
Cash dividends declared per common share$1.76$1.76$1.76

(1)    Return on average common equity ("ROACE") is calculated by dividing net income (loss) available (attributable) to common shareholders for the year by the average common shareholders' equity determined using the common shareholders' equity balances at the beginning and end of the year.

(2)    Operating return on average common equity ("operating ROACE"), is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, ROACE, and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)    Book value per diluted common share represents common shareholders’ equity divided by the number of diluted common share outstanding, determined using the treasury stock method.

Return on Average Common Equity

Our objective is to generate superior returns on capital that appropriately reward common shareholders for the risks we assume and to grow revenue only when we expect the returns will meet or exceed our requirements. We recognize that the nature of underwriting cycles and the frequency or severity of large loss events in any one year may challenge the ability to achieve a profitability target in any specific period.

The decrease in ROACE in 2025, compared to 2024, was primarily driven by an increase in average common shareholders' equity, and to a lesser extent, a decrease in net income available to common shareholders.

The decrease in operating ROACE in 2025, compared to 2024, was primarily driven by an increase in average common shareholders' equity, partially offset by an increase in operating income.

Book Value per Diluted Common Share

We consider book value per diluted common share to be an appropriate measure of returns to common shareholders, as we believe growth in book value on a diluted basis will ultimately translate into appreciation of our stock price.

In 2025, book value per diluted common share increased by 18%, driven by net income for the year, and net unrealized investment gains reported in accumulated other comprehensive income (loss), partially offset by common share repurchases, and common dividends declared.

In 2024, book value per diluted common share increased by 21%, driven by net income for the year, and net unrealized investment gains reported in accumulated other comprehensive income (loss), partially offset by common dividends declared.

Cash Dividends Declared per Common Share

We believe in returning excess capital to shareholders by way of dividends. Accordingly, dividend policy is an integral part of the value we create for shareholders. Our Board of Directors has approved quarterly common share dividends for twenty two consecutive years.

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NON-GAAP FINANCIAL MEASURES RECONCILIATION

Year ended December 31,202520242023
Net income available to common shareholders$978,648$1,051,536$346,042
Net investment (gains) losses(58,950)138,53474,630
Foreign exchange losses (gains)141,983(50,822)58,115
Reorganization expenses26,31228,997
Interest in income of equity method investments(9,452)(17,953)(4,163)
Bermuda deferred tax asset(1)(18,782)(176,923)
Income tax benefit(2)(9,235)(18,649)(17,488)
Operating income$1,024,212$952,035$486,133
Earnings per diluted common share$12.35$12.35$4.02
Net investment (gains) losses(0.74)1.630.87
Foreign exchange losses (gains)1.79(0.60)0.68
Reorganization expenses0.310.34
Interest in income of equity method investments(0.12)(0.21)(0.05)
Bermuda deferred tax asset(0.24)(2.08)
Income tax benefit(0.12)(0.22)(0.21)
Operating income per diluted common share$12.92$11.18$5.65
Weighted average diluted common shares outstanding(3)79,26685,17686,012
Average common shareholders' equity$5,672,907$5,126,288$4,401,553
Return on average common equity17.3%20.5%7.9%
Operating return on average common equity18.1%18.6%11.0%

(1)Bermuda deferred tax benefit in 2025 is due to the derecognition of deferred tax liabilities related to Bermuda corporate income tax. Bermuda deferred tax benefit in 2024 is due to the recognition of deferred tax assets net of deferred tax liabilities related to Bermuda corporate income tax.

(2)Tax expense (benefit) associated with the adjustments to net income (loss) available (attributable) to common shareholders. Tax impact is estimated by applying the statutory rates of applicable jurisdictions.

(3)Refer to Item 8, Note 14 to the Consolidated Financial Statements 'Earnings Per Common Share' for further details.

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Rationale for the Use of Non-GAAP Financial Measures

We present our results of operations in a way we believe will be meaningful and useful to investors, analysts, rating agencies and others who use our financial information to evaluate our performance. Some of the measurements we use are considered non-GAAP financial measures under SEC rules and regulations. In this Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A"), we present underwriting-related general and administrative expenses, consolidated underwriting income (loss), current accident year loss ratio, catastrophe and weather-related losses ratio, current accident year loss ratio, excluding catastrophe and weather-related losses, operating income (loss) (in total and on a per share basis), operating return on average common equity ("operating ROACE"), amounts presented on a constant currency basis and pre-tax, total return on average cash and investments excluding foreign exchange movements, which are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. We believe that these non-GAAP financial measures, which may be defined and calculated differently by other companies, help explain and enhance the understanding of our results of operations. However, these measures should not be viewed as a substitute for those determined in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP").

Underwriting-Related General and Administrative Expenses

Underwriting-related general and administrative expenses include those general and administrative expenses that are incremental and/or directly attributable to our underwriting operations. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As these costs are not incremental and/or directly attributable to our underwriting operations, these costs are excluded from underwriting-related general and administrative expenses, and therefore, consolidated underwriting income (loss). General and administrative expenses, the most comparable GAAP financial measure to underwriting-related general and administrative expenses, also includes corporate expenses.

The reconciliation of consolidated underwriting-related general and administrative expenses to general and administrative expenses, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Consolidated Underwriting Income (Loss)

Consolidated underwriting income (loss) is a pre-tax measure of underwriting profitability that takes into account net premiums earned and other insurance related income (loss) as revenues and net losses and loss expenses, acquisition costs and underwriting-related general and administrative expenses as expenses. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

We evaluate our underwriting results separately from the performance of our investment portfolio. As a result, we believe it is appropriate to exclude net investment income and net investment gains (losses) from our underwriting profitability measure.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on our net insurance-related liabilities. However, we manage our investment portfolio in such a way that unrealized and realized foreign exchange losses (gains) on our investment portfolio, including unrealized foreign exchange losses (gains) on our equity securities, and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities recognized in net investment gains (losses), and unrealized foreign exchange losses (gains) on our available for sale investments in other comprehensive income (loss), generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio, thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to our underwriting performance. Therefore, foreign exchange losses (gains) are excluded from consolidated underwriting income (loss).

Interest expense and financing costs primarily relate to interest payable on our debt and Federal Home Loan Bank advances. As these expenses are not incremental and/or directly attributable to our underwriting operations, these expenses are excluded from underwriting-related general and administrative expenses and, therefore, consolidated underwriting income (loss).

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Reorganization expenses in 2024 primarily related to severance costs attributable to our "How We Work" program. Reorganization expenses in 2023 primarily related to impairments of computer software assets and severance costs attributable to our "How We Work" program which is focused on simplifying our operating structure. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from consolidated underwriting income (loss).

Amortization of intangible assets arose from business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from consolidated underwriting income (loss).

We believe that the presentation of underwriting-related general and administrative expenses and consolidated underwriting income (loss) provides investors with an enhanced understanding of our results of operations, by highlighting the underlying pre-tax profitability of our underwriting activities. The reconciliation of consolidated underwriting income (loss) to net income (loss), the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Current Accident Year Loss Ratio

Current accident year loss ratio represents net losses and loss expenses ratio exclusive of net favorable (adverse) prior year reserve development. We believe that the presentation of current accident year loss ratio provides investors with an enhanced understanding of our results of operations by highlighting net losses and loss expenses associated with our underwriting activities excluding the impact of volatile prior year reserve development. The reconciliation of current accident year loss ratio to net losses and loss expenses ratio, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Catastrophe and Weather-Related Losses Ratio and Current Accident Year Loss Ratio, excluding Catastrophe and Weather-Related Losses

Catastrophe and weather-related losses ratio represents net losses and loss expenses ratio associated with natural catastrophes, man-made disasters, other significant catastrophe events and other weather-related events exclusive of net favorable (adverse) prior year reserve development.

Current accident year loss ratio, excluding catastrophe and weather-related losses represents net losses and loss expenses ratio exclusive of net favorable (adverse) prior year reserve development and net losses and loss expenses associated with natural catastrophes, man-made disasters, other significant catastrophe events and other weather-related events.

We believe that the presentation of these ratios that separately identify net losses and loss expenses associated with catastrophe and weather-related events provide investors with an enhanced understanding of our results of operations due to the inherently unpredictable nature of the occurrence of these events, the potential magnitude of these losses and the complexity that affects our ability to accurately estimate ultimate losses associated with these events.

The reconciliation of catastrophe and weather-related losses ratio and current accident year loss ratio, excluding catastrophe and weather-related losses to net losses and loss expenses ratio, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Operating Income (Loss)

Operating income (loss) represents after-tax operational results exclusive of net investment gains (losses), foreign exchange losses (gains), reorganization expenses, interest in income (loss) of equity method investments and Bermuda deferred tax asset.

Although the investment of premiums to generate income and investment gains (losses) is an integral part of our operations, the determination to realize investment gains (losses) is independent of the underwriting process and is heavily influenced by the availability of market opportunities. Furthermore, many users believe that the timing of the realization of investment gains (losses) is somewhat opportunistic for many companies.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on net insurance-related liabilities. However, we manage our investment portfolio in such a way that unrealized and realized foreign exchange losses (gains) on our investment portfolio, including unrealized foreign exchange losses (gains) on our equity securities and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities recognized in net investment gains (losses) and unrealized foreign exchange losses

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(gains) on our available for sale investments in other comprehensive income (loss), generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio, thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to the performance of our business. Therefore, foreign exchange losses (gains) are excluded from operating income (loss).

Reorganization expenses in 2024 primarily related to severance costs attributable to our "How We Work" program. Reorganization expenses in 2023 primarily related to impairments of computer software assets and severance costs attributable to our "How We Work" program which is focused on simplifying our operating structure. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from operating income (loss).

Interest in income (loss) of equity method investments is primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, this income (loss) is excluded from operating income (loss).

Bermuda deferred tax benefit in 2025 is due to the derecognition of deferred tax liabilities related to Bermuda corporate income tax, pursuant to the Corporate Income Tax Act amendment (No. 2) 2025 that is effective December 11, 2025. Bermuda deferred tax benefit in 2024 is due to the recognition of deferred tax assets net of deferred tax liabilities, pursuant to the Corporate Income Tax Act 2023 that is effective for fiscal years beginning on or after January 1, 2025. Bermuda deferred tax benefits are not related to the underwriting process. Therefore, this income is excluded from operating income (loss).

Certain users of our financial statements evaluate performance exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses, interest in income (loss) of equity method investments and Bermuda deferred tax asset in order to understand the profitability of recurring sources of income.

We believe that showing net income (loss) available (attributable) to common shareholders exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses, interest in income (loss) of equity method investments and Bermuda deferred tax asset reflects the underlying fundamentals of our business. In addition, we believe that this presentation enables investors and other users of our financial information to analyze performance in a manner similar to how our management analyzes the underlying business performance. We also believe this measure follows industry practice and, therefore, facilitates comparison of our performance with our peer group. We believe that equity analysts and certain rating agencies that follow us, and the insurance industry as a whole, generally exclude these items from their analyses for the same reasons. The reconciliation of operating income (loss) to net income (loss) available (attributable) to common shareholders, the most comparable GAAP financial measure, is presented above.

We also present operating income (loss) per diluted common share and operating ROACE, which are derived from the operating income (loss) measure and are reconciled above to the most comparable GAAP financial measures, earnings (loss) per diluted common share and return on average common equity ("ROACE"), respectively.

Constant Currency Basis

We present gross premiums written and net premiums earned on a constant currency basis in this MD&A. The amounts presented on a constant currency basis are calculated by applying the average foreign exchange rate from the current year to the prior year amounts. We believe this presentation enables investors and other users of our financial information to analyze growth in gross premiums written and net premiums earned on a constant basis. The reconciliation to gross premiums written and net premiums earned on a GAAP basis is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment'.

Pre-Tax, Total Return on Average Cash and Investments excluding Foreign Exchange Movements

Pre-tax, total return on average cash and investments excluding foreign exchange movements measures net investment income (loss), net investment gains (losses), interest in income (loss) of equity method investments, and change in unrealized gains (losses) generated by average cash and investment balances. We believe this presentation enables investors and other users of our financial information to analyze the performance of our investment portfolio. The reconciliation of pre-tax, total return on average cash and investments excluding foreign exchange movements to pre-tax, total return on average cash and investments, the most comparable GAAP financial measure, is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Net Investment Income and Net Investment Gains (Losses)'.

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CASH AND INVESTMENTS

Details of cash and investments are as follows:

December 31, 2025December 31, 2024
Fair valueFair value
Fixed maturities, available for sale$13,018,027$12,152,753
Fixed maturities, held to maturity(1)395,942436,751
Equity securities707,569579,274
Mortgage loans356,840505,697
Other investments1,027,798930,278
Equity method investments227,181206,994
Short-term investments20,298223,666
Total investments$15,753,655$15,035,413
Cash and cash equivalents(2)$1,321,185$3,063,621

(1)Presented at net carrying value of $397 million (2024: $443 million) in the consolidated balance sheets.

(2)Includes restricted cash and cash equivalents of $501 million and $920 million for 2025 and 2024, respectively.

Overview

The fair value of total investments increased by $718 million in 2025, driven by the reinvestment of interest income and income from operations, and the increase in market value of fixed maturities due to the decline in yields.

Cash and Cash equivalents

At December 31, 2025, cash and cash equivalents were $1.3 billion compared to $3.1 billion at December 31, 2024, a decrease of $1.7 billion. Cash and cash equivalents at December 31, 2024 were higher than usual in anticipation of premiums to be paid for the LPT agreement on receipt of regulatory approval.

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An analysis of our investment portfolio by asset class is detailed below:

Fixed Maturities

Details of our fixed maturities portfolio are as follows:

December 31, 2025December 31, 2024
Fair value% of totalFair value% of total
Fixed maturities:
U.S. government and agency$2,417,90118%$2,802,98622%
Non-U.S. government810,5446%729,9396%
Corporate debt5,365,50941%4,957,80739%
Agency RMBS2,035,35215%1,184,8459%
CMBS801,5116%819,6087%
Non-agency RMBS190,1241%122,5361%
ABS1,740,93313%1,860,96615%
Municipals(1)52,095%110,8171%
Total$13,413,969100%$12,589,504100%
Credit ratings:
U.S. government and agency$2,417,90118%$2,802,98622%
AAA(2)2,577,51219%2,665,33421%
AA3,182,16524%2,354,37219%
A2,331,45917%2,090,51617%
BBB1,339,10110%1,190,3819%
Below BBB(3)1,565,83112%1,485,91512%
Total$13,413,969100%$12,589,504100%

(1)Includes bonds issued by states, municipalities, and political subdivisions.

(2)Includes U.S. government-sponsored agencies, residential mortgage-backed securities ("RMBS") and commercial mortgage-backed securities ("CMBS").

(3)Non-investment grade and non-rated securities.

At December 31, 2025, fixed maturities had a weighted average credit rating of A+ (2024: A+), a book yield of 4.6% (2024: 4.5%), and an average duration of 3.1 years (2024: 2.8 years).

At December 31, 2025, fixed maturities together with short-term investments, and cash and cash equivalents (i.e., total investments of $14.8 billion) had a weighted average credit rating of AA- (2024: AA-) and an average duration of 2.8 years (2024: 2.5 years).

Our methodology for assigning credit ratings to fixed maturities is in line with the methodology used for the Barclays U.S. Aggregate Bond index. This methodology uses the midpoint of Standard & Poor's (S&P), Moody's and Fitch ratings. When ratings from only two of these agencies are available, the lower rating is used. When only one agency rates a security, that rating is used. When ratings provided by S&P, Moody's and Fitch are not available, ratings from other nationally recognized agencies are used.

To calculate the weighted average credit rating for fixed maturities, we assign points to each rating with the highest points assigned to the highest rating (AAA) and the lowest points assigned to the lowest rating (D) and then calculate the weighted average based on the fair values of the individual securities. Securities that are not rated are excluded from weighted average calculations. At December 31, 2025, the fair value of fixed maturities not rated was $1 million (2024: $3 million).

In addition to managing credit risk exposure within our fixed maturities portfolio, we also monitor the aggregation of country risk exposure on a group-wide basis. Country risk exposure is the risk that events in a country, such as currency crises, regulatory changes and other political events, will adversely affect the ability of obligors in the country to honor their obligations. For corporate debt and structured securities, we measure the country of risk exposure based on a number of factors, including but not limited to location of management, principal operations and country of revenues.

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An analysis of our fixed maturities portfolio by major asset classes is detailed below:

Non-U.S. Government

Non-U.S. government securities include bonds issued by non-U.S. governments and their agencies along with supranational organizations (collectively also known as sovereign debt securities).

Details of exposures to governments in the eurozone and other non-U.S. government concentrations by fair value are as follows:

December 31, 2025December 31, 2024
CountryFair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Eurozone countries:
Supranationals(1)$36,8595%AA+$43,4946%AAA
Germany18,1252%AAA25,1263%AAA
Luxembourg7,7621%BBB%
France4,1531%A-6,1271%A
Netherlands2,169%AAA6,5841%AAA
Total eurozone69,0689%AA81,33111%AA+
Other concentrations:
Canada421,53552%AA+322,11144%AA+
United Kingdom265,61733%AA-259,28236%AA-
Mexico6,2701%BBB3,303%BBB
Other48,0545%AA63,9129%BBB
Total other concentrations741,47691%AA648,60889%AA
Total non-U.S. government$810,544100%AA$729,939100%AA

(1)Includes supranationals only in the eurozone.

At December 31, 2025, net unrealized losses on non-U.S. government securities were $12 million (2024: $23 million) which included gross unrealized foreign exchange losses of $1 million (2024: $19 million), mainly related to Canada and U.K. government bonds.

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Corporate Debt

Corporate debt securities consist primarily of investment grade debt of a wide variety of corporate issuers and industries.

Details of our corporate debt securities portfolio by sector are as follows:

December 31, 2025December 31, 2024
Fair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Financial institutions:
U.S. banks$623,81712%A$679,82714%A
Corporate/commercial finance720,96513%BBB558,57711%BBB
Non-U.S. banks394,0377%A411,0748%A
Insurance242,3095%A-223,5035%A-
Investment brokerage154,7703%BBB132,2373%BBB
Total financial institutions2,135,89840%A-2,005,21841%A-
Consumer non-cyclicals543,44010%BBB-515,07210%BBB-
Consumer cyclical526,34010%BB506,91210%BB
Communications391,8977%BBB-336,1927%BB+
Industrials568,20311%BB+533,40111%BB
Technology397,5227%BB+299,9386%BB+
Utilities284,1965%A-253,7565%A-
Energy286,7135%BBB-252,8515%BBB-
Other231,3005%A+254,4675%A
Total$5,365,509100%BBB$4,957,807100%BBB
Credit quality summary:
Investment grade$3,803,56271%A-$3,477,84070%A-
Non-investment grade1,561,94729%B+1,479,96730%B+
Total$5,365,509100%BBB$4,957,807100%BBB

At December 31, 2025, our non-investment grade portfolio had a fair value of $1,562 million (2024: $1,480 million), a weighted average credit rating of B+ (2024: B+) and duration of 1.8 years (2024: 2.2 years). At December 31, 2025, our corporate debt portfolio, including non-investment grade securities, had a duration of 3.2 years (2024: 3.2 years).

Mortgage-Backed Securities

Details of the fair values of our RMBS and CMBS portfolios by credit rating are as follows:

December 31, 2025December 31, 2024
RMBSCMBSRMBSCMBS
Government agency$2,035,352$166,392$1,184,845$142,214
AAA184,093571,618115,115614,801
AA4,45144,4085,28051,411
A20717,5782507,439
BBB57868812,732
Below BBB(1)1,3166471,8101,011
Total$2,225,476$801,511$1,307,381$819,608

(1)Non-investment grade securities and non-rated securities.

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Residential MBS

Agency RMBS consist of bonds issued by the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and the Government National Mortgage Association, which are primarily AA+ rated and are supported by loans which are diversified across geographical areas. At December 31, 2025, agency RMBS had an average duration of 5.2 years (2024: 5.2 years).

Non-agency RMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2025, 99% (2024: 98%) of our non-agency RMBS were rated AA or better. At December 31, 2025, non-agency RMBS had an average duration of 3.5 years (2024: 4.3 years) and weighted average life of 2.3 years (2024: 5.4 years).

Commercial MBS

CMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2025, 98% (2024: 99%) of our CMBS were rated AA or better. At December 31, 2025, the weighted average estimated subordination percentage of the portfolio was 32% (2024: 34%), which represents the current weighted average estimated percentage of the capital structure subordinated to the investment holding that is available to absorb losses before the security incurs the first dollar loss of principal. At December 31, 2025, CMBS had an average duration of 2.7 years (2024: 2.7 years) and weighted average life of 3.3 years (2024: 3.7 years).

Asset-Backed Securities

ABS mainly include investment grade bonds backed by pools of loans with a variety of underlying collateral, including auto loans, student loans, credit card receivables and collateralized loan obligations ("CLOs") originated by a variety of financial institutions.

Details of the fair value of our ABS portfolio by underlying collateral and credit rating are as follows:

Asset-backed securities
AAAAAABBBBelow BBBTotal
At December 31, 2025
CLO - debt tranches$635,695$220,572$65,367$23,842$$945,476
Auto loans305,265307305,572
Student loans94,03911,164105,203
Credit card receivables89,37923989,618
Other216,5584,45065,2066,9251,925295,064
Total$1,340,936$236,425$130,880$30,767$1,925$1,740,933
% of total76%14%8%2%—%100%
At December 31, 2024
CLO - debt tranches$599,224$303,480$54,712$29,861$$987,277
Auto loans447,594447,594
Student loans56,99511,96868,963
Credit card receivables71,39057771,967
Other262,63267416,7473,5271,585285,165
Total$1,437,835$316,699$71,459$33,388$1,585$1,860,966
% of total77%17%4%2%—%100%

At December 31, 2025, the average duration of our ABS portfolio was 1.1 years (2024: 1.0 year) and the weighted average life was 3.8 years (2024: 3.1 years).

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Municipals

Municipals comprise revenue bonds and general obligation bonds issued by U.S. domiciled state and municipal entities and are primarily held in the taxable portfolios of our U.S. subsidiaries.

At December 31, 2025, our municipals had a fair value of $52 million (2024: $111 million), a weighted average credit rating of AA- (2024: AA-) and duration of 3.7 years (2024: 3.3 years).

Gross Unrealized Losses

At December 31, 2025, the gross unrealized losses on our fixed maturities, available for sale portfolio were $99 million (2024: $311 million).

Investment grade fixed maturities, available for sale

The severity of the unrealized loss position as a percentage of amortized cost for all investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2025December 31, 2024
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$2,545,441$(55,806)62%$5,564,985$(147,136)50%
10-20%252,267(33,835)38%866,342(138,082)46%
20-30%712(216)%43,062(11,696)4%
30-40%%183(89)%
40-50%%%
50%%132(41)%
Total$2,798,420$(89,857)100%$6,474,704$(297,044)100%

The decrease in gross unrealized losses on investment grade fixed maturities primarily reflected the impact of the decline in yields and the tightening of credit spreads on investment grade corporate debt securities.

Non-investment grade fixed maturities, available for sale

The severity of the unrealized loss position as a percentage of amortized cost for all non-investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2025December 31, 2024
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$263,445$(4,087)46%$643,929$(11,655)82%
10-20%13,103(1,773)20%12,210(1,601)11%
20-30%3,927(761)9%1,387(354)2%
30-40%297(102)1%1,557(602)4%
40-50%1,053(478)5%289(75)1%
50%1,165(1,680)19%4(4)%
Total$282,990$(8,881)100%$659,376$(14,291)100%

The decrease in gross unrealized losses on non-investment grade fixed maturities reflected the impact of the tightening of credit spreads on non-investment grade high yield corporate debt securities.

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Equity Securities

At December 31, 2025, net unrealized gains on equity securities were $126 million (2024: $59 million). The increase was driven by the rally in global equity markets.

Mortgage Loans

During 2025, investment in commercial mortgage loans decreased to $357 million from $506 million, a decrease of $149 million, mainly due to the repayment of loans. The commercial mortgage loans are collateralized by a variety of commercial properties and diversified geographically throughout the U.S. and by property type to reduce the risk of concentration. At December 31, 2025, the allowance for expected credit loss of $30 million (2024: $23 million) was primarily related to commercial properties exposed to the office sector.

Other Investments

Details of our other investments portfolio are as follows:

December 31, 2025December 31, 2024
Multi-strategy funds$11,5771%$24,9193%
Direct lending funds186,74718%171,04818%
Private equity funds364,37636%320,69035%
Real estate funds291,49128%291,64031%
Total multi-strategy, direct lending, private equity and real estate funds854,19183%808,29787%
Other privately held investments173,60717%121,98113%
Total other investments$1,027,798100%$930,278100%

Refer to Item 8, Note 5(e) to the Consolidated Financial Statements 'Investments'.

Equity Method Investments

Our ownership interests in Harrington Reinsurance Holdings Limited ("Harrington") and Monarch Point Re (ISAC) Ltd., Monarch Point Re (ISA 2023) Ltd., Monarch Point Re (ISA 2024) Ltd., and Monarch Point Re (ISA 2025) Ltd. (collectively "Monarch Point Re") are reported in interest in income (loss) of equity method investments. Refer to Note 5(f) to the Consolidated Financial Statements 'Investments'.

Restricted Assets

Refer to Item 8, Note 5(j) to the Consolidated Financial Statements 'Investments'.

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LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Liquidity is a measure of a company’s ability to generate cash flows sufficient to meet the short-term and long-term cash requirements of its business operations. We manage liquidity at the holding company and operating subsidiary level.

Holding Company

As a holding company, AXIS Capital has no operations of its own and its assets consist primarily of investments in its subsidiaries. Accordingly, AXIS Capital’s future cash flows depend on the availability of dividends or other statutorily permissible distributions, such as returns of capital, from its subsidiaries.

The ability to pay such dividends and/or distributions is limited by the applicable laws and regulations of the various countries and states in which AXIS Capital’s subsidiaries operate (refer to Item 8, Note 22 to the Consolidated Financial Statements 'Statutory Financial Information' for further details), as well as the need to maintain capital levels to adequately support insurance and reinsurance operations, and to preserve financial strength ratings issued by independent rating agencies.

During 2025, AXIS Capital received $1.0 billion (2024: $459 million) of distributions from its subsidiaries. AXIS Capital’s primary uses of funds are dividend payments to common and preferred shareholders, interest and principal payments on debt, capital investments in subsidiaries, and payment of corporate operating expenses. We believe the dividend/distribution capacity of AXIS Capital’s subsidiaries, that was $1.2 billion at December 31, 2025 (2024: $1.4 billion), will provide AXIS Capital with sufficient liquidity for the foreseeable future.

Operating Subsidiaries

AXIS Capital’s operating subsidiaries primarily derive cash from the net inflow of premiums less claim payments related to underwriting activities and from net investment income. Historically, these cash receipts have been sufficient to fund the operating expenses of these subsidiaries, as well as to fund dividend payments to AXIS Capital. The subsidiaries’ remaining cash flows are generally invested in our investment portfolio and have also been used to fund common share repurchases in recent years.

The insurance and reinsurance business of our operating subsidiaries inherently provide liquidity, as premiums are received in advance (sometimes substantially in advance) of the time losses are paid. However, the amount of cash required to fund loss payments can fluctuate significantly from period to period, due to the low frequency/high severity nature of certain types of business we write.

Consolidated cash flows from operating, investing and financing activities in the last three years were as follows:

Total cash provided by (used in)(1)202520242023
Operating activities$(40,932)$1,844,813$1,255,559
Investing activities(628,725)280,452(855,610)
Financing activities(1,087,258)(417,294)(202,371)
Effect of exchange rate changes on cash14,479(28,335)11,754
Increase (decrease) in cash and cash equivalents$(1,742,436)$1,679,636$209,332

(1) Refer to Item 8, 'Consolidated Statements of Cash Flows' for further details.

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Operating activities

•Net cash used in operating activities was $41 million in 2025 compared to net cash provided by operating activities of $1,845 million in 2024. Cash inflows from insurance and reinsurance operations typically include premiums, net of acquisition costs, and reinsurance recoverables. Cash outflows principally include payments of losses and loss expenses, payments of premiums to reinsurers and operating expenses. Cash provided by operating activities can fluctuate due to timing differences between the collection of premiums and reinsurance recoverables and the payment of losses and loss expenses, and the payment of premiums to reinsurers.

•Operating cash outflows increased in 2025 compared to 2024, primarily attributable to increases in payments of premiums to reinsurers including payment for the LPT agreement with Enstar completed April 24, 2025 and payments of losses and loss expenses, partially offset by increases in premiums received and reinsurance recoverables received.

Investing activities

•Investing cash outflows in 2025 were principally related to the net purchases of fixed maturities of $710 million, loan advances made to Monarch Point Re reinsurers of $139 million, net purchases of other assets of $51 million, equity securities of $32 million, other investments of $30 million, and equity method investments of $11 million, partially offset by net proceeds from the sale and redemption of short-term investments of $206 million and the repayment of mortgage loans of $138 million.

•Investing cash inflows in 2024 were principally related to the net proceeds from the sale and redemption of fixed maturities of $281 million, unsettled payable for reverse repurchase agreements included in cash and cash equivalents of $247 million, net proceeds from the sales of other investments of $66 million, and equity securities of $40 million, and the net proceeds from the sales and repayment of mortgage loans of $81 million, partially offset by net purchases of short-term investments of $204 million and loan advances made to Monarch Point Re of $199 million.

Financing activities

•Financing cash outflows in 2025 were principally due to the repurchase of common shares of $914 million and dividends paid to common and preferred shareholders of $173 million.

•Financing cash outflows in 2024 were principally due to the repurchase of common shares of $216 million dividends paid to common and preferred shareholders of $182 million, and the repayment of the Federal Home Loan Bank advances of $19 million.

•The declaration and payment of future dividends and share repurchases is at the discretion of our Board of Directors and will depend on many factors including, but not limited to, our net income, financial condition, business needs, capital and surplus requirements of our operating subsidiaries and regulatory and contractual restrictions, including those detailed in our credit facilities (refer to 'Capital Resources – Share Repurchases' below for further details).

We have generated positive operating cash flows in all years since 2003, with the exception of 2025 which was impacted by payment for the LPT agreement with Enstar completed April 24, 2025. These positive cash flows were generated notwithstanding the impacts of the global financial crisis and the recognition of significant catastrophe and weather-related losses including the impact of the COVID-19 pandemic in 2020 and 2021.

Net losses and loss expenses, gross of reinstatement premiums, included estimates of ultimate losses for catastrophe and weather-related losses of $159 million in 2025, $226 million in 2024 and $138 million in 2023. There remains significant uncertainty associated with estimates of ultimate losses for certain of these events (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details), as well as the timing of the associated cash outflows.

Should claim payment obligations accelerate beyond our ability to fund payments from operating cash flows, we would utilize cash and cash equivalent balances and/or liquidate a portion of our investment portfolio.

For context, at January 1, 2026, our largest 1-in-100 year return period, single occurrence, single-zone modeled probable maximum loss (Southeast U.S. Hurricane) was approximately $225 million, net of reinsurance. Claim payments pertaining to such an event would be paid out over a period spanning many months. Our internal risk tolerance framework aims to limit the loss of capital due to a single event and the loss of capital that would occur from multiple but perhaps smaller events, in any year (refer to Item 1 'Risk and Capital Management' for further details).

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Our investment portfolio is heavily weighted towards conservative, high quality and highly liquid securities. We expect that, if necessary, cash and invested assets of approximately $14.4 billion at December 31, 2025 (2024 $15.2 billion) could be available in one to three business days under normal market conditions. Of this amount, $7.3 billion (2024 $6.9 billion) related to restricted assets, which primarily support our obligations in regulatory jurisdictions where we operate as a non-admitted carrier (refer to Item 8, Note 5(j) to the Consolidated Financial Statements 'Investments' for further details).

We expect that cash flows generated from operations, combined with the liquidity provided by our investment portfolio, to be sufficient to cover required cash outflows and other contractual commitments through the foreseeable future (refer to 'Contractual Obligations and Commitments' below for further details).

Capital Resources

In addition to common equity, we have utilized other external sources of financing, including debt, preferred shares, and letter of credit facilities to support our business operations. We believe that we hold sufficient capital to allow us to take advantage of market opportunities and to maintain our financial strength ratings, as well as to comply with various local statutory regulations. We monitor capital adequacy on a regular basis and adjust our capital base according to the needs of our business (refer to Item 1 'Risk and Capital Management' for further details).

The following table summarizes consolidated capital:

At December 31,20252024
Debt$1,316,710$1,315,179
Preferred shares550,000550,000
Common equity5,806,4355,539,379
Shareholders’ equity6,356,4356,089,379
Total capital$7,673,145$7,404,558
Ratio of debt to total capital17.2%17.8%

We finance our operations with a combination of debt and equity capital. The debt to total capital ratio provides an indication of our capital structure, along with some insight into our financial strength.

We believe that our financial flexibility remains strong. Adjustments are made if developments occur that are different from previous expectations.

Debt

Debt represents the 5.150% Senior Notes issued in 2014, which will mature in 2045, the 4.000% Senior Notes issued in 2017, which will mature in 2027, the 3.900% Senior Notes issued in 2019, which will mature in 2029, and the 4.900% Junior Subordinated Notes issued in 2019, which will mature in 2040 (refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

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Federal Home Loan Bank Advances

The Company's subsidiaries, AXIS Insurance Company and AXIS Surplus Insurance Company, are members of the Federal Home Loan Bank of Chicago ("FHLB").

Members may borrow from the FHLB at competitive rates subject to certain conditions. At December 31, 2025, the companies had admitted assets of approximately $3.6 billion (2024: $3.2 billion) which provides borrowing capacity of up to approximately $888 million (2024: $798 million) (refer to Item 8, Note 11 to the Consolidated Financial Statements 'Federal Home Loan Bank Advances').

At December 31, 2025, the Company had borrowings under the FHLB program of $66 million (2024: $66 million).

The FHLB advances have maturities in 2026 and interest payable at interest rates between 3.9% and 4.6% (2024: 4.5% and 5.5%). For the year ended December 31, 2025, the Company incurred interest expense of $3 million (2024: $4 million). The borrowings under the FHLB program are secured by cash and investments with a fair value of $74 million (2024: $72 million).

Preferred Shares

Series E Preferred Shares

On November 7, 2016, we issued $550 million of 5.50% Series E preferred shares with a liquidation preference of $2,500 per share (equivalent to $25 per depositary share). Dividends on the Series E preferred shares are non-cumulative. To the extent declared, dividends accumulate, with respect to each dividend period, in an amount per share equal to 5.50% of the liquidation preference per annum (equivalent to $137.50 per Series E preferred share and $1.375 per depositary share). We could redeem these shares on or after November 7, 2021 at a redemption price of $2,500 per Series E preferred share (equivalent to $25 per depositary share) (refer to Item 8, Note 15 to the Consolidated Financial Statements 'Shareholders' Equity' for further details).

Secured Letter of Credit Facilities

We routinely enter into agreements with financial institutions to obtain secured letter of credit facilities.

At December 31, 2025, certain of AXIS Capital’s operating subsidiaries had a committed letter of credit facility up to a maximum aggregate amount of $300 million and an uncommitted secured letter of credit facility up to a maximum aggregate amount of $200 million available from Citibank Europe plc ("Citibank"). At December 31, 2025, letters of credit outstanding were $226 million (2024: $235 million).

These facilities are primarily used for the issuance of letters of credit, in the normal course of operations, to certain insurance and reinsurance entities that purchase reinsurance protection from us. These letters of credit allow those operations to take credit, under local insurance regulations, for reinsurance obtained in jurisdictions where AXIS Capital’s subsidiaries are not licensed or otherwise admitted as an insurer. The value of our letters of credit outstanding is driven by, among other factors, the amount of unearned premiums, development of loss reserves, the payment patterns of loss reserves, the expansion of our business and the loss experience of that business (refer to Item 8, Note 10 to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

At December 31, 2025, AXIS Corporate Capital UK II Limited, acting through AXIS Managing Agency Limited, as managing agent of AXIS Syndicate 1686 and AXIS Syndicate 2050 (collectively, the "Syndicates") had an uncommitted unsecured letter of credit facility up to a maximum aggregate amount of $90 million available from Citibank. At December 31, 2025, letters of credit outstanding were $80 million.

This letter of credit facility is intended to support obligations in connection with the Syndicates’ participation in the Lloyd’s insurance market, specifically its Funds at Lloyd’s requirements (refer to Item 8, Note 10 to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

At December 31, 2025, AXIS Specialty Limited had an uncommitted bilateral short-term line of credit facility up to a maximum aggregate amount of $150 million available from Wells Fargo Bank National Association. At December 31, 2025, the $150 million Facility was not drawn. The line of credit facility is intended to support the Borrower's working capital requirements and general corporate expenses (refer to Item 8, Note 10 to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

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Common Equity

During the year ended December 31, 2025, common equity increased by $267 million. The following table reconciles opening and closing common equity positions:

Year ended December 31,20252024
Common equity - opening$5,539,379$4,713,196
Share-based compensation expense43,18440,487
Change in unrealized gains on available for sale investments, net of tax281,607122,042
Foreign currency translation adjustment14,381(23,763)
Net income1,008,8981,081,786
Preferred share dividends(30,250)(30,250)
Common share dividends(138,518)(150,495)
Treasury shares repurchased(914,276)(215,868)
Treasury shares reissued2,0302,244
Common equity - closing$5,806,435$5,539,379

Share Repurchases

During 2025, we repurchased 10 million common shares for a total of $914 million, including $888 million repurchased pursuant to our Board-authorized share repurchase programs, and $27 million from employees to facilitate the satisfaction of their personal withholding tax liabilities that arise on vesting of share-settled restricted stock units granted under our 2017 Long-Term Equity Compensation Plans.

At June 30, 2024, authorization under our share repurchase program approved in December 2023 was exhausted.

On May 16, 2024, our Board of Directors approved a new share repurchase program for up to $300 million of the Company's common shares. The new share repurchase program was open-ended, allowing the Company to repurchase its shares from time to time in the open market or privately negotiated transactions, depending on market conditions. On February 6, 2025, authorization under this plan was exhausted.

On February 19, 2025, our Board of Directors approved a new share repurchase program for up to $400 million of the Company's common shares. The new share repurchase program was open-ended, allowing the Company to repurchase its shares from time to time in the open market or privately negotiated transactions, depending on market conditions. On September 3, 2025, authorization under this plan was exhausted.

On September 17, 2025, our Board of Directors approved a new share repurchase program for up to $400 million of the Company's common shares. The new share repurchase program is open-ended, allowing the Company to repurchase its shares from time to time in the open market or privately negotiated transactions, depending on market conditions. At December 31, 2025, we had $112 million of remaining authorization under our open-ended Board-authorized share repurchase program for common share repurchases.

Refer to Item 5 'Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities' and Item 8, Note 15 to the Consolidated Financial Statements 'Shareholders' Equity' for further details.

Shelf Registrations

On November 4, 2025, we filed an unallocated universal shelf registration statement with the SEC, which became effective on filing. Pursuant to the shelf registration, we may issue an unlimited amount of equity, debt, warrants, purchase contracts or a combination of these securities. Our intent and ability to issue securities pursuant to this registration statement will depend on market conditions at the time of any proposed offering.

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Financial Strength Ratings

Operating subsidiaries

Our principal insurance and reinsurance operating subsidiaries are assigned financial strength ratings from internationally recognized rating agencies, including Standard & Poor’s, A.M. Best, and Moody’s Investors Service. These ratings are publicly announced and are available directly from the agencies, and on our website.

Financial strength ratings represent the opinions of the rating agencies on the overall financial strength of a company and its capacity to meet the obligations of its insurance and reinsurance contracts. Independent ratings are one of the important factors that establish a competitive position in insurance and reinsurance markets. The rating agencies consider many factors in determining the financial strength rating of an insurance company, including the relative level of statutory surplus necessary to support the business operations of the company. These ratings are based on factors considered by the rating agencies to be relevant to policyholders, agents and intermediaries and are not directed toward the protection of investors. Ratings are not recommendations to buy, sell or hold securities.

The following are the most recent financial strength ratings from internationally recognized agencies in relation to our principal insurance and insurance operating subsidiaries:

Rating agencyAgency’s description of ratingRating and outlookAgency’s rating definitionRanking of rating
Standard & Poor’sAn "opinion about the financial security characteristics of an insurance organization, with respect to its ability to pay under its insurance policies and contracts, in accordance with their terms".A+(Stable)"Strong capacity to meet its financial commitments"The 'A' category is the third highest out of ten major rating categories. The second through eighth major rating categories may be modified by the addition of a plus or minus sign to show relative standing within the major rating categories.
A.M. BestAn "opinion of an insurer’s financial strength and ability to meet its ongoing insurance policy and contract obligations".A(Stable)"Excellent ability to meet ongoing insurance obligations"The 'A' category is the third highest rating out of fourteen. Ratings outlooks ('Positive', 'Negative' and 'Stable') are assigned to indicate a rating’s potential direction over an intermediate term, generally defined as 36 months.
Moody’s Investors Service"Opinions of the ability of insurance companies to pay punctually senior policyholder claims and obligations."A2(Stable)"Offers good financial security"The 'A' category is the third highest out of nine rating categories. Each of the second through seventh categories are subdivided into three subcategories, as indicated by an appended numerical modifier of '1', '2' and '3'. The '1' modifier indicates that the obligation ranks in the higher end of the rating category, the '2' modifier indicates a mid-category ranking and the '3' modifier indicates a ranking in the lower end of the rating category.

Non-operating holding companies

On January 29, 2024, Standard and Poor's affirmed the Issuer Credit Rating of AXIS Capital Holding Company at A- (Stable). In addition, Standard & Poor's also reaffirmed the A+ Financial Strength and issuer credit ratings on all core operating subsidiaries (Stable).

The stable outlook reflects Standard and Poor's expectation that AXIS will sustain its strong competitive position supported by solid, less-volatile underwriting performance, and will maintain capital adequacy at the 99.99% (or extreme stress) level in 2023-2025.

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Contractual Obligations and Commitments

At December 31, 2025, contractual obligations and commitments by period due were:

Payment due by period
Contractual obligations and commitmentsTotalLess than 1 year1-3 years3-5 yearsMore than 5 years
Operating activities
Estimated gross losses and loss expenses payments(1)$18,122,256$5,140,504$6,168,334$3,218,486$3,594,932
Operating lease obligations(2)136,32016,93730,71929,95058,714
Investing activities
Unfunded investment commitments(3)1,089,367278,196282,558218,414310,199
Financing activities
Debt (principal payments)(4)1,325,000350,000300,000675,000
Debt (interest payments)(4)(5)408,71461,002106,81154,918185,983
Total$21,081,657$5,496,639$6,938,422$3,821,768$4,824,828

(1)We are obligated to pay claims for specified loss events covered by the insurance and reinsurance contracts that we write. Loss payments represent our most significant future payment obligation. In contrast to our other contractual obligations, cash payments are not determinable from the terms specified within the underlying contracts. Our best estimate of reserve for losses and loss expenses is reflected in the table above. Actual amounts and timing may differ materially from our best estimate (refer to ‘Critical Accounting Estimates – Reserve for Losses and Loss Expenses’ for further details). We have not taken into account corresponding reinsurance recoverable on unpaid amounts that would be due to us.

(2)In the ordinary course of business, we renew and enter into new leases for office space that expire at various dates. Operating lease obligations further includes $26 million of unamortized discount expenses (refer to Item 8, Note 13 to the Consolidated Financial Statements 'Leases' for further details).

(3)We have $683 million of unfunded investment commitments related to our other investments portfolio, which are callable by our investment managers (refer to Item 8, Note 5(e) to the Consolidated Financial Statements 'Investments' and Note 12(e) to the Consolidated Financial Statements 'Commitment and Contingencies' for further details). In addition, we have $3 million of unfunded commitments related to our commercial mortgage loans portfolio and $403 million of unfunded commitments related to our corporate debt portfolio.

(4)Refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details.

(5)Debt (interest payments) further includes $8 million of unamortized discount and debt issuance expenses (refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

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CRITICAL ACCOUNTING ESTIMATES

The consolidated financial statements include certain amounts that are inherently uncertain and judgmental in nature. As a result, we are required to make assumptions and best estimates to determine the reported values. We consider an accounting estimate to be critical if: (1) it requires that significant assumptions be made to deal with uncertainties and (2) changes in the estimate could have a material impact on our results of operations, financial condition, or liquidity.

We believe that the material items requiring such subjective and complex estimates are:

•reserves for losses and loss expenses;

•reinsurance recoverable on unpaid losses and loss expenses, including the allowance for expected credit losses;

•gross premiums written and net premiums earned;

•fair value measurements of financial assets and liabilities; and

•the allowance for credit losses associated with fixed maturities, available for sale.

Significant accounting policies are also important to understanding the consolidated financial statements (refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details).

We believe that the amounts included in the consolidated financial statements reflect management's best judgment. However, factors such as those described in Item 1A 'Risk Factors' could cause actual events or results to differ materially from the underlying assumptions and estimates which could lead to a material adverse impact on our results of operations, financial condition, or liquidity.

Reserve for Losses and Loss Expenses

Overview

We believe the most significant accounting judgment we make is the estimate of reserve for losses and loss expenses ("loss reserves"). Loss reserves represent management’s estimate of the unpaid portion of our ultimate liability for losses and loss expenses ("ultimate losses") for insured and reinsured events that have occurred at or before the balance sheet date. Loss reserves reflect claims that have been reported ("case reserves") to us and claims that have been incurred but not reported ("IBNR") to us. Loss reserves represent our best estimate of what the ultimate settlement and administration of claims will cost, based on our assessment of facts and circumstances known at that particular point in time.

Loss reserves are not an exact calculation of the liability but instead are complex estimates. The process of estimating loss reserves involves a number of variables (refer to 'Selection of Reported Reserves – Management's Best Estimate' below for further details). We review estimates of loss reserves each reporting period and consider all significant facts and circumstances known at that particular point in time. As additional experience and other data become available and/or laws and legal interpretations change, we may adjust previous estimates of loss reserves. Adjustments are recognized in the period in which they are determined. Therefore, they can impact that period's underwriting results either favorably, indicating that current estimates are lower than previous estimates, or adversely, indicating that current estimates are higher than previous estimates.

Case Reserves

With respect to insurance business, we are generally notified of losses by our insureds and/or their brokers. Based on this information, our claims personnel estimate ultimate losses arising from the claim, including the cost of administering the claims settlement process. These estimates reflect the judgment of our claims personnel based on general reserving practices, the experience and knowledge of such personnel regarding the nature of the specific claim and, where appropriate, the advice of legal counsel, loss adjusters and other relevant consultants.

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With respect to reinsurance business, we are generally notified of losses by ceding companies and/or their brokers. For excess of loss contracts, we are typically notified of insured losses on specific contracts and record a case reserve for the estimated ultimate liability arising from the claim. For contracts written on a proportional basis, we typically receive aggregated claims information and record a case reserve for the estimated ultimate liability arising from the claim based on that information. Proportional reinsurance contracts typically require that losses in excess of pre-defined amounts be separately notified so we can adequately evaluate them. Our claims department evaluates each specific loss notification we receive and records additional case reserves when a ceding company’s reserve for a claim is not considered adequate. We also undertake an extensive program of cedant audits, using outsourced legal and industry experience where necessary. This allows us to review cedants’ claims administration practices to ensure that reserves are consistent with exposures, adequately established, and properly reported in a timely manner.

IBNR

The estimation of IBNR is necessary due to potential development on reported claims and the time lag between when a loss event occurs and when it is actually reported, which is referred to as a reporting lag. Reporting lags may arise from a number of factors, including but not limited to the nature of the loss, the use of intermediaries and complexities in the claims adjusting process. As we do not have specific information on IBNR, it must be estimated. IBNR is calculated by deducting incurred losses (i.e., paid losses and case reserves) from management’s best estimate of ultimate losses. In contrast to case reserves, which are established at the contract level, IBNR reserves are generally estimated at an aggregate level and cannot be identified as reserves for a particular loss event or contract (refer to 'Reserving for Catastrophic Events' below for further details).

Reserving Methodology

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Sources of Information' for a description of the collection and analysis of data used in our quarterly loss reserving process.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Actuarial Analysis' for a description of the reserve estimation methods, Expected Loss Ratio Method ("ELR Method"), Loss Development Method (also referred to as the "Chain Ladder Method" or "Link Ratio Method") and Bornhuetter-Ferguson Method ("BF Method") which are commonly employed by our actuaries together with a discussion of their strengths and weaknesses.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Key Actuarial Assumptions', which notes that the most significant assumptions used in our quarterly loss reserving process are expected loss ratios ("ELRs") and loss development patterns.

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Gross Loss Reserves by Reserve Class

Gross loss reserves for each of the reportable segments, segregated between case reserves and IBNR, by reserve class are shown below:

20252024
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property$628,961$888,753$1,517,714$571,477$732,266$1,303,743
Casualty1,840,4996,117,0607,957,5591,531,9246,127,4177,659,341
Specialty other566,9901,114,2591,681,249543,963992,6561,536,619
Total Insurance3,036,4508,120,07211,156,5222,647,3647,852,33910,499,703
Reinsurance segment:
Casualty2,129,7773,085,3825,215,1592,040,9472,918,0114,958,958
Specialty326,296824,2431,150,539328,094714,3201,042,414
Run-off304,629295,407600,036417,498300,356717,854
Total Reinsurance2,760,7024,205,0326,965,7342,786,5393,932,6876,719,226
Total$5,797,152$12,325,104$18,122,256$5,433,903$11,785,026$17,218,929

In order to capture the key dynamics of loss reserve development and potential volatility, reserve classes should be considered according to their potential expected length of loss emergence and settlement, generally referred to as the "tail". Favorable development on prior accident year reserves indicates that current estimates are lower than previous estimates, while adverse development on prior accident year reserves indicates that current estimates are higher than previous estimates.

Although estimates of ultimate losses for shorter tail business are inherently more certain than for longer tail business, significant judgment is still required. For example, much of our excess insurance and excess of loss reinsurance business has high attachment points. Therefore, it is often difficult to estimate whether claims will exceed those attachment points. In addition, the inherent uncertainties relating to catastrophe events further add to the complexity of estimating potential exposure. Further, we use managing general agents ("MGAs") and other producers for certain business in the insurance segment, which can delay the reporting of loss information. For short-tail business, we expect the majority of development for an accident year or underwriting year to be recognized in the subsequent one to three years.

Factors that contribute additional uncertainty to estimates for longer tail business include, but are not limited to:

•potential volatility of actuarial estimates, the number of years of development it takes to produce a significant incurred loss as a percentage of ultimate losses;

•inherent uncertainties about loss trends, claims inflation (e.g., medical, judicial, social) and general economic conditions; and

•the possibility of future litigation, legislative or judicial change that may impact future loss experience relative to prior industry loss experience relied on in reserve estimation.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a discussion of prior year reserve development by segment, reserve class and accident year.

Reserving for Credit and Political Risk Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for further details of prior year reserve development for the insurance specialty other and reinsurance specialty reserve classes which include insurance and reinsurance credit and political risk lines of business.

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Reserving for Catastrophic Events

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Catastrophic Events' for further details.

In addition to those noted in Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Catastrophic Events' there are additional risks that affect our ability to accurately estimate ultimate losses for catastrophic events. For example, the estimates of loss reserves related to hurricanes and earthquakes can be affected by factors including, but not limited to, the inability to access portions of impacted areas, infrastructure disruptions, the complexity of factors contributing to losses, legal and regulatory uncertainties, complexities involved in estimating business interruption losses and additional living expenses, the impact of demand surge, fraud and the limited nature of information available. For hurricanes, additional complex coverage factors may include determining whether damage was caused by flooding or wind, evaluating general liability and pollution exposures, and mold damage. The timing of a catastrophe, for example, near the end of a reporting period, can also affect the level of information available to us to estimate loss reserves for that reporting period.

Results of operations for 2025 were impacted by natural and man-made catastrophe activity (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss Ratio' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details).

Selection of Reported Reserves – Management’s Best Estimate

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Selection of Reported Reserves – Management’s Best Estimate' for further details.

Independent Actuarial Review

On an annual basis, we engage an independent actuarial firm to provide an actuarial opinion on the reasonableness of loss reserves for each of our operating subsidiaries and statutory reporting entities as these actuarial opinions are required to meet various insurance regulatory requirements. The actuarial firm also discusses its conclusions from the annual review with management and presents its findings to the Audit Committee of the Board of Directors.

Sensitivity Analysis

While we believe that loss reserves at December 31, 2025 are adequate, new information, events or circumstances may result in ultimate losses that are materially greater or less than provided for in our loss reserves. As previously noted, there are many factors that may cause reserves to increase or decrease, particularly those related to catastrophe losses and longer tail lines of business.

Expected loss ratios are a key assumption in estimates of ultimate losses for business at an early stage of development. A higher expected loss ratio results in a higher ultimate loss estimate, and vice versa.

Assumed loss development patterns are another significant assumption in estimating loss reserves. Accelerating a loss reporting pattern (i.e., shortening the claim tail) results in lower ultimate losses, as the estimated proportion of losses already incurred would be higher.

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The effect on estimates of gross loss reserves of reasonably likely changes in the two key assumptions used to estimate gross loss reserves at December 31, 2025 was as follows:

INSURANCE
Loss development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Property5% lowerUnchanged5% higher
3 months shorter$(122,477)$(70,443)$(17,383)
Unchanged(54,360)48,945
3 months longer41,43099,402147,125
Casualty10% lowerUnchanged10% higher
3 months shorter$(898,647)$(315,997)$224,599
Unchanged(600,107)590,283
3 months longer(202,845)380,5971,003,380
Specialty other5%-10% lowerUnchanged5%-10% higher
3 months shorter$(137,987)$(80,919)$(21,262)
Unchanged(60,063)61,051
3 months longer29,78392,799157,056
REINSURANCE
Loss development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Casualty10% lowerUnchanged10% higher
3 months shorter$(521,338)$(224,696)$74,027
Unchanged(307,601)312,528
3 months longer(53,072)260,925588,309
Specialty5%-10% lowerUnchanged5%-10% higher
3 months shorter$(130,820)$(57,777)$15,461
Unchanged(75,290)74,237
3 months longer(4,235)72,667150,998
Run-off5% lowerUnchanged5% higher
3 months shorter$(23,147)$(4,315)$14,516
Unchanged(18,832)18,832
3 months longer(16,466)2,36721,200

The results show the cumulative increase (decrease) in loss reserves across all accident years.

For example, if assumed loss development pattern for insurance property business was three months shorter with no accompanying change in ELR assumption, loss reserves may decrease by approximately $70 million. Each of the impacts detailed in the tables is estimated individually, without consideration for any correlation among key assumptions or among lines of business. Therefore, it would be inappropriate to take each of the amounts and add them together in an attempt to estimate total volatility. Additionally, it is noted that in some instances, for example the projection of catastrophe estimates or credit and political risks estimates, development patterns are not appropriate as more bespoke techniques are used. While we believe the variations in the expected loss ratios and loss development patterns presented could be reasonably expected, our historical loss data regarding variability is generally limited and actual variations may be greater or less than these amounts.

It is also important to note that the variations are not meant to be a "best-case" or "worst-case" series of scenarios and, therefore, it is possible that future variations in loss reserves may be more or less than the amounts presented. While we believe that these are reasonably likely scenarios, we do not believe this sensitivity analysis should be considered an actual reserve range.

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Reinsurance Recoverable on Unpaid Losses and Loss Expenses

In the normal course of business, we purchase facultative and treaty reinsurance protection to limit ultimate losses and to reduce loss aggregation risk. To the extent that reinsurers do not meet their obligations under the reinsurance agreements, we remain liable. Consequently, we are exposed to credit risk associated with reinsurance recoverable on unpaid and paid losses and loss expenses to the extent that any of our reinsurers are unable or unwilling to pay claims.

Reinsurance recoverables on unpaid losses and loss expenses ("reinsurance recoverables") for each of the reportable segments, segregated between case reserves and IBNR, by reserve class are shown below:

20252024
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property$203,976$322,431$526,407$206,654$269,708$476,362
Casualty1,022,8832,895,5403,918,423851,5973,075,2673,926,864
Specialty other157,049281,751438,800134,308258,621392,929
Total Insurance1,383,9083,499,7224,883,6301,192,5593,603,5964,796,155
Reinsurance segment:
Casualty1,470,8251,826,4633,297,288484,2201,122,5861,606,806
Specialty171,994230,580402,57475,482155,906231,388
Run-off188,393179,878368,271112,28894,260206,548
Total Reinsurance1,831,2122,236,9214,068,133671,9901,372,7522,044,742
Total$3,215,120$5,736,643$8,951,763$1,864,549$4,976,348$6,840,897

At December 31, 2025, reinsurance recoverables as a percentage of loss reserves was 49% (2024: 40%).

The recognition of reinsurance recoverables requires two key estimates as follows:

•The first estimate is the amount of loss reserves to be ceded to our reinsurers. This amount consists of amounts related to case reserves and amounts related to IBNR. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

•The second estimate is the amount of the reinsurance recoverable balance that we believe ultimately will not be collected from reinsurers. We are selective in choosing reinsurers, buying reinsurance principally from reinsurers with a strong financial condition and industry ratings. The amount we ultimately collect may differ from our estimate due to the ability and willingness of reinsurers to pay claims, which may be negatively impacted by factors such as insolvency, contractual disputes over contract language or coverage and/or other reasons. In addition, economic conditions and/or operational performance of a particular reinsurer may deteriorate, and this could also affect the ability and willingness of a reinsurer to meet their contractual obligations.

We review reinsurance recoverables at least quarterly to estimate an allowance for expected credit losses. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

At December 31, 2025, the allowance for expected credit losses was $40 million (2024: $43 million). We have not written off any significant reinsurance recoverable balances in the last three years.

At December 31, 2025, the use of different assumptions could have a material effect on the allowance for expected credit losses. To the extent the creditworthiness of our reinsurers deteriorates due to an adverse event affecting the reinsurance industry, such as a large number of catastrophes, uncollectible amounts could be significantly greater than the allowance for expected credit losses. Given the various considerations used to estimate the allowance for expected credit losses, we cannot precisely quantify the effect a specific industry event may have on the allowance for expected credit losses.

At December 31, 2025, the three largest balances by reinsurer accounted for 20%, 8% and 4% (2024: 12%, 7% and 5%) of reinsurance recoverable on unpaid and paid losses and loss expenses.

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At December 31, 2025, amounts recoverable from reinsurers included 31% that is fully collateralized, 65% that is recoverable from reinsurers rated A- or higher by A.M. Best and 4% that is recoverable from reinsurers rated lower than A- by A.M. Best (2024: 17%, 81% and 2%, respectively).

Refer to Item 8, Note 12 to the Consolidated Financial Statements 'Commitments and Contingencies' for an analysis of the credit risk associated with reinsurance recoverables.

Gross Premiums Written

Revenues primarily relate to premiums generated by our underwriting operations. The basis for recognizing gross premiums written varies by policy or contract type. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

Insurance Segment

For the majority of our insurance business, a fixed premium that is identified in the policy is recorded at the inception of the policy. This premium is adjusted if underlying insured values change. We actively monitor underlying insured values, and any adjustments to premiums are recognized in the period in which they are determined. Gross premiums written on a fixed premium basis accounted for 94% of the segment’s gross premiums written for the years ended December 31, 2025 and 2024. Some of this business is written through MGAs, third parties granted authority to bind risks on our behalf in accordance with our underwriting guidelines. For this business, premiums are recorded based on monthly or quarterly statements received from MGAs or best estimates based on historical experience.

The remainder of our insurance business is written on a line slip or proportional basis, where we assume an agreed proportion of the premiums and losses of a particular risk or group of risks along with other unrelated insurers. As premiums for this business are not identified in the policy, premiums are recognized at the inception of the policy based on estimates provided by clients through brokers (refer to 'Reinsurance Segment' below for further details). We review these premium estimates on a quarterly basis and any adjustments to premium estimates are recognized in the period in which they are determined. Gross premiums written on a line slip or proportional basis accounted for 6% of the segment’s gross premiums written for the years ended December 31, 2025 and 2024.

For the credit and political risk line of business, we write certain policies on a multi-year basis. Premiums in respect of these policies are recorded at the inception of the policy based on management’s best estimate of premiums to be received, including assumptions relating to prepayments/refinancing. At December 31, 2025, the average duration of unearned premiums for credit and political risk line of business was 5.5 years (2024: 5.6 years).

Reinsurance Segment

The reinsurance segment provides cover to cedants (i.e., insurance companies) on an excess of loss or on a proportional basis. In most cases, cedants seek protection from us for business that they have not yet written at the time they enter into agreements with us. Therefore, cedants must estimate their underlying premiums when purchasing reinsurance cover from us.

Excess of loss reinsurance contracts with cedants typically include minimum or deposit premium provisions. For excess of loss reinsurance contracts, minimum or deposit premiums are generally considered to be the best estimate of premiums at the inception of the contract. The minimum or deposit premium is normally adjusted at the end of the contract period to reflect changes in the underlying risks in force during the contract period. Any adjustments to minimum or deposit premiums are recognized in the period in which they are determined. Gross premiums written for excess of loss reinsurance contracts accounted for 35% and 40% of the reinsurance segment’s gross premiums written for the years ended December 31, 2025 and 2024, respectively.

For proportional reinsurance contracts, premiums are recognized at the inception of the contract based on estimates to be received from ceding companies. We review these premium estimates on a quarterly basis and evaluate their reasonability in light of premiums reported by cedants. Factors contributing to changes in initial premium estimates may include:

•changes in renewal rates or rates of new business accepted by cedants (changes could result from changes in the relevant insurance market that could affect more than one of our cedants or could be a consequence of changes in the marketing strategy or risk appetite of an individual cedant);

•changes in underlying exposure values; and/or

•changes in rates being charged by cedants.

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As a result of this review process, any adjustments to premium estimates are recognized in the period in which they are determined. Changes in premium estimates could be material to gross premiums written in the period. Changes in premium estimates could also be material to net premiums earned in the period in which they are determined, as any adjustment may be substantially or fully earned. Gross premiums written for proportional reinsurance contracts, including adjustments to premium estimates established in prior years, accounted for 65% and 60% of the reinsurance segment’s gross premiums written for the years ended December 31, 2025 and 2024, respectively.

Gross premiums written for proportional reinsurance contracts incepting during the year were as follows:

Year ended December 31,202520242023
Liability$426,345$365,854$356,022
Professional lines371,089343,208280,381
Motor101,23240,84868,136
Accident and health243,550310,907298,577
Credit and surety263,395205,393169,297
Agriculture154,367140,71499,806
Marine and aviation28,23630,91619,839
Run-off lines
Catastrophe1,343
Property2932973,000
Engineering
Total run-off lines2932974,343
Total estimated premiums$1,588,507$1,438,137$1,296,401
Gross premiums written (reinsurance segment)$2,465,308$2,390,304$2,215,761
As a % of total gross premiums written64%60%59%

Historical experience has shown that cumulative adjustments to initial premium estimates for proportional reinsurance contracts have ranged from (3%) to 10% over the last 5 years.

We believe that a reasonably likely change to 2025 initial premium estimates for proportional reinsurance contracts would be 2% in either direction. A change in initial premium estimates of this magnitude would result in a change in gross premiums written of approximately $32 million. A change in initial premium estimates of this magnitude would not have a material impact on pre-tax net income. Larger variations, positive or negative, are possible.

Net Premiums Earned

Premiums are earned over the period during which we are exposed to the underlying risk. Changes in circumstances subsequent to the inception of contracts can impact the earning periods. For example, when exposure limits for a contract are reached, any associated unearned premiums are fully earned. This can have a significant impact on net premiums earned, particularly for multi-year contracts such as those in the credit and political risk line of business.

Fixed premium insurance policies and excess of loss reinsurance contracts are generally written on a "losses occurring" or "claims made" basis over the term of the contract. Consequently, premiums are earned evenly over the contract term, which is generally 12 months.

Line slip or proportional insurance policies and proportional reinsurance contracts are generally written on a "risks attaching" basis, covering claims that relate to the underlying policies written during the terms of these contracts. As the underlying business incepts throughout the contract term which is typically one year, and the underlying business typically has a one year coverage period, these premiums are generally earned evenly over a 24-month period.

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Fair Value Measurements of Financial Assets and Liabilities

Fair value is defined as the price to sell an asset or transfer a liability (i.e., the "exit price") in an orderly transaction between market participants. Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for information on the valuation techniques, including significant inputs and assumptions generally used in estimating the fair values of our financial instruments.

Fixed Maturities and Equity Securities

At December 31, 2025, the fair values of 95% (2024: 94%) of total fixed maturities and equity securities were based on prices provided by globally recognized independent pricing services where we have a current and detailed understanding of how their prices were derived. The remaining securities were priced by either non-binding broker quotes or internal valuation models.

Generally, we obtain quotes directly from broker-dealers who are active in the corresponding markets when prices are unavailable from independent pricing services. This may also be the case if the pricing from pricing services is not reflective of current market levels, as detected by our pricing control tolerance procedures. Generally, broker-dealers value securities through their trading desks based on observable market inputs. Their pricing methodologies include mapping securities based on trade data, bids or offers, observed spreads and performance on newly issued securities. They may also establish pricing through observing secondary trading of similar securities.

At December 31, 2025 and 2024, we did not adjust any pricing provided by independent pricing services.

Management Pricing Validation

While we obtain pricing from independent pricing services and/or broker-dealers, management is ultimately responsible for determining the fair value measurements of all securities. To ensure fair value measurement is applied consistently and in accordance with U.S. GAAP, annually, we update our understanding of the pricing methodologies used by the pricing services and broker-dealers.

We also challenge any prices we believe may not be representative of fair value under current market conditions. Our review process includes, but is not limited to:

•initial and ongoing evaluation of the pricing methodologies and valuation models used by outside parties to calculate fair value;

•quantitative analysis;

•a review of multiple quotes obtained in the pricing process and the range of resulting fair values for each security, if available; and

•randomly selecting purchased or sold securities and comparing the executed prices to the fair value estimates provided by the independent pricing sources and broker-dealers.

Other Investments

Multi-strategy Funds, Direct Lending Funds, Private Equity Funds and Real Estate Funds

The fair values of multi-strategy funds, direct lending funds, private equity funds and real estate funds are estimated using net asset values (NAVs) as advised by external fund managers or third-party administrators. At December 31, 2025, the estimated fair value of our investments in these funds was $854 million (2024: $808 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

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Other Privately Held Investments

Other privately held investments include common shares, preferred shares, convertible notes, convertible preferred shares, investments in limited partnerships (refer to "private company investment funds" below), and a variable yield security.

These investments are initially valued at cost, which approximates fair value. In subsequent measurement periods, the fair values of these investments are derived from one or a combination of valuation methodologies which consider factors including recent capital raises by the investee companies, comparable precedent transaction multiples, comparable publicly traded multiples, third-party valuations, discounted cash-flow models, and other techniques that consider the industry and development stage of each investee company. The fair value of the variable yield security was determined using an externally developed discounted cash flow model.

At December 31, 2025, the estimated fair value of these investments was $124 million (2024: $92 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Other privately held investments includes investments in private company investment funds focusing on financial services technology companies with an emphasis on insurance technology companies ("private company investment funds").

The fair values of private company investment funds are estimated using NAVs as advised by external fund managers or third-party administrators. At December 31, 2025, the estimated fair value of our investments in these funds was $50 million (2024: $30 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale

Fixed maturities classified as available for sale are reported at fair value at the balance sheet date and are presented net of an allowance for expected credit losses. Our available for sale ("AFS") investment portfolio is the largest component of total assets, and it is a multiple of shareholders’ equity. As a result, impairment losses could be material to our results of operations and financial condition particularly during periods of dislocation in financial markets.

A fixed maturity, available for sale security is impaired if the fair value of the investment is below amortized cost. On a quarterly basis, the Company evaluates all fixed maturities, available for sale for impairment losses.

Details regarding our processes for the identification of impairments of fixed maturities, available for sale and the recognition of the related impairment losses are disclosed in Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies'.

In addition, the methodologies and significant inputs used to estimate the allowance for expected credit losses are disclosed in Item 8, Note 5(i) to the Consolidated Financial Statements 'Investments'.

At December 31, 2025, we recorded an allowance for expected credit losses of $2 million (2024: $4 million) and for the year ended December 31, 2025, we recorded impairment losses of $2 million (2024: $nil) (refer to 'Net Investment Income and Net Investment Gains (Losses)' for further details). The allowance for expected credit loss is charged to net income (loss) and is included in net investment gains (losses) in the consolidated statements of operations.

Intent or Requirement to Sell

From time to time, we may sell fixed maturities, available for sale subsequent to the balance sheet date that we did not intend to sell at the balance sheet date. Conversely, we may not sell fixed maturities, available for sale that we intended to sell at the balance sheet date. These changes in intent may arise due to events occurring subsequent to the balance sheet date. The types of events that may result in a change in intent include, but are not limited to, significant changes in the economic facts and circumstances related to the specific issuer, changes in liquidity needs, or changes in tax laws or the regulatory environment.

U.S. Treasury Securities and Other Highly Rated Debt Instruments

Our credit impairment review process excludes fixed maturities, available for sale guaranteed, either explicitly or implicitly, by the U.S. government and its agencies (U.S. Government, U.S. Agency and U.S. Agency RMBS) because we anticipate these securities will not be settled below amortized cost. These securities are evaluated for intent or requirement to sell at a loss.

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RECENT ACCOUNTING PRONOUNCEMENTS

At December 31, 2025, there were no recently issued accounting pronouncements that we have not yet adopted that we expect could have a material impact on our results of operations, financial condition or liquidity.

MD&A history

Prior-year 10-K MD&A spans are extracted from SEC filings with the same bounded parser used for the latest filing. The latest 10-K appears above; prior years are below.

FY 2024 10-K MD&A

SEC filing source: 0001214816-25-000056.

Extracted structurally from real Item 7 body heading to real Item 7A/8 boundary. Confidence: high. Filing date: 2025-02-26. Report date: 2024-12-31.

ITEM 7.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following is a discussion and analysis of our results of operations for the years ended December 31, 2024 and 2023, and our financial condition at December 31, 2024 and 2023. This should be read in conjunction with Item 8 'Financial Statements and Supplementary Data' of this report. Unless otherwise noted, tabular dollars are in thousands, except per share amounts. Amounts may not reconcile due to rounding differences.

Page
2024 Financial Highlights59
Overview60
Consolidated Results of Operations63
Results by Segment:
i) Insurance Segment65
ii) Reinsurance Segment69
Net Investment Income and Net Investment Gains (Losses)73
Other Expenses (Revenues), Net76
Financial Measures78
Non-GAAP Financial Measures Reconciliation80
Cash and Investments84
Liquidity and Capital Resources91
Critical Accounting Estimates97
i) Reserve for Losses and Loss Expenses98
ii) Reinsurance Recoverable on Unpaid Losses and Loss Expenses104
iii) Gross Premiums Written105
iv) Net Premiums Earned107
v) Fair Value Measurements of Financial Assets and Liabilities108
vi) Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale109
Recent Accounting Pronouncements110

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2024 FINANCIAL HIGHLIGHTS

2024 Consolidated Results of Operations

•Net income available to common shareholders of $1.1 billion, or $12.49 per common share, and $12.35 per diluted common share

•Operating income(1) of $952 million, or $11.18 per diluted common share(1)

•Gross premiums written of $9.0 billion

•Net premiums written of $5.8 billion

•Net premiums earned of $5.3 billion

•Pre-tax catastrophe and weather-related losses, net of reinsurance, of $226 million ($182 million, after-tax), (Insurance: $216 million; Reinsurance: $10 million), or 4.3 points including $111 million or 2.1 points attributable to Hurricanes Milton, Helene and Beryl, together with $13 million, or 0.3 points attributable to the Red Sea Conflict.

•Net favorable prior year reserve development of $24 million

•Underwriting income(2) of $571 million and combined ratio of 92.3%

•Net investment income of $759 million

•Net investment losses of $139 million

•Foreign exchange gains of $51 million

•Reorganization expenses of $26 million

•Income tax benefit of $56 million, inclusive of a net deferred tax benefit of $177 million attributable to Bermuda's Corporate Income Tax Act 2023. Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Overview – Recent Developments – Bermuda Corporate Income Tax Act 2023 for further details.

2024 Consolidated Financial Condition

•Total cash and investments of $18.0 billion; fixed maturities, short-term investments, and cash and cash equivalents comprise 88% of total cash and investments and have an average credit rating of AA-

•Total assets of $32.5 billion

•Reserve for losses and loss expenses of $17.2 billion and reinsurance recoverable on unpaid and paid losses and loss expenses of $7.4 billion.

•Debt of $1.3 billion and a debt to total capital ratio(3) of 17.8%

•Total common shares repurchased were 3.1 million shares for a total of $216 million, including $200 million repurchased pursuant to our Board-authorized share repurchase program, and $16 million from employees to facilitate the satisfaction of their personal withholding tax liabilities that arise on vesting of share-settled restricted stock units

•Common shareholders’ equity of $5.5 billion; book value per diluted common share of $65.27

(1) Operating income (loss) and operating income (loss) per diluted common share are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. The reconciliations to the most comparable GAAP financial measures, net income (loss) available (attributable) to common shareholders and earnings (loss) per diluted common share, respectively, and a discussion of the rationale for the presentation of these items are provided in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, net income (loss), is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations', and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)The debt to total capital ratio is calculated by dividing debt by total capital. Total capital represents the sum of total shareholders’ equity and debt.

59

OVERVIEW

Business Overview

AXIS Capital, through its operating subsidiaries, is a global specialty underwriter and provider of insurance and reinsurance solutions with operations in Bermuda, the U.S., Europe, Singapore and Canada. Our underwriting operations are organized around our global underwriting platforms, AXIS Insurance and AXIS Re.

We provide our clients and distribution partners with a broad range of risk transfer products and services, and strong capacity, backed by excellent financial strength. We manage our portfolio holistically, aiming to construct the optimum portfolio of risks, consistent with our risk appetite and the development of our franchise. We nurture an ethical, entrepreneurial, disciplined and diverse culture that promotes outstanding client service, intelligent risk taking, operating efficiency, corporate citizenship and the achievement of superior risk-adjusted returns for our shareholders. We believe that the achievement of our objectives will position us as a global specialty underwriting leader. The execution of our business strategy in 2024 included the following:

•growing in a number of attractive specialty lines insurance and treaty reinsurance markets including U.S. excess and surplus lines and Lloyd's specialty insurance business;

•re-balancing our portfolio towards less volatile lines of business, that carry attractive returns while deploying capital within risk limit tolerance, diversification criteria and risk management strategy;

•investing in attractive growth markets and advancing capabilities to address more transactional specialist business targeting the lower middle market with our key distribution partners;

•leveraging our global platform to introduce our products and services to new regions including the continued expansion of our North America product capabilities;

•continuing the implementation of a more focused distribution strategy while building mutually beneficial relationships with clients and partners;

•improving the effectiveness and efficiency of our operating platforms and processes through our "How We Work" program;

•investing in data and technology, and exploring AI capabilities and tools, to empower our underwriters and enhance the service that we provide to our customers;

•utilizing reinsurance markets and third-party capital relationships;

•fostering a positive workplace environment that enables us to attract, retain and develop top talent; and

•growing our corporate citizenship program to support our communities and help contribute to a more sustainable future.

For discussion of our results of operations and changes in financial condition for year ended December 31, 2023, compared to year ended December 31, 2022, refer to Part II, Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in our 2023 Form 10-K, which was filed with the SEC on February 27, 2024, and such discussions are incorporated herein by reference.

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Outlook

We are executing on our commitment to advance AXIS as a specialty underwriting leader that delivers consistent, profitable growth. Our market positioning, diversified book of business, specialty underwriting acumen, global platform, claims management capabilities, and deep distribution relationships, supported by a conservative and well performing investment portfolio, provide the foundation for additional profitable growth in select specialty markets.

The overall outlook for the property and casualty market continues to be largely favorable for specialty insurance and reinsurance carriers. Looking at the trends impacting our business:

•Following multiple years of rate increases outpacing loss cost trends across the specialty sector, pricing is now more moderate, with the exception of casualty lines, due to the emergence of new capital in areas where the market has performed particularly well. We will continue to lean into sectors, and sub sectors, where premium adequacy metrics remain strong and where we see market dislocations creating opportunity for profitable growth.

•The wholesale channel continues to experience submission growth due to continued dislocations in the standard lines markets. This dynamic enables specialty carriers to target growth opportunities with a disciplined underwriting appetite and strategy.

•Pricing momentum in non-proportional reinsurance continues while our proportional reinsurance business is benefiting from rate increases in the underlying business. While we expect these market conditions to persist, we are seeing nuances by line of business with motor and marine lines under the most pressure. We continue to focus on underwriting discipline and targeted profitable growth.

Across the business, we will continue to pursue attractive opportunities by employing a focused underwriting strategy and selective appetite. Where price continues to deliver adequate profitability, we will look to grow within our risk and volatility guidelines. With a strengthened book of business, and an expanding footprint in attractive specialty markets, we believe AXIS remains positioned to drive profitable growth in 2025 and beyond.

Recent Developments

Share Repurchase program

On February 6, 2025, authorization under the Company's share repurchase program approved in May 2024 (refer to Item 8, Note 15 to the Consolidated Financial Statements 'Shareholders' Equity') was exhausted.

On February 19, 2025, the Company's Board of Directors approved a new share repurchase program for up to $400 million of the Company's common shares. The new share repurchase program is open-ended, allowing the Company to repurchase its shares from time to time in the open market or privately negotiated transactions, depending on market conditions.

Loss Portfolio Transfer Reinsurance Agreement with Enstar

On December 13, 2024, we entered into a loss portfolio transfer reinsurance agreement with Cavello Bay Reinsurance Limited, a wholly-owned subsidiary of Enstar Group Limited ("Enstar") to retrocede a portfolio of reinsurance business predominantly related to 2021 and prior underwriting years (refer to Item 8, Note 18 to the Consolidated Financial Statements 'Related Party Transactions' for further details). The transaction is subject to regulatory approvals and other customary conditions and is expected to close during the first half of 2025.

The transaction is structured as a 75% ground-up quota share retrocession of net reserves for losses and loss expenses of approximately $3.1 billion at September 30, 2024 and provides cover up to a policy limit of approximately $940 million. The transaction is deemed to have met the established criteria for retroactive reinsurance accounting (refer to Item 8, Note 9 to the Consolidated Financial Statements 'Reinsurance' for further details).

Under the terms of the loss portfolio transfer reinsurance agreement, we will retain responsibility for the management of claims.

Although retroactive reinsurance accounting may result in volatility to our results in the short-term, the loss portfolio transfer reinsurance agreement will protect us from prior year reserve development on the subject business over the contract term, provided this remains within the limit of the agreements.

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AXIS Syndicate 2050

On April 1, 2024, AXIS Energy Transition Syndicate 2050 ("Syndicate 2050") which is dedicated to providing capacity for new energy projects with a critical role in supporting the transition to net zero, commenced underwriting. AXIS Corporate Capital UK II Limited is the sole corporate member of Syndicate 2050. AXIS Managing Agency operates as managing agent for Syndicate 2050.

How We Work Program

Reorganization expenses of $26 million incurred in 2024 primarily related to severance costs attributable to our "How We Work" program which is focused on simplifying our operating structure.

Bermuda Corporate Income Tax Act of 2023

On December 27, 2023, the Bermuda government enacted the Corporate Income Tax Act 2023 (the "Act") which will apply a corporate income tax of 15% for fiscal years beginning on or after January 1, 2025. The Act includes a provision referred to as the economic transition adjustment ("Bermuda ETA"), which is intended to provide a fair and equitable transition into the tax regime. Pursuant to the Act and subsequently issued guidance, we recorded a net deferred tax asset of $177 million during the year ended December 31, 2024. Initially, we expected to utilize mainly over a ten-year period. We expect to incur increased taxes in Bermuda beginning in 2025. The Bermuda net deferred tax benefit is excluded from operating income (loss).

Organization for Economic Cooperation and Development ("OECD") Update

On January 15, 2025, the OECD issued guidelines that limit the use of the Bermuda ETA and similar assets in other jurisdictions in which we operate under GLoBE rules. The guidelines clarify the use of deferred tax assets under transition rules and limits the benefit of deferred tax assets relating to transactions that occurred after November 30, 2021. The guidelines seek to restrict the benefit of the Bermuda ETA to 20% of the balance at January 1, 2025 to be utilized in 2025 and 2026, thereafter GLoBE rules will ensure the balance of the asset is subject to the global minimum tax of 15%.

62

CONSOLIDATED RESULTS OF OPERATIONS

Year ended December 31,2024% Change2023% Change2022
Underwriting revenues:
Gross premiums written$9,005,8888%$8,356,5252%$8,214,595
Net premiums written5,757,35113%5,102,325(3%)5,263,056
Net premiums earned5,306,2354%5,083,781(1%)5,160,326
Other insurance related income30,72137%22,49572%13,073
Underwriting expenses:
Net losses and loss expenses(3,158,487)(7%)(3,393,102)5%(3,242,410)
Acquisition costs(1,070,551)7%(1,000,945)(2%)(1,022,017)
Underwriting-related general and administrative expenses(1)(536,442)(3%)(551,467)—%(550,289)
Underwriting income(2)571,476160,762358,683
Net investment income759,22924%611,74246%418,829
Net investment gains (losses)(138,534)86%(74,630)(84%)(456,789)
Corporate expenses(1)(129,760)(2%)(132,979)2%(130,054)
Foreign exchange (losses) gains50,822nm(58,115)nm157,945
Interest expense and financing costs(67,766)(1%)(68,421)8%(63,146)
Reorganization expenses(26,312)(9%)(28,997)(8%)(31,426)
Amortization of intangible assets(10,917)—%(10,917)—%(10,917)
Income before income taxes and interest in income of equity method investments1,008,238398,445243,125
Income tax (expense) benefit55,595nm(26,316)19%(22,037)
Interest in income of equity method investments17,953nm4,163nm1,995
Net income1,081,786376,292223,083
Preferred share dividends(30,250)—%(30,250)—%(30,250)
Net income available to common shareholders$1,051,536$346,042$192,833

nm – not meaningful is defined as a variance greater than +/-100%

(1)Underwriting-related general and administrative expenses is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to general and administrative expenses, the most comparable GAAP financial measure, also included corporate expenses of $130 million, $133 million, and $130 million for 2024, 2023, and 2022, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net' for further details on corporate expenses. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to net income (loss), the most comparable GAAP financial measure, is presented in the table above. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

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Underwriting Revenues

Underwriting revenues by segment were as follows:

Year ended December 31,2024% Change2023% Change2022
Gross premiums written:
Insurance$6,615,5848%$6,140,76410%$5,585,581
Reinsurance2,390,3048%2,215,761(16%)2,629,014
Total gross premiums written$9,005,8888%$8,356,5252%$8,214,595
Percent of gross premiums written ceded:
Insurance36%(3 pts)39%(1 pt)40%
Reinsurance37%(2 pts)39%11 pts28%
Total percent of gross premiums written ceded36%(3 pts)39%3 pts36%
Net premiums written:
Insurance$4,250,54513%$3,758,72011%$3,377,906
Reinsurance1,506,80612%1,343,605(29%)1,885,150
Total net premiums written$5,757,35113%$5,102,325(3%)$5,263,056
Net premiums earned:
Insurance$3,926,03613%$3,461,70010%$3,134,155
Reinsurance1,380,199(15%)1,622,081(20%)2,026,171
Total net premiums earned$5,306,2354%$5,083,781(1%)$5,160,326

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further details on underwriting revenues.

Combined Ratio

The components of the combined ratio were as follows:

Year ended December 31,2024% Point Change2023% Point Change2022
Current accident year loss ratio, excluding catastrophe and weather-related losses (1)55.7%(0.2)55.9%0.455.5%
Catastrophe and weather-related losses ratio(1)4.3%1.62.7%(5.1)7.8%
Current accident year loss ratio(1)60.0%1.458.6%(4.7)63.3%
Prior year reserve development ratio(0.5%)(8.6)8.1%8.6(0.5%)
Net losses and loss expenses ratio59.5%(7.2)66.7%3.962.8%
Acquisition cost ratio20.2%0.519.7%(0.1)19.8%
General and administrative expense ratio(2)12.6%(0.9)13.5%0.313.2%
Combined ratio92.3%(7.6)99.9%4.195.8%

(1)Current accident year loss ratio, catastrophe and weather-related losses ratio and current accident year loss ratio, excluding catastrophe and weather-related losses are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. The reconciliations to the most comparable GAAP financial measure, net losses and loss expenses ratio is provided above and a discussion of the rationale for the presentation of these items are provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(2)The general and administration expense ratio included corporate expenses not allocated to underwriting segments of 2.4%, 2.6% and 2.5% for 2024, 2023 and 2022, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net' for further details.

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further details on underwriting expenses.

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RESULTS BY SEGMENT

Insurance Segment

Results for the insurance segment were as follows:

Year ended December 31,2024% Change2023% Change2022
Revenues:
Gross premiums written$6,615,5848%$6,140,76410%$5,585,581
Net premiums written4,250,54513%3,758,72011%3,377,906
Net premiums earned3,926,03613%3,461,70010%3,134,155
Other insurance related income (loss)94nm(198)nm559
Expenses:
Current accident year net losses and loss expenses(2,261,629)(1,903,648)(1,802,204)
Prior year reserve development16,209(176,353)16,350
Acquisition costs(766,915)(648,463)(577,838)
Underwriting-related general and administrative expenses(485,929)(472,094)(443,704)
Underwriting income$427,866$260,944$327,318
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses52.1%0.351.8%0.851.0%
Catastrophe and weather-related losses ratio5.5%2.33.2%(3.3)6.5%
Current accident year loss ratio57.6%2.655.0%(2.5)57.5%
Prior year reserve development ratio(0.4%)(5.5)5.1%5.6(0.5%)
Net losses and loss expenses ratio57.2%(2.9)60.1%3.157.0%
Acquisition cost ratio19.5%0.818.7%0.318.4%
Underwriting-related general and administrative expense ratio12.4%(1.3)13.7%(0.5)14.2%
Combined ratio89.1%(3.4)92.5%2.989.6%

nm – not meaningful

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Gross Premiums Written

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2024202320222023 to 20242022 to 2023
Professional lines$1,162,32318%$1,140,69519%$1,322,96624%2%(14%)
Property2,050,32931%1,736,58628%1,357,48924%18%28%
Liability1,251,60319%1,256,95120%1,138,64520%%10%
Cyber561,9378%649,16011%644,74612%(13%)1%
Marine and aviation815,16812%771,16213%652,68712%6%18%
Accident and health450,8107%333,5595%258,3995%35%29%
Credit and political risk323,4145%252,6514%210,6493%28%20%
Total$6,615,584100%$6,140,764100%$5,585,581100%8%10%

Gross premiums written in 2024 increased by $475 million, or 8% ($457 million, or 7%, on a constant currency basis(1)), compared to 2023. The increase was primarily attributable to property, accident and health, credit and political risk, marine and aviation, and professional lines, partially offset by decreases in cyber and liability lines.

The increase in property lines was due to new business, a higher level of premiums and increased rate associated with renewed business and increased lines sizes on several programs.

The increase in accident and health lines was primarily driven by new pet insurance business, a higher level of premiums and increased rate associated with renewed pet insurance business and premium adjustments related to several contracts at Lloyds, partially offset by non-renewals.

The increase in credit and political risk lines was attributable to new surety program business and new credit business at Lloyds, partially offset by non-renewals associated with the exit from Singapore in January 2024 and non-renewals of political risk business at Lloyds.

The increase in marine and aviation lines was related to new marine liability business, premium adjustments principally associated with marine war business written on a line slip basis, new business and the timing of renewals of marine offshore energy business and favorable rate changes in marine business as well as aviation business, partially offset by fewer business opportunities and the timing of renewals of marine offshore renewable energy business.

The increase in professional lines was attributable to higher level of activity in transactional liability business, partially offset by a decrease in U.S. public D&O business reflecting weaker pricing in that market.

The decrease in cyber lines was due to lower levels of premiums associated with the cancellation of two significant programs, and premium adjustments related to business written on a line slip basis, partially offset by a higher level of premiums associated with renewed business.

The decrease in liability lines was driven by underwriting actions taken to reposition the U.S. primary casualty portfolio, and a lower level of premiums associated with the cancellation of a significant program, partially offset by favorable rate change and new business associated with U.S. excess casualty business.

(1) Amounts presented on a constant currency basis are non-GAAP financial measures as defined in Item10 (e) of SEC Regulation S-K. The constant currency basis is calculated by applying the average foreign exchange rate from the current year to the prior year balance.

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Ceded Premiums Written

Ceded premiums written in 2024 were $2,365 million, or 36% of gross premiums written, compared to $2,382 million, or 39% in 2023. The decrease in ceded premiums written of $17 million, or 1% was primarily driven by decreases in cyber and professional lines, partially offset by increases in accident and health, property, credit and political risk, marine and aviation and liability lines.

The decreases in cyber, and professional lines were due to the restructuring of significant existing quota share treaties. The decrease in cyber lines also reflected the decrease in gross premiums written for 2024, compared to 2023.

The increase in accident and health lines was driven by a new quota share treaty and reflected the increase in gross premiums written for 2024, compared to 2023.

The increase in property lines reflected the increase in gross premiums written for 2024, compared to 2023, partially offset by the restructuring of a significant existing quota share treaty.

The increase in credit and political risk lines reflected the increase in gross premiums written for 2024, compared to 2023.

The increase in marine and aviation lines was attributable to reinstatement premiums associated with losses and loss expenses in 2024.

Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2024202320222023 to 20242022 to 2023
Professional lines$817,53521%$764,55822%$817,92426%7%(7%)
Property1,139,30828%878,84926%755,98624%30%16%
Liability494,56113%496,38114%459,77515%%8%
Cyber347,8429%323,0259%309,00410%8%5%
Marine and aviation614,82616%567,29216%479,49915%8%18%
Accident and health360,8949%306,0619%209,5487%18%46%
Credit and political risk151,0704%125,5344%102,4193%20%23%
Total$3,926,036100%$3,461,700100%$3,134,155100%13%10%

Net premiums earned in 2024 increased by $464 million, or 13%, compared to 2023. The increase was primarily driven by increases in gross premiums earned in property, accident and health, marine and aviation, and credit and political risk lines, together with decreases in ceded premiums earned in professional lines and cyber lines. These amounts were partially offset by increases in ceded premiums earned in property, credit and political risk, accident and health, and marine and aviation lines together with decreases in gross premiums earned in professional lines and cyber lines.

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Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2024% Point Change2023% Point Change2022
Current accident year loss ratio57.6%2.655.0%(2.5)57.5%
Prior year reserve development ratio(0.4%)(5.5)5.1%5.6(0.5%)
Loss ratio57.2%(2.9)60.1%3.157.0%

Current Accident Year Loss Ratio

The current accident year loss ratio increased to 57.6% in 2024 from 55.0% in 2023. The increase in the current accident year loss ratio was impacted by a higher level of catastrophe and weather-related losses.

During 2024, catastrophe and weather-related losses, net of reinsurance, were $216 million, or 5.5 points, including natural catastrophe and weather-related losses of $203 million, or 5.2 points, primarily attributable to Hurricanes Milton, Helene, and Beryl, and other weather-related events. The remaining losses of $13 million, or 0.3 points were attributable to the Red Sea Conflict.

Comparatively, in 2023, catastrophe and weather-related losses, net of reinsurance, were $111 million, or 3.2 points, primarily attributable to the conflict in the Middle East, the Earthquake in Turkey, Maui wildfires, Cyclone Gabrielle, Typhoon Mawar and other weather-related events.

Adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio increased to 52.1% in 2024 from 51.8% in 2023. The increase was principally due to higher loss ratios in liability and cyber lines, partially offset by the change in business mix attributable to the increase in property business written in recent periods which is associated with a relatively lower loss ratio.

Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details of prior year reserve development by segment, line of business and accident year.

Acquisition Cost Ratio

The acquisition cost ratio increased to 19.5% in 2024 from 18.7% in 2023, primarily related to an increase in profit commission expense driven by improved loss performance mainly in accident and health lines, and a decrease in ceding commissions due to changes in business mix driven by the decrease in professional lines business written in recent periods which is associated with relatively higher ceding commissions and the increase in property business written in recent periods which is associated with relatively lower ceding commissions.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio decreased to 12.4% in 2024 from 13.7% in 2023, mainly driven by increases in net premiums earned, partially offset by an increase in performance-related compensation costs.

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Reinsurance Segment

Results for the reinsurance segment were as follows:

Year ended December 31,2024% Change2023% Change2022
Revenues:
Gross premiums written$2,390,3048%$2,215,761(16%)$2,629,014
Net premiums written1,506,80612%1,343,605(29%)1,885,150
Net premiums earned1,380,199(15%)1,622,081(20%)2,026,171
Other insurance related income30,62735%22,69381%12,514
Expenses:
Current accident year net losses and loss expenses(921,181)(1,077,572)(1,465,739)
Prior year reserve development8,114(235,529)9,183
Acquisition costs(303,636)(352,482)(444,179)
Underwriting-related general and administrative expenses(50,513)(79,373)(106,585)
Underwriting income (loss)$143,610$(100,182)$31,365
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses66.0%1.264.8%2.262.6%
Catastrophe and weather-related losses ratio0.7%(0.9)1.6%(8.1)9.7%
Current accident year loss ratio66.7%0.366.4%(5.9)72.3%
Prior year reserve development ratio(0.5%)(15.1)14.6%15.0(0.4%)
Net losses and loss expenses ratio66.2%(14.8)81.0%9.171.9%
Acquisition cost ratio22.0%0.321.7%(0.2)21.9%
Underwriting-related general and administrative expense ratio3.6%(1.3)4.9%(0.4)5.3%
Combined ratio91.8%(15.8)107.6%8.599.1%

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Gross Premiums Written:

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2024202320222023 to 20242022 to 2023
Liability$616,33326%$642,80129%$719,83127%(4%)(11%)
Accident and health436,29618%396,66818%411,89116%10%(4%)
Professional lines421,84618%379,22217%400,80715%11%(5%)
Credit and surety417,71717%351,08316%298,56511%19%18%
Motor238,96110%201,4669%239,7949%19%(16%)
Agriculture150,3736%126,3006%128,0125%19%(1%)
Marine and aviation82,2743%62,2603%93,3714%32%(33%)
Run-off lines
Catastrophe10,8231%30,1751%222,8109%(64%)(86%)
Property3,130%21,5131%103,4924%(85%)(79%)
Engineering12,5511%4,273%10,441%nm(59%)
Total run-off lines26,5042%55,9612%336,74313%(53%)(83%)
Total$2,390,304100%$2,215,761100%$2,629,014100%8%(16%)

nm – not meaningful

Gross premiums written in 2024 increased by $175 million, or 8%, compared to 2023. The increase was primarily attributable to credit and surety, professional lines, accident and health, motor, agriculture, marine and aviation, and engineering lines, partially offset by decreases in liability, catastrophe and property lines.

The increase in credit and surety lines was driven by new business, including new structured credit and political risk business and new mortgage business, together with premium adjustments associated with mortgage business.

The increase in professional lines was attributable to new cyber business and increased line sizes on a several cyber contracts, partially offset by negative premium adjustments associated with challenging market conditions in 2024, compared to positive premium adjustments associated with favorable market conditions in 2023, non-renewals of several under-performing contracts and the timing of renewals of two significant contracts.

The increase in accident and health lines was due to new business and positive premium adjustments in 2024, compared to the negative premium adjustments in 2023, partially offset by decreased line sizes on several contracts.

The increase in motor lines was attributable to the timing of the renewal of a significant proportional contract and new non-proportional business associated with favorable market conditions, a higher level of positive premium adjustments related to non-proportional business associated with favorable market conditions in 2024, compared to 2023, together with the impact of foreign exchange movements, partially offset by non-renewals and decreased line sizes on several proportional contracts associated with repositioning the portfolio.

The increase in agriculture lines was due to new business and increased line sizes on several contracts, partially offset by negative premium adjustments associated with challenging market conditions in 2024, compared to positive premium adjustments in 2023.

The increase in marine and aviation lines was driven by new proportional and non-proportional marine business.

The increase in engineering lines was due to a higher level of positive prior year premium adjustments in 2024, compared to 2023.

The decrease in liability lines was related to the restructuring of several significant contracts, a lower level of U.S. exposed risks, and a lower level of positive premium adjustments in 2024, compared to 2023, partially offset by new business.

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The decreases in catastrophe and property lines were attributable to the exit from these lines of business in June 2022.

Ceded Premiums Written

Ceded premiums written in 2024 were $883 million, or 37%, of gross premiums written, compared to $872 million, or 39%, in 2023. The increase in ceded premiums written of $11 million, or 1%, was primarily driven by increases in credit and surety, accident and health, motor and agriculture lines, partially offset by decreases in liability, professional lines and catastrophe lines.

The increase in credit and surety lines reflected the increase in gross premiums written for 2024, compared to 2023, and the restructuring of a significant quota share retrocession treaty with a strategic capital partner, partially offset by the non-renewal of a significant quota share retrocession treaty.

The increase in accident and health lines reflected the increase in gross premiums written for 2024, compared to 2023.

The increase in motor lines reflected the increase in gross premiums written for 2024, compared to 2023, partially offset by the restructuring of a significant quota share retrocession treaty with a strategic capital partner.

The increase in agriculture lines was related to premiums ceded to a new whole account quota share retrocessional treaty.

The decrease in liability lines was attributable to the restructuring of significant quota share retrocession treaties with strategic capital partners and the decrease in gross premiums written for 2024, compared to 2023.

The decrease in professional lines was driven by the restructuring of significant quota share retrocession treaties with strategic capital partners, partially offset by the increase in gross premiums written for 2024, compared to 2023.

The decrease in catastrophe lines reflected the decrease in gross premiums written for 2024, compared to 2023 following the exit from this line of business in June 2022.

Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2024202320222023 to 20242022 to 2023
Liability$309,26522%$403,23925%$484,68124%(23%)(17%)
Accident and health322,93223%341,80621%368,74718%(6%)(7%)
Professional lines169,07412%205,40413%250,91112%(18%)(18%)
Credit and surety231,78017%236,40815%192,92610%(2%)23%
Motor123,5459%155,94210%205,77410%(21%)(24%)
Agriculture126,5499%121,6287%122,2896%4%(1%)
Marine and aviation64,6095%65,6584%78,5044%(2%)(16%)
Run-off lines
Catastrophe13,4122%33,9631%156,2327%(61%)(78%)
Property6,266%44,5083%135,4807%(86%)(67%)
Engineering12,7671%13,5251%30,6272%(6%)(56%)
Total run-off lines32,4453%91,9965%322,33916%(65%)(71%)
Total$1,380,199100%$1,622,081100%$2,026,171100%(15%)(20%)

Net premiums earned in 2024 decreased by $242 million, or 15%, ($225 million, or 14%, on a constant currency basis), compared to 2023. The decrease was primarily driven by increases in ceded premiums earned in liability, professional lines, accident and health, and motor lines, together with decreases in gross premiums earned in property, catastrophe and liability lines. These amounts were partially offset by a decrease in ceded premiums earned in catastrophe lines, together with increases in gross premiums earned in professional lines, and accident and health lines.

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Other Insurance Related Income (Loss)

Other insurance related income of $31 million in 2024, compared to other insurance related income of $23 million in 2023, an increase of $8 million, primarily driven by interest on loan advances to Monarch Point Re.

Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2024% Point Change2023% Point Change2022
Current accident year loss ratio66.7%0.366.4%(5.9)72.3%
Prior year reserve development ratio(0.5%)(15.1)14.6%15.0(0.4%)
Loss ratio66.2%(14.8)81.0%9.171.9%

Current Accident Year Loss Ratio

The current accident year loss ratio increased to 66.7% in 2024 from 66.4% in 2023.

During 2024, catastrophe and weather-related losses, net of reinsurance, were $10 million, or 0.7 points, primarily attributable to Hurricanes Milton and Helene and other weather-related events.

Comparatively, in 2023, catastrophe and weather-related losses, net of reinsurance, were $27 million, or 1.6 points, primarily attributable to Cyclone Gabrielle and other weather-related events.

Adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio increased to 66.0% in 2024 from 64.8% in 2023. The increase was principally due to a higher loss ratio in liability lines, partially offset by the impact of the loss expense related to the retrocession agreement entered into with Monarch Point Re reflected in the prior year.

Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details of prior year reserve development by segment, line of business and accident year.

Acquisition Cost Ratio

The acquisition cost ratio increased to 22.0% in 2024 from 21.7% in 2023, primarily related to adjustments attributable to loss-sensitive features driven by improved loss performance mainly in motor and liability lines.

In addition, an increase in costs associated with changes in business mix due to increases in credit and surety, and professional lines business written in the recent periods which is associated with relatively higher acquisition cost ratios together with decreases in property and catastrophe business written in the recent periods which is associated with relatively lower acquisition cost ratios, contributed to the increase in the acquisition cost ratio to 22.0% in 2024 from 21.7% in 2023.

The acquisition cost ratio in 2024 benefited from the impact of changes in business mix on retrocessional contracts driven by increases in credit and surety, and accident and health business written in recent periods together with the decrease in catastrophe business written in recent periods. In addition, the acquisition cost ratio in 2024 benefited from a decrease in costs associated with changes in business mix within motor lines.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio decreased to 3.6% in 2024 from 4.9% in 2023, mainly driven by an increase in fees related to arrangements with strategic capital partners to $54 million in 2024, from $38 million in 2023, and a decrease in information technology costs, partially offset by a decrease in net premiums earned.

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NET INVESTMENT INCOME AND NET INVESTMENT GAINS (LOSSES)

Net Investment Income

Net investment income from our cash and investment portfolio by major asset class was as follows:

Year ended December 31,2024% Change2023% Change2022
Fixed maturities$620,70421%$514,84256%$329,858
Other investments48,666nm20,411(64%)57,043
Equity securities12,9227%12,08816%10,390
Mortgage loans34,028(4%)35,31251%23,407
Cash and cash equivalents59,60019%50,261nm20,273
Short-term investments12,56941%8,924nm3,535
Gross investment income788,48923%641,83844%444,506
Investment expense(29,260)(3%)(30,096)17%(25,677)
Net investment income$759,22924%$611,74246%$418,829
Pre-tax yield:(1)
Fixed maturities4.5%3.9%2.6%

nm – not meaningful

(1)Pre-tax yield is calculated by dividing net investment income by the average month-end amortized cost balances for the periods indicated.

Fixed Maturities

2024 versus 2023: Net investment income in 2024 increased by $106 million or 21%, compared to 2023 due to increases in yields.

Other Investments

Other investments include multi-strategy funds, direct lending funds, private equity funds, real estate funds, other privately held investments and an indirect investment in CLO-Equities. These investments are recorded at fair value, with changes in fair value and income distributions reported in net investment income. Consequently, the pre-tax return on other investments may vary materially year over year, particularly during volatile equity and credit markets.

Net investment income from other investments was as follows:

Year ended December 31,202420232022
Multi-strategy, direct lending, private equity and real estate funds$41,277$20,867$39,151
Other privately held investments6,502(2,875)14,931
CLO-Equities8872,4192,961
Total net investment income from other investments$48,666$20,411$57,043
Pre-tax return on other investments(1)5.2%2.1%5.9%

(1)Pre-tax return on other investments is calculated by dividing total net investment income from other investments by the average month-end fair value balances held for the periods indicated.

2024 versus 2023: Pre-tax return on other investments in 2024 increased to 5.2%, compared to 2.1% in 2023. The increase was primarily attributable to higher returns from private equity funds and other privately held investments.

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Net Investment Gains (Losses)

Fixed maturities classified as available for sale are reported at fair value. Realized gains (losses) on fixed maturities are reported in net investment gains (losses) when these securities are sold or impaired.

Equity securities are reported at fair value. Realized gains (losses) on equity securities are also reported in net investment gains (losses) when securities are sold or impaired. In addition, changes in the fair values of equity securities are reported in net investment gains (losses).

Changes in the fair value of investment derivatives, mainly foreign exchange forward contracts are recorded in net investment gains (losses).

Net investment gains (losses) were as follows:

Year ended December 31,202420232022
On sale of investments:
Fixed maturities, short-term investments, and cash and cash equivalents$(153,249)$(125,160)$(311,822)
Equity securities17,04116,2087,281
Mortgage loans(7,215)
(143,423)(108,952)(304,541)
(Increase) decrease in allowance for expected credit losses, fixed maturities, available for sale6,821974(11,421)
(Increase) decrease in allowance for expected credit losses, mortgage loans(17,159)(6,220)
Impairment losses (1)(408)(12,757)(12,568)
Change in fair value of investment derivatives1,783(1,456)7,656
Net unrealized gains (losses) on equity securities13,85253,781(135,915)
Net investment gains (losses)$(138,534)$(74,630)$(456,789)

(1) Related to instances where we intend to sell securities, or it is more likely than not that we will be required to sell securities before their anticipated recovery.

On Sale of Investments and Net Unrealized Gains (Losses) on Equity Securities

Generally, sales of individual securities occur when there are changes in the relative value, credit quality, or duration of a particular issue. We may also sell securities to re-balance our investment portfolio in order to change exposure to particular asset classes or sectors.

2024 versus 2023: Net investment losses in 2024 were $139 million compared to net investment losses of $75 million in 2023. Net investment losses reported in 2024 mainly reflected net realized losses on the sale of corporate debt, Agency RMBS and U.S. government, partially offset by net realized and unrealized gains on equity securities.

Net investment losses reported in 2023 mainly reflected net realized losses on the sale of corporate debt, U.S. government and Non-Agency CMBS, partially offset by net unrealized gains on equity securities.

(Increase) Decrease in Allowance for Expected Credit Losses, Fixed Maturities, Available for Sale

2024 versus 2023: The allowance for expected credit losses decreased by $7 million in 2024 compared to $1 million in 2023, primarily related to the sale of securities. Refer to Item 8, Note 5(i) to the Consolidated Financial Statements 'Investments'.

(Increase) Decrease in Allowance for Expected Credit Losses, Mortgage Loans

2024 versus 2023: The allowance for expected credit losses increased by $17 million in 2024 compared to $6 million in 2023, primarily related to commercial mortgage loans exposed to the office sector. Refer to Item 8, Note 5(d) to the Consolidated Financial Statements 'Investments'.

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Impairment Losses

The impairment losses (refer to 'Critical Accounting Estimates – Impairment losses' for further details) recognized in net income were as follows:

2024 versus 2023: Impairment losses in 2024 were $nil compared to impairment losses of $13 million in 2023. The impairment losses in 2023 were principally due to impairments of non-investment grade corporate debt securities that we intended to sell or where we determined that it was more likely than not that we were required to sell securities before their anticipated recovery.

Change in Fair Value of Investment Derivatives

We economically hedge foreign exchange exposure with derivative contracts.

During 2024, foreign exchange hedges resulted in $2 million of net gains which primarily related to securities denominated in pound sterling and euro which experienced volatility during 2024.

During 2023, foreign exchange hedges resulted in $1 million of net losses which primarily related to securities denominated in pound sterling and euro which experienced volatility during 2023.

Our derivative instruments are not designated as hedges. Therefore, net unrealized gains (losses) on the hedged securities were recorded in accumulated other comprehensive income (loss) in total shareholders’ equity.

Total Return

Our investment strategy is to take a long-term view by actively managing our investment portfolio to maximize total return within certain guidelines and constraints. In assessing returns under this approach, we include net investment income, net investment gains (losses), the change in unrealized gains (losses) on fixed maturities, and interest in income (loss) of equity method investments generated by our investment portfolio.

Total return on cash and investments was as follows:

Year ended December 31,202420232022
Net investment income$759,229$611,742$418,829
Net investment gains (losses)(138,534)(74,630)(456,789)
Change in net unrealized gains (losses) on fixed maturities(1)125,742448,477(909,150)
Interest in income of equity method investments17,9534,1631,995
Total$764,390$989,752$(945,115)
Average cash and investments(2)$17,409,516$16,155,418$15,963,535
Pre-tax, total return on average cash and investments:
Including investment related foreign exchange movements4.4%6.1%(5.9%)
Excluding investment related foreign exchange movements(3)4.8%5.8%(5.2%)

(1)Change in net unrealized gains (losses) on fixed maturities is calculated by taking net unrealized gains (losses) at year end less net unrealized gains (losses) at the prior year end.

(2)The average cash and investments balance is the average of the monthly fair value balances.

(3)Pre-tax total return on cash and investments excluding foreign exchange movements is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to pre-tax total return on cash and investments, the most comparable GAAP financial measure, included foreign exchange (losses) gains of $(63) million, $51 million and $(110) million for the years ended December 31, 2024, 2023 and 2022, respectively.

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OTHER EXPENSES (REVENUES), NET

The following table provides a summary of other expenses (revenues), net:

Year ended December 31,2024% Change2023% Change2022
Corporate expenses$129,760(2%)$132,9792%$130,054
Foreign exchange losses (gains)(50,822)nm58,115nm(157,945)
Interest expense and financing costs67,766(1%)68,4218%63,146
Income tax expense (benefit)(55,595)nm26,31619%22,037
Total$91,109$285,831$57,292

nm – not meaningful

Corporate Expenses

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As a percentage of net premiums earned, corporate expenses decreased to 2.4% in 2024 from 2.6% in 2023.

The decrease in corporate expenses in 2024 was mainly driven by decreases in executive-related compensation costs associated with the transition in our senior leadership and personnel costs, partially offset by increases in professional fees and information technology costs.

Foreign Exchange Losses (Gains)

Foreign exchange gains in 2024 were primarily related to the impact of the strengthening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in euro and Canadian dollar, partially offset by the weakening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling.

Foreign exchange losses in 2023 were primarily related to the impact of the weakening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling, euro and Canadian dollar.

Interest Expense and Financing Costs

Interest expense and financing costs are related to interest due on the senior unsecured notes, junior subordinated notes and the Federal Home Loan advances ("FHLB advances") received in 2024 and 2023.

Interest expense and financing costs decreased by $1 million in 2024, compared to 2023, due to the repayment of FHLB advances in 2024.

Income Tax Expense (Benefit)

Income tax expense (benefit) primarily results from income (loss) generated by our foreign operations in the U.S. and Europe. Our effective tax rate, which is calculated as income tax expense (benefit) divided by income (loss) before tax including interest in income (loss) of equity method investments, was (5.4%), 6.5%, and 9.0% in 2024, 2023, and 2022, respectively. This effective rate can vary between years depending on the distribution of net income (loss) among tax jurisdictions, as well as other factors.

The tax benefit of $56 million in 2024 was principally due to the recognition of an income tax benefit of $177 million related to a future Bermuda corporate income tax rate of 15%, pursuant to the Corporate Income Tax Act 2023 and adjustments related to certain deferred tax assets and deferred tax liabilities that are no longer required, partially offset by pre-tax income in our U.S., U.K. and European operations.

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In 2024, the valuation allowance decreased by $19 million. The net gain incurred by AXIS Re SE, the Irish reinsurance company, resulted in the release of a valuation allowance of $13 million against the net deferred tax assets of AXIS Re SE and AXIS Re Europe, the Swiss branch of the Irish reinsurance company, of which $8 million was released to net income (loss) and $5 million was released in other comprehensive income (loss). A valuation allowance of $7 million was also released against foreign tax credits held by AXIS Specialty Europe SE.

At December 31, 2024, the U.S. operations had a deferred tax asset of $19 million for the unrealized losses on its fixed maturities that were recorded in other comprehensive income (loss). We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against its net unrealized investment losses in the U.S was not required.

At December 31, 2024, the Bermuda operations had a deferred tax asset of $17 million for the unrealized losses on its fixed maturities that were recorded in other comprehensive income (loss). We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against its net unrealized investment losses in Bermuda was not required.

The tax expense of $26 million in 2023 was principally due to pre-tax income in our U.K. and European insurance operations, partially offset by the recognition of a tax benefit in Bermuda on unrealized investment losses included in other comprehensive income (loss) due to the enactment of corporate income tax that will take effect in 2025, and pre-tax losses in our U.S. operations.

In 2023, the valuation allowance decreased by $21 million. The net gain incurred by AXIS Re SE, the Irish reinsurance company, resulted in the release of a valuation allowance of $25 million against the net deferred tax assets of AXIS Re SE and AXIS Re Europe, the Swiss branch of the Irish reinsurance company, of which $12 million was released in net income (loss) and $13 million was released to other comprehensive income (loss). A valuation allowance of $2 million was also released against U.S. foreign tax credits that were utilized. A valuation allowance of $6 million was recorded against foreign tax credits held by AXIS Specialty Europe SE.

At December 31, 2023, the U.S. operations had a deferred tax asset of $41 million for the unrealized losses on its fixed maturities that were recorded in other comprehensive income (loss). We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against its net unrealized investment losses in the U.S was not required.

At December 31, 2023, the Bermuda operations had a deferred tax asset of $13 million for the unrealized losses on its fixed maturities that were recorded in other comprehensive income (loss). We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against its net unrealized investment losses in Bermuda was not required.

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FINANCIAL MEASURES

We believe that the following financial indicators are important in evaluating performance and measuring the overall growth in value generated for common shareholders:

Year ended and at December 31,202420232022
Return on average common equity(1)20.5%7.9%4.3%
Operating return on average common equity(2)18.6%11.0%11.1%
Book value per diluted common share(3)$65.27$54.06$46.95
Cash dividends declared per common share$1.76$1.76$1.73
Increase (decrease) in book value per diluted common share adjusted for dividends$12.97$8.87$(7.10)

(1)    Return on average common equity ("ROACE") is calculated by dividing net income (loss) available (attributable) to common shareholders for the year by the average common shareholders' equity determined using the common shareholders' equity balances at the beginning and end of the year.

(2)    Operating return on average common equity ("operating ROACE"), is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, ROACE, and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)    Book value per diluted common share represents common shareholders’ equity divided by the number of diluted common share outstanding, determined using the treasury stock method. Cash-settled restricted stock units are excluded.

Return on Average Common Equity

Our objective is to generate superior returns on capital that appropriately reward common shareholders for the risks we assume and to grow revenue only when we expect the returns will meet or exceed our requirements. We recognize that the nature of underwriting cycles and the frequency or severity of large loss events in any one year may challenge the ability to achieve a profitability target in any specific period.

ROACE reflects the impact of net income (loss) available (attributable) to common shareholders, including net investment gains (losses), foreign exchange losses (gains), reorganization expenses, interest in income (loss) of equity method investments and Bermuda net deferred tax asset.

The increase in ROACE in 2024, compared to 2023, was primarily driven by increases in underwriting income and net investment income, foreign exchange gains, an income tax benefit and an increase in interest in income of equity method investments, partially offset by an increase in average common shareholders' equity and an increase in net investment losses.

Operating ROACE excludes the impact of net investment gains (losses), foreign exchange losses (gains), reorganization expenses, interest in income (loss) of equity method investments and Bermuda net deferred tax asset.

The increase in operating ROACE in 2024, compared to 2023, was primarily driven by increases in underwriting income and net investment income and an income tax benefit, partially offset by an increase in average common shareholders' equity.

Book Value per Diluted Common Share

We consider book value per diluted common share to be an appropriate measure of returns to common shareholders, as we believe growth in book value on a diluted basis will ultimately translate into appreciation of our stock price.

In 2024, book value per diluted common share increased by 21%, driven by net income for the year, and net unrealized investment gains reported in accumulated other comprehensive income (loss), partially offset by common dividends declared.

In 2023, book value per diluted common share increased by 15%, driven by net income for the year, and net unrealized investment gains reported in accumulated other comprehensive income (loss), partially offset by common dividends declared.

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Cash Dividends Declared per Common Share

We believe in returning excess capital to shareholders by way of dividends. Accordingly, dividend policy is an integral part of the value we create for shareholders. Our Board of Directors has approved quarterly common share dividends for twenty one consecutive years.

Book Value per Diluted Common Share Adjusted for Dividends

Taken together, we believe that growth in book value per diluted common share and common share dividends declared represent the total value created for common shareholders. As companies in the insurance industry have differing dividend payout policies, we believe that investors use the book value per diluted common share adjusted for dividends metric to measure comparable performance across the industry.

In 2024, the increase in total value of $12.97, or 24%, was driven by net income for the year, and net unrealized investment gains reported in accumulated other comprehensive income (loss).

In 2023, the increase in total value of $8.87, or 19%, was driven by net income for the year, and net unrealized investment gains reported in accumulated other comprehensive income (loss).

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NON-GAAP FINANCIAL MEASURES RECONCILIATION

Year ended December 31,202420232022
Net income available to common shareholders$1,051,536$346,042$192,833
Net investment (gains) losses138,53474,630456,789
Foreign exchange losses (gains)(50,822)58,115(157,945)
Reorganization expenses26,31228,99731,426
Interest in income of equity method investments(17,953)(4,163)(1,995)
Bermuda net deferred tax asset(1)(176,923)
Income tax benefit(2)(18,649)(17,488)(23,177)
Operating income$952,035$486,133$497,931
Earnings per diluted common share$12.35$4.02$2.25
Net investment (gains) losses1.630.875.33
Foreign exchange losses (gains)(0.60)0.68(1.84)
Reorganization expenses0.310.340.37
Interest in income of equity method investments(0.21)(0.05)(0.02)
Bermuda net deferred tax asset(2.08)
Income tax benefit(0.22)(0.21)(0.28)
Operating income per diluted common share$11.18$5.65$5.81
Weighted average diluted common shares outstanding(3)85,17686,01285,669
Average common shareholders' equity$5,126,288$4,401,553$4,475,283
Return on average common equity20.5%7.9%4.3%
Operating return on average common equity18.6%11.0%11.1%

(1)Net deferred tax benefit due to the recognition of deferred tax assets net of deferred tax liabilities related to a future Bermuda corporate income tax rate of 15%, pursuant to the Corporate Income Tax Act 2023.

(2)Tax expense (benefit) associated with the adjustments to net income (loss) available (attributable) to common shareholders. Tax impact is estimated by applying the statutory rates of applicable jurisdictions.

(3)Refer to Item 8, Note 14 to the Consolidated Financial Statements 'Earnings Per Common Share' for further details.

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Rationale for the Use of Non-GAAP Financial Measures

We present our results of operations in a way we believe will be meaningful and useful to investors, analysts, rating agencies and others who use our financial information to evaluate our performance. Some of the measurements we use are considered non-GAAP financial measures under SEC rules and regulations. In this Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A"), we present underwriting-related general and administrative expenses, consolidated underwriting income (loss), current accident year loss ratio, catastrophe and weather-related losses ratio, current accident year loss ratio, excluding catastrophe and weather-related losses, operating income (loss) (in total and on a per share basis), operating return on average common equity ("operating ROACE"), amounts presented on a constant currency basis and pre-tax total return on cash and investments excluding foreign exchange movements, which are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. We believe that these non-GAAP financial measures, which may be defined and calculated differently by other companies, help explain and enhance the understanding of our results of operations. However, these measures should not be viewed as a substitute for those determined in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP").

Underwriting-Related General and Administrative Expenses

Underwriting-related general and administrative expenses include those general and administrative expenses that are incremental and/or directly attributable to our underwriting operations. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As these costs are not incremental and/or directly attributable to our underwriting operations, these costs are excluded from underwriting-related general and administrative expenses, and therefore, consolidated underwriting income (loss). General and administrative expenses, the most comparable GAAP financial measure to underwriting-related general and administrative expenses, also includes corporate expenses.

The reconciliation of underwriting-related general and administrative expenses to general and administrative expenses, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Consolidated Underwriting Income (Loss)

Consolidated underwriting income (loss) is a pre-tax measure of underwriting profitability that takes into account net premiums earned and other insurance related income (loss) as revenues and net losses and loss expenses, acquisition costs and underwriting-related general and administrative expenses as expenses. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

We evaluate our underwriting results separately from the performance of our investment portfolio. As a result, we believe it is appropriate to exclude net investment income and net investment gains (losses) from our underwriting profitability measure.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on our net insurance-related liabilities. However, we manage our investment portfolio in such a way that unrealized and realized foreign exchange losses (gains) on our investment portfolio, including unrealized foreign exchange losses (gains) on our equity securities, and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities recognized in net investment gains (losses), and unrealized foreign exchange losses (gains) on our available for sale investments in other comprehensive income (loss), generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio, thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to our underwriting performance. Therefore, foreign exchange losses (gains) are excluded from consolidated underwriting income (loss).

Interest expense and financing costs primarily relate to interest payable on our debt and Federal Home Loan Bank advances. As these expenses are not incremental and/or directly attributable to our underwriting operations, these expenses are excluded from underwriting-related general and administrative expenses and, therefore, consolidated underwriting income (loss).

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Reorganization expenses in 2024 primarily related to severance costs attributable to our "How We Work" program which is focused on simplifying our operating structure. Reorganization expenses in 2023 primarily related to impairments of computer software assets and severance costs attributable to our "How We Work" program. Reorganization expenses in 2022 primarily related to severance costs and impairments of computer software assets mainly attributable to our exit from catastrophe and property reinsurance lines of business which was part of an overall approach to reduce our exposure to volatile catastrophe risk. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from consolidated underwriting income (loss).

Amortization of intangible assets arose from business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from consolidated underwriting income (loss).

We believe that the presentation of underwriting-related general and administrative expenses and consolidated underwriting income (loss) provides investors with an enhanced understanding of our results of operations, by highlighting the underlying pre-tax profitability of our underwriting activities. The reconciliation of consolidated underwriting income (loss) to net income (loss), the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Current Accident Year Loss Ratio

Current accident year loss ratio represents net losses and loss expenses ratio exclusive of net favorable (adverse) prior year reserve development. We believe that the presentation of current accident year loss ratio provides investors with an enhanced understanding of our results of operations by highlighting net losses and loss expenses associated with our underwriting activities excluding the impact of volatile prior year reserve development. The reconciliation of current accident year loss ratio to net losses and loss expenses ratio, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Catastrophe and Weather-Related Losses Ratio and Current Accident Year Loss Ratio, excluding Catastrophe and Weather-Related Losses

Catastrophe and weather-related losses ratio represents net losses and loss expenses ratio associated with natural disasters, man-made catastrophes, other catastrophe events and other weather-related events exclusive of net favorable (adverse) prior year reserve development.

Current accident year loss ratio, excluding catastrophe and weather-related losses represents net losses and loss expenses ratio exclusive of net favorable (adverse) prior year reserve development and net losses and loss expenses associated with natural disasters, man-made catastrophes, other catastrophe events and other weather-related events.

We believe that the presentation of these ratios that separately identify net losses and loss expenses associated with catastrophe and weather-related events provide investors with an enhanced understanding of our results of operations due to the inherently unpredictable nature of the occurrence of these events, the potential magnitude of these losses and the complexity that affects our ability to accurately estimate ultimate losses associated with these events.

The reconciliation of catastrophe and weather-related losses ratio and current accident year loss ratio, excluding catastrophe and weather-related losses to net losses and loss expenses ratio, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Operating Income (Loss)

Operating income (loss) represents after-tax operational results exclusive of net investment gains (losses), foreign exchange losses (gains), reorganization expenses and interest in income (loss) of equity method investments and Bermuda net deferred tax asset.

Although the investment of premiums to generate income and investment gains (losses) is an integral part of our operations, the determination to realize investment gains (losses) is independent of the underwriting process and is heavily influenced by the availability of market opportunities. Furthermore, many users believe that the timing of the realization of investment gains (losses) is somewhat opportunistic for many companies.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on net insurance-related liabilities. However, we manage our investment portfolio in such a way

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that unrealized and realized foreign exchange losses (gains) on our investment portfolio, including unrealized foreign exchange losses (gains) on our equity securities and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities recognized in net investment gains (losses) and unrealized foreign exchange losses (gains) on our available for sale investments in other comprehensive income (loss), generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio, thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to the performance of our business. Therefore, foreign exchange losses (gains) are excluded from operating income (loss).

Reorganization expenses in 2024 primarily related to severance costs attributable to our "How We Work" program which is focused on simplifying our operating structure. Reorganization expenses in 2023 primarily related to impairments of computer software assets and severance costs attributable to our "How We Work" program. Reorganization expenses in 2022 primarily related to severance costs and impairments of computer software assets mainly attributable to our exit from catastrophe and property reinsurance lines of business which was part of an overall approach to reduce our exposure to volatile catastrophe risk. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from operating income (loss).

Interest in income (loss) of equity method investments is primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, this income (loss) is excluded from operating income (loss).

Bermuda net deferred tax asset is due to the recognition of deferred tax assets net of deferred tax liabilities related to a future Bermuda corporate income tax rate of 15%, pursuant to the Corporate Income Tax Act 2023 effective for fiscal years beginning on or after January 1, 2025. The Bermuda net deferred tax asset is not related to the underwriting process. Therefore, this income is excluded from operating income (loss).

Certain users of our financial statements evaluate performance exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments and Bermuda net deferred tax asset in order to understand the profitability of recurring sources of income.

We believe that showing net income (loss) available (attributable) to common shareholders exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses, interest in income (loss) of equity method investments and Bermuda net deferred tax asset reflects the underlying fundamentals of our business. In addition, we believe that this presentation enables investors and other users of our financial information to analyze performance in a manner similar to how our management analyzes the underlying business performance. We also believe this measure follows industry practice and, therefore, facilitates comparison of our performance with our peer group. We believe that equity analysts and certain rating agencies that follow us, and the insurance industry as a whole, generally exclude these items from their analyses for the same reasons. The reconciliation of operating income (loss) to net income (loss) available (attributable) to common shareholders, the most comparable GAAP financial measure, is presented above.

We also present operating income (loss) per diluted common share and operating ROACE, which are derived from the operating income (loss) measure and are reconciled above to the most comparable GAAP financial measures, earnings (loss) per diluted common share and return on average common equity ("ROACE"), respectively.

Constant Currency Basis

We present gross premiums written and net premiums earned on a constant currency basis in this MD&A. The amounts presented on a constant currency basis are calculated by applying the average foreign exchange rate from the current year to the prior year amounts. We believe this presentation enables investors and other users of our financial information to analyze growth in gross premiums written and net premiums earned on a constant basis. The reconciliation to gross premiums written and net premiums earned on a GAAP basis is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment'.

Pre-Tax Total Return on Cash and Investments excluding Foreign Exchange Movements

Pre-tax total return on cash and investments excluding foreign exchange movements measures net investment income (loss), net investments gains (losses), interest in income (loss) of equity method investments, and change in unrealized gains (losses) generated by average cash and investment balances. We believe this presentation enables investors and other users of our financial information to analyze the performance of our investment portfolio. The reconciliation of pre-tax total return on cash and investments excluding foreign exchange movements to pre-tax total return on cash and investments, the most comparable GAAP financial measure, is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Net Investment Income and Net Investment Gains (Losses)'.

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CASH AND INVESTMENTS

Details of cash and investments are as follows:

December 31, 2024December 31, 2023
Fair valueFair value
Fixed maturities, available for sale$12,152,753$12,234,742
Fixed maturities, held to maturity(1)436,751675,851
Equity securities579,274588,511
Mortgage loans505,697610,148
Other investments930,278949,413
Equity method investments206,994174,634
Short-term investments223,66617,216
Total investments$15,035,413$15,250,515
Cash and cash equivalents(2)$3,063,621$1,383,985

(1)Presented at net carrying value of $443 million (2023: $686 million) in the consolidated balance sheets.

(2)Includes restricted cash and cash equivalents of $920 million and $431 million for 2024 and 2023, respectively.

Overview

The fair value of total investments decreased by $215 million in 2024, as market value gains, reinvestment of interest income and cashflows from operations were offset by an increase in cash and cash equivalents.

Cash and Cash equivalents

At December 31, 2024, cash and cash equivalents were $3.1 billion compared to $1.4 billion at December 31, 2023, an increase of $1.7 billion, in anticipation of premiums to be paid for the LPT Agreement (refer to '2024 Financial, Highlights'), on receipt of regulatory approval.

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An analysis of our investment portfolio by asset class is detailed below:

Fixed Maturities

Details of our fixed maturities portfolio are as follows:

December 31, 2024December 31, 2023
Fair value% of totalFair value% of total
Fixed maturities:
U.S. government and agency$2,802,98622%$3,007,52823%
Non-U.S. government729,9396%723,9596%
Corporate debt4,957,80739%4,560,84335%
Agency RMBS1,184,8459%1,634,66113%
CMBS819,6087%839,6967%
Non-agency RMBS122,5361%153,3961%
ABS1,860,96615%1,832,15114%
Municipals(1)110,8171%158,3591%
Total$12,589,504100%$12,910,593100%
Credit ratings:
U.S. government and agency$2,802,98622%$3,007,52823%
AAA(2)2,665,33421%2,745,19221%
AA2,354,37219%2,646,79821%
A2,090,51617%2,044,68316%
BBB1,190,3819%1,416,55211%
Below BBB(3)1,485,91512%1,049,8408%
Total$12,589,504100%$12,910,593100%

(1)Includes bonds issued by states, municipalities, and political subdivisions.

(2)Includes U.S. government-sponsored agencies, residential mortgage-backed securities ("RMBS") and commercial mortgage-backed securities ("CMBS").

(3)Non-investment grade and non-rated securities.

At December 31, 2024, fixed maturities had a weighted average credit rating of A+ (2023: AA-), a book yield of 4.5% (2023: 4.2%), and an average duration of 2.8 years (2023: 3.0 years).

At December 31, 2024, fixed maturities together with short-term investments, and cash and cash equivalents (i.e., total investments of $15.9 billion) had a weighted average credit rating of AA- (2023: AA-) and an average duration of 2.5 years (2023: 2.7 years).

Our methodology for assigning credit ratings to fixed maturities is in line with the methodology used for the Barclays U.S. Aggregate Bond index. This methodology uses the midpoint of Standard & Poor's (S&P), Moody's and Fitch ratings. When ratings from only two of these agencies are available, the lower rating is used. When only one agency rates a security, that rating is used. When ratings provided by S&P, Moody's and Fitch are not available, ratings from other nationally recognized agencies are used.

To calculate the weighted average credit rating for fixed maturities, we assign points to each rating with the highest points assigned to the highest rating (AAA) and the lowest points assigned to the lowest rating (D) and then calculate the weighted average based on the fair values of the individual securities. Securities that are not rated are excluded from weighted average calculations. At December 31, 2024, the fair value of fixed maturities not rated was $3 million (2023: $17 million).

In addition to managing credit risk exposure within our fixed maturities portfolio we also monitor the aggregation of country risk exposure on a group-wide basis. Country risk exposure is the risk that events in a country, such as currency crises, regulatory changes and other political events, will adversely affect the ability of obligors in the country to honor their obligations. For corporate debt and structured securities, we measure the country of risk exposure based on a number of factors, including but not limited to location of management, principal operations and country of revenues.

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An analysis of our fixed maturities portfolio by major asset classes is detailed below:

Non-U.S. Government

Non-U.S. government securities include bonds issued by non-U.S. governments and their agencies along with supranational organizations (collectively also known as sovereign debt securities).

Details of exposures to governments in the eurozone and other non-U.S. government concentrations by fair value are as follows:

December 31, 2024December 31, 2023
CountryFair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Eurozone countries:
Supranationals(1)$43,4946%AAA$41,8886%AAA
Germany25,1263%AAA26,7884%AAA
Netherlands6,5841%AAA14,6042%AA+
France6,1271%A2,637%A-
Total eurozone81,33111%AA+85,91712%AAA
Other concentrations:
Canada322,11144%AA+338,38447%AA+
United Kingdom259,28236%AA-224,80931%AA-
Mexico3,303%BBB7,4781%BBB
Other63,9129%BBB67,3719%AA+
Total other concentrations648,60889%AA638,04288%AA
Total non-U.S. government$729,939100%AA$723,959100%AA

(1)Includes supranationals only in the eurozone.

At December 31, 2024, net unrealized losses on non-U.S. government securities were $23 million (2023: $6 million) which included gross unrealized foreign exchange losses of $19 million (2023: $6 million), mainly related to U.K. government bonds.

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Corporate Debt

Corporate debt securities consist primarily of investment grade debt of a wide variety of corporate issuers and industries.

Details of our corporate debt securities portfolio by sector are as follows:

December 31, 2024December 31, 2023
Fair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Financial institutions:
U.S. banks$679,82714%A$760,80717%A
Corporate/commercial finance558,57711%BBB465,95310%BBB
Non-U.S. banks411,0748%A397,0979%A
Insurance223,5035%A-150,5533%A
Investment brokerage132,2373%BBB104,8812%BBB+
Total financial institutions2,005,21841%A-1,879,29141%A-
Consumer non-cyclicals515,07210%BBB-518,59611%BBB
Consumer cyclical506,91210%BB472,16210%BB+
Communications336,1927%BB+359,5908%BBB-
Industrials533,40111%BB451,06610%BB
Technology299,9386%BB+230,8645%BBB-
Utilities253,7565%A-215,7875%BBB+
Energy252,8515%BBB-204,6824%BBB-
Other254,4675%A228,8056%A+
Total$4,957,807100%BBB$4,560,843100%BBB
Credit quality summary:
Investment grade$3,477,84070%A-$3,537,79578%A-
Non-investment grade1,479,96730%B+1,023,04822%B+
Total$4,957,807100%BBB$4,560,843100%BBB

At December 31, 2024, our non-investment grade portfolio had a fair value of $1,480 million (2023: $1,023 million), a weighted average credit rating of B+ (2023: B+) and duration of 2.2 years (2023: 2.4 years). At December 31, 2024, our corporate debt portfolio, including non-investment grade securities, had a duration of 3.2 years (2023: 3.4 years).

Mortgage-Backed Securities

Details of the fair values of our RMBS and CMBS portfolios by credit rating are as follows:

December 31, 2024December 31, 2023
RMBSCMBSRMBSCMBS
Government agency$1,184,845$142,214$1,634,661$69,973
AAA115,115614,801144,437711,636
AA5,28051,4115,38945,094
A2507,4391,3716,937
BBB812,732100650
Below BBB(1)1,8101,0112,0995,406
Total$1,307,381$819,608$1,788,057$839,696

(1)Non-investment grade securities and non-rated securities.

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Residential MBS

Agency RMBS consist of bonds issued by the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and the Government National Mortgage Association, which are primarily AA+ rated and are supported by loans which are diversified across geographical areas. At December 31, 2024, agency RMBS had an average duration of 5.2 years (2023: 5.2 years).

Non-agency RMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2024, 98% (2023: 98%) of our non-agency RMBS were rated AA or better. At December 31, 2024, non-agency RMBS had an average duration of 4.3 years (2023: 4.0 years) and weighted average life of 5.4 years (2023: 5.6 years).

Commercial MBS

CMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2024, 99% (2023: 98%) of our CMBS were rated AA or better. At December 31, 2024, the weighted average estimated subordination percentage of the portfolio was 34% (2023: 37%), which represents the current weighted average estimated percentage of the capital structure subordinated to the investment holding that is available to absorb losses before the security incurs the first dollar loss of principal. At December 31, 2024, CMBS had an average duration of 2.7 years (2023: 2.2 years) and weighted average life of 3.7 years (2023: 2.8 years).

Asset-Backed Securities

ABS mainly include investment grade bonds backed by pools of loans with a variety of underlying collateral, including auto loans, student loans, credit card receivables and collateralized loan obligations ("CLOs") originated by a variety of financial institutions.

Details of the fair value of our ABS portfolio by underlying collateral and credit rating are as follows:

Asset-backed securities
AAAAAABBBBelow BBBTotal
At December 31, 2024
CLO - debt tranches$599,224$303,480$54,712$29,861$$987,277
Auto loans447,594447,594
Student loans56,99511,96868,963
Credit card receivables71,39057771,967
Other262,63267416,7473,5271,585285,165
Total$1,437,835$316,699$71,459$33,388$1,585$1,860,966
% of total77%17%4%2%—%100%
At December 31, 2023
CLO - debt tranches$793,769$334,573$71,621$28,419$$1,228,382
Auto loans267,430267,430
Student loans62,91414,59677,510
Credit card receivables68,56855869,126
Other155,8267,88818,8796,763347189,703
Total$1,348,507$357,615$90,500$35,182$347$1,832,151
% of total73%20%5%2%—%100%

At December 31, 2024, the average duration our ABS portfolio was 1.0 year (2023: 0.6 years) and the weighted average life was 3.1 years (2023: 3.0 years).

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Municipals

Municipals comprise revenue bonds and general obligation bonds issued by U.S. domiciled state and municipal entities and are primarily held in the taxable portfolios of our U.S. subsidiaries.

At December 31, 2024, our municipals had a fair value of $111 million (2023: $158 million), a weighted average credit rating of AA- (2023: AA-) and duration of 3.3 years (2023: 3.9 years).

Gross Unrealized Losses

At December 31, 2024, the gross unrealized losses on our fixed maturities, available for sale portfolio were $311 million (2023: $481 million).

Investment grade fixed maturities, available for sale

The severity of the unrealized loss position as a percentage of amortized cost for all investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2024December 31, 2023
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$5,564,985$(147,136)50%$5,843,552$(194,115)42%
10-20%866,342(138,082)46%1,590,548(245,428)52%
20-30%43,062(11,696)4%102,208(26,886)6%
30-40%183(89)%193(79)%
40-50%%%
50%132(41)%946(1,070)%
Total$6,474,704$(297,044)100%$7,537,447$(467,578)100%

The decrease in gross unrealized losses on investment grade fixed maturities primarily reflected the realization of losses throughout the year.

Non-investment grade fixed maturities, available for sale

The severity of the unrealized loss position as a percentage of amortized cost for all non-investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2024December 31, 2023
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$643,929$(11,655)82%$348,188$(9,597)74%
10-20%12,210(1,601)11%23,295(3,073)24%
20-30%1,387(354)2%1,475(112)1%
30-40%1,557(602)4%%
40-50%289(75)1%%
50%4(4)%45(155)1%
Total$659,376$(14,291)100%$373,003$(12,937)100%

The increase in gross unrealized losses on non-investment grade fixed maturities was a result of an increase in non-investment grade fixed income holdings.

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Equity Securities

At December 31, 2024, net unrealized gains on equity securities were $59 million (2023: $45 million). The increase was driven by the rally in global equity markets.

Mortgage Loans

During 2024, investment in commercial mortgage loans decreased to $506 million from $610 million, a decrease of $104 million. The commercial mortgage loans are high quality, and collateralized by a variety of commercial properties and diversified geographically throughout the U.S. and by property type to reduce the risk of concentration. At December 31, 2024, the allowance for expected credit loss of $23 million (2023: $6 million) was primarily related to commercial properties exposed to the office sector.

Other Investments

Details of our other investments portfolio are as follows:

December 31, 2024December 31, 2023
Multi-strategy funds$24,9193%$24,6193%
Direct lending funds171,04818%192,27020%
Private equity funds320,69035%301,71232%
Real estate funds291,64031%317,32533%
Total multi-strategy, direct lending, private equity and real estate funds808,29787%835,92688%
CLO-Equities%5,3001%
Other privately held investments121,98113%108,18711%
Total other investments$930,278100%$949,413100%

Refer to Item 8, Note 5(e) to the Consolidated Financial Statements 'Investments'.

Equity Method Investments

Our ownership interests in Harrington Reinsurance Holdings Limited ("Harrington") and Monarch Point Re (ISAC) Ltd. and Monarch Point Re (ISA 2023) Ltd. (collectively "Monarch Point Re") are reported in interest in income (loss) of equity method investments.

Interest in income (loss) of equity method investments was $18 million in 2024 compared to $4 million in 2023, an increase of $14 million, principally attributable to net investment income and underwriting income related to these ownership interests.

Restricted Assets

Refer to Item 8, Note 5(j) to the Consolidated Financial Statements 'Investments'.

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LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Liquidity is a measure of a company’s ability to generate cash flows sufficient to meet the short-term and long-term cash requirements of its business operations. We manage liquidity at the holding company and operating subsidiary level.

Holding Company

As a holding company, AXIS Capital has no operations of its own and its assets consist primarily of investments in its subsidiaries. Accordingly, AXIS Capital’s future cash flows depend on the availability of dividends or other statutorily permissible distributions, such as returns of capital, from its subsidiaries.

The ability to pay such dividends and/or distributions is limited by the applicable laws and regulations of the various countries and states in which AXIS Capital’s subsidiaries operate (refer to Item 8, Note 22 to the Consolidated Financial Statements 'Statutory Financial Information' for further details), as well as the need to maintain capital levels to adequately support insurance and reinsurance operations, and to preserve financial strength ratings issued by independent rating agencies.

During 2024, AXIS Capital received $459 million (2023: $375 million) of distributions from its subsidiaries. AXIS Capital’s primary uses of funds are dividend payments to common and preferred shareholders, interest and principal payments on debt, capital investments in subsidiaries, and payment of corporate operating expenses. We believe the dividend/distribution capacity of AXIS Capital’s subsidiaries, that was $1.4 billion at December 31, 2024 (2023: $0.9 billion) will provide AXIS Capital with sufficient liquidity for the foreseeable future.

Operating Subsidiaries

AXIS Capital’s operating subsidiaries primarily derive cash from the net inflow of premiums less claim payments related to underwriting activities and from net investment income. Historically, these cash receipts have been sufficient to fund the operating expenses of these subsidiaries, as well as to fund dividend payments to AXIS Capital. The subsidiaries’ remaining cash flows are generally invested in our investment portfolio and have also been used to fund common share repurchases in recent years.

The insurance and reinsurance business of our operating subsidiaries inherently provide liquidity, as premiums are received in advance (sometimes substantially in advance) of the time losses are paid. However, the amount of cash required to fund loss payments can fluctuate significantly from period to period, due to the low frequency/high severity nature of certain types of business we write.

Consolidated cash flows from operating, investing and financing activities in the last three years were as follows:

Total cash provided by (used in)(1)202420232022
Operating activities$1,844,813$1,255,559$798,038
Investing activities280,452(855,610)(761,620)
Financing activities(417,294)(202,371)(149,622)
Effect of exchange rate changes on cash(28,335)11,754(29,833)
Increase (decrease) in cash and cash equivalents$1,679,636$209,332$(143,037)

(1) Refer to Item 8, 'Consolidated Statements of Cash Flows' for further details.

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Operating activities

•Net cash provided by operating activities was $1,845 million in 2024 compared to $1,256 million in 2023. Cash inflows from insurance and reinsurance operations typically include premiums, net of acquisition costs, and reinsurance recoverables. Cash outflows principally include payments of losses and loss expenses, payments of premiums to reinsurers and operating expenses. Cash provided by operating activities can fluctuate due to timing differences between the collection of premiums and reinsurance recoverables and the payment of losses and loss expenses, and the payment of premiums to reinsurers.

•Operating cash inflows increased in 2024 compared to 2023, primarily attributable to increases in premiums received, reinsurance recoverables received, and interest and dividends received from our investment portfolio together with a decrease in payments of premiums to reinsurers partially offset by an increase in payments of losses and loss expenses.

Investing activities

•Investing cash inflows in 2024 were principally related to the net proceeds from the sale and redemption of fixed maturities of $281 million, unsettled payable for reverse repurchase agreements included in cash and cash equivalents of $247 million, net proceeds from the sales of other investments of $66 million and equity securities of $40 million, and the net proceeds from the sales and repayment of mortgage loans of $81 million, partially offset by net purchases of short-term investments of $204 million and loan advances made to third party reinsurers of $199 million.

•Investing cash outflows in 2023 were principally related to the net purchases of fixed maturities of $554 million, equity securities of $34 million, equity method investments of $22 million, loan advances made to third party reinsurers of $350 million and purchases of other assets of $31 million, partially offset by the net proceeds from the sale of other investments of $67 million and net proceeds from the sales and redemptions/repayments of short-term investments of $56 million and mortgage loans of $12 million.

Financing activities

•Financing cash outflows in 2024 were principally due to the repurchase of common shares of $216 million, dividends paid to common and preferred shareholders of $182 million, and the repayment of the Federal Home Loan Bank advances of $19 million.

•Financing cash outflows in 2023 were principally due to dividends paid to common and preferred shareholders of $184 million, and the repurchase of common shares of $24 million, partially offset by the receipt of the Federal Home Loan Bank advances of $5 million.

•The declaration and payment of future dividends and share repurchases is at the discretion of our Board of Directors and will depend on many factors including, but not limited to, our net income, financial condition, business needs, capital and surplus requirements of our operating subsidiaries and regulatory and contractual restrictions, including those detailed in our credit facilities (refer to 'Capital Resources – Share Repurchases' below for further details).

We have generated positive operating cash flows in all years since 2003, with the exception of 2009 which was impacted by the global financial crisis. These positive cash flows were generated even with the recognition of significant catastrophe and weather-related losses including the impact of the COVID-19 pandemic in 2020 and 2021.

Net losses and loss expenses, gross of reinstatement premiums, included estimates of ultimate losses for catastrophe and weather-related losses of $226 million in 2024, $138 million in 2023 and $404 million in 2022. There remains significant uncertainty associated with estimates of ultimate losses for certain of these events (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details), as well as the timing of the associated cash outflows.

Should claim payment obligations accelerate beyond our ability to fund payments from operating cash flows, we would utilize cash and cash equivalent balances and/or liquidate a portion of our investment portfolio.

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For context, at January 1, 2024, our largest 1-in-250 year return period, single occurrence, single-zone modeled probable maximum loss (Southeast U.S. Hurricane) was approximately $228 million, net of reinsurance. Claim payments pertaining to such an event would be paid out over a period spanning many months. Our internal risk tolerance framework aims to limit the loss of capital due to a single event and the loss of capital that would occur from multiple but perhaps smaller events, in any year (refer to Item 1 'Risk and Capital Management' for further details).

Our investment portfolio is heavily weighted towards conservative, high quality and highly liquid securities. We expect that, if necessary, cash and invested assets of approximately $15.2 billion at December 31, 2024 (2023 $13.6 billion) could be available in one to three business days under normal market conditions. Of this amount, $6.9 billion (2023 $5.3 billion) related to restricted assets, which primarily support our obligations in regulatory jurisdictions where we operate as a non-admitted carrier (refer to Item 8, Note 5(j) to the Consolidated Financial Statements 'Investments' for further details).

We expect that cash flows generated from operations, combined with the liquidity provided by our investment portfolio, to be sufficient to cover required cash outflows and other contractual commitments through the foreseeable future (refer to 'Contractual Obligations and Commitments' below for further details).

Capital Resources

In addition to common equity, we have utilized other external sources of financing, including debt, preferred shares, and letter of credit facilities to support our business operations. We believe that we hold sufficient capital to allow us to take advantage of market opportunities and to maintain our financial strength ratings, as well as to comply with various local statutory regulations. We monitor capital adequacy on a regular basis and adjust our capital base according to the needs of our business (refer to Item 1 'Risk and Capital Management' for further details).

The following table summarizes consolidated capital:

At December 31,20242023
Debt$1,315,179$1,313,714
Preferred shares550,000550,000
Common equity5,539,3794,713,196
Shareholders’ equity6,089,3795,263,196
Total capital$7,404,558$6,576,910
Ratio of debt to total capital17.8%20.0%

We finance our operations with a combination of debt and equity capital. The debt to total capital ratio provides an indication of our capital structure, along with some insight into our financial strength.

We believe that our financial flexibility remains strong. Adjustments are made if developments occur that are different from previous expectations.

Debt

Debt represents the 5.150% Senior Notes issued in 2014, which will mature in 2045, the 4.000% Senior Notes issued in 2017, which will mature in 2027, the 3.900% Senior Notes issued in 2019, which will mature in 2029, and the 4.900% Junior Subordinated Notes issued in 2019, which will mature in 2040 (refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

The 3.900% Senior Notes and the 4.900% Junior Subordinated Notes were issued to finance the repayment of $500 million aggregate principal amount of 5.875% Senior Notes that matured in June 2020 and to finance the redemption of Series D preferred shares on January 17, 2020 (refer to 'Preferred Shares' below for further details).

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Federal Home Loan Bank Advances

The Company's subsidiaries, AXIS Insurance Company and AXIS Surplus Insurance Company, are members of the Federal Home Loan Bank of Chicago ("FHLB").

Members may borrow from the FHLB at competitive rates subject to certain conditions. At December 31, 2024, the companies had admitted assets of approximately $3.2 billion (2023: $3.0 billion) which provides borrowing capacity of up to approximately $798 million (2023: $759 million). Conditions of membership include maintaining sufficient collateral deposits for funding, a requirement to maintain member stock at 0.4% of mortgage-related assets at December 31st of the prior year, and a requirement to purchase additional member stock of 2.0% or 4.5% of any amount borrowed (refer to Item 8, Note 11 to the Consolidated Financial Statements 'Federal Home Loan Bank Advances').

At December 31, 2024, the Company had borrowings under the FHLB program of $66 million (2023: $86 million). On September 11, 2024, the Company repaid borrowings under the FHLB program of $10 million, at their stated maturity. On October 31, 2024, the Company repaid borrowings under the FHLB program of $9 million, at their stated maturity.

The FHLB advances have maturities in 2025 and interest payable at interest rates between 4.5% and 5.5% (2023: 5.6% and 5.9%). For the year ended December 31, 2024, the Company incurred interest expense of $4 million (2023: $5 million). The borrowings under the FHLB program are secured by cash and investments with a fair value of $72 million (2023: $95 million).

Preferred Shares

Series E Preferred Shares

On November 7, 2016, we issued $550 million of 5.50% Series E preferred shares with a liquidation preference of $2,500 per share (equivalent to $25 per depositary share). Dividends on the Series E preferred shares are non-cumulative. To the extent declared, dividends accumulate, with respect to each dividend period, in an amount per share equal to 5.50% of the liquidation preference per annum (equivalent to $137.50 per Series E preferred share and $1.375 per depositary share). We could redeem these shares on or after November 7, 2021 at a redemption price of $2,500 per Series E preferred share (equivalent to $25 per depositary share) (refer to Item 8, Note 15 to the Consolidated Financial Statements 'Shareholders' Equity' for further details).

Secured Letter of Credit Facilities

We routinely enter into agreements with financial institutions to obtain secured letter of credit facilities.

These facilities are primarily used for the issuance of letters of credit, in the normal course of operations, to certain insurance and reinsurance entities that purchase reinsurance protection from us. These letters of credit allow those operations to take credit, under local insurance regulations, for reinsurance obtained in jurisdictions where AXIS Capital’s subsidiaries are not licensed or otherwise admitted as an insurer. The value of our letters of credit outstanding is driven by, among other factors, the amount of unearned premiums, development of loss reserves, the payment patterns of loss reserves, the expansion of our business and the loss experience of that business.

A portion of these facilities may also be used for liquidity purposes.

At December 31, 2024, certain of AXIS Capital’s operating subsidiaries (the "Participating Subsidiaries") had a $300 million letter of credit facility available from Citibank Europe plc ("Citibank") (the "$300 million Facility").

At December 31, 2024, letters of credit outstanding were $235 million (2023: $325 million) (refer to Item 8, Note 10 to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

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Common Equity

During the year ended December 31, 2024, common equity increased by $826 million. The following table reconciles opening and closing common equity positions:

Year ended December 31,20242023
Common equity - opening$4,713,196$4,089,910
Share-based compensation expense40,48757,207
Change in unrealized gains (losses) on available for sale investments, net of tax122,042396,036
Foreign currency translation adjustment(23,763)(1,572)
Net income1,081,786376,292
Preferred share dividends(30,250)(30,250)
Common share dividends(150,495)(152,536)
Treasury shares repurchased(215,868)(23,596)
Treasury shares reissued2,2441,705
Common equity - closing$5,539,379$4,713,196

Share Repurchases

During 2024, we repurchased 3.1 million common shares for a total of $216 million, including $200 million repurchased pursuant to our Board-authorized share repurchase program, and $16 million from employees to facilitate the satisfaction of their personal withholding tax liabilities that arise on vesting of share-settled restricted stock units granted under our 2017 Long-Term Equity Compensation Plans.

At June 30, 2024, authorization under the Company's share repurchase program approved in December 2023 was exhausted.

On May 16, 2024, the Company's Board of Directors approved a new share repurchase program for up to $300 million of the Company's common shares. The new share repurchase program is open-ended, allowing the Company to repurchase its shares from time to time in the open market or privately negotiated transactions, depending on market conditions. At December 31, 2024, we had $200 million of remaining authorization under our open-ended Board-authorized share repurchase program for common share repurchases.

Refer to Item 5 'Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities' and Item 8, Note 15 to the Consolidated Financial Statements 'Shareholders' Equity' for further details.

Shelf Registrations

On November 9, 2022, we filed an unallocated universal shelf registration statement with the SEC, which became effective on filing. Pursuant to the shelf registration, we may issue an unlimited amount of equity, debt, warrants, purchase contracts or a combination of these securities. Our intent and ability to issue securities pursuant to this registration statement will depend on market conditions at the time of any proposed offering.

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Financial Strength Ratings

Operating subsidiaries

Our principal insurance and reinsurance operating subsidiaries are assigned financial strength ratings from internationally recognized rating agencies, including Standard & Poor’s, A.M. Best, and Moody’s Investors Service. These ratings are publicly announced and are available directly from the agencies, and on our website.

Financial strength ratings represent the opinions of the rating agencies on the overall financial strength of a company and its capacity to meet the obligations of its insurance and reinsurance contracts. Independent ratings are one of the important factors that establish a competitive position in insurance and reinsurance markets. The rating agencies consider many factors in determining the financial strength rating of an insurance company, including the relative level of statutory surplus necessary to support the business operations of the company. These ratings are based on factors considered by the rating agencies to be relevant to policyholders, agents and intermediaries and are not directed toward the protection of investors. Ratings are not recommendations to buy, sell or hold securities.

The following are the most recent financial strength ratings from internationally recognized agencies in relation to our principal insurance and insurance operating subsidiaries:

Rating agencyAgency’s description of ratingRating and outlookAgency’s rating definitionRanking of rating
Standard & Poor’sAn "opinion about the financial security characteristics of an insurance organization, with respect to its ability to pay under its insurance policies and contracts, in accordance with their terms".A+(Stable) (1)"Strong capacity to meet its financial commitments"The 'A' category is the third highest out of ten major rating categories. The second through eighth major rating categories may be modified by the addition of a plus or minus sign to show relative standing within the major rating categories.
A.M. BestAn "opinion of an insurer’s financial strength and ability to meet its ongoing insurance policy and contract obligations".A(Stable)"Excellent ability to meet ongoing insurance obligations"The 'A' category is the third highest rating out of fourteen. Ratings outlooks ('Positive', 'Negative' and 'Stable') are assigned to indicate a rating’s potential direction over an intermediate term, generally defined as 36 months.
Moody’s Investors Service"Opinions of the ability of insurance companies to pay punctually senior policyholder claims and obligations."A2(Stable) (2)"Offers good financial security"The 'A' category is the third highest out of nine rating categories. Each of the second through seventh categories are subdivided into three subcategories, as indicated by an appended numerical modifier of '1', '2' and '3'. The '1' modifier indicates that the obligation ranks in the higher end of the rating category, the '2' modifier indicates a mid-category ranking and the '3' modifier indicates a ranking in the lower end of the rating category.

(1)    On July 20, 2022, Standard and Poor's revised its outlook from negative to stable due to improved underwriting performance and reduced prospective earnings volatility as a result of our exit from property and catastrophe reinsurance lines of business.

(2)    On May 31, 2022, Moody's Investors Service revised its outlook from negative to stable due to improved core underwriting profitability and reduced catastrophe risk exposure.

Non-operating holding companies

On November 17, 2023, Standard and Poor's placed AXIS Capital Holding Limited and the securities guaranteed by this non-operating holding company on CreditWatch Negative due to the potential regulatory restrictions to payments from Bermuda-based insurance and reinsurance operating companies to non-operating holding companies.

On January 29, 2024, Standard and Poor's removed AXIS Capital Holdings Limited and related securities from Negative CreditWatch and affirmed the Issuer Credit Rating of AXIS Capital Holding Company at A- (Stable). In addition, Standard & Poor's also reaffirmed the A+ Financial Strength and issuer credit ratings on all core operating subsidiaries (Stable).

The stable outlook reflects Standard and Poor's expectation that AXIS will sustain its strong competitive position supported by solid, less-volatile underwriting performance, and will maintain capital adequacy at the 99.99% (or extreme stress) level in 2023-2025.

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Contractual Obligations and Commitments

At December 31, 2024, contractual obligations and commitments by period due were:

Payment due by period
Contractual obligations and commitmentsTotalLess than 1 year1-3 years3-5 yearsMore than 5 years
Operating activities
Estimated gross losses and loss expenses payments(1)$17,218,929$5,194,285$5,778,979$2,917,873$3,327,792
Operating lease obligations(2)133,22017,78728,20724,56362,663
Investing activities
Unfunded investment commitments(3)629,447244,743129,12319,386236,195
Financing activities
Debt (principal payments)(4)1,325,000350,000300,000675,000
Debt (interest payments)(4)(5)469,64760,932121,11587,790199,810
Total$19,776,243$5,517,747$6,407,424$3,349,612$4,501,460

(1)We are obligated to pay claims for specified loss events covered by the insurance and reinsurance contracts that we write. Loss payments represent our most significant future payment obligation. In contrast to our other contractual obligations, cash payments are not determinable from the terms specified within the underlying contracts. Our best estimate of reserve for losses and loss expenses is reflected in the table above. Actual amounts and timing may differ materially from our best estimate (refer to ‘Critical Accounting Estimates – Reserve for Losses and Loss Expenses’ for further details). We have not taken into account corresponding reinsurance recoverable on unpaid amounts that would be due to us.

(2)In the ordinary course of business, we renew and enter into new leases for office space that expire at various dates (refer to Item 8, Note 13 to the Consolidated Financial Statements 'Leases' for further details).

(3)We have $526 million of unfunded investment commitments related to our other investments portfolio, which are callable by our investment managers (refer to Item 8, Note 5(e) to the Consolidated Financial Statements 'Investments' and Note 12(e) to the Consolidated Financial Statements 'Commitment and Contingencies' for further details). In addition, we have $9 million of unfunded commitments related to our commercial mortgage loans portfolio and $94 million of unfunded commitments related to our corporate debt portfolio.

(4)Refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details.

(5)Debt (interest payments) includes $10 million of unamortized discount and debt issuance expenses (refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

CRITICAL ACCOUNTING ESTIMATES

The consolidated financial statements include certain amounts that are inherently uncertain and judgmental in nature. As a result, we are required to make assumptions and best estimates to determine the reported values. We consider an accounting estimate to be critical if: (1) it requires that significant assumptions be made to deal with uncertainties and (2) changes in the estimate could have a material impact on our results of operations, financial condition, or liquidity.

We believe that the material items requiring such subjective and complex estimates are:

•reserves for losses and loss expenses;

•reinsurance recoverable on unpaid losses and loss expenses, including the allowance for expected credit losses;

•gross premiums written and net premiums earned;

•fair value measurements of financial assets and liabilities; and

•the allowance for credit losses associated with fixed maturities, available for sale.

Significant accounting policies are also important to understanding the consolidated financial statements (refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details).

We believe that the amounts included in the consolidated financial statements reflect management's best judgment. However, factors such as those described in Item 1A 'Risk Factors' could cause actual events or results to differ materially from the underlying assumptions and estimates which could lead to a material adverse impact on our results of operations, financial condition, or liquidity.

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Reserve for Losses and Loss Expenses

Overview

We believe the most significant accounting judgment we make is the estimate of reserve for losses and loss expenses ("loss reserves"). Loss reserves represent management’s estimate of the unpaid portion of our ultimate liability for losses and loss expenses ("ultimate losses") for insured and reinsured events that have occurred at or before the balance sheet date. Loss reserves reflect claims that have been reported ("case reserves") to us and claims that have been incurred but not reported ("IBNR") to us. Loss reserves represent our best estimate of what the ultimate settlement and administration of claims will cost, based on our assessment of facts and circumstances known at that particular point in time.

Loss reserves are not an exact calculation of the liability but instead are complex estimates. The process of estimating loss reserves involves a number of variables (refer to 'Selection of Reported Reserves – Management's Best Estimate' below for further details). We review estimates of loss reserves each reporting period and consider all significant facts and circumstances known at that particular point in time. As additional experience and other data become available and/or laws and legal interpretations change, we may adjust previous estimates of loss reserves. Adjustments are recognized in the period in which they are determined. Therefore, they can impact that period's underwriting results either favorably, indicating that current estimates are lower than previous estimates, or adversely, indicating that current estimates are higher than previous estimates.

Case Reserves

With respect to insurance business, we are generally notified of losses by our insureds and/or their brokers. Based on this information, our claims personnel estimate ultimate losses arising from the claim, including the cost of administering the claims settlement process. These estimates reflect the judgment of our claims personnel based on general reserving practices, the experience and knowledge of such personnel regarding the nature of the specific claim and, where appropriate, the advice of legal counsel, loss adjusters and other relevant consultants.

With respect to reinsurance business, we are generally notified of losses by ceding companies and/or their brokers. For excess of loss contracts, we are typically notified of insured losses on specific contracts and record a case reserve for the estimated ultimate liability arising from the claim. For contracts written on a proportional basis, we typically receive aggregated claims information and record a case reserve for the estimated ultimate liability arising from the claim based on that information. Proportional reinsurance contracts typically require that losses in excess of pre-defined amounts be separately notified so we can adequately evaluate them. Our claims department evaluates each specific loss notification we receive and records additional case reserves when a ceding company’s reserve for a claim is not considered adequate. We also undertake an extensive program of cedant audits, using outsourced legal and industry experience where necessary. This allows us to review cedants’ claims administration practices to ensure that reserves are consistent with exposures, adequately established, and properly reported in a timely manner.

IBNR

The estimation of IBNR is necessary due to potential development on reported claims and the time lag between when a loss event occurs and when it is actually reported, which is referred to as a reporting lag. Reporting lags may arise from a number of factors, including but not limited to the nature of the loss, the use of intermediaries and complexities in the claims adjusting process. As we do not have specific information on IBNR, it must be estimated. IBNR is calculated by deducting incurred losses (i.e., paid losses and case reserves) from management’s best estimate of ultimate losses. In contrast to case reserves, which are established at the contract level, IBNR reserves are generally estimated at an aggregate level and cannot be identified as reserves for a particular loss event or contract (refer to 'Reserving for Catastrophic Events' below for further details).

Reserving Methodology

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Sources of Information' for a description of the collection and analysis of data used in our quarterly loss reserving process.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Actuarial Analysis' for a description of the reserve estimation methods, Expected Loss Ratio Method ("ELR Method"), Loss Development Method (also referred to as the "Chain Ladder Method" or "Link Ratio Method") and Bornhuetter-Ferguson Method ("BF Method") which are commonly employed by our actuaries together with a discussion of their strengths and weaknesses.

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Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Key Actuarial Assumptions', which notes that the most significant assumptions used in our quarterly loss reserving process are expected loss ratios ("ELRs") and loss development patterns.

Gross Loss Reserves by Line of Business

Gross loss reserves for each of the reportable segments, segregated between case reserves and IBNR, by line of business are shown below:

20242023
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property$571,477$732,266$1,303,743$556,306$523,713$1,080,019
Accident and health31,929112,027143,95628,76789,371118,137
Marine and aviation542,057625,4481,167,505449,455532,284981,739
Cyber167,657688,807856,464192,784589,018781,802
Professional lines677,2772,637,0173,314,294685,0832,523,1943,208,277
Credit and political risk(1)(30,023)255,181225,158(45,138)208,975163,838
Liability686,9902,801,5933,488,583576,5292,597,0683,173,597
Total Insurance2,647,3647,852,33910,499,7032,443,7867,063,6239,507,409
Reinsurance segment:
Accident and health46,150205,030251,18055,185177,602232,787
Agriculture38,557146,408184,96443,011109,372152,383
Marine and aviation70,595104,761175,35579,79291,369171,161
Professional lines503,440876,5631,380,003558,556860,7481,419,304
Credit and surety172,794258,121430,915171,298196,735368,033
Motor744,467403,5581,148,025809,811372,3311,182,142
Liability793,0401,637,8902,430,930733,6971,694,1222,427,818
Run-off lines
Catastrophe204,448204,697409,145373,031196,573569,604
Property141,21560,042201,257204,21777,440281,657
Engineering71,83335,617107,45286,87734,842121,720
Total run-off lines417,496300,356717,854664,125308,855972,981
Total Reinsurance2,786,5393,932,6876,719,2263,115,4753,811,1346,926,609
Total$5,433,903$11,785,026$17,218,929$5,559,261$10,874,757$16,434,018

(1)    Significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security that resulted in negative gross case reserves of $(54) million at December 31, 2024 (2023: $(60) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(27) million at December 31, 2024 (2023: $(29) million). Refer to 'Reserving for Credit and Political Risk Business' below for further details.

In order to capture the key dynamics of loss reserve development and potential volatility, lines of business should be considered according to their potential expected length of loss emergence and settlement, generally referred to as the "tail". Favorable development on prior accident year reserves indicates that current estimates are lower than previous estimates, while adverse development on prior accident year reserves indicates that current estimates are higher than previous estimates.

Although estimates of ultimate losses for shorter tail business are inherently more certain than for longer tail business, significant judgment is still required. For example, much of our excess insurance and excess of loss reinsurance business has high attachment points. Therefore, it is often difficult to estimate whether claims will exceed those attachment points. In addition, the inherent uncertainties relating to catastrophe events further add to the complexity of estimating potential exposure. Further, we use managing general agents ("MGAs") and other producers for certain business in the insurance segment, which can delay the reporting of loss information. We expect the majority of development for an accident year or underwriting year to be recognized in the subsequent one to three years.

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Factors that contribute additional uncertainty to estimates for longer tail business include, but are not limited to:

•potential volatility of actuarial estimates, the number of years of development it takes to produce a significant incurred loss as a percentage of ultimate losses;

•inherent uncertainties about loss trends, claims inflation (e.g., medical, judicial, social) and general economic conditions; and

•the possibility of future litigation, legislative or judicial change that may impact future loss experience relative to prior industry loss experience relied on in reserve estimation.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a discussion of prior year reserve development by segment, line of business and accident year, and see further details specific to insurance and reinsurance credit and political risk business below.

Refer to 'Reserving for Credit and Political Risk Business' below for a discussion of specific loss reserving considerations related to insurance and reinsurance credit and political risk business below.

Reserving for Credit and Political Risk Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – 'Net incurred and Paid Claims Development Tables by Accident Year – Insurance segment – Insurance Credit and Political Risk' and 'Reserve for Losses and Loss Expenses – 'Net incurred and Paid Claims Development Tables by Accident Year – Reinsurance segment – Reinsurance Credit and Surety' for details of this line of business and the associated key actuarial assumptions.

An important and distinguishing feature of many of these contracts is the contractual right, subsequent to payment of a claim to an insured, to be subrogated to, or otherwise have an interest in, the insured’s rights of recovery under an insured loan or facility agreement. These estimated recoveries are recorded as an offset to credit and political risk gross loss reserves. The lag between the date of a claim payment and the ultimate recovery from the corresponding security can result in negative case reserves at a point in time. Significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security that resulted in negative gross case reserves of $(54) million at December 31, 2024 (2023: $(60) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(27) million at December 31, 2024 (2023: $(29) million). Refer to 'Critical Accounting Estimates – Reinsurance Recoverable on Unpaid Losses and Loss Expenses' for further details.

The nature of the underlying collateral is specific to each transaction. Therefore, we estimate the value of this collateral on a contract-by-contract basis. This valuation process is inherently subjective and involves the application of management’s judgment because active markets for the collateral often do not exist. Estimates of values are based on numerous inputs, including information provided by our insureds, as well as third-party sources including rating agencies, asset valuation specialists and other publicly available information. We also assess any post-event circumstances, including restructurings, liquidations and possession of asset proposals/agreements.

In some instances, on becoming aware of a loss event related to credit and political risk business, we negotiate a final settlement of all of our policy liabilities for a fixed amount. In most circumstances, this occurs when the insured moves to realize the benefit of the collateral that underlies the insured loan or facility and presents us with a net settlement proposal that represents a full and final payment by us under the terms of the policy. In consideration for this payment, we secure a cancellation of the policy, or a release of all claims, and waive our right to pursue a recovery of these settlement payments against the collateral that may have been available to us under the insured loan or facility agreement. In certain circumstances, cancellation by way of net settlement or full payment can result in an adjustment to the premium associated with the policy.

Additionally, when we consider prior year reserve development for the credit and political risk line of business, it is important to note that the multi-year nature of this business distorts loss ratios when a single accident year is considered in isolation. Premiums for these contracts generally earn evenly over the contract term, therefore, are reflected in multiple accident years. In contrast, losses incurred on these contracts, which can be characterized as low in frequency and high in severity, are reflected in a single accident year.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for further details of prior year reserve development for the insurance and reinsurance credit and political risk lines of business.

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Reserving for Catastrophic Events

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Catastrophic Events' for further details.

In addition to those noted in Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Catastrophic Events' there are additional risks that affect our ability to accurately estimate ultimate losses for catastrophic events. For example, the estimates of loss reserves related to hurricanes and earthquakes can be affected by factors including, but not limited to, the inability to access portions of impacted areas, infrastructure disruptions, the complexity of factors contributing to losses, legal and regulatory uncertainties, complexities involved in estimating business interruption losses and additional living expenses, the impact of demand surge, fraud and the limited nature of information available. For hurricanes, additional complex coverage factors may include determining whether damage was caused by flooding or wind, evaluating general liability and pollution exposures, and mold damage. The timing of a catastrophe, for example, near the end of a reporting period, can also affect the level of information available to us to estimate loss reserves for that reporting period.

Results of operations for 2024 were impacted by natural and man-made catastrophe activity (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss Ratio' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details).

Selection of Reported Reserves – Management’s Best Estimate

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Selection of Reported Reserves – Management’s Best Estimate' for further details.

Independent Actuarial Review

On an annual basis, we engage an independent actuarial firm to provide an actuarial opinion on the reasonableness of loss reserves for each of our operating subsidiaries and statutory reporting entities as these actuarial opinions are required to meet various insurance regulatory requirements. The actuarial firm also discusses its conclusions from the annual review with management and presents its findings to the Audit Committee of the Board of Directors.

Sensitivity Analysis

While we believe that loss reserves at December 31, 2024 are adequate, new information, events or circumstances may result in ultimate losses that are materially greater or less than provided for in our loss reserves. As previously noted, there are many factors that may cause reserves to increase or decrease, particularly those related to catastrophe losses and longer tail lines of business.

Expected loss ratios are a key assumption in estimates of ultimate losses for business at an early stage of development. A higher expected loss ratio results in a higher ultimate loss estimate, and vice versa.

Assumed loss development patterns are another significant assumption in estimating loss reserves. Accelerating a loss reporting pattern (i.e., shortening the claim tail) results in lower ultimate losses, as the estimated proportion of losses already incurred would be higher.

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The effect on estimates of gross loss reserves of reasonably likely changes in the two key assumptions used to estimate gross loss reserves at December 31, 2024 was as follows:

INSURANCE
Development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Property5% lowerUnchanged5% higher
3 months shorter$(106,929)$(62,679)$(17,177)
Unchanged(43,132)47,100
3 months longer42,41387,203136,746
Accident and health5% lowerUnchanged5% higher
3 months shorter$(20,761)$(12,288)$(1,721)
Unchanged(10,591)10,753
3 months longer35,02549,77463,040
Marine and aviation5% lowerUnchanged5% higher
3 months shorter$(63,371)$(34,241)$(5,111)
Unchanged(29,959)30,154
3 months longer11,68643,40075,239
Cyber10% lowerUnchanged10% higher
6 months shorter$(98,088)$(18,487)$60,147
Unchanged(68,961)76,700
6 months longer(21,785)46,045121,667
Professional lines10% lowerUnchanged10% higher
6 months shorter$(311,393)$(89,458)$132,786
Unchanged(228,276)219,525
6 months longer(120,136)113,038346,656
Credit and political risk10% lowerUnchanged10% higher
6 months shorter$(6,786)$(239)$5,214
Unchanged(6,572)5,476
6 months longer(6,247)3605,873
Liability10% lowerUnchanged10% higher
6 months shorter$(573,710)$(331,990)$(90,270)
Unchanged(274,069)269,033
6 months longer46,525348,454650,382

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REINSURANCE
Development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Accident and health5% lowerUnchanged5% higher
3 months shorter$(56,340)$(46,924)$(37,508)
Unchanged(11,670)10,624
3 months longer53,10966,74980,263
Agriculture5% lowerUnchanged5% higher
3 months shorter$(8,341)$$8,945
Unchanged(8,340)8,944
3 months longer(8,340)8,944
Marine and aviation5% lowerUnchanged5% higher
3 months shorter$(13,939)$(9,885)$(5,832)
Unchanged(4,483)4,483
3 months longer5,0499,94414,840
Professional lines10% lowerUnchanged10% higher
6 months shorter$(132,279)$(55,670)$23,612
Unchanged(76,044)79,349
6 months longer(2,081)74,300154,097
Credit and surety10% lowerUnchanged10% higher
6 months shorter$(45,315)$(13,770)$17,776
Unchanged(32,264)32,429
6 months longer(12,310)19,59053,178
Motor10% lowerUnchanged10% higher
6 months shorter$(46,169)$(17,383)$11,435
Unchanged(29,850)29,990
6 months longer9,94136,60563,518
Liability10% lowerUnchanged10% higher
6 months shorter$(305,463)$(163,160)$(22,997)
Unchanged(151,442)148,857
6 months longer32,288194,326351,288
Reinsurance run-off lines5% lowerUnchanged5% higher
3 months shorter$(31,675)$(4,953)$27,895
Unchanged(26,759)32,874
3 months longer(20,253)6,53739,451

The results show the cumulative increase (decrease) in loss reserves across all accident years.

For example, if assumed loss development pattern for insurance property business was three months shorter with no accompanying change in ELR assumption, loss reserves may decrease by approximately $63 million. Each of the impacts detailed in the tables is estimated individually, without consideration for any correlation among key assumptions or among lines of business. Therefore, it would be inappropriate to take each of the amounts and add them together in an attempt to estimate total volatility. Additionally, it is noted that in some instances, for example the projection of catastrophe estimates or credit and political risks estimates, development patterns are not appropriate as more bespoke techniques are used. While we believe the variations in the expected loss ratios and loss development patterns presented could be reasonably expected, our historical loss data regarding variability is generally limited and actual variations may be greater or less than these amounts.

It is also important to note that the variations are not meant to be a "best-case" or "worst-case" series of scenarios and, therefore, it is possible that future variations in loss reserves may be more or less than the amounts presented. While we believe that these are reasonably likely scenarios, we do not believe this sensitivity analysis should be considered an actual reserve range.

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Reinsurance Recoverable on Unpaid Losses and Loss Expenses

In the normal course of business, we purchase facultative and treaty reinsurance protection to limit ultimate losses and to reduce loss aggregation risk. To the extent that reinsurers do not meet their obligations under the reinsurance agreements, we remain liable. Consequently, we are exposed to credit risk associated with reinsurance recoverable on unpaid and paid losses and loss expenses to the extent that any of our reinsurers are unable or unwilling to pay claims.

Reinsurance recoverables on unpaid losses and loss expenses ("reinsurance recoverables") for each of the reportable segments, segregated between case reserves and IBNR, by line of business are shown below:

20242023
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property$206,654$269,708$476,362$194,760$207,462$402,222
Accident and health7098,8569,5651,4111,5953,006
Marine and aviation148,426199,636348,062153,065125,149278,215
Cyber105,506349,794455,301115,969314,658430,627
Professional lines349,9711,015,0721,365,043392,1041,050,4421,442,546
Credit and political risk (1)(14,827)50,12935,302(21,575)56,76735,191
Liability396,1191,710,4012,106,520315,6411,569,5911,885,232
Total Insurance1,192,5583,603,5964,796,1551,151,3753,325,6644,477,039
Reinsurance segment:
Accident and health8,46253,26261,7248,55640,75849,314
Agriculture1,8589,05910,9175,9172,4258,343
Marine and aviation12,89613,37726,27319,43213,75433,185
Professional lines96,241344,331440,57289,621280,724370,345
Credit and surety52,26680,208132,47444,02759,147103,174
Motor175,825176,613352,438164,488150,855315,344
Liability212,154601,642813,796162,216527,925690,141
Run-off lines
Catastrophe100,89295,662196,554172,70390,557263,260
Property11,302(1,475)9,82712,788(31)12,757
Engineering957316711171181
Total run-off lines112,28994,260206,548185,60290,597276,198
Total Reinsurance671,9911,372,7522,044,742679,8591,166,1851,846,044
Total$1,864,549$4,976,348$6,840,897$1,831,234$4,491,849$6,323,083

(1)    Significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security that resulted in negative gross case reserves of $(54) million at December 31, 2024 (2023: $(60) million) and related negative reinsurance recoverables related to case reserves of $(27) million at December 31, 2024 (2023: $(29) million). Refer to 'Critical Accounting Estimates – Reserve for Losses and Loss Expenses – Reserving for Credit and Political Risk Business' for further details.

At December 31, 2024, reinsurance recoverables as a percentage of loss reserves was 40% (2023: 38%).

The recognition of reinsurance recoverables requires two key estimates as follows:

•The first estimate is the amount of loss reserves to be ceded to our reinsurers. This amount consists of amounts related to case reserves and amounts related to IBNR. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

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•The second estimate is the amount of the reinsurance recoverable balance that we believe ultimately will not be collected from reinsurers. We are selective in choosing reinsurers, buying reinsurance principally from reinsurers with a strong financial condition and industry ratings. The amount we ultimately collect may differ from our estimate due to the ability and willingness of reinsurers to pay claims, which may be negatively impacted by factors such as insolvency, contractual disputes over contract language or coverage and/or other reasons. In addition, economic conditions and/or operational performance of a particular reinsurer may deteriorate, and this could also affect the ability and willingness of a reinsurer to meet their contractual obligations.

Consequently, we review reinsurance recoverables at least quarterly to estimate an allowance for expected credit losses. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

At December 31, 2024, the allowance for expected credit losses was $43 million (2023: $37 million). We have not written off any significant reinsurance recoverable balances in the last three years.

At December 31, 2024, the use of different assumptions could have a material effect on the allowance for expected credit losses. To the extent the creditworthiness of our reinsurers deteriorates due to an adverse event affecting the reinsurance industry, such as a large number of catastrophes, uncollectible amounts could be significantly greater than the allowance for expected credit losses. Given the various considerations used to estimate the allowance for expected credit losses, we cannot precisely quantify the effect a specific industry event may have on the allowance for expected credit losses.

At December 31, 2024, reinsurance recoverables on unpaid and paid losses and loss expenses included 17% that is fully collateralized by the Company’s reinsurers, 81% that is recoverable from reinsurers rated A- or higher by A.M. Best and 2% that is recoverable from reinsurers rated lower than A- by A.M. Best (2023: 14%, 83% and 3%, respectively). Refer to Item 8, Note 12 to the Consolidated Financial Statements 'Commitments and Contingencies' for an analysis of the credit risk associated with reinsurance recoverables.

Gross Premiums Written

Revenues primarily relate to premiums generated by our underwriting operations. The basis for recognizing gross premiums written varies by policy or contract type. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

Insurance Segment

For the majority of our insurance business, a fixed premium that is identified in the policy is recorded at the inception of the policy. This premium is adjusted if underlying insured values change. We actively monitor underlying insured values, and any adjustments to premiums are recognized in the period in which they are determined. Gross premiums written on a fixed premium basis accounted for 94% of the segment’s gross premiums written for the years ended December 31, 2024 and 2023. Some of this business is written through MGAs, third parties granted authority to bind risks on our behalf in accordance with our underwriting guidelines. For this business, premiums are recorded based on monthly statements received from MGAs or best estimates based on historical experience.

The remainder of our insurance business is written on a line slip or proportional basis, where we assume an agreed proportion of the premiums and losses of a particular risk or group of risks along with other unrelated insurers. As premiums for this business are not identified in the policy, premiums are recognized at the inception of the policy based on estimates provided by clients through brokers (refer to 'Reinsurance Segment' below for further details). We review these premium estimates on a quarterly basis and any adjustments to premium estimates are recognized in the period in which they are determined. Gross premiums written on a line slip or proportional basis accounted for 6% of the segment’s gross premiums written for the years ended December 31, 2024 and 2023.

For the credit and political risk line of business, we write certain policies on a multi-year basis. Premiums in respect of these policies are recorded at the inception of the policy based on management’s best estimate of premiums to be received, including assumptions relating to prepayments/refinancing. At December 31, 2024, the average duration of unearned premiums for credit and political risk line of business was 5.6 years (2023: 5.7 years).

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Reinsurance Segment

The reinsurance segment provides cover to cedants (i.e., insurance companies) on an excess of loss or on a proportional basis. In most cases, cedants seek protection from us for business that they have not yet written at the time they enter into agreements with us. Therefore, cedants must estimate their underlying premiums when purchasing reinsurance cover from us.

Excess of loss reinsurance contracts with cedants typically include minimum or deposit premium provisions. For excess of loss reinsurance contracts, minimum or deposit premiums are generally considered to be the best estimate of premiums at the inception of the contract. The minimum or deposit premium is normally adjusted at the end of the contract period to reflect changes in the underlying risks in force during the contract period. Any adjustments to minimum or deposit premiums are recognized in the period in which they are determined. Gross premiums written for excess of loss reinsurance contracts accounted for 40% and 39% of the reinsurance segment’s gross premiums written for the years ended December 31, 2024 and 2023, respectively.

Many of our excess of loss reinsurance contracts also include provisions for automatic reinstatement of coverage in the event of a loss. In a year of significant loss events, reinstatement premiums will be higher than in a year in which there are no large loss events. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' and 'Critical Accounting Estimates – Reserve for Losses and Loss Expenses' above for further details.

For proportional reinsurance contracts, premiums are recognized at the inception of the contract based on estimates to be received from ceding companies. We review these premium estimates on a quarterly basis and evaluate their reasonability in light of premiums reported by cedants. Factors contributing to changes in initial premium estimates may include:

•changes in renewal rates or rates of new business accepted by cedants (changes could result from changes in the relevant insurance market that could affect more than one of our cedants or could be a consequence of changes in the marketing strategy or risk appetite of an individual cedant);

•changes in underlying exposure values; and/or

•changes in rates being charged by cedants.

As a result of this review process, any adjustments to premium estimates are recognized in the period in which they are determined. Changes in premium estimates could be material to gross premiums written in the period. Changes in premium estimates could be also material to net premiums earned in the period in which they are determined, as any adjustment may be substantially or fully earned. Gross premiums written for proportional reinsurance contracts, including adjustments to premium estimates established in prior years, accounted for 60% and 61% of the reinsurance segment’s gross premiums written for the years ended December 31, 2024 and 2023, respectively.

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Gross premiums written for proportional reinsurance contracts incepting during the year were as follows:

Year ended December 31,202420232022
Liability$365,854$356,022$376,462
Accident and health310,907298,577307,082
Professional lines343,208280,381236,454
Credit and surety205,393169,297133,853
Motor40,84868,136135,954
Agriculture140,71499,806112,452
Marine and aviation30,91619,83922,081
Run-off lines
Catastrophe1,3433,463
Property2973,00060,204
Engineering
Total run-off lines2974,34363,667
Total estimated premiums$1,438,137$1,296,401$1,388,005
Gross premiums written (reinsurance segment)$2,390,304$2,215,761$2,629,014
As a % of total gross premiums written60%59%53%

Historical experience has shown that cumulative adjustments to initial premium estimates for proportional reinsurance contracts have ranged from (2%) to 9% over the last 5 years.

We believe that a reasonably likely change to 2024 initial premium estimates for proportional reinsurance contracts would be 3% in either direction. A change in initial premium estimates of this magnitude would result in a change in gross premiums written of approximately $43 million. A change in initial premium estimates of this magnitude would not have a material impact on pre-tax net income, after considering current losses and loss expenses ratios together with acquisition cost ratios.

However, larger variations, positive or negative, are possible.

Net Premiums Earned

Premiums are earned over the period during which we are exposed to the underlying risk. Changes in circumstances subsequent to the inception of contracts can impact the earning periods. For example, when exposure limits for a contract are reached, any associated unearned premiums are fully earned. This can have a significant impact on net premiums earned, particularly for multi-year contracts such as those in the credit and political risk line of business.

Fixed premium insurance policies and excess of loss reinsurance contracts are generally written on a "losses occurring" or "claims made" basis over the term of the contract. Consequently, premiums are earned evenly over the contract term, which is generally 12 months.

Line slip or proportional insurance policies and proportional reinsurance contracts are generally written on a "risks attaching" basis, covering claims that relate to the underlying policies written during the terms of these contracts. As the underlying business incepts throughout the contract term which is typically one year, and the underlying business typically has a one year coverage period, these premiums are generally earned evenly over a 24-month period.

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Fair Value Measurements of Financial Assets and Liabilities

Fair value is defined as the price to sell an asset or transfer a liability (i.e., the "exit price") in an orderly transaction between market participants. Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for information on the valuation techniques, including significant inputs and assumptions generally used in estimating the fair values of our financial instruments.

Fixed Maturities and Equity Securities

At December 31, 2024, the fair values of 94% (2023: 94%) of total fixed maturities and equity securities were based on prices provided by globally recognized independent pricing services where we have a current and detailed understanding of how their prices were derived. The remaining securities were priced by either non-binding broker quotes or internal valuation models.

Generally, we obtain quotes directly from broker-dealers who are active in the corresponding markets when prices are unavailable from independent pricing services. This may also be the case if the pricing from pricing services is not reflective of current market levels, as detected by our pricing control tolerance procedures. Generally, broker-dealers value securities through their trading desks based on observable market inputs. Their pricing methodologies include mapping securities based on trade data, bids or offers, observed spreads and performance on newly issued securities. They may also establish pricing through observing secondary trading of similar securities.

At December 31, 2024 and 2023, we did not adjust any pricing provided by independent pricing services.

Management Pricing Validation

While we obtain pricing from independent pricing services and/or broker-dealers, management is ultimately responsible for determining the fair value measurements of all securities. To ensure fair value measurement is applied consistently and in accordance with U.S. GAAP, annually, we update our understanding of the pricing methodologies used by the pricing services and broker-dealers.

We also challenge any prices we believe may not be representative of fair value under current market conditions. Our review process includes, but is not limited to:

•initial and ongoing evaluation of the pricing methodologies and valuation models used by outside parties to calculate fair value;

•quantitative analysis;

•a review of multiple quotes obtained in the pricing process and the range of resulting fair values for each security, if available; and

•randomly selecting purchased or sold securities and comparing the executed prices to the fair value estimates provided by the independent pricing sources and broker-dealers.

Other Investments

Multi-strategy Funds, Direct Lending Funds, Private Equity Funds and Real Estate Funds

The fair values of multi-strategy funds, direct lending funds, private equity funds and real estate funds are estimated using net asset values (NAVs) as advised by external fund managers or third-party administrators. At December 31, 2024, the estimated fair value of our investments in these funds was $808 million (2023: $836 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

CLO-Equities

The fair values of CLO-Equities are estimated using a discounted cash flow model prepared by an external investment manager. At December 31, 2024, the estimated fair value of our indirect investment in CLO-Equities was $nil (2023: $5 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

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Other Privately Held Investments

Other privately held investments include common shares, preferred shares, convertible notes, convertible preferred shares, investments in limited partnerships (refer to "private company investment funds" below), and a variable yield security.

These investments are initially valued at cost, which approximates fair value. In subsequent measurement periods, the fair values of these investments are derived from one or a combination of valuation methodologies which consider factors including recent capital raises by the investee companies, comparable precedent transaction multiples, comparable publicly traded multiples, third-party valuations, discounted cash-flow models, and other techniques that consider the industry and development stage of each investee company. The fair value of the variable yield security was determined using an externally developed discounted cash flow model.

At December 31, 2024, the estimated fair value of these investments was $92 million (2023: $87 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Other privately held investments includes investments in private company investment funds focusing on financial services technology companies with an emphasis on insurance technology companies ("private company investment funds").

The fair values of private company investment funds are estimated using NAVs as advised by external fund managers or third-party administrators. At December 31, 2024, the estimated fair value of our investments in these funds was $30 million (2023: $21 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale

Fixed maturities classified as available for sale are reported at fair value at the balance sheet date and are presented net of an allowance for expected credit losses. Our available for sale ("AFS") investment portfolio is the largest component of total assets, and it is a multiple of shareholders’ equity. As a result, impairment losses could be material to our results of operations and financial condition particularly during periods of dislocation in financial markets.

A fixed maturity, available for sale security is impaired if the fair value of the investment is below amortized cost. On a quarterly basis, the Company evaluates all fixed maturities, available for sale for impairment losses.

Details regarding our processes for the identification of impairments of fixed maturities, available for sale and the recognition of the related impairment losses are disclosed in Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies'.

In addition, the methodologies and significant inputs used to estimate the allowance for expected credit losses are disclosed in Item 8, Note 5(i) to the Consolidated Financial Statements 'Investments'.

At December 31, 2024, we recorded an allowance for expected credit losses of $4 million (2023: $11 million) and for the year ended December 31, 2024, we recorded impairment losses of $nil (2023: $13 million) (refer to 'Net Investment Income and Net Investment Gains (Losses)' for further details). The allowance for expected credit loss is charged to net income (loss) and is included in net investment gains (losses) in the consolidated statements of operations.

Intent or Requirement to Sell

From time to time, we may sell fixed maturities, available for sale subsequent to the balance sheet date that we did not intend to sell at the balance sheet date. Conversely, we may not sell fixed maturities, available for sale that we intended to sell at the balance sheet date. These changes in intent may arise due to events occurring subsequent to the balance sheet date. The types of events that may result in a change in intent include, but are not limited to, significant changes in the economic facts and circumstances related to the specific issuer, changes in liquidity needs, or changes in tax laws or the regulatory environment.

U.S. Treasury Securities and Other Highly Rated Debt Instruments

Our credit impairment review process excludes fixed maturities, available for sale guaranteed, either explicitly or implicitly, by the U.S. government and its agencies (U.S. Government, U.S. Agency and U.S. Agency RMBS) because we anticipate these securities will not be settled below amortized cost. These securities are evaluated for intent or requirement to sell at a loss.

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RECENT ACCOUNTING PRONOUNCEMENTS

At December 31, 2024, there were no recently issued accounting pronouncements that we have not yet adopted that we expect could have a material impact on our results of operations, financial condition or liquidity.

FY 2023 10-K MD&A

SEC filing source: 0001214816-24-000024.

Extracted structurally from real Item 7 body heading to real Item 7A/8 boundary. Confidence: high. Filing date: 2024-02-27. Report date: 2023-12-31.

ITEM 7.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following is a discussion and analysis of our results of operations for the years ended December 31, 2023 and 2022, and our financial condition at December 31, 2023 and 2022. This should be read in conjunction with Item 8 'Financial Statements and Supplementary Data' of this report. Unless otherwise noted, tabular dollars are in thousands, except per share amounts. Amounts may not reconcile due to rounding differences.

Page
2023 Financial Highlights59
Overview60
Consolidated Results of Operations62
Results by Segment:
i) Insurance Segment64
ii) Reinsurance Segment67
Net Investment Income and Net Investment Gains (Losses)72
Other Expenses (Revenues), Net75
Financial Measures77
Non-GAAP Financial Measures Reconciliation79
Cash and Investments82
Liquidity and Capital Resources89
Critical Accounting Estimates95
i) Reserve for Losses and Loss Expenses96
ii) Reinsurance Recoverable on Unpaid Losses and Loss Expenses102
iii) Gross Premiums Written103
iv) Net Premiums Earned105
v) Fair Value Measurements of Financial Assets and Liabilities106
vi) Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale107
Recent Accounting Pronouncements108

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2023 FINANCIAL HIGHLIGHTS

2023 Consolidated Results of Operations

•Net income available to common shareholders of $346 million, or $4.06 per common share, and $4.02 per diluted common share

•Operating income(1) of $486 million, or $5.65 per diluted common share(1)

•Gross premiums written of $8.4 billion

•Net premiums written of $5.1 billion

•Net premiums earned of $5.1 billion

•Pre-tax catastrophe and weather-related losses, net of reinsurance, of $138 million ($116 million, after-tax), (Insurance: $111 million; Reinsurance: $27 million), or 2.7 points primarily attributable to Cyclone Gabrielle and other weather-related events.

•Net adverse prior year reserve development of $412 million

•Underwriting income(2) of $161 million and combined ratio of 99.9%

•Net investment income of $612 million

•Net investment losses of $75 million

•Foreign exchange losses of $58 million

2023 Consolidated Financial Condition

•Total cash and investments of $16.7 billion; fixed maturities, short-term investments, and cash and cash equivalents comprise 86% of total cash and investments and have an average credit rating of AA-

•Total assets of $30.3 billion

•Reserve for losses and loss expenses of $16.4 billion and reinsurance recoverable on unpaid and paid losses and loss expenses of $6.9 billion.

•Debt of $1.3 billion and a debt to total capital ratio(3) of 20.0%

•Common shares repurchased from employees to satisfy personal withholding tax liabilities that arise on the vesting of share-settled restricted stock units were 398,000 common shares for a total of $24 million

•Common shareholders’ equity of $4.7 billion; book value per diluted common share of $54.06

(1) Operating income (loss) and operating income (loss) per diluted common share are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. The reconciliations to the most comparable GAAP financial measures, net income (loss) available (attributable) to common shareholders and earnings (loss) per diluted common share, respectively, and a discussion of the rationale for the presentation of these items are provided in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, net income (loss), is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations', and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)The debt to total capital ratio is calculated by dividing debt by total capital. Total capital represents the sum of total shareholders’ equity and debt.

59

OVERVIEW

Business Overview

AXIS Capital, through its operating subsidiaries, is a global specialty underwriter and provider of insurance and reinsurance solutions with operations in Bermuda, the U.S., Europe, Singapore and Canada. Our underwriting operations are organized around our global underwriting platforms, AXIS Insurance and AXIS Re.

We provide our clients and distribution partners with a broad range of risk transfer products and services, and strong capacity, backed by excellent financial strength. We manage our portfolio holistically, aiming to construct the optimum portfolio of risks, consistent with our risk appetite and the development of our franchise. We nurture an ethical, entrepreneurial, disciplined and diverse culture that promotes outstanding client service, intelligent risk taking, operating efficiency, corporate citizenship and the achievement of superior risk-adjusted returns for our shareholders. We believe that the achievement of our objectives will position us as a global leader in specialty risks. The execution of our business strategy in 2023 included the following:

•growing in a number of attractive specialty lines insurance and treaty reinsurance markets including U.S. excess and surplus lines, North America professional lines and Lloyd's specialty insurance business;

•re-balancing our portfolio towards less volatile lines of business, that carry attractive returns while deploying capital within risk limits, diversification and risk management;

•investing in attractive growth markets and advancing capabilities to address more transactional specialist business targeting the lower middle market with our key distribution partners;

•leveraging our global platform to introduce our products and services to new regions including the expansion of our London specialty lines to North America markets;

•continuing the implementation of a more focused distribution strategy while building mutually beneficial relationships with clients and partners;

•improving the effectiveness and efficiency of our operating platforms and processes;

•investing in data and technology capabilities, and tools to empower our underwriters and enhance the service that we provide to our customers;

•utilizing reinsurance markets and third-party capital relationships;

•fostering a positive workplace environment that enables us to attract, retain and develop top talent; and

•growing our corporate citizenship program to give back to our communities and help contribute to a more sustainable future.

For discussion of our results of operations and changes in financial condition for year ended December 31, 2022, compared to year ended December 31, 2021, refer to Part II, Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in our 2022 Form 10-K, which was filed with the SEC on February 27, 2023, and such discussions are incorporated herein by reference.

60

Outlook

We are committed to leadership in specialty insurance and reinsurance. We believe our market positioning, specialty underwriting acumen, global platform, claims management capabilities and deep relationships with our distributors and clients, supported by a conservative and well performing investment portfolio, will provide opportunities for increased profitability, with differences among our lines of business driven by our tactical response to market conditions.

We anticipate overall rate movement to remain positive, in excess of loss cost trends, in the traditional property and casualty insurance classes but to continue to be challenged across the professional lines sector. Following multiple years of rate increases outpacing loss cost trends, pricing across most lines remains above loss cost trends as we continue to pursue selective profitable growth areas.

Market dislocations in the admitted market continue to drive additional risk types into the Wholesale channel. We anticipate this continuing throughout 2024 with strong market opportunities arising predominantly in the Specialty and E&S lines. We continue to pursue targeted growth opportunities by employing a disciplined underwriting appetite and strategy.

Pricing momentum in non-proportional reinsurance continues to be strong while our proportional reinsurance business is benefiting from rate increases in the underlying business. We expect these market conditions to persist in the near term. We continue to focus on underwriting discipline to drive targeted profitable growth among the specialty and casualty reinsurance lines that we offer.

We are encouraged by the pricing improvements we are seeing across most markets, which we expect will carry through 2024, and that rate will continue to keep pace with loss cost trends in the majority of our lines. Where prices continue to deliver adequate profitability, we will look to grow within our risk and volatility guidelines. With a strengthened book of business, and a growing footprint in specialty markets that are seeing the most favorable conditions, we believe AXIS is well positioned to drive profitable growth within the current environment.

Recent Developments

Retrocession Agreement with Monarch Point Re

On September 22, 2023 (the "closing date"), we entered into an agreement, with an effective date of January 1, 2023, to retrocede a diversified portfolio of casualty reinsurance business to Monarch Point Re. The agreement covers losses both on a prospective basis and on a retroactive basis. Therefore, we have bifurcated the prospective and retroactive elements of the agreement and are accounting for each element separately. Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' and Note 18 to the Consolidated Financial Statements 'Related Party Transactions' for further details.

Loan to Monarch Point Re

During 2023, we advanced an amount of $297 million to Monarch Point Re. This loan will be repaid in a manner consistent with the timing of amounts due to Monarch Point Re under the retrocession agreement. At December 31, 2023, the Company had committed to advance a further $16 million to Monarch Point Re.

How We Work Program

Reorganization expenses of $29 million include impairments of computer software assets and severance costs mainly attributable to our "How We Work" program which is focused on simplifying our operating structure.

Bermuda Corporate Income Tax Act of 2023

The Bermuda Minister of Finance, under the Exempted Undertakings Tax Protection Act 1966 of Bermuda, as amended, has given each of our Bermuda resident companies an assurance that if any legislation is enacted in Bermuda that would impose tax computed on profits or income, or computed on any capital asset, gain or appreciation, or any tax in the nature of estate duty or inheritance tax, then the imposition of any such tax will not be applicable to our Bermuda resident companies or any of their respective operations, shares, debentures or other obligations until March 31, 2035.

Notwithstanding the above, on December 27, 2023, the Bermuda government enacted a corporate income tax which will apply for accounting periods starting on or after January 1, 2025. Importantly, under the Corporate Income Tax Act 2023 of Bermuda, any liability to the tax will apply regardless of any assurances previously provided under the Exempted Undertakings Tax Protection Act 1966 of Bermuda. This tax will likely have a material impact on our effective tax rate.

61

CONSOLIDATED RESULTS OF OPERATIONS

Year ended December 31,2023% Change2022% Change2021
Underwriting revenues:
Gross premiums written$8,356,5252%$8,214,5957%$7,685,984
Net premiums written5,102,325(3%)5,263,0567%4,926,624
Net premiums earned5,083,781(1%)5,160,32610%4,709,850
Other insurance related income22,49572%13,073(44%)23,295
Underwriting expenses:
Net losses and loss expenses(3,393,102)5%(3,242,410)8%(3,008,783)
Acquisition costs(1,000,945)(2%)(1,022,017)11%(921,834)
Underwriting-related general and administrative expenses(1)(551,467)—%(550,289)3%(536,834)
Underwriting income(2)160,762358,683265,694
Net investment income611,74246%418,829(8%)454,301
Net investment gains (losses)(74,630)(84%)(456,789)nm134,279
Corporate expenses(1)(132,979)2%(130,054)3%(126,470)
Foreign exchange (losses) gains(58,115)nm157,945nm(315)
Interest expense and financing costs(68,421)8%(63,146)1%(62,302)
Reorganization expenses(28,997)(8%)(31,426)nm
Amortization of value of business acquired—%nm(3,854)
Amortization of intangible assets(10,917)—%(10,917)(12%)(12,424)
Income before income taxes and interest in income of equity method investments398,445243,125648,909
Income tax expense(26,316)19%(22,037)(65%)(62,384)
Interest in income of equity method investments4,163nm1,995(94%)32,084
Net income376,292223,083618,609
Preferred share dividends(30,250)—%(30,250)—%(30,250)
Net income available to common shareholders$346,042$192,833$588,359

nm – not meaningful is defined as a variance greater than +/-100%

(1)Underwriting-related general and administrative expenses is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to general and administrative expenses, the most comparable GAAP financial measure, also included corporate expenses of $133 million, $130 million, and $126 million for 2023, 2022, and 2021, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net'' for further details on corporate expenses. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to net income (loss), the most comparable GAAP financial measure, is presented in the table above. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

62

Underwriting Revenues

Underwriting revenues by segment were as follows:

Year ended December 31,2023% Change2022% Change2021
Gross premiums written:
Insurance$6,140,76410%$5,585,58115%$4,863,232
Reinsurance2,215,761(16%)2,629,014(7%)2,822,752
Total gross premiums written$8,356,5252%$8,214,5957%$7,685,984
Percent of gross premiums written ceded:
Insurance39%(1 pt )40%— pt40%
Reinsurance39%11 pts28%— pt28%
Total percent of gross premiums written ceded39%3 pts36%— pt36%
Net premiums written:
Insurance$3,758,72011%$3,377,90617%$2,894,885
Reinsurance1,343,605(29%)1,885,150(7%)2,031,739
Total net premiums written$5,102,325(3%)$5,263,0567%$4,926,624
Net premiums earned:
Insurance$3,461,70010%$3,134,15518%$2,651,339
Reinsurance1,622,081(20%)2,026,171(2%)2,058,511
Total net premiums earned$5,083,781(1%)$5,160,32610%$4,709,850

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further details on underwriting revenues.

Combined Ratio

The components of the combined ratio were as follows:

Year ended December 31,2023% Point Change2022% Point Change2021
Current accident year loss ratio, excluding catastrophe and weather-related losses55.9%0.455.5%0.455.1%
Catastrophe and weather-related losses ratio2.7%(5.1)7.8%(1.7)9.5%
Current accident year loss ratio58.6%(4.7)63.3%(1.3)64.6%
Prior year reserve development ratio8.1%8.6(0.5%)0.2(0.7%)
Net losses and loss expenses ratio66.7%3.962.8%(1.1)63.9%
Acquisition cost ratio19.7%(0.1)19.8%0.219.6%
General and administrative expense ratio(1)13.5%0.313.2%(0.8)14.0%
Combined ratio99.9%4.195.8%(1.7)97.5%

(1)The general and administration expense ratio included corporate expenses not allocated to underwriting segments of 2.6%, 2.5% and 2.7% for 2023, 2022 and 2021, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net' for further details.

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further details on underwriting expenses.

63

RESULTS BY SEGMENT

Insurance Segment

Results for the insurance segment were as follows:

Year ended December 31,2023% Change2022% Change2021
Revenues:
Gross premiums written$6,140,76410%$5,585,58115%$4,863,232
Net premiums written3,758,72011%3,377,90617%2,894,885
Net premiums earned3,461,70010%3,134,15518%2,651,339
Other insurance related income (loss)(198)nm559(66%)1,662
Expenses:
Current accident year net losses and loss expenses(1,903,648)(1,802,204)(1,533,358)
Prior year reserve development(176,353)16,35018,360
Acquisition costs(648,463)(577,838)(484,344)
Underwriting-related general and administrative expenses(472,094)(443,704)(429,282)
Underwriting income$260,944$327,318$224,377
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses51.8%0.851.0%(0.4)51.4%
Catastrophe and weather-related losses ratio3.2%(3.3)6.5%0.16.4%
Current accident year loss ratio55.0%(2.5)57.5%(0.3)57.8%
Prior year reserve development ratio5.1%5.6(0.5%)0.2(0.7%)
Net losses and loss expenses ratio60.1%3.157.0%(0.1)57.1%
Acquisition cost ratio18.7%0.318.4%0.118.3%
Underwriting-related general and administrative expense ratio13.7%(0.5)14.2%(2.0)16.2%
Combined ratio92.5%2.989.6%(2.0)91.6%

nm – not meaningful

64

Gross Premiums Written

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2023202220212022 to 20232021 to 2022
Professional lines$1,140,69519%$1,322,96624%$1,290,76726%(14%)2%
Property1,736,58628%1,357,48924%1,192,98125%28%14%
Liability1,256,95120%1,138,64520%930,99919%10%22%
Cyber649,16011%644,74612%525,34911%1%23%
Marine and aviation771,16213%652,68712%580,63512%18%12%
Accident and health333,5595%258,3995%178,8994%29%44%
Credit and political risk252,6514%210,6493%163,6023%20%29%
Total$6,140,764100%$5,585,581100%$4,863,232100%10%15%

Gross premiums written in 2023 increased by $555 million, or 10%, compared to 2022. The increase was primarily attributable to property, marine and aviation, liability, accident and health, and credit and political risk lines, partially offset by a decrease in professional lines.

The increases in property, marine and aviation, liability, and credit and political risk lines were due to favorable rate changes and new business. The increase in accident and health lines was due to new business.

The decrease in professional lines reflected the unattractive pricing environment for U.S. public D&O business, together with a lower level of activity in transactional liability business.

Ceded Premiums Written

Ceded premiums written in 2023 were $2,382 million, or 39% of gross premiums written, compared to $2,208 million, or 40% in 2022. The increase in ceded premiums written of $174 million, or 8% was primarily driven by increases in property, liability, and marine and aviation lines, partially offset by a decrease in professional lines.

The increases in property, liability, and marine and aviation lines reflected the increase in gross premiums written in 2023, compared to 2022. The increase in property lines was also attributable to the restructuring of a significant existing quota share treaty.

The decrease in professional lines reflected the decrease in gross premiums written for 2023, compared to 2022. The decrease in professional lines was also due to the restructuring of a significant existing quota share treaty.

65

Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2023202220212022 to 20232021 to 2022
Professional lines$764,55822%$817,92426%$646,39023%(7%)27%
Property878,84926%755,98624%711,29727%16%6%
Liability496,38114%459,77515%354,78713%8%30%
Cyber323,0259%309,00410%252,07710%5%23%
Marine and aviation567,29216%479,49915%439,05017%18%9%
Accident and health306,0619%209,5487%151,1336%46%39%
Credit and political risk125,5344%102,4193%96,6054%23%6%
Total$3,461,700100%$3,134,155100%$2,651,339100%10%18%

Net premiums earned in 2023 increased by $328 million, or 10% ($365 million, or 12%, on a constant currency basis(1)), compared to 2022. The increase was primarily driven by increases in gross premiums earned in property, liability, marine and aviation, accident and health, credit and political risk, and cyber lines, together with a decrease in ceded premiums earned in professional lines. These amounts were partially offset by increases in ceded premiums earned in property, liability, and marine and aviation lines together with a decrease in gross premiums earned in professional lines.

Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2023% Point Change2022% Point Change2021
Current accident year loss ratio55.0%(2.5)57.5%(0.3)57.8%
Prior year reserve development ratio5.1%5.6(0.5%)0.2(0.7%)
Loss ratio60.1%3.157.0%(0.1)57.1%

Current Accident Year Loss Ratio

The current accident year loss ratio decreased to 55.0% in 2023 from 57.5% in 2022. The decrease in the current accident year loss ratio was impacted by a lower level of catastrophe and weather-related losses.

During 2023, catastrophe and weather-related losses, net of reinsurance, were $111 million, or 3.2 points, primarily attributable to the Israel-Hamas conflict, the Earthquake in Turkey, Maui wildfires, Cyclone Gabrielle, Typhoon Mawar and other weather-related events.

Comparatively, in 2022, catastrophe and weather-related losses, net of reinstatement premiums, were $207 million, or 6.5 points, including natural catastrophe and weather-related losses of $177 million, or 5.6 points, primarily attributable to Hurricane Ian, Winter Storm Elliot, Eastern Australia floods, South Africa floods, and other weather-related events. The remaining losses of $29 million, or 0.9 points, were attributable to the Russia-Ukraine war.

Adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio increased to 51.8% in 2023 from 51.0% in 2022. The increase in the current accident year loss ratio, after adjusting for the impact of the catastrophe and weather-related losses was principally due to elevated loss experience in property, and marine and aviation lines, and heightened loss trends in liability lines consistent with changes in loss assumptions reflected in recent periods, partially offset by the changes in business mix associated with the increase in property business and the decrease in professional lines business written in recent periods.

(1) Amounts presented on a constant currency basis are non-GAAP financial measures as defined in Item10 (e) of SEC Regulation S-K. The constant currency basis is calculated by applying the average foreign exchange rate from the current year to the prior year balance.

66

Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details on the lines of business and prior year development.

Acquisition Cost Ratio

The acquisition cost ratio increased to 18.7% in 2023 from 18.4% in 2022, principally related to a decrease in ceding commissions largely associated with changes in business mix driven by an increase in property business which is associated with relatively lower ceding commissions and a decrease in professional lines business written in recent periods which is associated with relatively higher ceding commissions.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio decreased to 13.7% in 2023 from 14.2% in 2022, mainly driven by an increase in net premiums earned, partially offset by increases in personnel costs and performance-related compensation costs.

Reinsurance Segment

Results for the reinsurance segment were as follows:

Year ended December 31,2023% Change2022% Change2021
Revenues:
Gross premiums written$2,215,761(16%)$2,629,014(7%)$2,822,752
Net premiums written1,343,605(29%)1,885,150(7%)2,031,739
Net premiums earned1,622,081(20%)2,026,171(2%)2,058,511
Other insurance related income22,69381%12,514(42%)21,633
Expenses:
Current accident year net losses and loss expenses(1,077,572)(1,465,739)(1,507,835)
Prior year reserve development(235,529)9,18314,049
Acquisition costs(352,482)(444,179)(437,490)
Underwriting-related general and administrative expenses(79,373)(106,585)(107,552)
Underwriting income (loss)$(100,182)$31,365$41,317
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses64.8%2.262.6%2.759.9%
Catastrophe and weather-related losses ratio1.6%(8.1)9.7%(3.6)13.3%
Current accident year loss ratio66.4%(5.9)72.3%(0.9)73.2%
Prior year reserve development ratio14.6%15.0(0.4%)0.2(0.6%)
Net losses and loss expenses ratio81.0%9.171.9%(0.7)72.6%
Acquisition cost ratio21.7%(0.2)21.9%0.621.3%
Underwriting-related general and administrative expense ratio4.9%(0.4)5.3%0.25.1%
Combined ratio107.6%8.599.1%0.199.0%

67

Gross Premiums Written:

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2023202220212022 to 20232021 to 2022
Liability$642,80129%$719,83127%$722,93126%(11%)%
Accident and health396,66818%411,89116%398,64114%(4%)3%
Professional lines379,22217%400,80715%353,67113%(5%)13%
Credit and surety351,08316%298,56511%208,1087%18%43%
Motor201,4669%239,7949%279,96610%(16%)(14%)
Agriculture126,3006%128,0125%86,1283%(1%)49%
Marine and aviation62,2603%93,3714%73,9683%(33%)26%
Run-off lines
Catastrophe30,1751%222,8109%492,39716%(86%)(55%)
Property21,5131%103,4924%213,4068%(79%)(52%)
Engineering4,273%10,441%(6,464)%(59%)nm
Total run-off lines55,9612%336,74313%699,33924%(83%)(52%)
Total$2,215,761100%$2,629,014100%$2,822,752100%(16%)(7%)

nm – not meaningful

Gross premiums written in 2023 decreased by $413 million, or 16% ($365 million, or 14%, on a constant currency basis), compared to 2022. The decrease was primarily attributable to catastrophe, property, liability, motor, marine and aviation, professional lines, accident and health, and engineering lines, partially offset by an increase in credit and surety lines.

The decreases in catastrophe and property lines were associated with the exit from these lines of business in June 2022.

The decrease in liability lines was related to non-renewals of U.S. regional multi-line business that included a high proportion of property exposures and a decreased line size on a significant contract following the exit from catastrophe and property lines of business, together with non-renewals and decreased line sizes associated with repositioning the portfolio, partially offset by new business.

The decrease in motor lines was due to non-renewals and decreased line sizes associated with repositioning the portfolio and the timing of the renewal of a significant contract, partially offset by premium adjustments attributable to significant contracts associated with favorable market conditions, and new business.

The decrease in marine and aviation lines was driven by non-renewals of marine business and the exit from aviation business effective January 1, 2023.

The decrease in professional lines was attributable to lower premium adjustments associated with favorable market conditions in 2023, compared to 2022, together with the non-renewals of several under-performing contracts, partially offset by new business and increased line sizes.

The decrease in accident and health lines was related to lower premium adjustments in 2023, compared to 2022, together with the timing of renewals of two significant contracts, partially offset by the increased line size of a significant contract.

The decrease in engineering lines was attributable to premium adjustments related to a significant contract in 2022.

The increase in credit and surety lines was driven by new business, including mortgage business, partially offset by the timing of the renewal of a significant contract and premium adjustments related to several surety contracts.

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Ceded Premiums Written

Ceded premiums written in 2023 were $872 million, or 39%, of gross premiums written, compared to $744 million, or 28%, in 2022. The increase in ceded premiums written of $128 million, or 17%, was primarily driven by increases in liability, professional lines, accident and health, credit and surety, motor, and agriculture lines, partially offset by a decrease in catastrophe lines.

The increases in liability, professional lines, accident and health, credit and surety, and motor lines were primarily attributable to premiums ceded to a quota share retrocession agreement entered into with Monarch Point Re on September 22, 2023 with an effective date of January 1, 2023. Refer to Item 7 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Overview – Recent Developments – Retrocession Agreement with Monarch Point Re' for further information.

The increase in liability lines was partially offset by the decrease in gross premiums written in 2023, compared to 2022, the non-renewal of a significant retrocessional treaty with a strategic capital partner and the restructuring of a significant quota share retrocessional treaty.

The increase in professional lines was partially offset by the non-renewal of a significant retrocessional treaty with a strategic capital partner.

The increase in accident and health lines was also attributable to the restructuring of a significant quota share retrocessional treaty with a strategic capital partner.

The increase in credit and surety lines was partially offset by the restructuring of a significant quota share retrocessional treaty and the non-renewal of a fronting arrangement.

The increase in motor lines was partially offset by the decrease in gross premiums written in 2023, compared to 2022.

The increase in agriculture lines was attributable to premiums ceded to a new quota share retrocessional treaty.

The decrease in catastrophe lines was due to lower costs associated with catastrophe bond protection, together with the decrease in gross premiums written in 2023, compared to 2022 following the exit from this line of business in June 2022.

69

Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2023202220212022 to 20232021 to 2022
Liability$403,23925%$484,68124%$431,59621%(17%)12%
Accident and health341,80621%368,74718%361,19618%(7%)2%
Professional lines205,40413%250,91112%220,44811%(18%)14%
Credit and surety236,40815%192,92610%158,5498%23%22%
Motor155,94210%205,77410%247,09912%(24%)(17%)
Agriculture121,6287%122,2896%82,7434%(1%)48%
Marine and aviation65,6584%78,5044%58,7753%(16%)34%
Run-off lines
Catastrophe33,9631%156,2327%238,77511%(78%)(35%)
Property44,5083%135,4807%231,09211%(67%)(41%)
Engineering13,5251%30,6272%28,2381%(56%)8%
Total run-off lines91,9965%322,33916%498,10523%(71%)(35%)
Total$1,622,081100%$2,026,171100%$2,058,511100%(20%)(2%)

Net premiums earned in 2023 decreased by $404 million, or 20%, ($337 million, or 17%, on a constant currency basis), compared to 2022. The decrease was primarily driven by decreases in gross premiums earned in catastrophe, property, liability, motor, professional lines, engineering, marine and aviation, and accident and health lines, together with increases in ceded premiums earned in motor, accident and health, credit and surety, professional lines and liability lines. These amounts were partially offset by decreases in ceded premiums earned in catastrophe lines and increases in gross premiums earned in credit and surety lines.

Other Insurance Related Income (Loss)

Other insurance related income of $23 million in 2023, compared to other insurance related income of $13 million in 2022, an increase of $10 million, primarily associated with an increase in fees related to arrangements with strategic capital partners.

Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2023% Point Change2022% Point Change2021
Current accident year loss ratio66.4%(5.9)72.3%(0.9)73.2%
Prior year reserve development ratio14.6%15.0(0.4%)0.2(0.6%)
Loss ratio81.0%9.171.9%(0.7)72.6%

Current Accident Year Loss Ratio

The current accident year loss ratio decreased to 66.4% in 2023 from 72.3% in 2022. The decrease in the current accident year loss ratio was impacted by a lower level of catastrophe and weather-related losses.

During 2023, catastrophe and weather-related losses, net of reinsurance, were $27 million, or 1.6 points, primarily attributable to Cyclone Gabrielle and other weather-related events.

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Comparatively, in 2022, catastrophe and weather-related losses, net of reinstatement premiums, were $196 million, or 9.7 points, including natural catastrophe and weather-related losses of $160 million, or 8.0 points, primarily attributable to Hurricane Ian, June European Convective Storms, Eastern Australia floods, South Africa floods, Winter Storm Elliot, and other weather-related events. The remaining losses included $23 million, or 1.1 points, attributable to the COVID-19 pandemic, and $13 million, or 0.6 points, attributable to the Russia-Ukraine war.

Adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio increased to 64.8% in 2023 from 62.6% in 2022, principally due to changes in business mix associated with the exit from catastrophe lines, partially offset by changes in business mix due to the increase in credit and surety business written in the recent periods which are associated with a relatively lower loss ratio.

Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details on the lines of business and prior year development.

Acquisition Cost Ratio

The acquisition cost ratio decreased to 21.7% in 2023 from 21.9% in 2022, principally related to an increase in ceding commissions from retrocessional agreements due to changes in business mix driven by increases in credit and surety, professional lines, liability, accident and health, and motor business written in recent periods, together with decreases in catastrophe and property business written in recent periods.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio decreased to 4.9% in 2023 from 5.3% in 2022, mainly driven by a decrease in personnel costs associated with the exit from catastrophe and property lines, partially offset by decreases in net premiums earned and fees related to arrangements with strategic capital partners.

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NET INVESTMENT INCOME AND NET INVESTMENT GAINS (LOSSES)

Net Investment Income

Net investment income from our cash and investment portfolio by major asset class was as follows:

Year ended December 31,2023% Change2022% Change2021
Fixed maturities$514,84256%$329,85826%$262,049
Other investments20,411(64%)57,043(69%)181,906
Equity securities12,08816%10,390(19%)12,752
Mortgage loans35,31251%23,40734%17,427
Cash and cash equivalents50,261nm20,273nm4,454
Short-term investments8,924nm3,535nm664
Gross investment income641,83844%444,506(7%)479,252
Investment expense(30,096)17%(25,677)3%(24,951)
Net investment income$611,74246%$418,829(8%)$454,301
Pre-tax yield:(1)
Fixed maturities3.9%2.6%2.2%

nm – not meaningful

(1)Pre-tax yield is calculated by dividing net investment income by the average month-end amortized cost balances.

Fixed Maturities

2023 versus 2022: Net investment income in 2023 increased by $185 million or 56%, compared to 2022 due to an increase in yields.

Other Investments

Other investments include multi-strategy funds, direct lending funds, private equity funds, real estate funds, other privately held investments and an indirect investment in CLO-Equities. These investments are recorded at fair value, with changes in fair value and income distributions reported in net investment income. Consequently, the pre-tax return on other investments may vary materially year over year, particularly during volatile equity and credit markets.

Net investment income from other investments was as follows:

Year ended December 31,202320222021
Multi-strategy, direct lending, private equity and real estate funds$20,867$39,151$133,923
Other privately held investments(2,875)14,93144,482
CLO-Equities2,4192,9613,501
Total net investment income from other investments$20,411$57,043$181,906
Pre-tax return on other investments(1)2.1%5.9%21.4%

(1)The pre-tax return on other investments is calculated by dividing total net investment income from other investments by the average month-end fair value balances held for the periods indicated.

2023 versus 2022: Pre-tax return on other investments in 2023 decreased to 2.1%, compared to 5.9% in 2022. The decrease was primarily attributable to lower returns from real estate funds and other privately held investments.

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Net Investment Gains (Losses)

Fixed maturities classified as available for sale are reported at fair value. Realized gains (losses) on fixed maturities are reported in net investment gains (losses) when these securities are sold or impaired.

Equity securities are reported at fair value. Realized gains (losses) on equity securities are also reported in net investment gains (losses) when securities are sold or impaired. In addition, changes in the fair values of equity securities are reported in net investment gains (losses).

Changes in the fair value of investment derivatives, mainly foreign exchange forward contracts are recorded in net investment gains (losses).

Net investment gains (losses) were as follows:

Year ended December 31,202320222021
On sale of investments:
Fixed maturities and short-term investments$(125,160)$(311,822)$95,116
Equity securities16,2087,2814,717
(108,952)(304,541)99,833
(Increase) decrease in allowance for expected credit losses, fixed maturities, available for sale974(11,421)11
(Increase) decrease in allowance for expected credit losses, mortgage loans(6,220)
Impairment losses (1)(12,757)(12,568)(22)
Change in fair value of investment derivatives(1,456)7,6564,346
Net unrealized gains (losses) on equity securities53,781(135,915)30,111
Net investment gains (losses)$(74,630)$(456,789)$134,279

(1) Related to instances where we intend to sell securities, or it is more likely than not that we will be required to sell securities before their anticipated recovery.

2023 versus 2022: Net investment losses in 2023 were $75 million compared to net investment losses of $457 million in 2022. Net investment losses reported in 2023 mainly reflected net realized losses on the sale of corporate debt, U.S. government and Non-Agency CMBS, partially offset by net unrealized gains on equity securities. Net investment losses reported in 2022 mainly reflected net realized losses on the sale of corporate debt, U.S. government and Agency RMBS and net unrealized losses on equity securities.

On Sale of Investments

Generally, sales of individual securities occur when there are changes in the relative value, credit quality, or duration of a particular issue. We may also sell securities to re-balance our investment portfolio in order to change exposure to particular asset classes or sectors.

(Increase) Decrease in Allowance for Expected Credit Losses, Mortgage Loans

2023 versus 2022: The allowance for expected credit losses increased by $6 million in 2023 compared to $nil in 2022. The increase was primarily related to two collateral dependent mortgage loans.

Impairment Losses

The impairment losses (refer to 'Critical Accounting Estimates – Impairment losses' for further details) recognized in net income were as follows:

2023 versus 2022: Impairment losses in 2023 and 2022 were $13 million. The impairment losses in 2023 and 2022 were principally due to impairments of non-investment grade corporate debt securities that we intended to sell or where we determined that it was more likely than not that we were required to sell securities before their anticipated recovery.

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Change in Fair Value of Investment Derivatives

We economically hedge foreign exchange exposure with derivative contracts.

During 2023, foreign exchange hedges resulted in $1 million of net losses which primarily related to securities denominated in pound sterling and euro which experienced volatility during 2023.

During 2022, foreign exchange hedges resulted in $8 million of net gains which primarily related to securities denominated in pound sterling and euro which experienced volatility during 2022.

Our derivative instruments are not designated as hedges. Therefore, net unrealized gains (losses) on the hedged securities were recorded in accumulated other comprehensive income (loss) in total shareholders’ equity.

Total Return

Our investment strategy is to take a long-term view by actively managing our investment portfolio to maximize total return within certain guidelines and constraints. In assessing returns under this approach, we include net investment income, net investment gains (losses), the change in unrealized gains (losses) on fixed maturities, and interest in income (loss) of equity method investments generated by our investment portfolio.

Total return on cash and investments was as follows:

Year ended December 31,202320222021
Net investment income$611,742$418,829$454,301
Net investments gains (losses)(74,630)(456,789)134,279
Change in net unrealized gains (losses) on fixed maturities(1)448,477(909,150)(405,378)
Interest in income of equity method investments4,1631,99532,084
Total$989,752$(945,115)$215,286
Average cash and investments(2)$16,155,418$15,963,535$16,107,523
Total return on average cash and investments, pre-tax:
Including investment related foreign exchange movements6.1%(5.9%)1.3%
Excluding investment related foreign exchange movements(3)5.8%(5.2%)1.6%

(1)Change in net unrealized gains (losses) on fixed maturities is calculated by taking net unrealized gains (losses) at year end less net unrealized gains (losses) at the prior year end.

(2)The average cash and investments balance is calculated by taking the average of the monthly fair value balances.

(3)Pre-tax total return on cash and investments excluding foreign exchange movements is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to pre-tax total return on cash and investments, the most comparable GAAP financial measure, included foreign exchange (losses) gains of $51 million, $(110) million and $(40) million for the years ended December 31, 2023, 2022 and 2021, respectively.

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OTHER EXPENSES (REVENUES), NET

The following table provides a summary of other expenses (revenues), net:

Year ended December 31,2023% Change2022% Change2021
Corporate expenses$132,9792%$130,0543%$126,470
Foreign exchange losses (gains)58,115nm(157,945)nm315
Interest expense and financing costs68,4218%63,1461%62,302
Income tax expense26,31619%22,037(65%)62,384
Total$285,831$57,292$251,471

nm – not meaningful

Corporate Expenses

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As a percentage of net premiums earned, corporate expenses increased to 2.6% in 2023 from 2.5% in 2022.

The increase in corporate expenses in 2023 was mainly driven by increases in personnel costs and performance-related compensation costs, largely offset by a decrease in executive-related compensation costs associated with the transition in our senior leadership.

Foreign Exchange Losses (Gains)

Some of our business is written in currencies other than the U.S. dollar.

Foreign exchange losses in 2023 were primarily related to the impact of the weakening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling, euro and Canadian dollar.

Foreign exchange gains in 2022 were primarily related to the impact of the strengthening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling and euro.

Interest Expense and Financing Costs

Interest expense and financing costs are related to interest due on the 5.150% senior unsecured notes ("5.150% Senior Notes") issued in 2014, the 4.000% senior unsecured notes ("4.000% Senior Notes") issued in 2017, the 3.900% senior unsecured notes ("3.900% Senior Notes"), the 4.900% fixed-rate reset junior subordinated notes ("Junior Subordinated Notes") issued in 2019, and the Federal Home Loan advances ("FHLB advances") received in 2023 and 2022.

Interest expense and financing costs increased by $5 million in 2023, compared to 2022, due to the FHLB advances in 2023.

Income Tax Expense (Benefit)

Income tax expense (benefit) primarily results from income (loss) generated by our foreign operations in the U.S. and Europe. Our effective tax rate, which is calculated as income tax expense (benefit) divided by income (loss) before tax including interest in income (loss) of equity method investments, was 6.5%, 9.0%, and 9.2% in 2023, 2022, and 2021, respectively. This effective rate can vary between years depending on the distribution of net income (loss) among tax jurisdictions, as well as other factors.

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The tax expense of $26 million in 2023 was principally due to the generation of pre-tax income in our U.K. and European insurance operations, partially offset by the recognition of a tax benefit in Bermuda on unrealized investment losses included in other comprehensive income (loss) due to the enactment of corporate income tax that will take effect in 2025, and the generation of pre-tax losses in our U.S. operations.

In 2023, the valuation allowance decreased by $21 million. The net gain incurred by the AXIS Re SE, the Irish reinsurance company, resulted in the release of a valuation allowance of $25 million against the net deferred tax assets of AXIS Re SE and AXIS Re Europe, the Swiss branch of the Irish reinsurance company, of which $12 million was released in net income (loss) and $13 million was released in other comprehensive income (loss). A valuation allowance of $2 million was also released against U.S. foreign tax credits that were utilized. A valuation allowance of $6 million was recorded against foreign tax credits held by AXIS Specialty Europe SE.

At December 31, 2023, the U.S. operations had a deferred tax asset of $54 million for the unrealized losses on its fixed maturities that were recorded in other comprehensive income (loss). We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against its net unrealized investment losses in the U.S was not required.

The tax expense of $22 million in 2022 was principally due to the generation of pre-tax income in our U.K., U.S. and European insurance operations, together with a valuation allowance on certain deferred tax assets, partially offset by the re-estimation of the amount of net deferred tax assets that would be realized at the 25% tax rate in the U.K. that took effect in 2023.

In 2022, the valuation allowance increased by $43 million. The net loss incurred by AXIS Re SE, the Irish reinsurance company, resulted in the recognition of a valuation allowance of $41 million against the net deferred tax assets of AXIS Re SE and AXIS Re Europe, the Swiss branch of the Irish reinsurance company, of which $22 million was recorded in net income (loss) and $19 million was recorded in other comprehensive income (loss). A partial valuation allowance of $2 million was also recorded against U.S. foreign tax credits.

At December 31, 2022, the U.S. operations had a deferred tax asset of $71 million for the unrealized losses on its fixed maturities that were recorded in other comprehensive income (loss). We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against its net unrealized investment losses in the U.S. was not required.

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FINANCIAL MEASURES

We believe that the following financial indicators are important in evaluating performance and measuring the overall growth in value generated for common shareholders:

Year ended and at December 31,202320222021
Return on average common equity(1)7.9%4.3%12.2%
Operating return on average common equity(2)11.0%11.1%9.1%
Book value per diluted common share(3)$54.06$46.95$55.78
Cash dividends declared per common share$1.76$1.73$1.69
Increase (decrease) in book value per diluted common share adjusted for dividends$8.87$(7.10)$2.38

(1)    Return on average common equity ("ROACE") is calculated by dividing net income (loss) available (attributable) to common shareholders for the year by the average common shareholders' equity determined using the common shareholders' equity balances at the beginning and end of the year.

(2)    Operating return on average common equity ("operating ROACE"), is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, ROACE, and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)    Book value per diluted common share represents common shareholders’ equity divided by the number of diluted common share outstanding, determined using the treasury stock method. Cash-settled restricted stock units are excluded.

Return on Average Common Equity

Our objective is to generate superior returns on capital that appropriately reward common shareholders for the risks we assume and to grow revenue only when we expect the returns will meet or exceed our requirements. We recognize that the nature of underwriting cycles and the frequency or severity of large loss events in any one year may challenge the ability to achieve a profitability target in any specific period.

ROACE reflects the impact of net income (loss) available (attributable) to common shareholders, including net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments.

The increase in ROACE in 2023, compared to 2022, was primarily driven by a decrease in net investment losses, and an increase in net investment income, partially offset by foreign exchange losses, and a decrease in underwriting income.

Operating ROACE excludes the impact of net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments.

Operating ROACE in 2023 was comparable to 2022 as a decrease in underwriting income was largely offset by an increase in net investment income.

Book Value per Diluted Common Share

We consider book value per diluted common share to be an appropriate measure of returns to common shareholders, as we believe growth in book value on a diluted basis will ultimately translate into appreciation of our stock price.

In 2023, book value per diluted common share increased by 15%, driven by net income for the year, and net unrealized investment gains reported in accumulated other comprehensive income (loss), partially offset by common dividends declared.

In 2022, book value per diluted common share decreased by 16%, due to the net unrealized investment losses reported in accumulated other comprehensive income (loss) and common dividends declared, partially offset by net income for the year.

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Cash Dividends Declared per Common Share

We believe in returning excess capital to shareholders by way of dividends. Accordingly, dividend policy is an integral part of the value we create for shareholders. Our Board of Directors has approved quarterly common share dividends for twenty consecutive years.

Book Value per Diluted Common Share Adjusted for Dividends

Taken together, we believe that growth in book value per diluted common share and common share dividends declared represent the total value created for common shareholders. As companies in the insurance industry have differing dividend payout policies, we believe that investors use the book value per diluted common share adjusted for dividends metric to measure comparable performance across the industry.

In 2023, the increase in total value of $8.87, or 19%, was driven by net income for the year, and net unrealized investment gains reported in accumulated other comprehensive income (loss).

In 2022, the decrease in total value of $7.10, or 13%, was driven by net unrealized investment losses recognized in accumulated other comprehensive income (loss), partially offset by the net income for the year.

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NON-GAAP FINANCIAL MEASURES RECONCILIATION

Years ended December 31,202320222021
Net income available to common shareholders$346,042$192,833$588,359
Net investment (gains) losses(1)74,630456,789(134,279)
Foreign exchange losses (gains)(2)58,115(157,945)315
Reorganization expenses(3)28,99731,426
Interest in income of equity method investments(4)(4,163)(1,995)(32,084)
Income tax expense (benefit)(17,488)(23,177)14,166
Operating income$486,133$497,931$436,477
Earnings per diluted common share$4.02$2.25$6.90
Net investment (gains) losses0.875.33(1.57)
Foreign exchange losses (gains)0.68(1.84)
Reorganization expenses0.340.37
Interest in income of equity method investments(0.05)(0.02)(0.38)
Income tax expense (benefit)(0.21)(0.28)0.17
Operating income per diluted common share$5.65$5.81$5.12
Weighted average diluted common shares outstanding(5)86,01285,66985,291
Average common shareholders' equity$4,401,553$4,475,283$4,803,175
Return on average common equity7.9%4.3%12.2%
Operating return on average common equity11.0%11.1%9.1%

(1)Tax expense (benefit) of $(10) million, $(36) million and $11 million for the years ended December 31, 2023, 2022 and 2021, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions, after consideration of other relevant factors including the ability to utilize capital losses.

(2)Tax expense (benefit) of $(3) million, $16 million and $3 million for the years ended December 31, 2023, 2022 and 2021, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions, after consideration of other relevant factors including the tax status of specific foreign exchange transactions.

(3)Tax expense (benefit) of $(5) million, $(4) million and $nil for the years ended December 31, 2023, 2022 and 2021, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions.

(4)Tax expense (benefit) of $nil for the years ended December 31, 2023, 2022 and 2021, respectively, Tax impact is estimated by applying the statutory rates of applicable jurisdictions.

(5)Refer to Item 8, Note 14 to the Consolidated Financial Statements 'Earnings Per Common Share' for further details.

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Rationale for the Use of Non-GAAP Financial Measures

We present our results of operations in a way we believe will be meaningful and useful to investors, analysts, rating agencies and others who use our financial information to evaluate our performance. Some of the measurements we use are considered non-GAAP financial measures under SEC rules and regulations. In this Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A"), we present underwriting-related general and administrative expenses, consolidated underwriting income (loss), operating income (loss) (in total and on a per share basis), operating return on average common equity ("operating ROACE"), amounts presented on a constant currency basis and pre-tax total return on cash and investments excluding foreign exchange movements, which are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. We believe that these non-GAAP financial measures, which may be defined and calculated differently by other companies, help explain and enhance the understanding of our results of operations. However, these measures should not be viewed as a substitute for those determined in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP").

Underwriting-Related General and Administrative Expenses

Underwriting-related general and administrative expenses include those general and administrative expenses that are incremental and/or directly attributable to our underwriting operations. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As these costs are not incremental and/or directly attributable to our underwriting operations, these costs are excluded from underwriting-related general and administrative expenses, and therefore, consolidated underwriting income (loss). General and administrative expenses, the most comparable GAAP financial measure to underwriting-related general and administrative expenses, also includes corporate expenses.

The reconciliation of underwriting-related general and administrative expenses to general and administrative expenses, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Consolidated Underwriting Income (Loss)

Consolidated underwriting income (loss) is a pre-tax measure of underwriting profitability that takes into account net premiums earned and other insurance related income (loss) as revenues and net losses and loss expenses, acquisition costs and underwriting-related general and administrative expenses as expenses. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

We evaluate our underwriting results separately from the performance of our investment portfolio. As a result, we believe it is appropriate to exclude net investment income and net investment gains (losses) from our underwriting profitability measure.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on our net insurance-related liabilities. However, we manage our investment portfolio in such a way that unrealized and realized foreign exchange losses (gains) on our investment portfolio, including unrealized foreign exchange losses (gains) on our equity securities, and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities recognized in net investment gains (losses), and unrealized foreign exchange losses (gains) on our available for sale investments in other comprehensive income (loss), generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio, thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to our underwriting performance. Therefore, foreign exchange losses (gains) are excluded from consolidated underwriting income (loss).

Interest expense and financing costs primarily relate to interest payable on our debt and Federal Home Loan Bank advances. As these expenses are not incremental and/or directly attributable to our underwriting operations, these expenses are excluded from underwriting-related general and administrative expenses and, therefore, consolidated underwriting income (loss).

Reorganization expenses in 2023 include impairments of computer software assets and severance costs mainly attributable to our "How We Work" program which is focused on simplifying our operating structure. Reorganization expenses in 2022 included severance costs and impairments of computer software assets mainly attributable to our exit from catastrophe and

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property reinsurance lines of business which was part of an overall approach to reduce our exposure to volatile catastrophe risk. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from consolidated underwriting income (loss).

Amortization of intangible assets including the value of business acquired ("VOBA") arose from business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from consolidated underwriting income (loss).

We believe that the presentation of underwriting-related general and administrative expenses and consolidated underwriting income (loss) provides investors with an enhanced understanding of our results of operations, by highlighting the underlying pre-tax profitability of our underwriting activities. The reconciliation of consolidated underwriting income (loss) to net income (loss), the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Operating Income (Loss)

Operating income (loss) represents after-tax operational results exclusive of net investment gains (losses), foreign exchange losses (gains), reorganization expenses and interest in income (loss) of equity method investments.

Although the investment of premiums to generate income and investment gains (losses) is an integral part of our operations, the determination to realize investment gains (losses) is independent of the underwriting process and is heavily influenced by the availability of market opportunities. Furthermore, many users believe that the timing of the realization of investment gains (losses) is somewhat opportunistic for many companies.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on net insurance-related liabilities. However, we manage our investment portfolio in such a way that unrealized and realized foreign exchange losses (gains) on our investment portfolio, including unrealized foreign exchange losses (gains) on our equity securities and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities recognized in net investment gains (losses) and unrealized foreign exchange losses (gains) on our available for sale investments in other comprehensive income (loss), generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio, thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to the performance of our business. Therefore, foreign exchange losses (gains) are excluded from operating income (loss).

Reorganization expenses in 2023 include impairments of computer software assets and severance costs mainly attributable to our "How We Work" program which is focused on simplifying our operating structure. Reorganization expenses in 2022 included severance costs and impairments of computer software assets mainly attributable to our exit from catastrophe and property reinsurance lines of business which was part of an overall approach to reduce our exposure to volatile catastrophe risk. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from operating income (loss).

Interest in income (loss) of equity method investments is primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, this income (loss) is excluded from operating income (loss).

Certain users of our financial statements evaluate performance exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments in order to understand the profitability of recurring sources of income.

We believe that showing net income (loss) available (attributable) to common shareholders exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses and interest in income (loss) of equity method investments reflects the underlying fundamentals of our business. In addition, we believe that this presentation enables investors and other users of our financial information to analyze performance in a manner similar to how our management analyzes the underlying business performance. We also believe this measure follows industry practice and, therefore, facilitates comparison of our performance with our peer group. We believe that equity analysts and certain rating agencies that follow us, and the insurance industry as a whole, generally exclude these items from their analyses for the same reasons. The reconciliation of operating income (loss) to net income (loss) available (attributable) to common shareholders, the most comparable GAAP financial measure, is presented above.

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We also present operating income (loss) per diluted common share and operating ROACE, which are derived from the operating income (loss) measure and are reconciled above to the most comparable GAAP financial measures, earnings (loss) per diluted common share and return on average common equity ("ROACE"), respectively.

Constant Currency Basis

We present gross premiums written and net premiums earned on a constant currency basis in this MD&A. The amounts presented on a constant currency basis are calculated by applying the average foreign exchange rate from the current year to the prior year amounts. We believe this presentation enables investors and other users of our financial information to analyze growth in gross premiums written and net premiums earned on a constant basis. The reconciliation to gross premiums written and net premiums earned on a GAAP basis is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment'.

Pre-Tax Total Return on Cash and Investments excluding Foreign Exchange Movements

Pre-tax total return on cash and investments excluding foreign exchange movements measures net investment income (loss), net investments gains (losses), interest in income (loss) of equity method investments, and change in unrealized gains (losses) generated by average cash and investment balances. We believe this presentation enables investors and other users of our financial information to analyze the performance of our investment portfolio. The reconciliation of pre-tax total return on cash and investments excluding foreign exchange movements to pre-tax total return on cash and investments, the most comparable GAAP financial measure, is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Net Investment Income and Net Investment Gains (Losses)'.

CASH AND INVESTMENTS

Details of cash and investments are as follows:

December 31, 2023December 31, 2022
Fair valueFair value
Fixed maturities, available for sale$12,234,742$11,326,894
Fixed maturities, held to maturity(1)675,851674,743
Equity securities588,511485,253
Mortgage loans610,148627,437
Other investments949,413996,751
Equity method investments174,634148,288
Short-term investments17,21670,310
Total investments$15,250,515$14,329,676
Cash and cash equivalents(2)$1,383,985$1,174,653

(1)Presented at net carrying value of $686 million (2022: $698 million) in the consolidated balance sheets.

(2)Includes restricted cash and cash equivalents of $431 million and $423 million for 2023 and 2022, respectively.

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Overview

The fair value of total investments increased by $921 million in 2023, driven by the increase in market value of fixed maturities due to the decline in yields and the tightening of credit spreads, reinvestment of interest income and cashflows from operations.

An analysis of our investment portfolio by asset class is detailed below:

Fixed Maturities

Details of our fixed maturities portfolio are as follows:

December 31, 2023December 31, 2022
Fair value% of totalFair value% of total
Fixed maturities:
U.S. government and agency$3,007,52823%$2,639,33022%
Non-U.S. government723,9596%562,0295%
Corporate debt4,560,84335%4,329,32836%
Agency RMBS1,634,66113%1,202,78510%
CMBS839,6967%947,7788%
Non-agency RMBS153,3961%133,5341%
ABS1,832,15114%2,030,49817%
Municipals(1)158,3591%156,3551%
Total$12,910,593100%$12,001,637100%
Credit ratings:
U.S. government and agency$3,007,52823%$2,639,33022%
AAA(2)2,745,19221%4,189,66136%
AA2,646,79821%871,9667%
A2,044,68316%1,835,74615%
BBB1,416,55211%1,377,63811%
Below BBB(3)1,049,8408%1,087,2969%
Total$12,910,593100%$12,001,637100%

(1)Includes bonds issued by states, municipalities, and political subdivisions.

(2)Includes U.S. government-sponsored agencies, residential mortgage-backed securities ("RMBS") and commercial mortgage-backed securities ("CMBS").

(3)Non-investment grade and non-rated securities.

At December 31, 2023, fixed maturities had a weighted average credit rating of AA- (2022: AA-), a book yield of 4.2% (2022: 3.5%), and an average duration of 3.0 years (2022: 3.0 years).

At December 31, 2023, fixed maturities together with short-term investments and cash and cash equivalents (i.e., total investments of $14.3 billion) had a weighted average credit rating of AA- (2022: AA-) and an average duration of 2.7 years (2022: 2.8 years).

Our methodology for assigning credit ratings to fixed maturities is in line with the methodology used for the Barclays U.S. Aggregate Bond index. This methodology uses the midpoint of Standard & Poor's (S&P), Moody's and Fitch ratings. When ratings from only two of these agencies are available, the lower rating is used. When only one agency rates a security, that rating is used. When ratings provided by S&P, Moody's and Fitch are not available, ratings from other nationally recognized agencies are used.

To calculate the weighted average credit rating for fixed maturities, we assign points to each rating with the highest points assigned to the highest rating (AAA) and the lowest points assigned to the lowest rating (D) and then calculate the weighted average based on the fair values of the individual securities. Securities that are not rated are excluded from weighted average calculations. At December 31, 2023, the fair value of fixed maturities not rated was $17 million (2022: $31 million).

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In addition to managing credit risk exposure within our fixed maturities portfolio we also monitor the aggregation of country risk exposure on a group-wide basis. Country risk exposure is the risk that events in a country, such as currency crises, regulatory changes and other political events, will adversely affect the ability of obligors in the country to honor their obligations. For corporate debt and structured securities, we measure the country of risk exposure based on a number of factors including, but not limited to, location of management, principal operations and country of revenues.

An analysis of our fixed maturities portfolio by major asset classes is detailed below:

Non-U.S. Government

Non-U.S. government securities include bonds issued by non-U.S. governments and their agencies along with supranational organizations (collectively also known as sovereign debt securities).

Details of exposures to governments in the eurozone and other non-U.S. government concentrations by fair value are as follows:

December 31, 2023December 31, 2022
CountryFair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Eurozone countries:
Supranationals(1)$41,8886%AAA$16,8673%AAA
Germany26,7884%AAA5,0371%AAA
Netherlands14,6042%AA+9,5122%AA+
France2,637%A-1,061%AA
Austria%2,346%AA+
Total eurozone85,91712%AAA34,8236%AA+
Other concentrations:
Canada338,38447%AA+300,67453%AA+
United Kingdom224,80931%AA-168,06830%AA-
Mexico7,4781%BBB10,1512%BBB
Other67,3719%AA+48,3139%AA
Total other concentrations638,04288%AA527,20694%AA
Total non-U.S. government$723,959100%AA$562,029100%AA

(1)Includes supranationals only in the eurozone.

At December 31, 2023, net unrealized losses on non-U.S. government securities were $6 million (2022: $51 million) which included gross unrealized foreign exchange losses of $6 million (2022: $24 million), mainly related to U.K. government bonds.

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Corporate Debt

Corporate debt securities consist primarily of investment grade debt of a wide variety of corporate issuers and industries.

Details of our corporate debt securities portfolio by sector are as follows:

December 31, 2023December 31, 2022
Fair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Financial institutions:
U.S. banks$760,80717%A$786,54118%A
Corporate/commercial finance465,95310%BBB445,52410%BBB
Non-U.S. banks397,0979%A346,1768%A-
Insurance150,5533%A162,1074%A
Investment brokerage104,8812%BBB+117,7063%A
Total financial institutions1,879,29141%A-1,858,05443%A-
Consumer non-cyclicals518,59611%BBB533,54312%BBB-
Consumer cyclical472,16210%BB+411,55910%BB
Communications359,5908%BBB-369,2959%BB+
Industrials451,06610%BB407,3189%BB
Technology230,8645%BBB-211,7405%BBB-
Utilities215,7875%BBB+166,4814%BBB+
Energy204,6824%BBB-164,7704%BBB-
Other228,8056%A+206,5684%A
Total$4,560,843100%BBB$4,329,328100%BBB
Credit quality summary:
Investment grade$3,537,79578%A-$3,308,13176%A-
Non-investment grade1,023,04822%B+1,021,19724%B+
Total$4,560,843100%BBB$4,329,328100%BBB

At December 31, 2023, our non-investment grade portfolio had a fair value of $1,023 million (2022: $1,021 million), a weighted average credit rating of B+ (2022: B+) and duration of 2.4 years (2022: 2.9 years). At December 31, 2023, our corporate debt portfolio, including non-investment grade securities, had a duration of 3.4 years (2022: 3.6 years).

Mortgage-Backed Securities

Details of the fair values of our RMBS and CMBS portfolios by credit rating are as follows:

December 31, 2023December 31, 2022
RMBSCMBSRMBSCMBS
Government agency$1,634,661$69,973$1,202,785$48,805
AAA144,437711,636121,188833,850
AA5,38945,0944,19260,207
A1,3716,9373,6824,916
BBB100650122
Below BBB(1)2,0995,4064,350
Total$1,788,057$839,696$1,336,319$947,778

(1)Non-investment grade securities.

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Residential MBS

Agency RMBS consist of bonds issued by the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and the Government National Mortgage Association, which are primarily AA+ rated and are supported by loans which are diversified across geographical areas. At December 31, 2023, agency RMBS had an average duration of 5.2 years (2022: 5.7 years).

Non-agency RMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2023, 98% (2022: 94%) of our non-agency RMBS were rated AA or better. At December 31, 2023, non-agency RMBS had an average duration of 4.0 years (2022: 4.6 years) and weighted average life of 5.6 years (2022: 6.7 years).

Commercial MBS

CMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2023, 98% (2022: 99%) of our CMBS were rated AA or better. At December 31, 2023, the weighted average estimated subordination percentage of the portfolio was 37% (2022: 38%), which represents the current weighted average estimated percentage of the capital structure subordinated to the investment holding that is available to absorb losses before the security incurs the first dollar loss of principal. At December 31, 2023, CMBS had an average duration of 2.2 years (2022: 2.4 years) and weighted average life of 2.8 years (2022: 3.3 years).

Asset-Backed Securities

ABS mainly include investment grade bonds backed by pools of loans with a variety of underlying collateral, including auto loans, student loans, credit card receivables and collateralized loan obligations ("CLOs") originated by a variety of financial institutions.

Details of the fair value of our ABS portfolio by underlying collateral and credit rating are as follows:

Asset-backed securities
AAAAAABBBBelow BBBTotal
At December 31, 2023
CLO - debt tranches$793,769$334,573$71,621$28,419$$1,228,382
Auto loans267,430267,430
Student loans62,91414,59677,510
Credit card receivables68,56855869,126
Other155,8267,88818,8796,763347189,703
Total$1,348,507$357,615$90,500$35,182$347$1,832,151
% of total73%20%5%2%—%100%
At December 31, 2022
CLO - debt tranches$994,961$306,934$72,319$26,257$25,650$1,426,121
Auto loans237,8844,728242,612
Student loans104,0234,401108,424
Credit card receivables38,84853439,382
Other178,44712,35116,8036,017341213,959
Total$1,554,163$328,948$89,122$32,274$25,991$2,030,498
% of total77%16%4%2%1%100%

At December 31, 2023, the average duration our ABS portfolio was 0.6 years (2022: 0.5 years) and the weighted average life was 3.0 years (2022: 3.7 years).

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Municipals

Municipals comprise revenue bonds and general obligation bonds issued by U.S. domiciled state and municipal entities and are primarily held in the taxable portfolios of our U.S. subsidiaries.

At December 31, 2023, our municipals had a fair value of $158 million (2022: $156 million), a weighted average credit rating of AA- (2022: AA-) and duration of 3.9 years (2022: 4.4 years).

Gross Unrealized Losses

At December 31, 2023, the gross unrealized losses on our fixed maturities, available for sale portfolio were $481 million (2022: $857 million).

Investment grade fixed maturities, available for sale

The severity of the unrealized loss position as a percentage of amortized cost for all investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2023December 31, 2022
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$5,843,552$(194,115)42%$6,176,828$(265,175)33%
10-20%1,590,548(245,428)52%2,315,291(372,213)47%
20-30%102,208(26,886)6%520,482(147,575)19%
30-40%193(79)%15,622(6,948)1%
40-50%%1,002(735)%
50%946(1,070)%4(27)%
Total$7,537,447$(467,578)100%$9,029,229$(792,673)100%

The decrease in gross unrealized losses on investment grade fixed maturities reflected the impact of the decline in yields and the tightening of credit spreads on investment grade corporate debt securities.

Non-investment grade fixed maturities, available for sale

The severity of the unrealized loss position as a percentage of amortized cost for all non-investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2023December 31, 2022
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$348,188$(9,597)74%$644,995$(28,536)44%
10-20%23,295(3,073)24%179,291(26,642)42%
20-30%1,475(112)1%28,414(6,649)10%
30-40%%1,393(495)1%
40-50%%738(410)1%
50%45(155)1%652(1,183)2%
Total$373,003$(12,937)100%$855,483$(63,915)100%

The decrease in gross unrealized losses on non-investment grade fixed maturities reflected the impact of the tightening of credit spreads on non-investment grade high yield corporate debt securities.

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Equity Securities

At December 31, 2023, net unrealized gains on equity securities were $45 million (2022: net unrealized losses of $9 million). The increase was driven by the rally in global equity markets.

Mortgage Loans

During 2023, investment in commercial mortgage loans decreased to $610 million from $627 million, a decrease of $17 million. The commercial mortgage loans are high quality, and collateralized by a variety of commercial properties and diversified geographically throughout the U.S. and by property type to reduce the risk of concentration. At December 31, 2023, there are two collateral dependent loans with estimated loan-to-value ratios in excess of 100%, resulting in an allowance for expected credit loss of $6 million (2022: $nil).

Other Investments

Details of our other investments portfolio are as follows:

December 31, 2023December 31, 2022
Multi-strategy funds$24,6193%$32,6163%
Direct lending funds192,27020%258,62626%
Private equity funds301,71232%265,83627%
Real estate funds317,32533%298,49930%
Total multi-strategy, direct lending, private equity and real estate funds835,92688%855,57786%
CLO-Equities5,3001%5,016%
Other privately held investments108,18711%136,15814%
Total other investments$949,413100%$996,751100%

Refer to Item 8, Note 5(e) to the Consolidated Financial Statements 'Investments'.

Equity Method Investments

Our ownership interests in Harrington Reinsurance Holdings Limited ("Harrington") and Monarch Point Re (ISAC) Ltd. and Monarch Point Re (ISA 2023) Ltd. (collectively "Monarch Point Re") are reported in interest in income (loss) of equity method investments.

Interest in income (loss) of equity method investments of $4 million in 2023 was comparable to $2 million in 2022, as higher investment gains realized by Harrington were largely offset by higher underwriting losses at Harrington.

Restricted Assets

Refer to Item 8, Note 5(j) to the Consolidated Financial Statements 'Investments'.

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LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Liquidity is a measure of a company’s ability to generate cash flows sufficient to meet the short-term and long-term cash requirements of its business operations. We manage liquidity at the holding company and operating subsidiary level.

Holding Company

As a holding company, AXIS Capital has no operations of its own and its assets consist primarily of investments in its subsidiaries. Accordingly, AXIS Capital’s future cash flows depend on the availability of dividends or other statutorily permissible distributions, such as returns of capital, from its subsidiaries.

The ability to pay such dividends and/or distributions is limited by the applicable laws and regulations of the various countries and states in which AXIS Capital’s subsidiaries operate (refer to Item 8, Note 22 to the Consolidated Financial Statements 'Statutory Financial Information' for further details), as well as the need to maintain capital levels to adequately support insurance and reinsurance operations, and to preserve financial strength ratings issued by independent rating agencies.

During 2023, AXIS Capital received $375 million (2022: $225 million) of distributions from its subsidiaries. AXIS Capital’s primary uses of funds are dividend payments to common and preferred shareholders, interest and principal payments on debt, capital investments in subsidiaries, and payment of corporate operating expenses. We believe the dividend/distribution capacity of AXIS Capital’s subsidiaries, which was $0.9 billion at December 31, 2023, will provide AXIS Capital with sufficient liquidity for the foreseeable future.

Operating Subsidiaries

AXIS Capital’s operating subsidiaries primarily derive cash from the net inflow of premiums less claim payments related to underwriting activities and from net investment income. Historically, these cash receipts have been sufficient to fund the operating expenses of these subsidiaries, as well as to fund dividend payments to AXIS Capital. The subsidiaries’ remaining cash flows are generally invested in our investment portfolio and have also been used to fund common share repurchases in recent years.

The insurance and reinsurance business of our operating subsidiaries inherently provide liquidity, as premiums are received in advance (sometimes substantially in advance) of the time losses are paid. However, the amount of cash required to fund loss payments can fluctuate significantly from period to period, due to the low frequency/high severity nature of certain types of business we write.

Consolidated cash flows from operating, investing and financing activities in the last three years were as follows:

Total cash provided by (used in)(1)202320222021
Operating activities$1,255,559$798,038$1,197,692
Investing activities(855,610)(761,620)(1,197,065)
Financing activities(202,371)(149,622)(186,095)
Effect of exchange rate changes on cash11,754(29,833)(74)
Increase (decrease) in cash and cash equivalents$209,332$(143,037)$(185,542)

(1)    Refer to Item 8, 'Consolidated Statements of Cash Flows' for further details.

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Operating activities

•Net cash provided by operating activities was $1,256 million in 2023 compared to $798 million in 2022. Cash inflows from insurance and reinsurance operations typically include premiums, net of acquisition costs, and reinsurance recoverables. Cash outflows principally include payments of losses and loss expenses, payments of premiums to reinsurers and operating expenses. Cash provided by operating activities can fluctuate due to timing differences between the collection of premiums and reinsurance recoverables and the payment of losses and loss expenses, and the payment of premiums to reinsurers.

•Operating cash inflows increased in 2023 compared to 2022, primarily attributable to an increase in interest and dividends received from our investment portfolio and an increase in premiums received, partially offset by a decrease in reinsurance recoverables received and an increase in payments of premiums to reinsurers.

Investing activities

•Investing cash outflows in 2023 were principally related to the net purchases of fixed maturities of $554 million, equity securities of $34 million, equity method investments of $22 million, loan advances made to third party reinsurers of $350 million and purchases of other assets of $31 million, partially offset by the net proceeds from the sale of other investments of $67 million and net proceeds from the sales and redemptions/repayments of short-term investments of $56 million and mortgage loans of $12 million.

•Investing cash outflows in 2022 were principally related to the net purchases of fixed maturities of $599 million, loan advances made to third party reinsurers of $106 million, short term investment of $40 million, and mortgage loans of $33 million and purchases of other assets of $37 million, partially offset by the net proceeds from the sale of equity securities of $44 million, and other investments of $9 million.

Financing activities

•Financing cash outflows in 2023 were principally due to dividends paid to common and preferred shareholders of $184 million, and the repurchase of common shares of $24 million, partially offset by the receipt of the Federal Home Loan Bank advances of $5 million.

•Financing cash outflows in 2022 were principally due to dividends paid to common and preferred shareholders of $180 million, and the repurchase of common shares of $49 million, partially offset by the receipt of the Federal Home Loan Bank advances of $79 million.

•The declaration and payment of future dividends and share repurchases is at the discretion of our Board of Directors and will depend on many factors including, but not limited to, our net income, financial condition, business needs, capital and surplus requirements of our operating subsidiaries and regulatory and contractual restrictions, including those detailed in our credit facilities (refer to 'Capital Resources – Share Repurchases' below for further details).

We have generated positive operating cash flows in all years since 2003, with the exception of 2009 which was impacted by the global financial crisis. These positive cash flows were generated even with the recognition of significant catastrophe and weather-related losses including the impact of the COVID-19 pandemic in 2020 and 2021.

Net losses and loss expenses, gross of reinstatement premiums, included estimates of ultimate losses for catastrophe and weather-related losses of $138 million in 2023, $404 million in 2022 and $450 million in 2021. There remains significant uncertainty associated with estimates of ultimate losses for certain of these events (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details), as well as the timing of the associated cash outflows.

Should claim payment obligations accelerate beyond our ability to fund payments from operating cash flows, we would utilize cash and cash equivalent balances and/or liquidate a portion of our investment portfolio.

For context, at January 1, 2024, our largest 1-in-250 year return period, single occurrence, single-zone modeled probable maximum loss (California Earthquake) was approximately $163 million, net of reinsurance. Claim payments pertaining to such an event would be paid out over a period spanning many months. Our internal risk tolerance framework aims to limit the loss of capital due to a single event and the loss of capital that would occur from multiple but perhaps smaller events, in any year (refer to Item 1 'Risk and Capital Management' for further details).

Our investment portfolio is heavily weighted towards conservative, high quality and highly liquid securities. We expect that, if necessary, approximately $13.6 billion of cash and invested assets at December 31, 2023 could be available in one to three

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business days under normal market conditions. Of this amount, $5.3 billion related to restricted assets, which primarily support our obligations in regulatory jurisdictions where we operate as a non-admitted carrier (refer to Item 8, Note 5(j) to the Consolidated Financial Statements 'Investments' for further details).

We expect that cash flows generated from operations, combined with the liquidity provided by our investment portfolio, to be sufficient to cover required cash outflows and other contractual commitments through the foreseeable future (refer to 'Contractual Obligations and Commitments' below for further details).

Capital Resources

In addition to common equity, we have utilized other external sources of financing, including debt, preferred shares, and letter of credit facilities to support our business operations. We believe that we hold sufficient capital to allow us to take advantage of market opportunities and to maintain our financial strength ratings, as well as to comply with various local statutory regulations. We monitor capital adequacy on a regular basis and will seek to adjust our capital base according to the needs of our business (refer to Item 1 'Risk and Capital Management' for further details).

The following table summarizes consolidated capital:

At December 31,20232022
Debt$1,313,714$1,312,314
Preferred shares550,000550,000
Common equity4,713,1964,089,910
Shareholders’ equity5,263,1964,639,910
Total capital$6,576,910$5,952,224
Ratio of debt to total capital20.0%22.0%

We finance our operations with a combination of debt and equity capital. The debt to total capital ratio provides an indication of our capital structure, along with some insight into our financial strength.

While the impact of net unrealized investment losses recognized in accumulated other comprehensive income (loss), following a decrease in market value of our fixed maturities, has reduced common shareholders' equity, we believe that our financial flexibility remains strong, and adjustments are made if there are developments that are different from previous expectations.

Debt

Debt represents the 5.150% Senior Notes issued in 2014, which will mature in 2045, the 4.000% Senior Notes issued in 2017, which will mature in 2027, the 3.900% Senior Notes issued in 2019, which will mature in 2029, and the 4.900% Junior Subordinated Notes issued in 2019, which will mature in 2040 (refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

The 3.900% Senior Notes and the 4.900% Junior Subordinated Notes were issued to finance the repayment of $500 million aggregate principal amount of 5.875% Senior Notes that matured in June 2020 and to finance the redemption of Series D preferred shares on January 17, 2020 (refer to 'Preferred Shares' below for further details).

Federal Home Loan Bank Advances

The Company's subsidiaries, AXIS Insurance Company and AXIS Surplus Insurance Company, are members of the Federal Home Loan Bank of Chicago ("FHLB").

Members may borrow from the FHLB at competitive rates subject to certain conditions. At December 31, 2023, the companies had admitted assets of approximately $3 billion which provides borrowing capacity of up to approximately $759 million. Conditions of membership include maintaining sufficient collateral deposits for funding, a requirement to maintain member stock at 0.4% of mortgage-related assets at December 31st of the prior year, and a requirement to purchase additional member stock of 2.0% or 4.5% of any amount borrowed (refer to Item 8, Note 11 to the Consolidated Financial Statements 'Federal Home Loan Bank Advances' for further details).

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At December 31, 2023, the Company had $86 million (2022: $81 million) of borrowings under the FHLB program, with maturities in 2024 and interest payable at interest rates between 5.6% and 5.9% (2022: 2.3% and 4.7%).

For the year ended December 31, 2023, the Company incurred interest expense of $5 million (2022: $1 million). The borrowings under the FHLB program are secured by cash and investments with a fair value of $95 million (2022: $91 million).

Preferred Shares

Series E Preferred Shares

On November 7, 2016, we issued $550 million of 5.50% Series E preferred shares with a liquidation preference of $2,500 per share (equivalent to $25 per depositary share). Dividends on the Series E preferred shares are non-cumulative. To the extent declared, dividends accumulate, with respect to each dividend period, in an amount per share equal to 5.50% of the liquidation preference per annum (equivalent to $137.50 per Series E preferred share and $1.375 per depositary share). We may redeem these shares on or after November 7, 2021 at a redemption price of $2,500 per Series E preferred share (equivalent to $25 per depositary share) (refer to Item 8, Note 15 to the Consolidated Financial Statements 'Shareholders' Equity' for further details).

Secured Letter of Credit Facilities

We routinely enter into agreements with financial institutions to obtain secured letter of credit facilities.

These facilities are primarily used for the issuance of letters of credit, in the normal course of operations, to certain insurance and reinsurance entities that purchase reinsurance protection from us. These letters of credit allow those operations to take credit, under local insurance regulations, for reinsurance obtained in jurisdictions where AXIS Capital’s subsidiaries are not licensed or otherwise admitted as an insurer. The value of our letters of credit outstanding is driven by, among other factors, the amount of unearned premiums, development of loss reserves, the payment patterns of loss reserves, the expansion of our business and the loss experience of that business.

A portion of these facilities may also be used for liquidity purposes.

At December 31, 2023, certain of AXIS Capital’s operating subsidiaries (the "Participating Subsidiaries") had a $500 million letter of credit facility available from Citibank Europe plc ("Citibank") (the "$500 million Facility").

At December 31, 2023, letters of credit outstanding were $325 million (refer to Item 8, Note 10 to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

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Common Equity

During the year ended December 31, 2023, common equity increased by $623 million. The following table reconciles opening and closing common equity positions:

Year ended December 31,20232022
Common equity - opening$4,089,910$4,860,656
Share-based compensation expense57,20751,249
Change in unrealized gains (losses) on available for sale investments, net of tax396,036(805,850)
Foreign currency translation adjustment(1,572)(10,986)
Net income376,292223,083
Preferred share dividends(30,250)(30,250)
Common share dividends(152,536)(150,556)
Treasury shares repurchased(23,596)(48,981)
Treasury shares reissued1,7051,545
Common equity - closing$4,713,196$4,089,910

Share Repurchases

During 2023, we repurchased 398,000 common shares for a total of $24 million from employees to facilitate the satisfaction of their personal withholding tax liabilities that arise on vesting of share-settled restricted stock units granted under our 2017 Long-Term Equity Compensation Plans.

As part of our capital management strategy, our Board of Directors authorizes common share repurchase programs. On December 8, 2022, our Board of Directors authorized a new share repurchase program for up to $100 million of our common shares, effective January 1, 2023, through December 31, 2023. (refer to Item 5 'Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities'). Share repurchases may be effected from time to time in the open market or privately negotiated transactions, depending on market conditions.

On December 7, 2023, our Board of Directors renewed its authorization for the repurchase of up to $100 million of our common shares, effective January 1, 2024, through December 31, 2024.

In 2024, we repurchased common shares for a total of $52 million pursuant to our Board-authorized share repurchase program.

Shelf Registrations

On November 9, 2022, we filed an unallocated universal shelf registration statement with the SEC, which became effective on filing. Pursuant to the shelf registration, we may issue an unlimited amount of equity, debt, warrants, purchase contracts or a combination of these securities. Our intent and ability to issue securities pursuant to this registration statement will depend on market conditions at the time of any proposed offering.

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Financial Strength Ratings

Operating subsidiaries

Our principal insurance and reinsurance operating subsidiaries are assigned financial strength ratings from internationally recognized rating agencies, including Standard & Poor’s, A.M. Best, and Moody’s Investors Service. These ratings are publicly announced and are available directly from the agencies, and on our website.

Financial strength ratings represent the opinions of the rating agencies on the overall financial strength of a company and its capacity to meet the obligations of its insurance and reinsurance contracts. Independent ratings are one of the important factors that establish a competitive position in insurance and reinsurance markets. The rating agencies consider many factors in determining the financial strength rating of an insurance company, including the relative level of statutory surplus necessary to support the business operations of the company. These ratings are based on factors considered by the rating agencies to be relevant to policyholders, agents and intermediaries and are not directed toward the protection of investors. Ratings are not recommendations to buy, sell or hold securities.

The following are the most recent financial strength ratings from internationally recognized agencies in relation to our principal insurance and insurance operating subsidiaries:

Rating agencyAgency’s description of ratingRating and outlookAgency’s rating definitionRanking of rating
Standard & Poor’sAn "opinion about the financial security characteristics of an insurance organization, with respect to its ability to pay under its insurance policies and contracts, in accordance with their terms".A+(Stable) (1)"Strong capacity to meet its financial commitments"The 'A' category is the third highest out of ten major rating categories. The second through eighth major rating categories may be modified by the addition of a plus or minus sign to show relative standing within the major rating categories.
A.M. BestAn "opinion of an insurer’s financial strength and ability to meet its ongoing insurance policy and contract obligations".A(Stable) (2)"Excellent ability to meet ongoing insurance obligations"The 'A' category is the third highest rating out of fourteen. Ratings outlooks ('Positive', 'Negative' and 'Stable') are assigned to indicate a rating’s potential direction over an intermediate term, generally defined as 36 months.
Moody’s Investors Service"Opinions of the ability of insurance companies to pay punctually senior policyholder claims and obligations."A2(Stable) (3)"Offers good financial security"The 'A' category is the third highest out of nine rating categories. Each of the second through seventh categories are subdivided into three subcategories, as indicated by an appended numerical modifier of '1', '2' and '3'. The '1' modifier indicates that the obligation ranks in the higher end of the rating category, the '2' modifier indicates a mid-category ranking and the '3' modifier indicates a ranking in the lower end of the rating category.

(1)    On July 20, 2022, Standard and Poor's revised its outlook from negative to stable due to improved underwriting performance and reduced prospective earnings volatility as a result of our exit from property and catastrophe reinsurance lines of business.

(2)    On May 5, 2020, A.M. Best revised its rating and outlook from A+ and negative to A and stable, respectively. The revised rating was based on unfavorable trends in operating performance over the past five years, particularly emanating from the insurance segment. The revised outlook continues to reflect our strong balance sheet, favorable business profile and appropriate risk management practices.

(3)    On May 31, 2022, Moody's Investors Service revised its outlook from negative to stable due to improved core underwriting profitability and reduced catastrophe risk exposure.

Non-operating holding companies

On November 17, 2023, Standard and Poor's placed AXIS Capital Holding Limited and the securities guaranteed by this non-operating holding company on CreditWatch Negative due to the potential regulatory restrictions to payments from Bermuda-based insurance and reinsurance operating companies to non-operating holding companies. On January 29, 2024, Standard and Poor's removed AXIS Capital Holdings Limited and related securities from Negative CreditWatch affirming the credit rating of AXIS Capital Holding Company at A- (Stable). In addition, Standard & Poor's also reaffirmed the A+ Financial Strength and issuer credit ratings on all core operating subsidiaries, with a Stable outlook. The stable outlook reflects Standard and Poor's expectation that AXIS will sustain its strong competitive position supported by solid, less-volatile underwriting performance, and will maintain capital adequacy at the 99.99% (or extreme stress) level in 2023-2025.

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Contractual Obligations and Commitments

At December 31, 2023, contractual obligations and commitments by period due were:

Payment due by period
Contractual obligations and commitmentsTotalLess than 1 year1-3 years3-5 yearsMore than 5 years
Operating activities
Estimated gross losses and loss expenses payments(1)$16,434,018$4,541,740$5,224,707$2,876,765$3,790,806
Operating lease obligations(2)123,10112,41625,41119,68465,590
Investing activities
Unfunded investment commitments(3)527,125282,00871,79393,34779,977
Financing activities
Debt (principal payments)(4)1,325,000350,000975,000
Debt (interest payments)(4)(5)530,51160,865121,934106,811240,901
Total$18,939,755$4,897,029$5,443,845$3,446,607$5,152,274

(1)We are obligated to pay claims for specified loss events covered by the insurance and reinsurance contracts that we write. Loss payments represent our most significant future payment obligation. In contrast to our other contractual obligations, cash payments are not determinable from the terms specified within the underlying contracts. Our best estimate of reserve for losses and loss expenses is reflected in the table above. Actual amounts and timing may differ materially from our best estimate (refer to ‘Critical Accounting Estimates – Reserve for Losses and Loss Expenses’ for further details). We have not taken into account corresponding reinsurance recoverable on unpaid amounts that would be due to us.

(2)In the ordinary course of business, we renew and enter into new leases for office space which expire at various dates (refer to Item 8, Note 13 to the Consolidated Financial Statements 'Leases' for further details).

(3)We have $502 million of unfunded investment commitments related to our other investments portfolio, which are callable by our investment managers (refer to Item 8, Note 5(e) to the Consolidated Financial Statements 'Investments' for further details). In addition, we have $10 million of unfunded commitments related to our commercial mortgage loans portfolio and $16 million of unfunded commitments related to our corporate debt portfolio.

(4)Refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details.

(5)Debt (interest payments) includes $11 million of unamortized discount and debt issuance expenses.

CRITICAL ACCOUNTING ESTIMATES

The consolidated financial statements include certain amounts that are inherently uncertain and judgmental in nature. As a result, we are required to make assumptions and best estimates to determine the reported values. We consider an accounting estimate to be critical if: (1) it requires that significant assumptions be made to deal with uncertainties and (2) changes in the estimate could have a material impact on our results of operations, financial condition, or liquidity.

We believe that the material items requiring such subjective and complex estimates are:

•reserves for losses and loss expenses;

•reinsurance recoverable on unpaid losses and loss expenses, including the allowance for expected credit losses;

•gross premiums written and net premiums earned;

•fair value measurements of financial assets and liabilities; and

•the allowance for credit losses associated with fixed maturities, available for sale.

Significant accounting policies are also important to understanding the consolidated financial statements (refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details).

We believe that the amounts included in the consolidated financial statements reflect management's best judgment. However, factors such as those described in Item 1A 'Risk Factors' could cause actual events or results to differ materially from the underlying assumptions and estimates which could lead to a material adverse impact on our results of operations, financial condition, or liquidity.

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Reserve for Losses and Loss Expenses

Overview

We believe the most significant accounting judgment we make is the estimate of reserve for losses and loss expenses ("loss reserves"). Loss reserves represent management’s estimate of the unpaid portion of our ultimate liability for losses and loss expenses ("ultimate losses") for insured and reinsured events that have occurred at or before the balance sheet date. Loss reserves reflect claims that have been reported ("case reserves") to us and claims that have been incurred but not reported ("IBNR") to us. Loss reserves represent our best estimate of what the ultimate settlement and administration of claims will cost, based on our assessment of facts and circumstances known at that particular point in time.

Loss reserves are not an exact calculation of the liability but instead are complex estimates. The process of estimating loss reserves involves a number of variables (refer to 'Selection of Reported Reserves – Management's Best Estimate' below for further details). We review estimates of loss reserves each reporting period and consider all significant facts and circumstances known at that particular point in time. As additional experience and other data become available and/or laws and legal interpretations change, we may adjust previous estimates of loss reserves. Adjustments are recognized in the period in which they are determined. Therefore, they can impact that period's underwriting results either favorably, indicating that current estimates are lower than previous estimates, or adversely, indicating that current estimates are higher than previous estimates.

Case Reserves

With respect to insurance business, we are generally notified of losses by our insureds and/or their brokers. Based on this information, our claims personnel estimate ultimate losses arising from the claim, including the cost of administering the claims settlement process. These estimates reflect the judgment of our claims personnel based on general reserving practices, the experience and knowledge of such personnel regarding the nature of the specific claim and, where appropriate, the advice of legal counsel, loss adjusters and other relevant consultants.

With respect to reinsurance business, we are generally notified of losses by ceding companies and/or their brokers. For excess of loss contracts, we are typically notified of insured losses on specific contracts and record a case reserve for the estimated ultimate liability arising from the claim. For contracts written on a proportional basis, we typically receive aggregated claims information and record a case reserve for the estimated ultimate liability arising from the claim based on that information. Proportional reinsurance contracts typically require that losses in excess of pre-defined amounts be separately notified so we can adequately evaluate them. Our claims department evaluates each specific loss notification we receive and records additional case reserves when a ceding company’s reserve for a claim is not considered adequate. We also undertake an extensive program of cedant audits, using outsourced legal and industry experience where necessary. This allows us to review cedants’ claims administration practices to ensure that reserves are consistent with exposures, adequately established, and properly reported in a timely manner.

IBNR

The estimation of IBNR is necessary due to potential development on reported claims and the time lag between when a loss event occurs and when it is actually reported, which is referred to as a reporting lag. Reporting lags may arise from a number of factors, including but not limited to, the nature of the loss, the use of intermediaries and complexities in the claims adjusting process. As we do not have specific information on IBNR, it must be estimated. IBNR is calculated by deducting incurred losses (i.e., paid losses and case reserves) from management’s best estimate of ultimate losses. In contrast to case reserves, which are established at the contract level, IBNR reserves are generally estimated at an aggregate level and cannot be identified as reserves for a particular loss event or contract (refer to 'Reserving for Catastrophic Events' below for further details).

Reserving Methodology

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Sources of Information' for a description of the collection and analysis of data used in our quarterly loss reserving process.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Actuarial Analysis' for a description of the reserve estimation methods, Expected Loss Ratio Method ("ELR Method"), Loss Development Method (also referred to as the "Chain Ladder Method" or "Link Ratio Method") and Bornhuetter-Ferguson Method ("BF Method") which are commonly employed by our actuaries together with a discussion of their strengths and weaknesses.

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Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Key Actuarial Assumptions', which notes that the most significant assumptions used in our quarterly loss reserving process are expected loss ratios ("ELRs) and loss development patterns.

Gross Loss Reserves by Line of Business

Gross loss reserves for each of the reportable segments, segregated between case reserves and IBNR, by line of business are shown below:

20232022
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property$556,306$523,713$1,080,019$565,954$487,681$1,053,635
Accident and health28,76789,371118,13722,77060,79583,565
Marine and aviation449,455532,284981,739490,895419,712910,606
Cyber192,784589,018781,802158,449559,561718,010
Professional lines685,0832,523,1943,208,277681,0532,325,6953,006,748
Credit and political risk(1)(45,138)208,975163,838(38,293)181,538143,246
Liability576,5292,597,0683,173,597466,5271,999,2562,465,783
Total Insurance2,443,7867,063,6239,507,4092,347,3556,034,2388,381,593
Reinsurance segment:
Accident and health55,185177,602232,78764,949207,953272,902
Agriculture43,011109,372152,38340,59895,645136,243
Marine and aviation79,79291,369171,16199,019115,582214,601
Professional lines558,556860,7481,419,304550,786761,5751,312,361
Credit and surety171,298196,735368,033133,710169,759303,469
Motor809,811372,3311,182,142753,053367,5041,120,556
Liability733,6971,694,1222,427,818696,2201,353,8462,050,067
Run-off lines
Catastrophe373,031196,573569,604498,604328,723827,327
Property204,21777,440281,657273,607124,253397,860
Engineering86,87734,842121,72097,96453,920151,884
Total run-off lines664,125308,855972,981870,175506,8961,377,071
Total Reinsurance3,115,4753,811,1346,926,6093,208,5103,578,7606,787,270
Total$5,559,261$10,874,757$16,434,018$5,555,865$9,612,998$15,168,863

(1)    During 2023 and 2022, significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(60) million (2022: $(55) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(29) million (2022: $(15) million). Refer to 'Reserving for Credit and Political Risk Business' below for further details.

In order to capture the key dynamics of loss reserve development and potential volatility, lines of business should be considered according to their potential expected length of loss emergence and settlement, generally referred to as the "tail". Favorable development on prior accident year reserves indicates that current estimates are lower than previous estimates, while adverse development on prior accident year reserves indicates that current estimates are higher than previous estimates.

Although estimates of ultimate losses for shorter tail business are inherently more certain than for longer tail business, significant judgment is still required. For example, much of our excess insurance and excess of loss reinsurance business has high attachment points. Therefore, it is often difficult to estimate whether claims will exceed those attachment points. In addition, the inherent uncertainties relating to catastrophe events further add to the complexity of estimating potential exposure. Further, we use managing general agents ("MGAs") and other producers for certain business in the insurance segment, which can delay the reporting of loss information. We expect the majority of development for an accident year or underwriting year to be recognized in the subsequent one to three years.

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Factors that contribute additional uncertainty to estimates for longer tail business include, but are not limited to:

•potential volatility of actuarial estimates, given the number of years of development it takes to produce a significant incurred loss as a percentage of ultimate losses;

•inherent uncertainties about loss trends, claims inflation (e.g., medical, judicial, social) and general economic conditions; and

•the possibility of future litigation, legislative or judicial change that may impact future loss experience relative to prior industry loss experience relied on in reserve estimation.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a detailed discussion of prior year reserve development by line of business and see further details below.

Refer to 'Reserving for Credit and Political Risk Business' below for a detailed discussion of specific loss reserve issues related to the credit and political risk line of business.

Reserving for Credit and Political Risk Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – 'Net incurred and Paid Claims Development Tables by Accident Year – Insurance segment – Insurance Credit and Political Risk' for details of this line of business and the associated key actuarial assumptions.

An important and distinguishing feature of many of these contracts is the contractual right, subsequent to payment of a claim to an insured, to be subrogated to, or otherwise have an interest in, the insured’s rights of recovery under an insured loan or facility agreement. These estimated recoveries are recorded as an offset to credit and political risk gross loss reserves. The lag between the date of a claim payment and the ultimate recovery from the corresponding security can result in negative case reserves at a point in time. During 2023 and 2022, significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(60) million (2022: $(55) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(29) million (2022: $(15) million). Refer to 'Critical Accounting Estimates – Reinsurance Recoverable on Unpaid Losses and Loss Expenses' for further details.

The nature of the underlying collateral is specific to each transaction. Therefore, we estimate the value of this collateral on a contract-by-contract basis. This valuation process is inherently subjective and involves the application of management’s judgment because active markets for the collateral often do not exist. Estimates of values are based on numerous inputs, including information provided by our insureds, as well as third-party sources including rating agencies, asset valuation specialists and other publicly available information. We also assess any post-event circumstances, including restructurings, liquidations and possession of asset proposals/agreements.

In some instances, on becoming aware of a loss event related to credit and political risk business, we negotiate a final settlement of all of our policy liabilities for a fixed amount. In most circumstances, this occurs when the insured moves to realize the benefit of the collateral that underlies the insured loan or facility and presents us with a net settlement proposal that represents a full and final payment by us under the terms of the policy. In consideration for this payment, we secure a cancellation of the policy, or a release of all claims, and waive our right to pursue a recovery of these settlement payments against the collateral that may have been available to us under the insured loan or facility agreement. In certain circumstances, cancellation by way of net settlement or full payment can result in an adjustment to the premium associated with the policy.

Additionally, when we consider prior year reserve development for the credit and political risk line of business, it is important to note that the multi-year nature of this business distorts loss ratios when a single accident year is considered in isolation. Premiums for these contracts generally earn evenly over the contract term, therefore, are reflected in multiple accident years. In contrast, losses incurred on these contracts, which can be characterized as low in frequency and high in severity, are reflected in a single accident year.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for further details.

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Reserving for Catastrophic Events

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Catastrophic Events' for further details.

In addition to those noted in Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Catastrophic Events' there are additional risks that affect our ability to accurately estimate ultimate losses for catastrophic events. For example, the estimates of loss reserves related to hurricanes and earthquakes can be affected by factors including, but not limited to, the inability to access portions of impacted areas, infrastructure disruptions, the complexity of factors contributing to losses, legal and regulatory uncertainties, complexities involved in estimating business interruption losses and additional living expenses, the impact of demand surge, fraud and the limited nature of information available. For hurricanes, additional complex coverage factors may include determining whether damage was caused by flooding or wind, evaluating general liability and pollution exposures, and mold damage. The timing of a catastrophe, for example, near the end of a reporting period, can also affect the level of information available to us to estimate loss reserves for that reporting period.

Results of operations for 2023 were impacted by natural and man-made catastrophe activity (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss Ratio' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details).

Selection of Reported Reserves – Management’s Best Estimate

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Selection of Reported Reserves – Management’s Best Estimate' for further details.

Independent Actuarial Review

On an annual basis, we use an independent actuarial firm to provide an actuarial opinion on the reasonableness of loss reserves for each of our operating subsidiaries and statutory reporting entities as these actuarial opinions are required to meet various insurance regulatory requirements. The actuarial firm also discusses its conclusions from the annual review with management and presents its findings to the Audit Committee of the Board of Directors.

Sensitivity Analysis

While we believe that loss reserves at December 31, 2023 are adequate, new information, events or circumstances may result in ultimate losses that are materially greater or less than provided for in our loss reserves. As previously noted, there are many factors that may cause reserves to increase or decrease, particularly those related to catastrophe losses and longer tail lines of business.

Expected loss ratios are a key assumption in estimates of ultimate losses for business at an early stage of development. A higher expected loss ratio results in a higher ultimate loss estimate, and vice versa.

Assumed loss development patterns are another significant assumption in estimating loss reserves. Accelerating a loss reporting pattern (i.e., shortening the claim tail) results in lower ultimate losses, as the estimated proportion of losses already incurred would be higher.

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The effect on estimates of gross loss reserves of reasonably likely changes in the two key assumptions used to estimate gross loss reserves at December 31, 2023 was as follows:

INSURANCE
Development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Professional lines10% lowerUnchanged10% higher
6 months shorter$(288,175)$(94,560)$99,141
Unchanged(198,491)199,401
6 months longer(75,325)127,841333,337
Property5% lowerUnchanged5% higher
3 months shorter$(86,008)$(41,533)$(10,077)
Unchanged(29,329)29,692
3 months longer32,03461,45594,245
Liability10% lowerUnchanged10% higher
6 months shorter$(375,495)$(191,181)$(6,322)
Unchanged(196,669)198,534
6 months longer20,722225,448435,439
Cyber10% lowerUnchanged10% higher
6 months shorter$(95,647)$(29,914)$35,819
Unchanged(67,568)67,665
6 months longer(12,050)53,700119,705
Marine and aviation5% lowerUnchanged5% higher
3 months shorter$(54,069)$(29,019)$(3,969)
Unchanged(25,430)24,856
3 months longer20,12145,18670,252
Accident and health5% lowerUnchanged5% higher
3 months shorter$(21,958)$(13,671)$(5,181)
Unchanged(5,130)7,437
3 months longer10,28117,89825,515
Credit and political risk10% lowerUnchanged10% higher
6 months shorter$(8,811)$(93)$8,648
Unchanged(8,617)8,750
6 months longer(8,348)1408,903

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REINSURANCE
Development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Liability10% lowerUnchanged10% higher
6 months shorter$(268,341)$(138,120)$(7,408)
Unchanged(135,371)135,662
6 months longer33,811173,961315,570
Accident and health5% lowerUnchanged5% higher
3 months shorter$(60,492)$(40,184)$(16,764)
Unchanged(21,626)25,234
3 months longer39,56458,89882,852
Professional lines10% lowerUnchanged10% higher
6 months shorter$(133,996)$(59,239)$15,518
Unchanged(76,043)76,058
6 months longer1,48578,892156,467
Credit and surety10% lowerUnchanged10% higher
6 months shorter$(32,681)$(12,602)$7,030
Unchanged(21,028)21,207
6 months longer(4,215)17,10339,633
Motor10% lowerUnchanged10% higher
6 months shorter$(49,664)$(15,750)$19,193
Unchanged(31,229)35,349
6 months longer15,07147,53881,399
Agriculture5% lowerUnchanged5% higher
3 months shorter$(11,020)$$11,020
Unchanged(11,019)11,019
3 months longer(11,019)11,019
Marine and aviation5% lowerUnchanged5% higher
3 months shorter$(12,094)$(8,326)$(4,557)
Unchanged(3,527)4,160
3 months longer6,33610,21214,088
Catastrophe5% lowerUnchanged5% higher
3 months shorter$(27,503)$(339)$26,826
Unchanged(27,165)27,164
3 months longer(26,665)50027,665
Property5% lowerUnchanged5% higher
3 months shorter$(12,171)$(6,952)$(2,073)
Unchanged(5,376)5,325
3 months longer4,90510,43416,546
Engineering5% lowerUnchanged5% higher
3 months shorter$(4,137)$(2,944)$(1,751)
Unchanged(1,313)1,313
3 months longer1,8573,3054,752

The results show the cumulative increase (decrease) in loss reserves across all accident years.

For example, if assumed loss development pattern for insurance property business was three months shorter with no accompanying change in ELR assumption, loss reserves may decrease by approximately $42 million. Each of the impacts detailed in the tables is estimated individually, without consideration for any correlation among key assumptions or among lines of business. Therefore, it would be inappropriate to take each of the amounts and add them together in an attempt to

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estimate total volatility. Additionally, it is noted that in some instances, for example the projection of catastrophe estimates or credit and political risks estimates, development patterns are not appropriate as more bespoke techniques are used. While we believe the variations in the expected loss ratios and loss development patterns presented could be reasonably expected, our historical loss data regarding variability is generally limited and actual variations may be greater or less than these amounts.

It is also important to note that the variations are not meant to be a "best-case" or "worst-case" series of scenarios and, therefore, it is possible that future variations in loss reserves may be more or less than the amounts presented. While we believe that these are reasonably likely scenarios, we do not believe this sensitivity analysis should be considered an actual reserve range.

Reinsurance Recoverable on Unpaid Losses and Loss Expenses

In the normal course of business, we purchase facultative and treaty reinsurance protection to limit ultimate losses and to reduce loss aggregation risk. To the extent that reinsurers do not meet their obligations under the reinsurance agreements, we remain liable. Consequently, we are exposed to credit risk associated with reinsurance recoverable on unpaid losses and loss expenses ("reinsurance recoverables") to the extent that any of our reinsurers are unable or unwilling to pay claims.

Reinsurance recoverables for each of the reportable segments, segregated between case reserves and IBNR, by line of business are shown below:

20232022
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property$194,760$207,462$402,222$221,616$177,210$398,826
Accident and health1,4111,5953,0068205,6986,518
Marine and aviation153,065125,149278,215195,84583,131278,976
Cyber115,969314,658430,62792,219301,217393,436
Professional lines392,1041,050,4421,442,546403,0781,071,4611,474,539
Credit and political risk (1)(21,575)56,76735,191(18,990)53,38234,391
Liability315,6411,569,5911,885,232258,0721,288,4471,546,520
Total Insurance1,151,3753,325,6644,477,0391,152,6602,980,5464,133,206
Reinsurance segment:
Accident and health8,55640,75849,3147,30331,34438,647
Agriculture5,9172,4258,3438,6001,41810,018
Marine and aviation19,43213,75433,18527,20930,48457,692
Professional lines89,621280,724370,34581,413222,436303,849
Credit and surety44,02759,147103,17427,09752,21279,309
Motor164,488150,855315,344131,630126,853258,483
Liability162,216527,925690,141136,016391,496527,513
Run-off lines
Catastrophe172,70390,557263,260245,250163,925409,175
Property12,788(31)12,75712,9427213,014
Engineering11171181131135266
Total run-off lines185,60290,597276,198258,323164,132422,455
Total Reinsurance679,8591,166,1851,846,044677,5911,020,3751,697,966
Total$1,831,234$4,491,849$6,323,083$1,830,251$4,000,921$5,831,172

(1)    During 2023 and 2022, significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(60) million (2022: $(55) million) and related negative reinsurance recoverables related to case reserves of $(29) million (2022: $(15) million). Refer to 'Critical Accounting Estimates – Reserve for Losses and Loss Expenses – Reserving for Credit and Political Risk Business' for further details.

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At December 31, 2023, reinsurance recoverables as a percentage of loss reserves was 38% (2022: 38%). At December 31, 2023, reinsurance recoverables that were collectible from reinsurers rated A- or better by A.M Best were 83.1% (2022: 81.8%). Refer to Item 8, Note 12 to the Consolidated Financial Statements 'Commitments and Contingencies' for an analysis of the credit risk associated with reinsurance recoverables at December 31, 2023.

The recognition of reinsurance recoverables requires two key estimates as follows:

•The first estimate is the amount of loss reserves to be ceded to our reinsurers. This amount consists of amounts related to case reserves and amounts related to IBNR. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

•The second estimate is the amount of the reinsurance recoverable balance that we believe ultimately will not be collected from reinsurers. We are selective in choosing reinsurers, buying reinsurance principally from reinsurers with a strong financial condition and industry ratings. The amount we ultimately collect may differ from our estimate due to the ability and willingness of reinsurers to pay claims, which may be negatively impacted by factors such as insolvency, contractual disputes over contract language or coverage and/or other reasons. In addition, economic conditions and/or operational performance of a particular reinsurer may deteriorate, and this could also affect the ability and willingness of a reinsurer to meet their contractual obligations.

Consequently, we review reinsurance recoverables at least quarterly to estimate an allowance for expected credit losses. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

At December 31, 2023, the allowance for expected credit losses was $37 million (2022: $31 million). We have not written off any significant reinsurance recoverable balances in the last three years.

At December 31, 2023, the use of different assumptions could have a material effect on the allowance for expected credit losses. To the extent the creditworthiness of our reinsurers deteriorates due to an adverse event affecting the reinsurance industry, such as a large number of catastrophes, uncollectible amounts could be significantly greater than the allowance for expected credit losses. Given the various considerations used to estimate the allowance for expected credit losses, we cannot precisely quantify the effect a specific industry event may have on the allowance for expected credit losses.

Gross Premiums Written

Revenues primarily relate to premiums generated by our underwriting operations. The basis for recognizing gross premiums written varies by policy or contract type. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

Insurance Segment

For the majority of our insurance business, a fixed premium that is identified in the policy is recorded at the inception of the policy. This premium is adjusted if underlying insured values change. We actively monitor underlying insured values, and any adjustments to premiums are recognized in the period in which they are determined. Gross premiums written on a fixed premium basis accounted for 84% and 85% of the segment’s gross premiums written for the years ended December 31, 2023 and 2022, respectively. Some of this business is written through MGAs, third parties granted authority to bind risks on our behalf in accordance with our underwriting guidelines. For this business, premiums are recorded based on monthly statements received from MGAs or best estimates based on historical experience.

The remainder of our insurance business is written on a line slip or proportional basis, where we assume an agreed proportion of the premiums and losses of a particular risk or group of risks along with other unrelated insurers. As premiums for this business are not identified in the policy, premiums are recognized at the inception of the policy based on estimates provided by clients through brokers (refer to 'Reinsurance Segment' below for further details). We review these premium estimates on a quarterly basis and any adjustments to premium estimates are recognized in the period in which they are determined. Gross premiums written on a line slip or proportional basis accounted for 16% and 15% of the segment’s gross premiums written for the years ended December 31, 2023 and 2022, respectively.

For the credit and political risk line of business, we write certain policies on a multi-year basis. Premiums in respect of these policies are recorded at the inception of the policy based on management’s best estimate of premiums to be received, including assumptions relating to prepayments/refinancing. At December 31, 2023, the average duration of unearned premiums for credit and political risk line of business was 5.7 years (2022: 5.4 years).

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Reinsurance Segment

The reinsurance segment provides cover to cedants (i.e., insurance companies) on an excess of loss or on a proportional basis. In most cases, cedants seek protection from us for business that they have not yet written at the time they enter into agreements with us. Therefore, cedants must estimate their underlying premiums when purchasing reinsurance cover from us.

Excess of loss reinsurance contracts with cedants typically include minimum or deposit premium provisions. For excess of loss reinsurance contracts, minimum or deposit premiums are generally considered to be the best estimate of premiums at the inception of the contract. The minimum or deposit premium is normally adjusted at the end of the contract period to reflect changes in the underlying risks in force during the contract period. Any adjustments to minimum or deposit premiums are recognized in the period in which they are determined. Gross premiums written for excess of loss reinsurance contracts accounted for 39% and 43% of the reinsurance segment’s gross premiums written for the years ended December 31, 2023 and 2022, respectively.

Many of our excess of loss reinsurance contracts also include provisions for automatic reinstatement of coverage in the event of a loss. In a year of significant loss events, reinstatement premiums will be higher than in a year in which there are no large loss events. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' and 'Critical Accounting Estimates – Reserve for Losses and Loss Expenses' above for further details.

For proportional reinsurance contracts, premiums are recognized at the inception of the contract based on estimates to be received from ceding companies. We review these premium estimates on a quarterly basis and evaluate their reasonability in light of premiums reported by cedants. Factors contributing to changes in initial premium estimates may include:

•changes in renewal rates or rates of new business accepted by cedants (changes could result from changes in the relevant insurance market that could affect more than one of our cedants or could be a consequence of changes in the marketing strategy or risk appetite of an individual cedant);

•changes in underlying exposure values; and/or

•changes in rates being charged by cedants.

As a result of this review process, any adjustments to premium estimates are recognized in the period in which they are determined. Changes in premium estimates could be material to gross premiums written in the period. Changes in premium estimates could be also material to net premiums earned in the period in which they are determined, as any adjustment may be substantially or fully earned. Gross premiums written for proportional reinsurance contracts, including adjustments to premium estimates established in prior years, accounted for 61% and 57% of the reinsurance segment’s gross premiums written for the years ended December 31, 2023 and 2022, respectively.

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Gross premiums written for proportional reinsurance contracts incepting during the year were as follows:

Year ended December 31,202320222021
Liability$356,022$376,462$383,232
Accident and health298,577307,082302,520
Professional lines280,381236,454205,305
Credit and surety169,297133,85393,638
Motor68,136135,954187,569
Agriculture99,806112,45272,897
Marine and aviation19,83922,08123,912
Run-off lines
Catastrophe1,3433,46312,733
Property3,00060,204117,397
Engineering
Total run-off lines4,34363,667130,130
Total estimated premiums$1,296,401$1,388,005$1,399,203
Gross premiums written (reinsurance segment)$2,215,761$2,629,014$2,822,752
As a % of total gross premiums written59%53%50%

Historical experience has shown that cumulative adjustments to initial premium estimates for proportional reinsurance contracts have ranged from 0% to 8% over the last 5 years.

We believe that a reasonably likely change to 2023 initial premium estimates for proportional reinsurance contracts would be 4% in either direction. A change in initial premium estimates of this magnitude would result in a change in gross premiums written of approximately $52 million. A change in initial premium estimates of this magnitude would not have a material impact on pre-tax net income, after considering current losses and loss expenses ratios together with acquisition cost ratios.

However, larger variations, positive or negative, are possible.

Net Premiums Earned

Premiums are earned evenly over the period during which we are exposed to the underlying risk. Changes in circumstances subsequent to the inception of contracts can impact the earning periods. For example, when exposure limits for a contract are reached, any associated unearned premiums are fully earned. This can have a significant impact on net premiums earned, particularly for multi-year contracts such as those in the credit and political risk line of business.

Fixed premium insurance policies and excess of loss reinsurance contracts are generally written on a "losses occurring" or "claims made" basis over the term of the contract. Consequently, premiums are earned evenly over the contract term, which is generally 12 months.

Line slip or proportional insurance policies and proportional reinsurance contracts are generally written on a "risks attaching" basis, covering claims that relate to the underlying policies written during the terms of these contracts. As the underlying business incepts throughout the contract term which is typically one year, and the underlying business typically has a one year coverage period, these premiums are generally earned evenly over a 24-month period.

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Fair Value Measurements of Financial Assets and Liabilities

Fair value is defined as the price to sell an asset or transfer a liability (i.e., the "exit price") in an orderly transaction between market participants. Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for information on the valuation techniques, including significant inputs and assumptions generally used in estimating the fair values of our financial instruments.

Fixed Maturities and Equity Securities

At December 31, 2023, the fair values of 94% (2022: 93%) of total fixed maturities and equity securities were based on prices provided by globally recognized independent pricing services where we have a current and detailed understanding of how their prices were derived. The remaining securities were priced by either non-binding broker quotes or internal valuation models.

Generally, we obtain quotes directly from broker-dealers who are active in the corresponding markets when prices are unavailable from independent pricing services. This may also be the case if the pricing from pricing services is not reflective of current market levels, as detected by our pricing control tolerance procedures. Generally, broker-dealers value securities through their trading desks based on observable market inputs. Their pricing methodologies include mapping securities based on trade data, bids or offers, observed spreads and performance on newly issued securities. They may also establish pricing through observing secondary trading of similar securities.

At December 31, 2023 and 2022, we did not adjust any pricing provided by independent pricing services.

Management Pricing Validation

While we obtain pricing from independent pricing services and/or broker-dealers, management is ultimately responsible for determining the fair value measurements of all securities. To ensure fair value measurement is applied consistently and in accordance with U.S. GAAP, annually, we update our understanding of the pricing methodologies used by the pricing services and broker-dealers.

We also challenge any prices we believe may not be representative of fair value under current market conditions. Our review process includes, but is not limited to:

•initial and ongoing evaluation of the pricing methodologies and valuation models used by outside parties to calculate fair value;

•quantitative analysis;

•a review of multiple quotes obtained in the pricing process and the range of resulting fair values for each security, if available; and

•randomly selecting purchased or sold securities and comparing the executed prices to the fair value estimates provided by the independent pricing sources and broker-dealers.

Other Investments

Multi-strategy Funds, Direct Lending Funds, Private Equity Funds and Real Estate Funds

The fair values of multi-strategy funds, direct lending funds, private equity funds and real estate funds are estimated using net asset values (NAVs) as advised by external fund managers or third-party administrators. At December 31, 2023, the estimated fair value of our investments in these funds was $836 million (2022: $856 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

CLO-Equity Securities

The fair values of CLO-Equities are estimated using a discounted cash flow model prepared by an external investment manager. At December 31, 2023, the estimated fair value of our indirect investment in CLO-Equities was $5 million (2022: $5 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

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Other Privately Held Investments

Other privately held investments include common shares, preferred shares, investments in limited partnerships, convertible notes, convertible preferred share and a variable yield security.

These investments are initially valued at cost, which approximates fair value. In subsequent measurement periods, the fair values of these investments are derived from one or a combination of valuation methodologies which consider factors including recent capital raises by the investee companies, comparable precedent transaction multiples, comparable publicly traded multiples, third-party valuations, discounted cash-flow models, and other techniques that consider the industry and development stage of each investee company. The fair value of the variable yield security was determined using an externally developed discounted cash flow model.

At December 31, 2023, the estimated fair value of these investments was $87 million (2022: $136 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Other privately held investments also includes investments in private company investment funds focusing on financial services technology companies with an emphasis on insurance technology companies ("private company investment funds").

The fair values of private company investment funds are estimated using NAVs as advised by external fund managers or third-party administrators. At December 31, 2023, the estimated fair value of our investments in these funds was $21 million (2022: $nil). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale

Fixed maturities classified as available for sale are reported at fair value at the balance sheet date and are presented net of an allowance for expected credit losses. Our available for sale ("AFS") investment portfolio is the largest component of consolidated total assets, and it is a multiple of shareholders’ equity. As a result, impairment losses could be material to our results of operations and financial condition particularly during periods of dislocation in financial markets.

A fixed maturity, available for sale security is impaired if the fair value of the investment is below amortized cost. On a quarterly basis, the Company evaluates all fixed maturities, available for sale for impairment losses.

Details regarding our processes for the identification of impairments of fixed maturities, available for sale and the recognition of the related impairment losses are disclosed in Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies'.

In addition, the methodologies and significant inputs used to estimate the allowance for expected credit losses are disclosed in Item 8, Note 5 (i) to the Consolidated Financial Statements 'Investments'.

At December 31, 2023, we recorded an allowance for expected credit losses of $11 million (2022: $12 million) and for the year ended December 31, 2023, we recorded impairment losses of $13 million (2022: $13 million) (refer to 'Net Investment Income and Net Investment Gains (Losses)' for further details). The allowance for expected credit loss is charged to net income (loss) and is included in net investment gains (losses) in the consolidated statements of operations.

Intent or Requirement to Sell

From time to time, we may sell fixed maturities, available for sale subsequent to the balance sheet date that we did not intend to sell at the balance sheet date. Conversely, we may not sell fixed maturities, available for sale that we intended to sell at the balance sheet date. These changes in intent may arise due to events occurring subsequent to the balance sheet date. The types of events that may result in a change in intent include, but are not limited to, significant changes in the economic facts and circumstances related to the specific issuer, changes in liquidity needs, or changes in tax laws or the regulatory environment.

U.S. Treasury Securities and Other Highly Rated Debt Instruments

Our credit impairment review process excludes fixed maturities, available for sale guaranteed, either explicitly or implicitly, by the U.S. government and its agencies (U.S. Government, U.S. Agency and U.S. Agency RMBS) because we anticipate these securities will not be settled below amortized cost. These securities are evaluated for intent or requirement to sell at a loss.

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RECENT ACCOUNTING PRONOUNCEMENTS

At December 31, 2023, there were no recently issued accounting pronouncements that we have not yet adopted that we expect could have a material impact on our results of operations, financial condition or liquidity.

FY 2022 10-K MD&A

SEC filing source: 0001214816-23-000013.

Extracted structurally from real Item 7 body heading to real Item 7A/8 boundary. Confidence: high. Filing date: 2023-02-27. Report date: 2022-12-31.

ITEM 7.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following is a discussion and analysis of our results of operations for the years ended December 31, 2022 and 2021, and our financial condition at December 31, 2022 and 2021. This should be read in conjunction with Item 8 'Financial Statements and Supplementary Data' of this report. Unless otherwise noted, tabular dollars are in thousands, except per share amounts. Amounts may not reconcile due to rounding differences.

Page
2022 Financial Highlights57
Overview58
Consolidated Results of Operations61
Results by Segment:
i) Insurance Segment63
ii) Reinsurance Segment66
Net Investment Income and Net Investment Gains (Losses)70
Other Expenses (Revenues), Net72
Financial Measures74
Non-GAAP Financial Measures Reconciliation76
Cash and Investments79
Liquidity and Capital Resources86
Critical Accounting Estimates92
i) Reserve for Losses and Loss Expenses93
ii) Reinsurance Recoverable on Unpaid Losses and Loss Expenses100
iii) Gross Premiums Written101
iv) Net Premiums Earned103
v) Fair Value Measurements of Financial Assets and Liabilities103
vi) Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale105
Recent Accounting Pronouncements106

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2022 FINANCIAL HIGHLIGHTS

2022 Consolidated Results of Operations

•Net income available to common shareholders of $193 million, or $2.27 per common share, and $2.25 per diluted common share

•Operating income(1) of $498 million, or $5.81 per diluted common share(1)

•Gross premiums written of $8.2 billion

•Net premiums written of $5.3 billion

•Net premiums earned of $5.2 billion

•Pre-tax catastrophe and weather-related losses, net of reinsurance and reinstatement premiums, of $403 million ($350 million, after-tax), (Insurance: $207 million; Reinsurance: $196 million), or 7.8 points on the current accident year loss ratio, including natural catastrophe and weather-related losses of $338 million, or 6.5 points, primarily attributable to Hurricane Ian, Winter Storm Elliot, June European Convective Storms, and other weather-related events. The remaining losses included $43 million, or 0.8 points, attributable to the Russia-Ukraine war, and $23 million, or 0.4 points, attributable to the COVID-19 pandemic.

•Net favorable prior year reserve development of $26 million

•Net loss of $11 million related to loss portfolio transfer reinsurance agreements including adverse prior year reserve development of $5 million and acquisition costs of $6 million. Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Overview – Recent Developments – Loss Portfolio Transfer Reinsurance Agreements'.

•Underwriting income(2) of $359 million and combined ratio of 95.8%

•Net investment income of $419 million

•Net investment losses of $457 million

•Foreign exchange gains of $158 million

•Reorganization expenses of $31 million

2022 Consolidated Financial Condition

•Total cash and investments of $15.6 billion; fixed maturities, short-term investments, and cash and cash equivalents comprise 85% of total cash and investments and have an average credit rating of AA-

•Total assets of $27.6 billion

•Reserve for losses and loss expenses of $15.2 billion and reinsurance recoverable on unpaid and paid losses and loss expenses of $6.4 billion, including $422 million related to loss portfolio transfer reinsurance agreements. Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Overview – Recent Developments – Loss Portfolio Transfer Reinsurance Agreements'.

•Debt of $1.3 billion and a debt to total capital ratio(3) of 22.0%

•Common shares repurchased were 897,000 common shares for a total of $49 million,

•Common shareholders’ equity of $4.1 billion; book value per diluted common share of $46.95

(1) Operating income (loss) and operating income (loss) per diluted common share are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. The reconciliations to the most comparable GAAP financial measures, net income (loss) available (attributable) to common shareholders and earnings (loss) per diluted common share, respectively, and a discussion of the rationale for the presentation of these items are provided in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, net income (loss), is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations', and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)The debt to total capital ratio is calculated by dividing debt by total capital. Total capital represents the sum of total shareholders’ equity and debt.

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OVERVIEW

Business Overview

AXIS Capital, through its operating subsidiaries, is a global specialty underwriter and provider of insurance and reinsurance solutions with operations in Bermuda, the U.S., Europe, Singapore and Canada. Our underwriting operations are organized around our global underwriting platforms, AXIS Insurance and AXIS Re.

We provide our clients and distribution partners with a broad range of risk transfer products and services, and strong capacity, backed by excellent financial strength. We manage our portfolio holistically, aiming to construct the optimum portfolio of risks, consistent with our risk appetite and the development of our franchise. We nurture an ethical, entrepreneurial, disciplined and diverse culture that promotes outstanding client service, intelligent risk taking, operating efficiency, corporate citizenship and the achievement of superior risk-adjusted returns for our shareholders. We believe that the achievement of our objectives will position us as a global leader in specialty risks. The execution of our business strategy in 2022 included the following:

•increasing our relevance in a select number of attractive specialty lines insurance and treaty reinsurance markets including U.S. excess and surplus lines, North America professional lines and Lloyd's specialty insurance business;

•re-balancing our portfolio towards less volatile lines of business, including the exit from catastrophe and property reinsurance lines in June 2022, that carry attractive returns while deploying capital with risk limits, diversification and risk management;

•investing in attractive growth markets, including the launch of our dedicated Wholesale division in September 2022, and advancing capabilities to address more transactional specialist business (small to mid-sized customers) with our key distribution partners;

•continuing the implementation of a more focused distribution strategy while building mutually beneficial relationships with clients and partners;

•improving the effectiveness and efficiency of our operating platforms and processes;

•investing in data and technology capabilities, and tools to empower our underwriters and enhance the service we provide to our customers;

•utilizing reinsurance markets and third-party capital relationships;

•fostering a positive workplace environment that enables us to attract, retain and develop top talent; and

•growing our corporate citizenship program to give back to our communities and help contribute to a more sustainable future.

For discussion of our results of operations and changes in financial condition for year ended December 31, 2021, compared to year ended December 31, 2020, refer to Part II, Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in our 2021 Form 10-K, which was filed with the SEC on February 25, 2022, and such discussions are incorporated herein by reference.

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Outlook

We are committed to leadership in specialty insurance and reinsurance, where we have a depth of talent and expertise. We believe our market positioning, underwriting expertise, best-in-class claims management capabilities and strong relationships with our distributors and clients, supported by a conservative and well performing investment portfolio, will provide opportunities for increased profitability, with differences among our lines of business driven by our tactical response to market conditions.

The industry has observed rising loss cost trends and, across most lines, we expect rate improvement to continue as carriers assess the impact of heightened catastrophe loss activity, financial and social inflation, and geopolitical uncertainty, among other factors. In this market environment, we continue to focus on growth in attractive lines of business and market segments that are adequately priced.

Rates, terms and conditions across the majority of insurance lines continued to be favorable as pricing generally continues to rise, albeit at varying levels based on market dynamics relative to the individual lines. Market dislocations continue to drive more risks into the Wholesale channel, and we anticipate this to sustain throughout 2023 with the strongest market opportunities occurring in Specialty and E&S lines. For AXIS, we’re continuing to pursue a highly targeted and disciplined underwriting strategy across every line we write and across all our channels of distribution.

The reinsurance market is experiencing material improvements in rates, and terms and conditions. In light of 2022 marking the sixth consecutive year of challenging market loss events, reinsurance carriers are aiming to reduce net volatility and increase profitability. We expect to see opportunity to drive profitable growth among the specialty and casualty reinsurance lines that we offer.

We are encouraged by the pricing improvements we are seeing across most markets, which we expect will carry through 2023, and that rate will continue to keep pace with loss cost trends. Where prices deliver adequate profitability, we will look to grow within our risk and volatility guidelines. With a strengthened book of business, and a growing footprint in specialty markets that are seeing the most favorable conditions, we believe AXIS is well positioned to drive profitable growth within the current environment.

Response to Russia-Ukraine War

Following the Russian invasion of Ukraine and the triggering of sanctions against the countries involved, organizations and named individuals, we established a task-force to coordinate our response to this situation.

The Russia-Ukraine war, and its related impacts, are an emerging and evolving risk to which we are exposed from an underwriting and reserving perspective.

Our team is tracking the situation closely, and is performing stress and scenario testing on existing underwriting exposures. A range of economic impacts and external pressures across individual product lines are being considered.

Underwriting

We are monitoring international sanctions which impact our global operations and were effective March 27, 2022. The impact on gross premiums written for the year ended December 31, 2022 of the cancellation of policies with exposures to the Russia-Ukraine war was immaterial. We continue to evaluate opportunities to write business in the region, not including Russia or Ukraine risks.

We are also closely monitoring cash due from our customers and reinsurers, giving due consideration to the Russia-Ukraine war and associated international sanctions. At December 31, 2022, we considered the potential financial impact of the Russia-Ukraine war when determining allowances for expected credit losses for insurance and reinsurance premium balances receivable and reinsurance recoverable balances on unpaid losses and loss expenses. Based on facts and circumstances at that time, we did not adjust allowances for expected credit losses at December 31, 2022. We will continue to monitor the appropriateness of allowances for expected credit losses as new information comes to light. Adjustments to allowances for expected credit losses in subsequent periods could be material.

Reserving

At December 31, 2022, estimated pre-tax net losses attributable to the Russia-Ukraine war were $43 million.

The estimate of net reserves for losses and loss expenses related to the Russia-Ukraine war is subject to significant uncertainty. This uncertainty is driven by the difficulty in performing on-site evaluations, and by the inherent difficulty in making assumptions due to the lack of comparable events, the ongoing nature of the event, and its far-reaching impacts.

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While we believe the overall estimate of net reserves for losses and loss expenses is adequate for losses and loss adjustment expenses that have been incurred at December 31, 2022, based on current facts and circumstances, we will continue to monitor the appropriateness of our assumptions as new information comes to light and will adjust the estimate of net reserves for losses and loss adjustment expenses, as appropriate. Actual losses for this event may ultimately differ materially from current estimates.

Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further information.

Investments

At December 31, 2022, we had no direct exposures to Russia or Ukraine within our investments portfolio.

Refer to Item 1A, 'Risk Factors' in our most recent Annual Report on Form 10-K for further details.

Recent Developments

AXIS Re's exit from Catastrophe and Property lines of business

On June 7, 2022, we announced the decision to exit catastrophe and property reinsurance lines of business. This strategic initiative is part of an overall approach to reduce our exposure to volatile catastrophe risk. Reorganization expenses, mainly related to this strategic initiative for the year ended December 31, 2022 of $31 million, were attributable to compensation-related costs associated with the termination of certain employees and software asset impairments.

Loss Portfolio Transfer Reinsurance Agreements

On December 9, 2022 (the "transaction date" or "closing date"), we entered into loss portfolio transfer reinsurance agreements with a third-party to reinsure several of our professional lines and liability insurance portfolios, predominantly relating to 2019 and prior accident years.

The transaction covers net reserves for losses and loss expenses of approximately $400 million and provides ground-up cover to a policy limit of $605 million.

The transaction was deemed to have met the established criteria for retroactive reinsurance accounting. At the closing date, we recognized a loss of $17 million as adverse prior year reserve development associated with the transaction. Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for further details.

Under the terms of the loss portfolio transfer reinsurance agreements, the reinsurer also assumed responsibility for the management of certain claims. At the closing date, we recognized income of $12 million in losses and loss expenses associated with this change in claims management responsibility.

We also recognized acquisition costs of $6 million associated with the transaction.

In subsequent periods, we will reassess the reserves for losses and loss expenses subject to the loss portfolio transfer reinsurance agreements.

Any adverse prior year reserve development associated with the subject business will result in the cumulative amounts ceded to the reinsurer exceeding the consideration paid which will result in a gain determined in accordance with retroactive reinsurance accounting. Consistent with our accounting policy, (refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details), gains will be deferred and amortized into net income over the claims settlement period.

Although retroactive reinsurance accounting may result in volatility to our results in the short-term, the loss portfolio transfer reinsurance agreements will protect us from prior year reserve development on the subject business over the contract term, provided this remains within the limit of the agreements.

Transition in our senior leadership

On December 16, 2022, our Board of Directors appointed Vincent Tizzio to succeed Albert Benchimol as Chief Executive Officer, President and as a Class III director, effective at the close of business on the date of the Company’s annual general meeting currently scheduled for May 4, 2023.

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CONSOLIDATED RESULTS OF OPERATIONS

Year ended December 31,2022% Change2021% Change2020
Underwriting revenues:
Gross premiums written$8,214,5957%$7,685,98413%$6,826,938
Net premiums written5,263,0567%4,926,62414%4,336,409
Net premiums earned5,160,32610%4,709,8508%4,371,309
Other insurance related income (loss)13,073(44%)23,295nm(8,089)
Underwriting expenses:
Net losses and loss expenses(3,242,410)8%(3,008,783)(8%)(3,281,252)
Acquisition costs(1,022,017)11%(921,834)(1%)(929,517)
Underwriting-related general and administrative expenses(1)(550,289)3%(536,834)12%(477,968)
Underwriting income (loss)(2)358,683265,694(325,517)
Net investment income418,829(8%)454,30130%349,601
Net investment gains (losses)(456,789)nm134,2794%129,133
Corporate expenses(1)(130,054)3%(126,470)24%(101,822)
Foreign exchange (losses) gains157,945nm(315)nm(81,069)
Interest expense and financing costs(63,146)1%(62,302)(17%)(75,049)
Reorganization expenses(31,426)nmnm(7,881)
Amortization of value of business acquirednm(3,854)(25%)(5,139)
Amortization of intangible assets(10,917)(12%)(12,424)9%(11,390)
Income (loss) before income taxes and interest in income (loss) of equity method investments243,125648,909(129,133)
Income tax (expense) benefit(22,037)(65%)(62,384)nm12,321
Interest in income (loss) of equity method investments1,995(94%)32,084nm(3,612)
Net income (loss)223,083618,609(120,424)
Preferred share dividends(30,250)—%(30,250)—%(30,250)
Net income (loss) available (attributable) to common shareholders$192,833$588,359$(150,674)

nm – not meaningful is defined as a variance greater than +/-100%

(1)Underwriting-related general and administrative expenses is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to general and administrative expenses, the most comparable GAAP financial measure, also included corporate expenses of $130 million, $126 million, and $102 million for 2022, 2021, and 2020, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net'' for further details on corporate expenses. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to net income (loss), the most comparable GAAP financial measure, is presented in the table above. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

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Underwriting Revenues

Underwriting revenues by segment were as follows:

Year ended December 31,2022% Change2021% Change2020
Gross premiums written:
Insurance$5,585,58115%$4,863,23221%$4,018,399
Reinsurance2,629,014(7%)2,822,7521%2,808,539
Total gross premiums written$8,214,5957%$7,685,98413%$6,826,938
Percent of gross premiums written ceded:
Insurance40%— pt40%(1 pt)41%
Reinsurance28%— pt28%(2 pts)30%
Total percent of gross premiums written ceded36%— pt36%— pt36%
Net premiums written:
Insurance$3,377,90617%$2,894,88523%$2,357,501
Reinsurance1,885,150(7%)2,031,7393%1,978,908
Total net premiums written$5,263,0567%$4,926,62414%$4,336,409
Net premiums earned:
Insurance$3,134,15518%$2,651,33915%$2,299,038
Reinsurance2,026,171(2%)2,058,511(1%)2,072,271
Total net premiums earned$5,160,32610%$4,709,8508%$4,371,309

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further details on underwriting revenues.

Combined Ratio

The components of the combined ratio were as follows:

Year ended December 31,2022% Point Change2021% Point Change2020
Current accident year loss ratio, excluding catastrophe and weather-related losses55.5%0.455.1%(2.6)57.7%
Catastrophe and weather-related losses ratio7.8%(1.7)9.5%(8.2)17.7%
Current accident year loss ratio63.3%(1.3)64.6%(10.8)75.4%
Prior year reserve development ratio(0.5%)0.2(0.7%)(0.4)(0.3%)
Net losses and loss expenses ratio62.8%(1.1)63.9%(11.2)75.1%
Acquisition cost ratio19.8%0.219.6%(1.7)21.3%
General and administrative expense ratio(1)13.2%(0.8)14.0%0.813.2%
Combined ratio95.8%(1.7)97.5%(12.1)109.6%

(1)The general and administration expense ratio included corporate expenses not allocated to underwriting segments of 2.5%, 2.7% and 2.3% for 2022, 2021 and 2020, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net' for further details.

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment' for further details on underwriting expenses.

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RESULTS BY SEGMENT

Insurance Segment

Results for the insurance segment were as follows:

Year ended December 31,2022% Change2021% Change2020
Revenues:
Gross premiums written$5,585,58115%$4,863,23221%$4,018,399
Net premiums written3,377,90617%2,894,88523%2,357,501
Net premiums earned3,134,15518%2,651,33915%2,299,038
Other insurance related income559(66%)1,662(37%)2,647
Expenses:
Current accident year net losses and loss expenses(1,802,204)(1,533,358)(1,705,951)
Prior year reserve development16,35018,3608,937
Acquisition costs(577,838)(484,344)(461,533)
Underwriting-related general and administrative expenses(443,704)(429,282)(378,839)
Underwriting income (loss)$327,318$224,377$(235,701)
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses51.0%(0.4)51.4%(3.7)55.1%
Catastrophe and weather-related losses ratio6.5%0.16.4%(12.7)19.1%
Current accident year loss ratio57.5%(0.3)57.8%(16.4)74.2%
Prior year reserve development ratio(0.5%)0.2(0.7%)(0.3)(0.4%)
Net losses and loss expenses ratio57.0%(0.1)57.1%(16.7)73.8%
Acquisition cost ratio18.4%0.118.3%(1.8)20.1%
Underwriting-related general and administrative expense ratio14.2%(2.0)16.2%(0.3)16.5%
Combined ratio89.6%(2.0)91.6%(18.8)110.4%

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Gross Premiums Written

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2022202120202021 to 20222020 to 2021
Professional lines$1,322,96624%$1,290,76726%$944,85623%2%37%
Property1,357,48924%1,192,98125%1,053,54126%14%13%
Liability1,138,64520%930,99919%764,40719%22%22%
Cyber644,74612%525,34911%433,51911%23%21%
Marine and aviation652,68712%580,63512%507,07613%12%15%
Accident and health258,3995%178,8994%158,5864%44%13%
Credit and political risk210,6493%163,6023%156,4144%29%5%
Total$5,585,581100%$4,863,232100%$4,018,399100%15%21%

Gross premiums written in 2022 increased by $722 million, or 15% ($804 million, or 17%, on a constant currency basis(1)), compared to 2021 attributable to all lines of business.

The increases in liability, property, marine and aviation lines, and professional lines were due to favorable rate changes and new business. The increase in cyber lines was due to favorable rate changes. The increases in accident and health, and credit and political risk were due to new business.

Ceded Premiums Written

Ceded premiums written in 2022 were $2,208 million, or 40% of gross premiums written, compared to $1,968 million, or 40% in 2021. The increase in ceded premiums written of $239 million, or 12% was primarily driven by increases in liability, property, cyber, and credit and political risk lines, partially offset by decreases in professional lines and accident and health lines.

The increases in liability, property, cyber, and credit and political risk lines reflected the increase in gross premiums written in 2022, compared to 2021. The increase in property lines was also attributable to a new quota share treaty and to the restructuring of a significant existing quota share treaty. The decrease in professional lines was due to the restructuring of a significant existing quota share treaty. The decrease in accident and health lines was due to new business written in 2022 which was fully retained.

(1) Amounts presented on a constant currency basis are non-GAAP financial measures as defined in Item10 (e) of SEC Regulation S-K. The constant currency basis is calculated by applying the average foreign exchange rate from the current year to the prior year balance.

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Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2022202120202021 to 20222020 to 2021
Professional lines$817,92426%$646,39023%$509,44822%27%27%
Property755,98624%711,29727%653,18628%6%9%
Liability459,77515%354,78713%315,43414%30%12%
Cyber309,00410%252,07710%206,7209%23%22%
Marine and aviation479,49915%439,05017%364,65616%9%20%
Accident and health209,5487%151,1336%143,7256%39%5%
Credit and political risk102,4193%96,6054%105,8695%6%(9%)
Total$3,134,155100%$2,651,339100%$2,299,038100%18%15%

Net premiums earned in 2022 increased by $483 million, or 18% ($532 million, or 20%, on a constant currency basis), compared to 2021. The increase was primarily driven by increases in gross premiums earned in liability, professional lines, cyber, property, accident and health, and marine and aviation lines, partially offset by increases in ceded premiums earned in liability, property, cyber, and professional lines.

Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2022% Point Change2021% Point Change2020
Current accident year loss ratio57.5%(0.3)57.8%(16.4)74.2%
Prior year reserve development ratio(0.5%)0.2(0.7%)(0.3)(0.4%)
Loss ratio57.0%(0.1)57.1%(16.7)73.8%

Current Accident Year Loss Ratio

The current accident year loss ratio decreased to 57.5% in 2022 from 57.8% in 2021.

During 2022, catastrophe and weather-related losses, net of reinstatement premiums, were $207 million, or 6.5 points, including natural catastrophe and weather-related losses of $177 million, or 5.6 points, primarily attributable to Hurricane Ian, Winter Storm Elliot, Eastern Australia floods, South Africa floods, and other weather-related events. The remaining losses of $29 million, or 0.9 points, were attributable to the Russia-Ukraine war.

Comparatively, in 2021, catastrophe and weather-related losses, net of reinstatement premiums, were $175 million, or 6.4 points, primarily attributable to Hurricane Ida, Winter Storms Uri and Viola, and other weather-related events.

After adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio decreased to 51.0% in 2022 from 51.4% in 2021. The decrease in the current accident year loss ratio, after adjusting for the impact of the catastrophe and weather-related losses was principally due to the impact of favorable pricing over loss trends, partially offset by changes in business mix.

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Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details on the lines of business, the expected claim tails, and prior year development.

Acquisition Cost Ratio

The acquisition cost ratio increased to 18.4% in 2022 from 18.3% in 2021, respectively, principally related to an increase in profit commission costs and fees associated with the loss portfolio transfer reinsurance agreements (refer to Management's Discussion and Analysis of Financial Condition and Results of Operations – Overview – Recent Developments – Loss Portfolio Transfer Reinsurance Agreements for further details), largely offset by changes in business mix attributable to the decrease in program business in property lines written in recent periods, and an increase in ceding commissions mainly in liability lines.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio decreased to 14.2% in 2022 from 16.2% in 2021, mainly driven by an increase in net premiums earned, partially offset by an increase in personnel costs and travel costs.

Reinsurance Segment

Results for the reinsurance segment were as follows:

Year ended December 31,2022% Change2021% Change2020
Revenues:
Gross premiums written$2,629,014(7%)$2,822,7521%$2,808,539
Net premiums written1,885,150(7%)2,031,7393%1,978,908
Net premiums earned2,026,171(2%)2,058,511(1%)2,072,271
Other insurance related income (loss)12,514(42%)21,633nm(10,736)
Expenses:
Current accident year net losses and loss expenses(1,465,739)(1,507,835)(1,591,210)
Prior year reserve development9,18314,0496,972
Acquisition costs(444,179)(437,490)(467,984)
Underwriting-related general and administrative expenses(106,585)(107,552)(99,129)
Underwriting income (loss)$31,365$41,317$(89,816)
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses62.6%2.759.9%(0.7)60.6%
Catastrophe and weather-related losses ratio9.7%(3.6)13.3%(2.9)16.2%
Current accident year loss ratio72.3%(0.9)73.2%(3.6)76.8%
Prior year reserve development ratio(0.4%)0.2(0.6%)(0.2)(0.4%)
Net losses and loss expenses ratio71.9%(0.7)72.6%(3.8)76.4%
Acquisition cost ratio21.9%0.621.3%(1.3)22.6%
Underwriting-related general and administrative expense ratio5.3%0.25.1%0.34.8%
Combined ratio99.1%0.199.0%(4.8)103.8%

nm – not meaningful

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Gross Premiums Written:

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2022202120202021 to 20222020 to 2021
Liability$719,83127%$722,93126%$619,99822%%17%
Accident and health411,89116%398,64114%371,82813%3%7%
Professional lines400,80715%353,67113%312,93511%13%13%
Credit and surety298,56511%208,1087%232,6998%43%(11%)
Motor239,7949%279,96610%304,60111%(14%)(8%)
Agriculture128,0125%86,1283%70,5003%49%22%
Marine and aviation93,3714%73,9683%73,1023%26%1%
Run-off lines
Catastrophe222,8109%492,39716%551,14419%(55%)(11%)
Property103,4924%213,4068%245,8469%(52%)(13%)
Engineering10,441%(6,464)%25,8861%nmnm
Total run-off lines336,74313%699,33924%822,87629%(52%)(15%)
Total$2,629,014100%$2,822,752100%$2,808,539100%(7%)1%

nm – not meaningful

Gross premiums written in 2022 decreased by $194 million, or 7% ($140 million, or 5%, on a constant currency basis), compared to 2021. The decrease was primarily attributable to catastrophe, property, motor, and liability lines, partially offset by increases in credit and surety, professional lines, agriculture, marine and aviation, engineering, and accident and health lines.

The decreases in catastrophe and property lines were largely driven by non-renewals and decreased line sizes associated with repositioning the portfolio during the six months ended June 2022, together with the exit from these lines of business in June 2022. The decrease in catastrophe lines was also due to a lower level of reinstatement premiums related to catastrophe losses in 2022, compared to 2021.

The decrease in motor lines was largely driven by non-renewals and decreased line sizes associated with repositioning the portfolio. In addition, the decrease in motor lines was attributable to the impact of foreign exchange rate movements, and the timing of the renewal of a significant contract, partially offset by a lower level of negative premium adjustments in 2022, compared to 2021 due to significant adjustments attributable to the COVID-19 pandemic recognized in 2021.

The decrease in liability lines was due to a lower level of premium adjustments associated with favorable market conditions in 2022, compared to 2021, largely offset by an increase in renewals due to favorable market conditions, and new business.

The increases in credit and surety, agriculture, professional lines, and accident and health lines were driven by new business.

The increases in credit and surety, and accident and health lines were also due to premium adjustments related to significant contracts.

The increase in professional lines was also due to a higher level of premium adjustments associated with favorable market conditions in 2022, compared to 2021. In addition, an increase in renewals associated with favorable market conditions and increased line sizes on several contracts contributed to the increase in professional lines in 2022, compared to 2021.

The increase in engineering lines was due to premium adjustments related to a significant contract.

The increase in marine and aviation lines was attributable to new business and premium adjustments.

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Ceded Premiums Written

Ceded premiums written in 2022 were $744 million, or 28%, of gross premiums written, compared to $791 million, or 28%, in 2021. The decrease in ceded premiums written of $47 million, or 6%, was primarily driven by a decrease in catastrophe lines, partially offset by increases in professional lines, motor, and credit and surety lines.

The decrease in catastrophe lines reflected the decrease in gross premiums written in 2022, compared to 2021.

The increase in professional lines was due to the increase in gross premiums written in 2022, compared to 2021, premiums ceded to new quota share retrocessional treaties with a strategic capital partner and the restructuring of significant quota share retrocessional treaties.

The increase in motor lines was associated with the restructuring of significant quota share retrocessional treaties, partially offset by the decrease in gross premiums written in 2022, compared to 2021.

The increase in credit and surety lines was attributable to the increase in gross premiums written in 2022, compared to 2021, premium adjustments and the restructuring of a significant quota share retrocessional treaty.

Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2022202120202021 to 20222020 to 2021
Liability$484,68124%$431,59621%$397,89419%12%8%
Accident and health368,74718%361,19618%333,99716%2%8%
Professional lines250,91112%220,44811%207,60510%14%6%
Credit and surety192,92610%158,5498%187,7229%22%(16%)
Motor205,77410%247,09912%256,06412%(17%)(4%)
Agriculture122,2896%82,7434%73,6974%48%12%
Marine and aviation78,5044%58,7753%53,5133%34%10%
Run-off lines
Catastrophe156,2327%238,77511%244,93412%(35%)(3%)
Property135,4807%231,09211%256,32412%(41%)(10%)
Engineering30,6272%28,2381%60,5213%8%(53%)
Total run-off lines322,33916%498,10523%561,77927%(35%)(11%)
Total$2,026,171100%$2,058,511100%$2,072,271100%(2%)(1%)

Net premiums earned in 2022 decreased by $32 million, or 2%, (increased by $54 million, or 3%, on a constant currency basis), compared to 2021. The decrease was primarily driven by decreases in gross premiums earned in catastrophe, property, and motor lines, together with increases in ceded premiums earned in professional lines, motor, and credit and surety lines. These decreases were partially offset by increases in gross premiums earned in liability, professional lines, credit and surety, agriculture, and marine and aviation lines and decreases in ceded premiums earned in catastrophe lines.

Other Insurance Related Income (Loss)

Other insurance related income of $13 million in 2022, compared to other insurance related income of $22 million in 2021, a decrease of $9 million, primarily due to a decrease in fees related to arrangements with strategic capital partners.

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Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2022% Point Change2021% Point Change2020
Current accident year loss ratio72.3%(0.9)73.2%(3.6)76.8%
Prior year reserve development ratio(0.4%)0.2(0.6%)(0.2)(0.4%)
Loss ratio71.9%(0.7)72.6%(3.8)76.4%

Current Accident Year Loss Ratio

The current accident year loss ratio decreased to 72.3% in 2022 from 73.2% in 2021. The decrease in the current accident year loss ratio was impacted by a lower level of catastrophe and weather-related losses.

During 2022, catastrophe and weather-related losses, net of reinstatement premiums, were $196 million, or 9.7 points, including natural catastrophe and weather-related losses of $160 million, or 8.0 points, primarily attributable to Hurricane Ian, June European Convective Storms, Eastern Australia floods, South Africa floods, Winter Storm Elliot, and other weather-related events. The remaining losses included $23 million, or 1.1 points, attributable to the COVID-19 pandemic, and $13 million, or 0.6 points, attributable to the Russia-Ukraine war.

Comparatively, in 2021, catastrophe and weather-related losses, net of reinstatement premiums, were $268 million or 13.3 points, primarily attributable to Hurricane Ida, July European Floods, Winter Storms Uri and Viola, June European Convective Storms, December Convective Storms that principally impacted the U.S. Southwest and the Upper Midwest, Quad-state tornadoes, and other weather-related events.

After adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio increased to 62.6% in 2022 from 59.9% in 2021, principally due to changes in business mix associated with the exit from catastrophe and property lines of business in June 2022.

Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details on the lines of business, the expected claim tails, and prior year development.

Acquisition Cost Ratio

The acquisition cost ratio increased to 21.9% in 2022 from 21.3% in 2021, principally related to changes in business mix driven by the decrease in property catastrophe business written in recent periods and the increase in liability, professional lines, and credit and surety lines of business written in recent periods, together with higher costs associated with professional lines business mainly due to more proportional business being written in the recent periods, partially offset by the impact of retrocessional contracts.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio increased to 5.3% in 2022 from 5.1% in 2021, mainly driven by a decrease in net premiums earned and a decrease in fees related to arrangements with strategic capital partners, largely offset by a decrease in personnel costs and performance-related compensation costs.

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NET INVESTMENT INCOME AND NET INVESTMENT GAINS (LOSSES)

Net Investment Income

Net investment income from our cash and investment portfolio by major asset class was as follows:

Year ended December 31,2022% Change2021% Change2020
Fixed maturities$329,85826%$262,049(17%)$317,121
Other investments57,043(69%)181,906nm16,059
Equity securities10,390(19%)12,75237%9,328
Mortgage loans23,40734%17,42713%15,432
Cash and cash equivalents20,273nm4,454(67%)13,582
Short-term investments3,535nm664(76%)2,749
Gross investment income444,506(7%)479,25228%374,271
Investment expense(25,677)3%(24,951)1%(24,670)
Net investment income$418,829(8%)$454,30130%$349,601
Pre-tax yield:(1)
Fixed maturities2.6%2.2%2.6%

nm – not meaningful

(1)Pre-tax yield is calculated by dividing net investment income by the average month-end amortized cost balances.

Fixed Maturities

2022 versus 2021: Net investment income in 2022 increased by $68 million or 26%, compared to 2021 due to an increase in yields.

Other Investments

Other investments include hedge funds, direct lending funds, private equity funds, real estate funds, other privately held investments and an indirect investment in CLO-Equities. These investments are recorded at fair value, with changes in fair value and income distributions reported in net investment income. Consequently, the pre-tax return on other investments may vary materially year over year, particularly during volatile equity and credit markets.

Net investment income from other investments was as follows:

Year ended December 31,202220212020
Hedge, direct lending, private equity and real estate funds$39,151$133,923$16,267
Other privately held investments14,93144,4825,809
CLO-Equities2,9613,501(6,017)
Total net investment income from other investments(1)$57,043$181,906$16,059
Pre-tax return on other investments(2)5.9%21.4%2.2%

(1)Excluded overseas deposits in 2020. Overseas deposits in 2020 included investments in private funds held by Syndicate 2007 where the underlying investments were primarily U.S. government, non-U.S. government and corporate debt securities.

(2)The pre-tax return on other investments is calculated by dividing total net investment income from other investments by the average month-end fair value balances held for the periods indicated, excluding overseas deposits.

2022 versus 2021: Pre-tax return on other investments in 2022 decreased to 5.9%, compared to 21.4% in 2021. The decrease was primarily attributable to lower returns from hedge, direct lending and private equity funds and other privately held investments.

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Net Investment Gains (Losses)

Fixed maturities classified as available for sale are reported at fair value. Realized gains (losses) on fixed maturities are reported in net investment gains (losses) when these securities are sold or impaired.

Equity securities are reported at fair value. Realized gains (losses) on equity securities are also reported in net investment gains (losses) when securities are sold or impaired. In addition, changes in the fair values of equity securities are reported in net investment gains (losses).

Changes in the fair value of investment derivatives, mainly foreign exchange forward contracts are recorded in net investment gains (losses).

Net investment gains (losses) were as follows:

Year ended December 31,202220212020
On sale of investments:
Fixed maturities and short-term investments$(311,822)$95,116$92,119
Equity securities7,2814,71719,808
(304,541)99,833111,927
Change in allowance for expected credit losses(11,421)11(323)
Impairment losses (1)(12,568)(22)(1,486)
Change in fair value of investment derivatives7,6564,346(2,434)
Net unrealized gains (losses) on equity securities(135,915)30,11121,449
Net investment gains (losses)$(456,789)$134,279$129,133

(1)Related to instances where we intend to sell securities, or it is more likely than not that we will be required to sell securities before their anticipated recovery.

2022 versus 2021: Net investment losses in 2022 were $457 million compared to net investment gains of $134 million in 2021. Net investment losses reported in 2022 mainly reflected net realized losses on the sale of corporate debt, U.S. government and Agency RMBS and net unrealized losses on equity securities. Net investment gains reported in 2021 mainly reflected net realized gains on the sale of corporate debt, non-U.S. government and CMBS and net unrealized gains on equity securities.

On Sale of Investments

Generally, sales of individual securities occur when there are changes in the relative value, credit quality, or duration of a particular issue. We may also sell securities to re-balance our investment portfolio in order to change exposure to particular asset classes or sectors.

Impairment Losses

The impairment losses (refer to 'Critical Accounting Estimates – Impairment losses' for further details) recognized in net income were as follows:

2022 versus 2021: Impairment losses in 2022 were $13 million compared to impairment losses of $nil in 2021. The impairment losses in 2022 were principally due to impairments of non-investment grade corporate debt securities that we intended to sell or where we determined that it was more likely than not that we were required to sell securities before their anticipated recovery.

Change in Fair Value of Investment Derivatives

From time to time, we economically hedge foreign exchange exposure with derivative contracts.

During 2022, foreign exchange hedges resulted in $8 million of net gains which primarily related to securities denominated in pound sterling and euro which experienced volatility during 2022.

During 2021, foreign exchange hedges resulted in $4 million of net gains which primarily related to securities denominated in euro which experienced volatility during 2021.

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Our derivative instruments are not designated as hedges. Therefore, net unrealized gains (losses) on the hedged securities were recorded in accumulated other comprehensive income (loss) in the statement of changes in shareholders’ equity.

Total Return

Our investment strategy is to take a long-term view by actively managing our investment portfolio to maximize total return within certain guidelines and constraints. In assessing returns under this approach, we include net investment income, net investment gains (losses), the change in unrealized gains (losses) on fixed maturities, and interest in income (loss) of equity method investments generated by our investment portfolio.

Total return on cash and investments was as follows:

Year ended December 31,202220212020
Net investment income$418,829$454,301$349,601
Net investments gains (losses)(456,789)134,279129,133
Change in net unrealized gains (losses) on fixed maturities(1)(909,150)(405,378)269,937
Interest in income (loss) of equity method investments1,99532,084(3,612)
Total$(945,115)$215,286$745,059
Average cash and investments(2)$15,963,535$16,107,523$15,562,097
Total return on average cash and investments, pre-tax:
Including investment related foreign exchange movements(5.9%)1.3%4.8%
Excluding investment related foreign exchange movements(3)(5.2%)1.6%4.4%

(1)Change in net unrealized gains (losses) on fixed maturities is calculated by taking net unrealized gains (losses) at period end less net unrealized gains (losses) at the prior period end.

(2)The average cash and investments is calculated by taking the average of the period end fair value balances.

(3)Pre-tax total return on cash and investments excluding foreign exchange rate movements is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to pre-tax total return on cash and investments, the most comparable GAAP financial measure, included foreign exchange gains (losses) of $(110) million, $(40) million and $55 million for the years ended December 31, 2022, 2021 and 2020, respectively.

OTHER EXPENSES (REVENUES), NET

The following table provides a summary of other expenses (revenues), net:

Year ended December 31,2022% Change2021% Change2020
Corporate expenses$130,0543%$126,47024%$101,822
Foreign exchange losses (gains)(157,945)nm315nm81,069
Interest expense and financing costs63,1461%62,302(17%)75,049
Income tax expense (benefit)22,037(65%)62,384nm(12,321)
Total$57,292$251,471$245,619

nm – not meaningful

Corporate Expenses

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As a percentage of net premiums earned, corporate expenses decreased to 2.5% in 2022 from 2.7% in 2021.

The increase in corporate expenses in 2022 was mainly driven by executive-related compensation cost of $15 million associated with the transition in our senior leadership and an increase in personnel costs, largely offset by decreases in performance-related compensation costs, business fees, and professional services costs.

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Foreign Exchange Losses (Gains)

Some of our business is written in currencies other than the U.S. dollar.

Foreign exchange gains in 2022 were primarily related to the impact of the strengthening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling and euro.

Foreign exchange losses in 2021 were primarily related to the impact of the weakening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling, Australian dollar and other currencies, largely offset by the strengthening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in euro and Japanese yen.

Interest Expense and Financing Costs

Interest expense and financing costs are related to interest due on the 5.150% senior unsecured notes ("5.150% Senior Notes") issued in 2014, the 4.000% senior unsecured notes ("4.000% Senior Notes") issued in 2017, the 3.900% senior unsecured notes ("3.900% Senior Notes"), and the 4.900% fixed-rate reset junior subordinated notes ("Junior Subordinated Notes") issued in 2019, and the Federal Home Loan advances ("FHLB advances") received in 2022.

Interest expense and financing costs increased by $1 million in 2022, compared to 2021, due to the FHLB advances in 2022.

Income Tax Expense (Benefit)

Income tax expense (benefit) primarily results from income (loss) generated by our foreign operations in the U.S. and Europe. Our effective tax rate, which is calculated as income tax expense (benefit) divided by income (loss) before tax including interest in income (loss) of equity method investments, was 9.0%, 9.2%, and 9.3% in 2022, 2021, and 2020, respectively. This effective rate can vary between years depending on the distribution of net income (loss) among tax jurisdictions, as well as other factors.

The tax expense of $22 million in 2022 was principally due to the generation of pre-tax income in our U.K., U.S. and European insurance operations, together with a valuation allowance on certain deferred tax assets, partially offset by the re-estimation of the amount of net deferred tax assets that would be realized at the 25% tax rate in the U.K. that takes effect in 2023.

In 2022, the valuation allowance increased by $43 million. The net loss incurred by AXIS Re SE, the Irish reinsurance company, resulted in the recognition of a valuation allowance of $41 million against the net deferred tax assets of AXIS Re SE and AXIS Re Europe, the Swiss branch of the Irish reinsurance company, of which $22 million was recorded in net income (loss) and $19 million was recorded in other comprehensive income (loss). A partial valuation allowance of $2 million was also recorded against U.S. foreign tax credits.

At December 31, 2022, the U.S. operations had a deferred tax asset of $71 million for the unrealized losses on its fixed maturity securities that were recorded in other comprehensive income (loss). We examined the need for a valuation allowance and after considering all positive and negative evidence concluded a valuation allowance against its net unrealized investment losses in the U.S. was not required.

The tax expense of $62 million in 2021 was principally due to the generation of pre-tax income in our U.S., U.K. and European operations.

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FINANCIAL MEASURES

We believe that the following financial indicators are important in evaluating performance and measuring the overall growth in value generated for common shareholders:

Year ended and at December 31,202220212020
Return on average common equity(1)4.3%12.2%(3.2%)
Operating return on average common equity(2)11.1%9.1%(3.7%)
Book value per diluted common share(3)$46.95$55.78$55.09
Cash dividends declared per common share$1.73$1.69$1.65
Increase (decrease) in book value per diluted common share adjusted for dividends$(7.10)$2.38$0.95

(1)    Return on average common equity ("ROACE") is calculated by dividing net income (loss) available (attributable) to common shareholders for the year by the average common shareholders' equity determined using the common shareholders' equity balances at the beginning and end of the year.

(2)    Operating return on average common equity ("operating ROACE"), is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, ROACE, and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)    Book value per diluted common share represents common shareholders’ equity divided by the number of diluted common share outstanding, determined using the treasury stock method. Cash-settled restricted stock units are excluded.

Return on Average Common Equity

Our objective is to generate superior returns on capital that appropriately reward common shareholders for the risks we assume and to grow revenue only when we expect the returns will meet or exceed our requirements. We recognize that the nature of underwriting cycles and the frequency or severity of large loss events in any one year may challenge the ability to achieve a profitability target in any specific period.

ROACE reflects the impact of net income (loss) available (attributable) to common shareholders, including net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments.

The decrease in ROACE in 2022, compared to 2021, was primarily driven by net investment losses, a decrease in net investment income, reorganization expenses, and a decrease in interest in income (loss) of equity method investments, partially offset by foreign exchange gains, an increase in underwriting income, and a decrease in income tax expense. In addition, ROACE was impacted by a decrease in average common shareholders' equity.

Operating ROACE excludes the impact of net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments.

The increase in operating ROACE in 2022, compared to 2021, was primarily driven by an increase in underwriting income and a decrease in income tax expense, partially offset by a decrease in net investment income. In addition, operating ROACE was impacted by a decrease in average common shareholders' equity.

Book Value per Diluted Common Share

We consider book value per diluted common share to be an appropriate measure of returns to common shareholders, as we believe growth in book value on a diluted basis will ultimately translate into appreciation of our stock price.

In 2022, book value per diluted common share decreased by 16%, due to the net unrealized investment losses reported in other comprehensive income (loss) and common dividends declared, partially offset by net income generated in the year.

In 2021, book value per diluted common share increased by 1%, due to the net income generated, partially offset by a decrease in net unrealized investment gains reported in other comprehensive income and common dividends declared.

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Cash Dividends Declared per Common Share

We believe in returning excess capital to shareholders by way of dividends. Accordingly, dividend policy is an integral part of the value we create for shareholders. Our Board of Directors have approved nineteen successive annual increases in quarterly common share dividends.

Book Value per Diluted Common Share Adjusted for Dividends

Taken together, we believe that growth in book value per diluted common share and common share dividends declared represent the total value created for common shareholders. As companies in the insurance industry have differing dividend payout policies, we believe that investors use the book value per diluted common share adjusted for dividends metric to measure comparable performance across the industry.

In 2022, the decrease in total value of $7.10, or 13%, was driven by net unrealized investment losses recognized in other comprehensive income (loss), partially offset by the net income generated in the year.

In 2021, the increase in total value of $2.38, or 4%, was driven by the net income generated in the year, partially offset by a decrease in net unrealized investment gains recognized in accumulated other comprehensive income.

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NON-GAAP FINANCIAL MEASURES RECONCILIATION

Years ended December 31,202220212020
Net income (loss) available (attributable) to common shareholders$192,833$588,359$(150,674)
Net investment (gains) losses(1)456,789(134,279)(129,133)
Foreign exchange losses (gains)(2)(157,945)31581,069
Reorganization expenses(3)31,4267,881
Interest in (income) loss of equity method investments(4)(1,995)(32,084)3,612
Income tax expense (benefit)(23,177)14,16613,023
Operating income (loss)$497,931$436,477$(174,222)
Earnings (loss) per diluted common share (5)$2.25$6.90$(1.79)
Net investment (gains) losses5.33(1.57)(1.53)
Foreign exchange losses (gains)(1.84)0.96
Reorganization expenses0.370.09
Interest in (income) loss of equity method investments(0.02)(0.38)0.04
Income tax expense (benefit)(0.28)0.170.15
Operating income (loss) per diluted common share(5)$5.81$5.12$(2.08)
Weighted average diluted common shares outstanding(6)85,66985,29184,262
Average common shareholders' equity$4,475,283$4,803,175$4,757,351
Return on average common equity4.3%12.2%(3.2%)
Operating return on average common equity11.1%9.1%(3.7%)

(1)Tax expense (benefit) of $(36) million, $11 million and $18 million for the years ended December 31, 2022, 2021 and 2020, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions, after consideration of other relevant factors including the ability to utilize capital losses.

(2)Tax expense (benefit) of $16 million, $3 million and $(4) million for the years ended December 31, 2022, 2021 and 2020, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions, after consideration of other relevant factors including the tax status of specific foreign exchange transactions.

(3)Tax expense (benefit) of $(4) million, $nil and $(1) million for the years ended December 31, 2022, 2021 and 2020, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions.

(4)Tax expense (benefit) of $nil for the years ended December 31, 2022, 2021 and 2020, respectively, Tax impact is estimated by applying the statutory rates of applicable jurisdictions.

(5)Loss per diluted common share and operating loss per diluted common share for the year ended December 31, 2020, were calculated using weighted average common shares outstanding due to the net loss attributable to common shareholders and the operating loss recognized in that year.

(6)Refer to Item 8, Note 14 to the Consolidated Financial Statements 'Earnings Per Common Share' for further details.

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Rationale for the Use of Non-GAAP Financial Measures

We present our results of operations in a way we believe will be meaningful and useful to investors, analysts, rating agencies and others who use our financial information to evaluate our performance. Some of the measurements we use are considered non-GAAP financial measures under SEC rules and regulations. In this Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A"), we present underwriting-related general and administrative expenses, consolidated underwriting income (loss), operating income (loss) (in total and on a per share basis), operating return on average common equity ("operating ROACE"), amounts presented on a constant currency basis and pre-tax total return on cash and investments excluding foreign exchange movements, which are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. We believe that these non-GAAP financial measures, which may be defined and calculated differently by other companies, help explain and enhance the understanding of our results of operations. However, these measures should not be viewed as a substitute for those determined in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP").

Underwriting-Related General and Administrative Expenses

Underwriting-related general and administrative expenses include those general and administrative expenses that are incremental and/or directly attributable to our underwriting operations. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As these costs are not incremental and/or directly attributable to our underwriting operations, these costs are excluded from underwriting-related general and administrative expenses and, therefore, consolidated underwriting income (loss). General and administrative expenses, the most comparable GAAP financial measure to underwriting-related general and administrative expenses, also includes corporate expenses.

The reconciliation of underwriting-related general and administrative expenses to general and administrative expenses, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Consolidated Underwriting Income (Loss)

Consolidated underwriting income (loss) is a pre-tax measure of underwriting profitability that takes into account net premiums earned and other insurance related income (loss) as revenues and net losses and loss expenses, acquisition costs and underwriting-related general and administrative expenses as expenses. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

We evaluate our underwriting results separately from the performance of our investment portfolio. As a result, we believe it is appropriate to exclude net investment income and net investment gains (losses) from our underwriting profitability measure.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on our net insurance-related liabilities. However, we manage our investment portfolio in such a way that unrealized and realized foreign exchange losses (gains) on our investment portfolio, including unrealized foreign exchange losses (gains) on our equity securities, and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities recognized in net investment gains (losses), and unrealized foreign exchange losses (gains) on our available for sale investments recognized in other comprehensive income (loss), generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio, thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to our underwriting performance. Therefore, foreign exchange losses (gains) are excluded from consolidated underwriting income (loss).

Interest expense and financing costs primarily relate to interest payable on our debt. As these expenses are not incremental and/or directly attributable to our underwriting operations, these expenses are excluded from underwriting-related general and administrative expenses and, therefore, consolidated underwriting income (loss).

Reorganization expenses include compensation-related costs and software asset impairments mainly attributable to our exit from catastrophe and property reinsurance lines of business, part of an overall approach to reduce our exposure to volatile

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catastrophe risk, announced in June 2022. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from consolidated underwriting income (loss).

Amortization of intangible assets including value of business acquired ("VOBA") arose from business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from consolidated underwriting income (loss).

We believe that the presentation of underwriting-related general and administrative expenses and consolidated underwriting income (loss) provides investors with an enhanced understanding of our results of operations, by highlighting the underlying pre-tax profitability of our underwriting activities. The reconciliation of consolidated underwriting income (loss) to net income (loss), the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Operating Income (Loss)

Operating income (loss) represents after-tax operational results exclusive of net investment gains (losses), foreign exchange losses (gains), reorganization expenses and interest in income (loss) of equity method investments.

Although the investment of premiums to generate income and investment gains (losses) is an integral part of our operations, the determination to realize investment gains (losses) is independent of the underwriting process and is heavily influenced by the availability of market opportunities. Furthermore, many users believe that the timing of the realization of investment gains (losses) is somewhat opportunistic for many companies.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on net insurance-related liabilities. However, we manage our investment portfolio in such a way that unrealized and realized foreign exchange losses (gains) on our investment portfolio, including unrealized foreign exchange losses (gains) on our equity securities and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities recognized in net investment gains (losses) and unrealized foreign exchange losses (gains) on our available for sale investments in other comprehensive income (loss), generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio, thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to the performance of our business. Therefore, foreign exchange losses (gains) are excluded from consolidated operating income (loss)

Reorganization expenses include compensation-related costs and software asset impairments mainly attributable to our exit from catastrophe and property reinsurance lines of business, part of an overall approach to reduce our exposure to volatile catastrophe risk, announced in June 2022. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, these expenses are excluded from operating income (loss).

Interest in income (loss) of equity method investments is primarily driven by business decisions, the nature and timing of which are not related to the underwriting process. Therefore, this income (loss) is excluded from operating income (loss).

Certain users of our financial statements evaluate performance exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments in order to understand the profitability of recurring sources of income.

We believe that showing net income (loss) available (attributable) to common shareholders exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses and interest in income (loss) of equity method investments reflects the underlying fundamentals of our business. In addition, we believe that this presentation enables investors and other users of our financial information to analyze performance in a manner similar to how our management analyzes the underlying business performance. We also believe this measure follows industry practice and, therefore, facilitates comparison of our performance with our peer group. We believe that equity analysts and certain rating agencies that follow us, and the insurance industry as a whole, generally exclude these items from their analyses for the same reasons. The reconciliation of operating income (loss) to net income (loss) available (attributable) to common shareholders, the most comparable GAAP financial measure, is presented above.

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We also present operating income (loss) per diluted common share and operating ROACE, which are derived from the operating income (loss) measure and are reconciled above to the most comparable GAAP financial measures, earnings (loss) per diluted common share and return on average common equity ("ROACE"), respectively.

Constant Currency Basis

We present gross premiums written, net premiums written and net premiums earned on a constant currency basis in this MD&A. The amounts presented on a constant currency basis are calculated by applying the average foreign exchange rate from the current year to the prior year amounts. We believe this presentation enables investors and other users of our financial information to analyze growth in gross premiums written, net premiums written and net premiums earned on a constant basis. The reconciliation to gross premiums written, net premiums written and net premiums earned on a GAAP basis is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment'.

Pre-Tax Total Return on Cash and Investments excluding Foreign Exchange Movements

Pre-tax total return on cash and investments excluding foreign exchange movements measures net investment income (loss), net investments gains (losses), interest in income (loss) of equity method investments, and change in unrealized gains (losses) generated by average cash and investment balances. We believe this presentation enables investors and other users of our financial information to analyze the performance of our investment portfolio. The reconciliation of pre-tax total return on cash and investments excluding foreign exchange movements to pre-tax total return on cash and investments, the most comparable GAAP financial measure, is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Net Investment Income and Net Investment Gains (Losses)'.

CASH AND INVESTMENTS

Details of cash and investments are as follows:

December 31, 2022December 31, 2021
Fair valueFair value
Fixed maturities, available for sale$11,326,894$12,313,200
Fixed maturities, held to maturity(1)674,743445,033
Equity securities485,253655,675
Mortgage loans627,437594,088
Other investments996,751947,982
Equity method investments148,288146,293
Short-term investments70,31031,063
Total investments$14,329,676$15,133,334
Cash and cash equivalents(2)$1,174,653$1,317,690

(1)Presented at net carrying value of $698 million (2021: $446 million) in the consolidated balance sheets.

(2)Includes restricted cash and cash equivalents of $423 million and $473 million for 2022 and 2021, respectively.

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Overview

The fair value of total investments decreased by $804 million in 2022, driven by the decrease in market value of fixed maturities due to the increase in yields and the widening of credit spreads.

An analysis of our investment portfolio by asset class is detailed below:

Fixed Maturities

Details of our fixed maturities portfolio are as follows:

December 31, 2022December 31, 2021
Fair value% of totalFair value% of total
Fixed maturities:
U.S. government and agency$2,639,33022%$2,682,44821%
Non-U.S. government562,0295%795,1786%
Corporate debt4,329,32836%4,532,88436%
Agency RMBS1,202,78510%1,074,5898%
CMBS947,7788%1,248,19110%
Non-agency RMBS133,5341%186,1641%
ABS2,030,49817%2,029,94116%
Municipals(1)156,3551%208,8382%
Total$12,001,637100%$12,758,233100%
Credit ratings:
U.S. government and agency$2,639,33022%$2,682,44821%
AAA(2)4,189,66136%4,491,64334%
AA871,9667%981,8378%
A1,835,74615%1,917,00615%
BBB1,377,63811%1,595,28513%
Below BBB(3)1,087,2969%1,090,0149%
Total$12,001,637100%$12,758,233100%

(1)Includes bonds issued by states, municipalities, and political subdivisions.

(2)Includes U.S. government-sponsored agencies, residential mortgage-backed securities ("RMBS") and commercial mortgage-backed securities ("CMBS").

(3)Non-investment grade and non-rated securities.

At December 31, 2022, fixed maturities had a weighted average credit rating of AA- (2021: AA-), a book yield of 3.5% (2021: 1.9%), and an average duration of 3.0 years (2021: 3.0 years).

At December 31, 2022, fixed maturities together with short-term investments and cash and cash equivalents (i.e., total investments of $13.2 billion) had a weighted average credit rating of AA- (2021: AA-) and an average duration of 2.8 years (2021: 2.8 years).

Our methodology for assigning credit ratings to fixed maturities is in line with the methodology used for the Barclays U.S. Aggregate Bond index. This methodology uses the midpoint of Standard & Poor's (S&P), Moody's and Fitch ratings. When ratings from only two of these agencies are available, the lower rating is used. When only one agency rates a security, that rating is used. When ratings provided by S&P, Moody's and Fitch are not available, ratings from other nationally recognized agencies are used.

To calculate the weighted average credit rating for fixed maturities, we assign points to each rating with the highest points assigned to the highest rating (AAA) and the lowest points assigned to the lowest rating (D) and then calculate the weighted average based on the fair values of the individual securities. Securities that are not rated are excluded from weighted average calculations. At December 31, 2022, the fair value of fixed maturities not rated was $31 million (2021: $18 million).

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In addition to managing credit risk exposure within our fixed maturities portfolio we also monitor the aggregation of country risk exposure on a group-wide basis. Country risk exposure is the risk that events in a country, such as currency crises, regulatory changes and other political events, will adversely affect the ability of obligors in the country to honor their obligations. For corporate debt and structured securities, we measure the country of risk exposure based on a number of factors including, but not limited to, location of management, principal operations and country of revenues.

An analysis of our fixed maturities portfolio by major asset classes is detailed below:

Non-U.S. Government

Non-U.S. government securities include bonds issued by non-U.S. governments and their agencies along with supranational organizations (collectively also known as sovereign debt securities).

Details of exposures to governments in the eurozone and other non-U.S. government concentrations by fair value are as follows:

December 31, 2022December 31, 2021
CountryFair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Eurozone countries:
Supranationals(1)$16,8673%AAA$16,7992%AAA
Netherlands9,5122%AA+10,0651%AA+
Germany5,0371%AAA5,0831%AAA
Austria2,346%AA+2,317%AA+
France1,061%AA1,303%AA
Total eurozone34,8236%AA+35,5674%AA+
Other concentrations:
Canada300,67453%AA+372,33347%AAA
United Kingdom168,06830%AA-248,60131%AA-
Mexico10,1512%BBB19,8392%BBB
Other48,3139%AA118,83816%AA+
Total other concentrations527,20694%AA759,61196%AAA
Total non-U.S. government$562,029100%AA$795,178100%AA

(1)Includes supranationals only in the eurozone.

At December 31, 2022, net unrealized losses on non-U.S. government securities were $51 million (2021: net unrealized gains of $0.5 million) which included gross unrealized foreign exchange losses of $24 million (2021: $5 million), mainly related to U.K. government bonds.

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Corporate Debt

Corporate debt securities consist primarily of investment grade debt of a wide variety of corporate issuers and industries.

Details of our corporate debt securities portfolio by sector are as follows:

December 31, 2022December 31, 2021
Fair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Financial institutions:
U.S. banks$786,54118%A$821,65018%A
Corporate/commercial finance445,52410%BBB380,5588%BBB-
Non-U.S. banks346,1768%A-383,3608%A
Insurance162,1074%A155,7353%A+
Investment brokerage117,7063%A87,9232%A-
Total financial institutions1,858,05443%A-1,829,22639%A-
Consumer non-cyclicals533,54312%BBB-597,16313%BBB-
Consumer cyclical411,55910%BB435,31410%BB
Communications369,2959%BB+406,7009%BB+
Industrials407,3189%BB390,6749%BB-
Technology211,7405%BBB-288,7546%BB+
Utilities166,4814%BBB+198,3874%BBB+
Energy164,7704%BBB-173,6064%BBB
Other206,5684%A213,0606%A
Total$4,329,328100%BBB$4,532,884100%BBB
Credit quality summary:
Investment grade$3,308,13176%A-$3,501,37077%A-
Non-investment grade1,021,19724%B+1,031,51423%B
Total$4,329,328100%BBB$4,532,884100%BBB

At December 31, 2022, our non-investment grade portfolio had a fair value of $1,021 million (2021: $1,032 million), a weighted average credit rating of B+ (2021: B) and duration of 2.9 years (2021: 1.7 years). At December 31, 2022, our corporate debt portfolio, including non-investment grade securities, had a duration of 3.6 years (2021: 3.7 years).

Mortgage-Backed Securities

Details of the fair values of our RMBS and CMBS portfolios by credit rating are as follows:

December 31, 2022December 31, 2021
RMBSCMBSRMBSCMBS
Government agency$1,202,785$48,805$1,074,589$83,936
AAA121,188833,850166,5531,069,276
AA4,19260,2073,60189,813
A3,6824,9169,9365,166
BBB122621
Below BBB(1)4,3505,453
Total$1,336,319$947,778$1,260,753$1,248,191

(1)Non-investment grade securities.

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Residential MBS

Agency RMBS consist of bonds issued by the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and the Government National Mortgage Association, which are primarily AAA rated and are supported by loans which are diversified across geographical areas. At December 31, 2022, agency RMBS had an average duration of 5.7 years (2021: 4.4 years).

Non-agency RMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2022, 94% (2021: 91%) of our non-agency RMBS were rated AA or better. At December 31, 2022, non-agency RMBS had an average duration of 4.6 years (2021: 2.1 years) and weighted average life of 6.7 years (2021: 4.8 years).

Commercial MBS

CMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2022, 99% (2021: 99%) of our CMBS were rated AA or better. At December 31, 2022, the weighted average estimated subordination percentage of the portfolio was 38% (2021: 37%), which represents the current weighted average estimated percentage of the capital structure subordinated to the investment holding that is available to absorb losses before the security incurs the first dollar loss of principal. At December 31, 2022, CMBS had an average duration of 2.4 years (2021: 3.1 years) and weighted average life of 3.3 years (2021: 4.0 years).

Asset-Backed Securities

ABS mainly include investment grade bonds backed by pools of loans with a variety of underlying collateral, including auto loans, student loans, credit card receivables and collateralized loan obligations ("CLOs") originated by a variety of financial institutions.

Details of the fair value of our ABS portfolio by underlying collateral and credit rating are as follows:

Asset-backed securities
AAAAAABBBBelow BBBTotal
At December 31, 2022
CLO - debt tranches$994,961$306,934$72,319$26,257$25,650$1,426,121
Auto loans237,8844,728242,612
Student loans104,0234,401108,424
Credit card receivables38,84853439,382
Other178,44712,35116,8036,017341213,959
Total$1,554,163$328,948$89,122$32,274$25,991$2,030,498
% of total77%16%4%2%1%100%
At December 31, 2021
CLO - debt tranches$953,731$251,204$73,595$33,343$31,707$1,343,580
Auto loans245,6534,938250,591
Student loans149,8015,1662,476157,443
Credit card receivables12,97712,977
Other224,34811,89323,3115,394404265,350
Total$1,586,510$273,201$99,382$38,737$32,111$2,029,941
% of total78%13%5%2%2%100%

At December 31, 2022, the average duration our ABS portfolio was 0.5 years (2021: 0.7 years) and the weighted average life was 3.7 years (2021: 4.1 years).

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Municipals

Municipals comprise revenue bonds and general obligation bonds issued by U.S. domiciled state and municipal entities and are primarily held in the taxable portfolios of our U.S. subsidiaries.

Details of the fair value of our municipals portfolio by state and between Revenue bonds and General Obligation bonds are as follows:

General ObligationRevenueTotal% of total fair valueGross unrealized gainsGross unrealized lossesWeighted average credit rating
At December 31, 2022
New York$3,199$17,098$20,29713%$$(1,234)AA+
California2,04939,14341,19226%93(5,418)AA-
Texas7,38711,15118,53812%5(2,464)AA
Louisiana11,08211,0827%(628)AAA
Massachusetts5,6351,8367,4715%(559)AA
Other10,20047,57557,77537%41(5,902)A+
$28,470$127,885$156,355100%$139$(16,205)AA-
At December 31, 2021
New York$798$31,900$32,69816%$1,416$(2)AA+
California2,47243,94546,41722%1,118(223)A+
Texas9,32716,58725,91412%677(238)AA
Massachusetts12,5112,57715,0887%403(5)AA
Michigan14,89414,8947%460(31)AA-
Other7,61266,21573,82736%1,854(147)A+
$32,720$176,118$208,838100%$5,928$(646)AA-

General Obligation bonds are backed by the full faith and credit of the authority that issued the debt and are secured by the taxing powers of those authorities. Revenue bonds are backed by the revenue stream generated by the services provided by the issuer (e.g., sewer, water or utility projects). As issuers of revenue bonds do not have the ability to draw from tax revenues or levy taxes to fund obligations, revenue bonds may carry a greater risk of default than General Obligation bonds. At December 31, 2022, all municipals held (2021: 97%) are taxable.

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Gross Unrealized Losses

At December 31, 2022, the gross unrealized losses on our fixed maturities, available for sale portfolio were $857 million (2021: $94 million).

Investment grade fixed maturities, available for sale

The severity of the unrealized loss position as a percentage of amortized cost for all investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2022December 31, 2021
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$6,176,828$(265,175)33%$6,172,912$(83,380)96%
10-20%2,315,291(372,213)47%10,127(1,639)2%
20-30%520,482(147,575)19%3,576(1,138)1%
30-40%15,622(6,948)1%1,188(539)1%
40-50%1,002(735)%%
50%4(27)%6(25)%
Total$9,029,229$(792,673)100%$6,187,809$(86,721)100%

The increase in gross unrealized losses on investment grade fixed maturities reflected the impact of the increase in yields and the widening of credit spreads on investment grade corporate debt securities.

Non-investment grade fixed maturities, available for sale

The severity of the unrealized loss position as a percentage of amortized cost for all non-investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2022December 31, 2021
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$644,995$(28,536)44%$396,033$(6,493)85%
10-20%179,291(26,642)42%3,085(448)6%
20-30%28,414(6,649)10%209(38)1%
30-40%1,393(495)1%%
40-50%738(410)1%267(194)3%
50%652(1,183)2%427(352)5%
Total$855,483$(63,915)100%$400,021$(7,525)100%

The increase in gross unrealized losses on non-investment grade fixed maturities reflected the impact of the widening of credit spreads on non-investment grade high yield corporate debt securities.

Equity Securities

At December 31, 2022, net unrealized losses on equity securities were $9 million (2021: net unrealized gains of $127 million). The decrease was driven by the decline in market value of bond mutual funds and the decline in global equity markets.

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Mortgage Loans

During 2022, investment in commercial mortgage loans increased to $627 million from $594 million, an increase of $33 million. The commercial mortgage loans are high quality, and collateralized by a variety of commercial properties and diversified geographically throughout the U.S. and by property type to reduce the risk of concentration. At December 31, 2022 and 2021, there were no credit losses or past due amounts associated with our commercial mortgage loans portfolio.

Other Investments

Details of our other investments portfolio are as follows:

December 31, 2022December 31, 2021
Hedge funds
Long/short equity funds$%$3,476%
Multi-strategy funds32,6163%56,0126%
Total hedge funds32,6163%59,4886%
Direct lending funds258,62626%289,86731%
Private equity funds265,83627%249,97426%
Real estate funds298,49930%238,22225%
Total hedge, direct lending, private equity and real estate funds855,57786%837,55188%
CLO-Equities5,016%5,9101%
Other privately held investments136,15814%104,52111%
Total other investments$996,751100%$947,982100%

Refer to Item 8, Note 5(e) to the Consolidated Financial Statements 'Investments'.

Equity Method Investments

Our ownership interest in Harrington Reinsurance Holdings Limited ("Harrington") is reported in interest in income (loss) of equity method investments.

Interest in income (loss) of equity method investments was $2 million in 2022, compared to $32 million in 2021. The decrease was attributable to lower investment gains realized by Harrington.

Restricted Assets

Refer to Item 8, Note 5(j) to the Consolidated Financial Statements 'Investments'.

LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Liquidity is a measure of a company’s ability to generate cash flows sufficient to meet the short-term and long-term cash requirements of its business operations. We manage liquidity at the holding company and operating subsidiary level.

Holding Company

As a holding company, AXIS Capital has no operations of its own and its assets consist primarily of investments in its subsidiaries. Accordingly, AXIS Capital’s future cash flows depend on the availability of dividends or other statutorily permissible distributions, such as returns of capital, from its subsidiaries. The ability to pay such dividends and/or distributions is limited by the applicable laws and regulations of the various countries and states in which AXIS Capital’s subsidiaries operate (refer to Item 8, Note 22 to the Consolidated Financial Statements 'Statutory Financial Information' for

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further details), as well as the need to maintain capital levels to adequately support insurance and reinsurance operations, and to preserve financial strength ratings issued by independent rating agencies. During 2022, AXIS Capital received $225 million (2021: $300 million) of distributions from its subsidiaries. AXIS Capital’s primary uses of funds are dividend payments to common and preferred shareholders, interest and principal payments on debt, capital investments in subsidiaries, and payment of corporate operating expenses. We believe the dividend/distribution capacity of AXIS Capital’s subsidiaries, which was $0.9 billion at December 31, 2022, will provide AXIS Capital with sufficient liquidity for the foreseeable future.

Operating Subsidiaries

AXIS Capital’s operating subsidiaries primarily derive cash from the net inflow of premiums less claim payments related to underwriting activities and from net investment income. Historically, these cash receipts have been sufficient to fund the operating expenses of these subsidiaries, as well as to fund dividend payments to AXIS Capital. The subsidiaries’ remaining cash flows are generally invested in our investment portfolio and have also been used to fund common share repurchases in recent years.

The insurance and reinsurance business of our operating subsidiaries inherently provide liquidity, as premiums are received in advance (sometimes substantially in advance) of the time losses are paid. However, the amount of cash required to fund loss payments can fluctuate significantly from period to period, due to the low frequency/high severity nature of certain types of business we write.

Consolidated cash flows from operating, investing and financing activities in the last three years were as follows:

Total cash provided by (used in)(1)202220212020
Operating activities$692,216$1,114,822$343,503
Investing activities(655,798)(1,114,195)489,921
Financing activities(149,622)(186,095)(908,803)
Effect of exchange rate changes on cash(29,833)(74)2,154
Decrease in cash and cash equivalents$(143,037)$(185,542)$(73,225)

(1)    Refer to Item 8, 'Consolidated Statements of Cash Flows' for further details.

•Net cash provided by operating activities was $692 million in 2022 compared to $1,115 million in 2021. Cash inflows from insurance and reinsurance operations typically include premiums, net of acquisition costs, and reinsurance recoverables. Cash outflows principally include payments of losses and loss expenses, payments of premiums to reinsurers and operating expenses. Cash provided by operating activities can fluctuate due to timing differences between the collection of premiums and reinsurance recoverables and the payment of losses and loss expenses, and the payment of premiums to reinsurers. Operating cash inflows decreased in 2022 compared to 2021, primarily attributable to an increase in payments of premiums to reinsurers, and an increase in payments of losses and loss expenses, partially offset by an increase in premiums received, an increase in reinsurance recoverables received, and an increase in interest and dividends received from our fixed maturity securities portfolio.

•Investing cash outflows in 2022 principally related to the net purchases of fixed maturities of $599 million, short-term investments of $40 million, and mortgage loans of $33 million, and purchases of other assets of $37 million, partially offset by the net proceeds from the sale of equity securities of $44 million, and other investments of $9 million. Investing cash outflows in 2021 principally related to the net purchases of fixed maturities of $1,154 million and equity securities of $112 million, partially offset by the net proceeds from the sale and redemption of short-term investments of $130 million, and the net proceeds from the sale of other investments of $61 million.

•Financing cash outflows in 2022 were principally due to dividends paid to common and preferred shareholders of $180 million, and the repurchase of common shares of $49 million, partially offset by the receipt of the Federal Home Loan Bank advances of $79 million. Financing cash outflows in 2021 were principally due to dividends paid to common and preferred shareholders of $176 million. The declaration and payment of future dividends and share repurchases is at the discretion of our Board of Directors and will depend on many factors including, but not limited to, our net income, financial condition, business needs, capital and surplus requirements of our operating subsidiaries and regulatory and contractual restrictions, including those set forth in our credit facilities (refer to 'Capital Resources – Share Repurchases' below for further details).

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We have generated positive operating cash flows in all years since 2003, with the exception of 2009 which was impacted by the global financial crisis. These positive cash flows were generated even with the recognition of significant catastrophe and weather-related losses including the impact of the COVID-19 pandemic in 2020 and 2021.

Net losses and loss expenses, gross of reinstatement premiums, included estimates of ultimate losses for catastrophe and weather-related losses of $404 million in 2022, $450 million in 2021 and $773 million in 2020. There remains significant uncertainty associated with estimates of ultimate losses for certain of these events (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details), as well as the timing of the associated cash outflows.

Should claim payment obligations accelerate beyond our ability to fund payments from operating cash flows, we would utilize cash and cash equivalent balances and/or liquidate a portion of our investment portfolio.

Our investment portfolio is heavily weighted towards conservative, high quality and highly liquid securities. We expect that, if necessary, approximately $12.3 billion of cash and invested assets at December 31, 2022 could be available in one to three business days under normal market conditions. Of this amount, $5.2 billion related to restricted assets, which primarily support our obligations in regulatory jurisdictions where we operate as a non-admitted carrier (refer to Item 8, Note 5(j) to the Consolidated Financial Statements 'Investments' for further details).

For context, at January 1, 2023, our largest 1-in-250 year return period, single occurrence, single-zone modeled probable maximum loss (Japan Earthquake) was approximately $195 million, net of reinsurance. Claim payments pertaining to such an event would be paid out over a period spanning many months. Our internal risk tolerance framework aims to limit the loss of capital due to a single event and the loss of capital that would occur from multiple but perhaps smaller events, in any year (refer to Item 1 'Risk and Capital Management' for further details).

We expect that cash flows generated from operations, combined with the liquidity provided by our investment portfolio, to be sufficient to cover required cash outflows and other contractual commitments through the foreseeable future (refer to 'Contractual Obligations and Commitments' below for further details).

Capital Resources

In addition to common equity, we have utilized other external sources of financing, including debt, preferred shares, and letter of credit facilities to support our business operations. We believe that we hold sufficient capital to allow us to take advantage of market opportunities and to maintain our financial strength ratings, as well as to comply with various local statutory regulations. We monitor capital adequacy on a regular basis and will seek to adjust our capital base according to the needs of our business (refer to Item 1 'Risk and Capital Management' for further details).

The following table summarizes consolidated capital:

At December 31,20222021
Debt$1,312,314$1,310,975
Preferred shares550,000550,000
Common equity4,089,9104,860,656
Shareholders’ equity4,639,9105,410,656
Total capital$5,952,224$6,721,631
Ratio of debt to total capital22.0%19.5%

We finance our operations with a combination of debt and equity capital. The debt to total capital ratio provides an indication of our capital structure, along with some insight into our financial strength.

While the impact of unrealized investment losses recognized in other comprehensive income (loss), following a decrease in market value of our fixed maturities, has reduced common shareholders' equity, we believe that our financial flexibility remains strong, and adjustments are made if there are developments that are different from previous expectations.

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Debt

Debt represents the 5.150% Senior Notes issued in 2014, which will mature in 2045, the 4.000% Senior Notes issued in 2017, which will mature in 2027, the 3.900% Senior Notes issued in 2019, which will mature in 2029, and the 4.900% Junior Subordinated Notes issued in 2019, which will mature in 2040 (refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

The 3.900% Senior Notes and the 4.900% Junior Subordinated Notes were issued to finance the repayment of $500 million aggregate principal amount of 5.875% Senior Notes that matured in June 2020 and to finance the redemption of Series D preferred shares on January 17, 2020 (refer to 'Preferred Shares' below for further details).

Federal Home Loan Bank Advances

The Company's subsidiaries, AXIS Insurance Company and AXIS Surplus Insurance Company are members of the Federal Home Loan Bank of Chicago ("FHLB").

Members may borrow from the FHLB at competitive rates subject to certain conditions. At December 31, 2022, the companies had admitted assets of approximately $3 billion which provides borrowing capacity of up to approximately $750 million. Conditions of membership include maintaining sufficient collateral deposits for funding, a requirement to maintain member stock at 0.4% of mortgage-related assets at December 31st of the prior year, and a requirement to purchase additional member stock of 2.0% or 4.5% of any amount borrowed (refer to Item 8, Note 11 to the Consolidated Financial Statements 'Federal Home Loan Bank Advances' for further details).

Preferred Shares

Series D Preferred Shares

On May 20, 2013, we issued $225 million of 5.50% Series D preferred shares with a liquidation preference of $25.00 per share. On January 17, 2020, we redeemed all outstanding Series D preferred shares, for an aggregate liquidation preference of $225 million (refer to Item 8, Note 15 to the Consolidated Financial Statements 'Shareholders' Equity' for further details).

Series E Preferred Shares

On November 7, 2016, we issued $550 million of 5.50% Series E preferred shares with a liquidation preference of $2,500 per share (equivalent to $25 per depositary share). Dividends on the Series E preferred shares are non-cumulative. To the extent declared, dividends accumulate, with respect to each dividend period, in an amount per share equal to 5.50% of the liquidation preference per annum (equivalent to $137.50 per Series E preferred share and $1.375 per depositary share). We may redeem these shares on or after November 7, 2021 at a redemption price of $2,500 per Series E preferred share (equivalent to $25 per depositary share) (refer to Item 8, Note 15 to the Consolidated Financial Statements 'Shareholders' Equity' for further details).

Secured Letter of Credit Facilities

We routinely enter into agreements with financial institutions to obtain secured letter of credit facilities. These facilities are primarily used for the issuance of letters of credit, in the normal course of operations, to certain insurance and reinsurance entities that purchase reinsurance protection from us. These letters of credit allow those operations to take credit, under local insurance regulations, for reinsurance obtained in jurisdictions where AXIS Capital’s subsidiaries are not licensed or otherwise admitted as an insurer. The value of our letters of credit outstanding is driven by, among other factors, the amount of unearned premiums, development of loss reserves, the payment patterns of loss reserves, the expansion of our business and the loss experience of that business. A portion of these facilities may also be used for liquidity purposes.

On November 20, 2013, certain of AXIS Capital’s operating subsidiaries (the "Participating Subsidiaries") entered into an amendment to extend the term of its secured $750 million letter of credit facility with Citibank Europe plc ("Citibank") (the "$750 million Facility").

On March 31, 2015, the Participating Subsidiaries entered into an amendment to reduce the maximum aggregate utilization capacity of the $750 million Facility to $500 million (the "$500 million Facility"). All other material terms and conditions remained unchanged.

On March 27, 2017, the Participating Subsidiaries amended their existing $500 million Facility to include an additional $250 million of secured letter of credit capacity (the "$250 million Facility"). Under the terms of the amended $750 million

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Facility, letters of credit to a maximum aggregate amount of $250 million are available for issuance on behalf of the Participating Subsidiaries once the $500 million Facility has been fully utilized.

On December 24, 2019, the expiration date of the $500 million Facility was extended to December 31, 2023.

On March 28, 2020, the expiration date of the $250 million Facility was extended to March 31, 2021.

On March 31, 2021, the Participating Subsidiaries amended their existing secured $750 million Facility to extend the expiration date of the $250 million Facility to March 31, 2022, to reduce the utilization capacity available under the $250 million Facility to $150 million, reducing the maximum aggregate utilization capacity of the credit facility from $750 million to $650 million, and to make administrative changes to the remaining $500 million Facility.

On March 31, 2022, the Participating Subsidiaries amended their existing $650 million secured letter of credit facility to extend the expiration date of the $150 million secured letter of credit facility to March 31, 2023, with each letter of credit provided pursuant to such credit facility having a tenor not to extend beyond March 31, 2024. The terms and conditions of the $500 million secured letter of credit facility remain unchanged.

At December 31, 2022, letters of credit outstanding were $362 million (refer to Item 8, Note 10 to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

Common Equity

During the year ended December 31, 2022, common equity decreased by $771 million. The following table reconciles opening and closing common equity positions:

Year ended December 31,20222021
Common equity - opening$4,860,656$4,745,694
Share-based compensation expense51,24940,780
Change in unrealized gains (losses) on available for sale investments, net of tax(805,850)(358,480)
Foreign currency translation adjustment(10,986)621
Net income (loss)223,083618,609
Preferred share dividends(30,250)(30,250)
Common share dividends(150,556)(147,221)
Treasury shares repurchased(48,981)(10,242)
Treasury shares reissued1,5451,145
Common equity - closing$4,089,910$4,860,656

Share Repurchases

During 2022, we repurchased 897,000 common shares for a total of $49 million, including $35 million repurchased pursuant to our Board-authorized share repurchase program and $14 million from employees to facilitate the satisfaction of their personal withholding tax liabilities that arise on vesting of share-settled restricted stock units granted under our 2017 Long-Term Equity Compensation Plans.

As part of our capital management strategy, our Board of Directors authorizes common share repurchase programs. On December 8, 2022, our Board of Directors authorized a new share repurchase program for up to $100 million of our common shares through December 31, 2023. The new share repurchase authorization, effective January 1, 2023, replaced the previous program which had $65 million available until December 31, 2022 (refer to Item 5 'Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities'). Share repurchases may be effected from time to time in the open market or privately negotiated transactions, depending on market conditions.

Shelf Registrations

On November 9, 2022, we filed an unallocated universal shelf registration statement with the SEC, which became effective on filing. Pursuant to the shelf registration, we may issue an unlimited amount of equity, debt, warrants, purchase contracts or a combination of these securities. Our intent and ability to issue securities pursuant to this registration statement will depend on market conditions at the time of any proposed offering.

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Financial Strength Ratings

Our principal insurance and reinsurance operating subsidiaries are assigned financial strength ratings from internationally recognized rating agencies, including Standard & Poor’s, A.M. Best, and Moody’s Investors Service. These ratings are publicly announced and are available directly from the agencies, and on our website.

Financial strength ratings represent the opinions of the rating agencies on the overall financial strength of a company and its capacity to meet the obligations of its insurance and reinsurance contracts. Independent ratings are one of the important factors that establish a competitive position in insurance and reinsurance markets. The rating agencies consider many factors in determining the financial strength rating of an insurance company, including the relative level of statutory surplus necessary to support the business operations of the company. These ratings are based on factors considered by the rating agencies to be relevant to policyholders, agents and intermediaries and are not directed toward the protection of investors. Ratings are not recommendations to buy, sell or hold securities.

The following are the most recent financial strength ratings from internationally recognized agencies in relation to our principal insurance and insurance operating subsidiaries:

Rating agencyAgency’s description of ratingRating and outlookAgency’s rating definitionRanking of rating
Standard & Poor’sAn "opinion about the financial security characteristics of an insurance organization, with respect to its ability to pay under its insurance policies and contracts, in accordance with their terms".A+(Stable) (1)"Strong capacity to meet its financial commitments"The 'A' category is the third highest out of ten major rating categories. The second through eighth major rating categories may be modified by the addition of a plus or minus sign to show relative standing within the major rating categories.
A.M. BestAn "opinion of an insurer’s financial strength and ability to meet its ongoing insurance policy and contract obligations".A(Stable) (2)"Excellent ability to meet ongoing insurance obligations"The 'A' category is the third highest rating out of fourteen. Ratings outlooks ('Positive', 'Negative' and 'Stable') are assigned to indicate a rating’s potential direction over an intermediate term, generally defined as 36 months.
Moody’s Investors Service"Opinions of the ability of insurance companies to pay punctually senior policyholder claims and obligations."A2(Stable) (3)"Offers good financial security"The 'A' category is the third highest out of nine rating categories. Each of the second through seventh categories are subdivided into three subcategories, as indicated by an appended numerical modifier of '1', '2' and '3'. The '1' modifier indicates that the obligation ranks in the higher end of the rating category, the '2' modifier indicates a mid-category ranking and the '3' modifier indicates a ranking in the lower end of the rating category.

(1)    On July 20, 2022, Standard and Poor's revised its outlook from negative to stable due to improved underwriting performance and reduced prospective earnings volatility as a result of our exit from property and catastrophe reinsurance lines of business.

(2)    On May 5, 2020, A.M. Best revised its rating and outlook from A+ and negative to A and stable, respectively. The revised rating was based on unfavorable trends in operating performance over the past five years, particularly emanating from the insurance segment. The revised outlook continues to reflect our strong balance sheet, favorable business profile and appropriate risk management practices.

(3)    On May 31, 2022, Moody's Investors Service revised its outlook from negative to stable due to improved core underwriting profitability and reduced catastrophe risk exposure.

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Contractual Obligations and Commitments

At December 31, 2022, contractual obligations and commitments by period due were:

Payment due by period
Contractual obligations and commitmentsTotalLess than 1 year1-3 years3-5 yearsMore than 5 years
Operating activities
Estimated gross losses and loss expenses payments(1)$15,168,863$3,943,790$4,972,993$2,677,508$3,574,572
Operating lease obligations(2)102,57715,93020,68415,47750,486
Investing activities
Unfunded investment commitments(3)551,835188,295210,50450,803102,233
Financing activities
Debt (principal payments)(4)1,325,000350,000975,000
Debt (interest payments)(4)(5)591,31160,800121,796121,115287,600
Total$17,739,586$4,208,815$5,325,977$3,214,903$4,989,891

(1)We are obligated to pay claims for specified loss events covered by the insurance and reinsurance contracts that we write. Loss payments represent our most significant future payment obligation. In contrast to our other contractual obligations, cash payments are not determinable from the terms specified within the underlying contracts. Our best estimate of reserve for losses and loss expenses is reflected in the table above. Actual amounts and timing may differ materially from our best estimate (refer to ‘Critical Accounting Estimates – Reserve for Losses and Loss Expenses’ for further details). We have not taken into account corresponding reinsurance recoverable on unpaid amounts that would be due to us.

(2)In the ordinary course of business, we renew and enter into new leases for office space which expire at various dates (refer to Item 8, Note 13 to the Consolidated Financial Statements 'Leases' for further details).

(3)We have $508 million of unfunded investment commitments related to our other investments portfolio, which are callable by our investment managers (refer to Item 8, Note 5(e) to the Consolidated Financial Statements 'Investments' for further details). In addition, we have $25 million of unfunded commitments related to our commercial mortgage loans portfolio and $20 million of unfunded commitments related to our corporate debt portfolio.

(4)Refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details.

(5)Debt (interest payments) includes $13 million of unamortized discount and debt issuance expenses.

CRITICAL ACCOUNTING ESTIMATES

The consolidated financial statements include certain amounts that are inherently uncertain and judgmental in nature. As a result, we are required to make assumptions and best estimates in order to determine the reported values. We consider an accounting estimate to be critical if: (1) it requires that significant assumptions be made in order to deal with uncertainties and (2) changes in the estimate could have a material impact on our results of operations, financial condition or liquidity.

We believe that the material items requiring such subjective and complex estimates are:

•reserves for losses and loss expenses;

•reinsurance recoverable on unpaid losses and loss expenses, including the allowance for expected credit losses;

•gross premiums written and net premiums earned;

•fair value measurements of financial assets and liabilities; and

•the allowance for credit losses associated with fixed maturities, available for sale.

Significant accounting policies are also important to understanding the consolidated financial statements (refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details).

We believe that the amounts included in the consolidated financial statements reflect management's best judgment. However, factors such as those described in Item 1A 'Risk Factors' could cause actual events or results to differ materially from the underlying assumptions and estimates which could lead to a material adverse impact on our results of operations, financial condition or liquidity.

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Reserve for Losses and Loss Expenses

Overview

We believe the most significant accounting judgment we make is the estimate of reserve for losses and loss expenses ("loss reserves"). Loss reserves represent management’s estimate of the unpaid portion of our ultimate liability for losses and loss expenses ("ultimate losses") for insured and reinsured events that have occurred at or before the balance sheet date. Loss reserves reflect claims that have been reported ("case reserves") to us and claims that have been incurred but not reported ("IBNR") to us. Loss reserves represent our best estimate of what the ultimate settlement and administration of claims will cost, based on our assessment of facts and circumstances known at that particular point in time.

Loss reserves are not an exact calculation of the liability but instead are complex estimates. The process of estimating loss reserves involves a number of variables (refer to 'Selection of Reported Reserves – Management's Best Estimate' below for further details). We review estimates of loss reserves each reporting period and consider all significant facts and circumstances known at that particular point in time. As additional experience and other data become available and/or laws and legal interpretations change, we may adjust previous estimates of loss reserves. Adjustments are recognized in the period in which they are determined. Therefore, they can impact that period's underwriting results either favorably, indicating that current estimates are lower than previous estimates, or adversely, indicating that current estimates are higher than previous estimates.

Case Reserves

With respect to insurance business, we are generally notified of losses by our insureds and/or their brokers. Based on this information, our claims personnel estimate ultimate losses arising from the claim, including the cost of administering the claims settlement process. These estimates reflect the judgment of our claims personnel based on general reserving practices, the experience and knowledge of such personnel regarding the nature of the specific claim and, where appropriate, the advice of legal counsel, loss adjusters and other relevant consultants.

With respect to reinsurance business, we are generally notified of losses by ceding companies and/or their brokers. For excess of loss contracts, we are typically notified of insured losses on specific contracts and record a case reserve for the estimated ultimate liability arising from the claim. For contracts written on a proportional basis, we typically receive aggregated claims information and record a case reserve for the estimated ultimate liability arising from the claim based on that information. Proportional reinsurance contracts typically require that losses in excess of pre-defined amounts be separately notified so we can adequately evaluate them. Our claims department evaluates each specific loss notification we receive and records additional case reserves when a ceding company’s reserve for a claim is not considered adequate. We also undertake an extensive program of cedant audits, using outsourced legal and industry experience where necessary. This allows us to review cedants’ claims administration practices to ensure that reserves are consistent with exposures, adequately established, and properly reported in a timely manner.

IBNR

The estimation of IBNR is necessary due to potential development on reported claims and the time lag between when a loss event occurs and when it is actually reported, which is referred to as a reporting lag. Reporting lags may arise from a number of factors, including but not limited to, the nature of the loss, the use of intermediaries and complexities in the claims adjusting process. As we do not have specific information on IBNR, it must be estimated. IBNR is calculated by deducting incurred losses (i.e., paid losses and case reserves) from management’s best estimate of ultimate losses. In contrast to case reserves, which are established at the contract level, IBNR reserves are generally estimated at an aggregate level and cannot be identified as reserves for a particular loss event or contract (refer to 'Reserving for Catastrophic Events' below for further details).

Reserving Methodology

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Sources of Information' for a description of the collection and analysis of data used in our quarterly loss reserving process.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Actuarial Analysis' for a description of the reserve estimation methods, Expected Loss Ratio Method ("ELR Method"), Loss Development Method (also referred to as the "Chain Ladder Method" or "Link Ratio Method") and Bornhuetter-Ferguson Method ("BF Method") which are commonly employed by our actuaries together with a discussion of their strengths and weaknesses.

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Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Key Actuarial Assumptions', which notes that the most significant assumptions used in our quarterly loss reserving process are expected loss ratios ("ELRs) and loss development patterns and that the weight given to our experience differs for each of the three claim tail classes (refer to 'Claim Tail Analysis' below for further details).

Claim Tail Analysis

Gross loss reserves for each of the reportable segments, segregated between case reserves and IBNR, by line of business are shown below:

20222021
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property$565,954$487,681$1,053,635$596,704$487,478$1,084,181
Accident and health22,77060,79583,56515,90642,89158,797
Marine and aviation490,895419,712910,606386,303403,700790,003
Cyber158,449559,561718,010203,327486,591689,918
Professional lines681,0532,325,6953,006,748800,3332,090,4302,890,763
Credit and political risk(1)(38,293)181,538143,246(105,469)146,17540,708
Liability466,5271,999,2562,465,783408,4441,840,7162,249,159
Total Insurance2,347,3556,034,2388,381,5932,305,5485,497,9817,803,529
Reinsurance segment:
Accident and health64,949207,953272,90270,078202,518272,596
Agriculture40,59895,645136,24337,57770,430108,007
Marine and aviation99,019115,582214,601112,68085,256197,936
Professional lines550,786761,5751,312,361559,204670,3051,229,509
Credit and surety133,710169,759303,469134,615170,024304,640
Motor753,053367,5041,120,556737,097486,9781,224,075
Liability696,2201,353,8462,050,067611,5971,245,1031,856,700
Run-off lines
Catastrophe498,604328,723827,327510,865423,401934,266
Property273,607124,253397,860334,390202,541536,930
Engineering97,96453,920151,884126,32058,586184,906
Total run-off lines870,175506,8961,377,071971,575684,5281,656,102
Total Reinsurance3,208,5103,578,7606,787,2703,234,4233,615,1426,849,565
Total$5,555,865$9,612,998$15,168,863$5,539,971$9,113,123$14,653,094

(1)    During 2022 and 2021, significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(55) million (2021: $(128) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(15) million (2021: $(56) million). Refer to Reserving for Credit and Political Risk Business below for further details.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for the mapping of our lines of business to expected claim tails.

In order to capture the key dynamics of loss reserve development and potential volatility, lines of business should be considered according to their potential expected length of loss emergence and settlement, generally referred to as the "tail". We consider our business to consist of three claim tail classes, short-tail, medium-tail and long-tail. Favorable development on prior accident year reserves indicates that current estimates are lower than previous estimates, while adverse development on prior accident year reserves indicates that current estimates are higher than previous estimates. Below is a discussion of the specifics of our loss reserve process as it applies to each claim tail class.

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Short-tail Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Claim Tail Analysis' for details of the lines of business included in short-tail business and the associated key actuarial assumptions.

Although estimates of ultimate losses for short-tail business are inherently more certain than for medium and long-tail business, significant judgment is still required. For example, much of our excess insurance and excess of loss reinsurance business has high attachment points. Therefore, it is often difficult to estimate whether claims will exceed those attachment points. In addition, the inherent uncertainties relating to catastrophe events further add to the complexity of estimating potential exposure. Further, we use managing general agents ("MGAs") and other producers for certain business in the insurance segment, which can delay the reporting of loss information. We expect the majority of development for an accident year or underwriting year to be recognized in the subsequent one to three years.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a detailed discussion of prior year reserve development by line of business and see further details below.

Medium-tail Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Claim Tail Analysis' for details of the lines of business included in medium-tail business and the associated key actuarial assumptions.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a detailed discussion of prior year reserve development by line of business.

Refer to 'Reserving for Credit and Political Risk Business' below for a detailed discussion of specific loss reserve issues related to the credit and political risk line of business.

Long-tail Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Claim Tail Analysis' for details of the lines of business included in long-tail business and the associated key actuarial assumptions.

Factors that contribute additional uncertainty to estimates for long-tail business include, but are not limited to:

•potential volatility of actuarial estimates, given the number of years of development it takes to produce a significant incurred loss as a percentage of ultimate losses;

•inherent uncertainties about loss trends, claims inflation (e.g., medical, judicial, social) and general economic conditions; and

•the possibility of future litigation, legislative or judicial change that may impact future loss experience relative to prior industry loss experience relied on in reserve estimation.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a detailed discussion of prior year reserve development by line of business and see further details below.

Reserving for Credit and Political Risk Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – 'Net incurred and Paid Claims Development Tables by Accident Year – Insurance segment – Insurance Credit and Political Risk' for details of this line of business and the associated key actuarial assumptions.

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An important and distinguishing feature of many of these contracts is the contractual right, subsequent to payment of a claim to an insured, to be subrogated to, or otherwise have an interest in, the insured’s rights of recovery under an insured loan or facility agreement. These estimated recoveries are recorded as an offset to credit and political risk gross loss reserves. The lag between the date of a claim payment and the ultimate recovery from the corresponding security can result in negative case reserves at a point in time. During 2022 and 2021, significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(55) million (2021: $(128) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(15) million (2021: $(56) million). Refer to 'Critical Accounting Estimates – Reinsurance Recoverable on Unpaid Losses and Loss Expenses' for further details.

The nature of the underlying collateral is specific to each transaction. Therefore, we estimate the value of this collateral on a contract-by-contract basis. This valuation process is inherently subjective and involves the application of management’s judgment because active markets for the collateral often do not exist. Estimates of values are based on numerous inputs, including information provided by our insureds, as well as third-party sources including rating agencies, asset valuation specialists and other publicly available information. We also assess any post-event circumstances, including restructurings, liquidations and possession of asset proposals/agreements.

In some instances, on becoming aware of a loss event related to credit and political risk business, we negotiate a final settlement of all of our policy liabilities for a fixed amount. In most circumstances, this occurs when the insured moves to realize the benefit of the collateral that underlies the insured loan or facility and presents us with a net settlement proposal that represents a full and final payment by us under the terms of the policy. In consideration for this payment, we secure a cancellation of the policy, or a release of all claims, and waive our right to pursue a recovery of these settlement payments against the collateral that may have been available to us under the insured loan or facility agreement. In certain circumstances, cancellation by way of net settlement or full payment can result in an adjustment to the premium associated with the policy.

Additionally, when we consider prior year reserve development for the credit and political risk line of business, it is important to note that the multi-year nature of this business distorts loss ratios when a single accident year is considered in isolation. Premiums for these contracts generally earn evenly over the contract term, therefore, are reflected in multiple accident years. In contrast, losses incurred on these contracts, which can be characterized as low in frequency and high in severity, are reflected in a single accident year.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for further details.

Reserving for Catastrophic Events

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Catastrophic Events' for further details.

In addition to those noted in Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Catastrophic Events' there are additional risks that affect our ability to accurately estimate ultimate losses for catastrophic events. For example, the estimates of loss reserves related to hurricanes and earthquakes can be affected by factors including, but not limited to, the inability to access portions of impacted areas, infrastructure disruptions, the complexity of factors contributing to losses, legal and regulatory uncertainties, complexities involved in estimating business interruption losses and additional living expenses, the impact of demand surge, fraud and the limited nature of information available. For hurricanes, additional complex coverage factors may include determining whether damage was caused by flooding or wind, evaluating general liability and pollution exposures, and mold damage. The timing of a catastrophe, for example, near the end of a reporting period, can also affect the level of information available to us to estimate loss reserves for that reporting period.

Results of operations for 2022 were impacted by natural and man-made catastrophe activity (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss Ratio' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details).

Selection of Reported Reserves – Management’s Best Estimate

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Selection of Reported Reserves – Management’s Best Estimate' for further details.

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Independent Actuarial Review

On an annual basis, we use an independent actuarial firm to provide an actuarial opinion on the reasonableness of loss reserves for each of our operating subsidiaries and statutory reporting entities as these actuarial opinions are required to meet various insurance regulatory requirements. The actuarial firm also discusses its conclusions from the annual review with management and presents its findings to the Audit Committee of the Board of Directors.

Sensitivity Analysis

While we believe that loss reserves at December 31, 2022 are adequate, new information, events or circumstances may result in ultimate losses that are materially greater or less than provided for in our loss reserves. As previously noted, there are many factors that may cause reserves to increase or decrease, particularly those related to catastrophe losses and long-tail lines of business.

Expected loss ratios are a key assumption in estimates of ultimate losses for business at an early stage of development. A higher expected loss ratio results in a higher ultimate loss estimate, and vice versa.

Assumed loss development patterns are another significant assumption in estimating loss reserves. Accelerating a loss reporting pattern (i.e., shortening the claim tail) results in lower ultimate losses, as the estimated proportion of losses already incurred would be higher.

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The effect on estimates of gross loss reserves of reasonably likely changes in the two key assumptions used to estimate gross loss reserves at December 31, 2022 was as follows:

INSURANCE
Development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Professional lines10% lowerUnchanged10% higher
6 months shorter$(238,760)$(52,645)$135,299
Unchanged(182,792)192,068
6 months longer(106,514)80,650273,585
Property5% lowerUnchanged5% higher
3 months shorter$(84,008)$(50,836)$(45,192)
Unchanged(6,777)7,536
3 months longer81,36290,306100,449
Liability10% lowerUnchanged10% higher
6 months shorter$(215,696)$(54,796)$106,950
Unchanged(156,873)162,311
6 months longer(82,737)73,033233,329
Cyber10% lowerUnchanged10% higher
6 months shorter$(55,759)$(19,580)$16,598
Unchanged(37,799)40,784
6 months longer25,71050,28890,806
Marine and aviation5% lowerUnchanged5% higher
3 months shorter$(39,610)$(22,408)$(5,018)
Unchanged(18,183)18,180
3 months longer27,45446,04064,626
Accident and health5% lowerUnchanged5% higher
3 months shorter$(11,854)$(8,792)$(5,730)
Unchanged(2,831)2,831
3 months longer10,30313,31116,319
Credit and political risk10% lowerUnchanged10% higher
6 months shorter$(22,538)$$22,538
Unchanged(22,538)22,538
6 months longer(22,538)22,538

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REINSURANCE
Development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Liability10% lowerUnchanged10% higher
6 months shorter$(218,785)$(63,722)$98,869
Unchanged(151,428)161,708
6 months longer(67,782)87,120246,522
Accident and health5% lowerUnchanged5% higher
3 months shorter$(9,109)$(6,490)$(3,870)
Unchanged(2,349)2,349
3 months longer6,2828,73211,182
Professional lines10% lowerUnchanged10% higher
6 months shorter$(124,894)$(48,882)$27,970
Unchanged(78,217)79,941
6 months longer(18,849)60,811144,679
Credit and surety10% lowerUnchanged10% higher
6 months shorter$(25,617)$(9,531)$6,889
Unchanged(16,549)16,423
6 months longer(3,930)13,32830,095
Motor10% lowerUnchanged10% higher
6 months shorter$(64,670)$(17,823)$33,737
Unchanged(34,827)46,351
6 months longer16,72855,86497,964
Agriculture5% lowerUnchanged5% higher
3 months shorter$(9,904)$$9,904
Unchanged(9,904)9,904
3 months longer(9,904)9,904
Marine and aviation5% lowerUnchanged5% higher
3 months shorter$(9,395)$(7,155)$(4,915)
Unchanged(2,526)2,526
3 months longer4,8917,68510,493
Catastrophe5% lowerUnchanged5% higher
3 months shorter$(1,872)$(1,235)$(599)
Unchanged(278)298
3 months longer1,5811,9572,333
Property5% lowerUnchanged5% higher
3 months shorter$(11,695)$(10,082)$(8,468)
Unchanged(2,017)1,990
3 months longer11,06613,53416,025
Engineering5% lowerUnchanged5% higher
3 months shorter$(5,636)$(3,098)$(559)
Unchanged(2,693)2,693
3 months longer5753,4416,306

The results show the cumulative increase (decrease) in loss reserves across all accident years.

For example, if assumed loss development pattern for insurance property business was three months shorter with no accompanying change in ELR assumption, loss reserves may decrease by approximately $51 million. Each of the impacts set forth in the tables is estimated individually, without consideration for any correlation among key assumptions or among reserve classes. Therefore, it would be inappropriate to take each of the amounts and add them together in an attempt to

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estimate total volatility. Additionally, it is noted that in some instances, for example the projection of catastrophe estimates or credit and political risks estimates, development patterns are not appropriate as more bespoke techniques are used. While we believe the variations in the expected loss ratios and loss development patterns presented could be reasonably expected, our historical loss data regarding variability is generally limited and actual variations may be greater or less than these amounts.

It is also important to note that the variations are not meant to be a "best-case" or "worst-case" series of scenarios and, therefore, it is possible that future variations in loss reserves may be more or less than the amounts presented. While we believe that these are reasonably likely scenarios, we do not believe this sensitivity analysis should be considered an actual reserve range.

Reinsurance Recoverable on Unpaid Losses and Loss Expenses

In the normal course of business, we purchase facultative and treaty reinsurance protection to limit ultimate losses from catastrophic events and to reduce loss aggregation risk. To the extent that reinsurers do not meet their obligations under the reinsurance agreements, we remain liable. Consequently, we are exposed to credit risk associated with reinsurance recoverable on unpaid losses and loss expenses ("reinsurance recoverables") to the extent that any of our reinsurers are unable or unwilling to pay claims.

Reinsurance recoverables for each of the reportable segments, segregated between case reserves and IBNR, by line of business are shown below:

20222021
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property$221,616$177,210$398,826$200,190$211,657$411,847
Accident and health8205,6986,5181,0884,8795,967
Marine and aviation195,84583,131278,976149,58691,065240,651
Cyber92,219301,217393,436134,235250,102384,338
Professional lines403,0781,071,4611,474,539302,668807,4831,110,150
Credit and political risk (1)(18,990)53,38234,391(53,763)30,382(23,381)
Liability258,0721,288,4471,546,520188,7051,132,7641,321,469
Total Insurance1,152,6602,980,5464,133,206922,7092,528,3323,451,041
Reinsurance segment:
Accident and health7,30331,34438,6477,67524,55832,232
Agriculture8,6001,41810,0189,9521,97711,929
Marine and aviation27,20930,48457,69234,75326,15560,908
Professional lines81,413222,436303,84967,453183,888251,341
Credit and surety27,09752,21279,30922,02244,94366,965
Motor131,630126,853258,483104,500124,695229,195
Liability136,016391,496527,513104,914329,954434,868
Run-off lines
Catastrophe245,250163,925409,175243,049216,269459,317
Property12,9427213,01419,670(212)19,458
Engineering131135266137218357
Total run-off lines258,323164,132422,455262,856216,275479,132
Total Reinsurance677,5911,020,3751,697,966614,125952,4451,566,570
Total$1,830,251$4,000,921$5,831,172$1,536,834$3,480,777$5,017,611

(1)    During 2022 and 2021, significant gross claims associated with certain credit and political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(55) million (2021: $(128) million) and related negative reinsurance recoverables related to case reserves of $(15) million (2021: $(56) million). Refer to Critical Accounting Estimates – Reserve for Losses and Loss Expenses – Reserving for Credit and Political Risk Business for further details.

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Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for the mapping of our lines of business to expected claim tails.

At December 31, 2022, reinsurance recoverables as a percentage of loss reserves was 38% (2021: 34%). At December 31, 2022, reinsurance recoverables that were collectible from reinsurers rated A- or better by A.M Best were 81.8% (2021: 85.7%). Refer to Item 8, Note 12 to the Consolidated Financial Statements 'Commitments and Contingencies' for an analysis of the credit risk associated with reinsurance recoverables at December 31, 2022.

The recognition of reinsurance recoverables requires two key estimates as follows:

•The first estimate is the amount of loss reserves to be ceded to our reinsurers. This amount consists of amounts related to case reserves and amounts related to IBNR. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

•The second estimate is the amount of the reinsurance recoverable balance that we believe ultimately will not be collected from reinsurers. We are selective in choosing reinsurers, buying reinsurance principally from reinsurers with a strong financial condition and industry ratings. The amount we ultimately collect may differ from our estimate due to the ability and willingness of reinsurers to pay claims, which may be negatively impacted by factors such as insolvency, contractual disputes over contract language or coverage and/or other reasons. In addition, economic conditions and/or operational performance of a particular reinsurer may deteriorate, and this could also affect the ability and willingness of a reinsurer to meet their contractual obligations.

Consequently, we review reinsurance recoverables at least quarterly to estimate an allowance for expected credit losses. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

At December 31, 2022, the allowance for expected credit losses was $31 million (2021: $30 million). We have not written off any significant reinsurance recoverable balances in the last three years.

At December 31, 2022, the use of different assumptions could have a material effect on the allowance for expected credit losses. To the extent the creditworthiness of our reinsurers deteriorates due to an adverse event affecting the reinsurance industry, such as a large number of catastrophes, uncollectible amounts could be significantly greater than the allowance for expected credit losses. Given the various considerations used to estimate the allowance for expected credit losses, we cannot precisely quantify the effect a specific industry event may have on the allowance for expected credit losses.

Gross Premiums Written

Revenues primarily relate to premiums generated by our underwriting operations. The basis for recognizing gross premiums written varies by policy or contract type. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

Insurance Segment

For the majority of our insurance business, a fixed premium that is identified in the policy is recorded at the inception of the policy. This premium is adjusted if underlying insured values change. We actively monitor underlying insured values, and any adjustments to premiums are recognized in the period in which they are determined. Gross premiums written on a fixed premium basis accounted for 85% and 87% of the segment’s gross premiums written for the years ended December 31, 2022 and 2021, respectively. Some of this business is written through MGAs, third parties granted authority to bind risks on our behalf in accordance with our underwriting guidelines. For this business, premiums are recorded based on monthly statements received from MGAs or best estimates based on historical experience.

The remainder of our insurance business is written on a line slip or proportional basis, where we assume an agreed proportion of the premiums and losses of a particular risk or group of risks along with other unrelated insurers. As premiums for this business are not identified in the policy, premiums are recognized at the inception of the policy based on estimates provided by clients through brokers (refer to 'Reinsurance Segment' below for further details). We review these premium estimates on a quarterly basis and any adjustments to premium estimates are recognized in the period in which they are determined. Gross premiums written on a line slip or proportional basis accounted for 15% and 13% of the segment’s gross premiums written for the years ended December 31, 2022 and 2021, respectively.

For the credit and political risk line of business, we write certain policies on a multi-year basis. Premiums in respect of these policies are recorded at the inception of the policy based on management’s best estimate of premiums to be received, including

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assumptions relating to prepayments/refinancing. At December 31, 2022, the average duration of unearned premiums for credit and political risk line of business was 5.4 years (2021: 5.2 years).

Reinsurance Segment

The reinsurance segment provides cover to cedants (i.e., insurance companies) on an excess of loss or on a proportional basis. In most cases, cedants seek protection from us for business that they have not yet written at the time they enter into agreements with us. Therefore, cedants must estimate their underlying premiums when purchasing reinsurance cover from us.

Excess of loss reinsurance contracts with cedants typically include minimum or deposit premium provisions. For excess of loss reinsurance contracts, minimum or deposit premiums are generally considered to be the best estimate of premiums at the inception of the contract. The minimum or deposit premium is normally adjusted at the end of the contract period to reflect changes in the underlying risks in force during the contract period. Any adjustments to minimum or deposit premiums are recognized in the period in which they are determined. Gross premiums written for excess of loss reinsurance contracts accounted for 43% and 49% of the reinsurance segment’s gross premiums written for the years ended December 31, 2022 and 2021, respectively.

Many of our excess of loss reinsurance contracts also include provisions for automatic reinstatement of coverage in the event of a loss. In a year of significant loss events, reinstatement premiums will be higher than in a year in which there are no large loss events. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' and 'Critical Accounting Estimates – Reserve for Losses and Loss Expenses' above for further details.

For proportional reinsurance contracts, premiums are recognized at the inception of the contract based on estimates to be received from ceding companies. We review these premium estimates on a quarterly basis and evaluate their reasonability in light of premiums reported by cedants. Factors contributing to changes in initial premium estimates may include:

•changes in renewal rates or rates of new business accepted by cedants (changes could result from changes in the relevant insurance market that could affect more than one of our cedants or could be a consequence of changes in the marketing strategy or risk appetite of an individual cedant);

•changes in underlying exposure values; and/or

•changes in rates being charged by cedants.

As a result of this review process, any adjustments to premium estimates are recognized in the period in which they are determined. Changes in premium estimates could be material to gross premiums written in the period. Changes in premium estimates could be also material to net premiums earned in the period in which they are determined, as any adjustment may be substantially or fully earned. Gross premiums written for proportional reinsurance contracts, including adjustments to premium estimates established in prior years, accounted for 57% and 51% of the reinsurance segment’s gross premiums written for the years ended December 31, 2022 and 2021, respectively.

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Gross premiums written for proportional reinsurance contracts incepting during the year were as follows:

Year ended December 31,202220212020
Liability$376,462$383,232$265,358
Accident and health307,082302,520300,646
Professional lines236,454205,305156,643
Credit and surety133,85393,63891,940
Motor135,954187,569228,754
Agriculture112,45272,89752,682
Marine and aviation22,08123,91219,065
Run-off lines
Catastrophe3,46312,73313,863
Property60,204117,397135,312
Engineering15,472
Total run-off lines63,667130,130164,647
Total estimated premiums$1,388,005$1,399,203$1,279,735
Gross premiums written (reinsurance segment)$2,629,014$2,822,752$2,808,539
As a % of total gross premiums written53%50%46%

Historical experience has shown that cumulative adjustments to initial premium estimates for proportional reinsurance contracts have ranged from 0% to 7% over the last 5 years.

We believe that a reasonably likely change to 2022 initial premium estimates for proportional reinsurance contracts would be 4% in either direction. A change in initial premium estimates of this magnitude would result in a change in gross premiums written of approximately $56 million. A change in initial premium estimates of this magnitude would not have a material impact on pre-tax net income, after considering current losses and loss expenses ratios together with acquisition cost ratios.

However, larger variations, positive or negative, are possible.

Net Premiums Earned

Premiums are earned evenly over the period during which we are exposed to the underlying risk. Changes in circumstances subsequent to the inception of contracts can impact the earning periods. For example, when exposure limits for a contract are reached, any associated unearned premiums are fully earned. This can have a significant impact on net premiums earned, particularly for multi-year contracts such as those in the credit and political risk line of business.

Fixed premium insurance policies and excess of loss reinsurance contracts are generally written on a "losses occurring" or "claims made" basis over the term of the contract. Consequently, premiums are earned evenly over the contract term, which is generally 12 months.

Line slip or proportional insurance policies and proportional reinsurance contracts are generally written on a "risks attaching" basis, covering claims that relate to the underlying policies written during the terms of these contracts. As the underlying business incepts throughout the contract term which is typically one year, and the underlying business typically has a one year coverage period, these premiums are generally earned evenly over a 24-month period.

Fair Value Measurements of Financial Assets and Liabilities

Fair value is defined as the price to sell an asset or transfer a liability (i.e., the "exit price") in an orderly transaction between market participants. Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for information on the valuation techniques, including significant inputs and assumptions generally used in estimating the fair values of our financial instruments.

Fixed Maturities and Equity Securities

At December 31, 2022, the fair values of 93% (2021: 94%) of total fixed maturities and equity securities were based on prices provided by globally recognized independent pricing services where we have a current and detailed understanding of how their prices were derived. The remaining securities were priced by either non-binding broker quotes or internal valuation models.

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Generally, we obtain quotes directly from broker-dealers who are active in the corresponding markets when prices are unavailable from independent pricing services. This may also be the case if the pricing from pricing services is not reflective of current market levels, as detected by our pricing control tolerance procedures. Generally, broker-dealers value securities through their trading desks based on observable market inputs. Their pricing methodologies include mapping securities based on trade data, bids or offers, observed spreads and performance on newly issued securities. They may also establish pricing through observing secondary trading of similar securities.

At December 31, 2022 and 2021, we did not adjust any pricing provided by independent pricing services.

Management Pricing Validation

While we obtain pricing from independent pricing services and/or broker-dealers, management is ultimately responsible for determining the fair value measurements of all securities. To ensure fair value measurement is applied consistently and in accordance with U.S. GAAP, annually, we update our understanding of the pricing methodologies used by the pricing services and broker-dealers.

We also challenge any prices we believe may not be representative of fair value under current market conditions. Our review process includes, but is not limited to:

•initial and ongoing evaluation of the pricing methodologies and valuation models used by outside parties to calculate fair value;

•quantitative analysis;

•a review of multiple quotes obtained in the pricing process and the range of resulting fair values for each security, if available; and

•randomly selecting purchased or sold securities and comparing the executed prices to the fair value estimates provided by the independent pricing sources and broker-dealers.

Other Investments

Hedge Funds, Direct Lending Funds, Private Equity Funds and Real Estate Funds

The fair values of hedge funds, direct lending funds, private equity funds and real estate funds are estimated using net asset values (NAVs) as advised by external fund managers or third-party administrators. At December 31, 2022, the estimated fair value of our investments in these funds was $856 million (2021: $838 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

CLO-Equity Securities

The fair values of CLO-Equities are estimated using a discounted cash flow model prepared by an external investment manager. At December 31, 2022, the estimated fair value of our indirect investment in CLO-Equities was $5 million (2021: $6 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Other Privately Held Investments

Other privately held investments include convertible preferred shares, preferred shares, common shares, convertible notes, investments in limited partnership and a variable yield security. These investments are initially valued at cost, which approximates fair value. In subsequent measurement periods, the fair values of these investments are derived from one or a combination of valuation methodologies, which consider factors including recent capital raises by the investee companies, comparable precedent transaction multiples, comparable publicly traded multiples, third-party valuations, discounted cash-flow models, and other techniques that consider the industry and development stage of each investee company. The fair value of the variable yield security was determined using an externally developed discounted cash flow model. At December 31, 2022, the estimated fair value of these investments was $136 million (2021: $105 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

104

Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale

Fixed maturities classified as available for sale are reported at fair value at the balance sheet date and are presented net of an allowance for expected credit losses. Our available for sale ("AFS") investment portfolio is the largest component of consolidated total assets, and it is a multiple of shareholders’ equity. As a result, impairment losses could be material to our results of operations and financial condition particularly during periods of dislocation in financial markets.

A fixed maturity, available for sale security is impaired if the fair value of the investment is below amortized cost. On a quarterly basis, the Company evaluates all fixed maturities, available for sale for impairment losses.

Details regarding our processes for the identification of impairments of fixed maturities, available for sale and the recognition of the related impairment losses are disclosed in Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies'.

In addition, the methodologies and significant inputs used to estimate the allowance for expected credit losses are disclosed in Item 8, Note 5 (i) to the Consolidated Financial Statements 'Investments'.

At December 31, 2022, we recorded an allowance for expected credit losses of $11.7 million (2021: $0.3 million) and for the year ended December 31, 2022, we recorded impairment losses of $12.6 million (2021: $nil) (refer to 'Net Investment Income and Net Investment Gains (Losses)' for further details). The allowance for expected credit loss is charged to net income (loss) and is included in net investment gains (losses) in the consolidated statements of operations.

Intent or Requirement to Sell

From time to time, we may sell fixed maturities, available for sale subsequent to the balance sheet date that we did not intend to sell at the balance sheet date. Conversely, we may not sell fixed maturities, available for sale that we intended to sell at the balance sheet date. These changes in intent may arise due to events occurring subsequent to the balance sheet date. The types of events that may result in a change in intent include, but are not limited to, significant changes in the economic facts and circumstances related to the specific issuer, changes in liquidity needs, or changes in tax laws or the regulatory environment.

U.S. Treasury Securities and Other Highly Rated Debt Instruments

Our credit impairment review process excludes fixed maturities, available for sale guaranteed, either explicitly or implicitly, by the U.S. government and its agencies (U.S. Government, U.S. Agency and U.S. Agency RMBS) because we anticipate these securities will not be settled below amortized cost. These securities are evaluated for intent or requirement to sell at a loss.

105

RECENT ACCOUNTING PRONOUNCEMENTS

At December 31, 2022, there were no recently issued accounting pronouncements that we have not yet adopted that we expect could have a material impact on our results of operations, financial condition or liquidity.

FY 2021 10-K MD&A

SEC filing source: 0001214816-22-000011.

Extracted structurally from real Item 7 body heading to real Item 7A/8 boundary. Confidence: high. Filing date: 2022-02-25. Report date: 2021-12-31.

ITEM 7.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following is a discussion and analysis of our results of operations for the years ended December 31, 2021 and 2020, and our financial condition at December 31, 2021 and 2020. This should be read in conjunction with Item 8 'Financial Statements and Supplementary Data' of this report. Unless otherwise noted, tabular dollars are in thousands, except per share amounts. Amounts may not reconcile due to rounding differences.

Page
2021 Financial Highlights57
Overview58
Consolidated Results of Operations60
Results by Segment:
i) Insurance Segment62
ii) Reinsurance Segment65
Net Investment Income and Net Investment Gains (Losses)68
Other Expenses (Revenues), Net71
Financial Measures72
Non-GAAP Financial Measures Reconciliation74
Cash and Investments77
Liquidity and Capital Resources84
Critical Accounting Estimates89
i) Reserve for Losses and Loss Expenses90
ii) Reinsurance Recoverable on Unpaid Losses and Loss Expenses96
iii) Gross Premiums Written97
iv) Net Premiums Earned98
v) Fair Value Measurements of Financial Assets and Liabilities99
vi) Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale100
Recent Accounting Pronouncements101

56

2021 FINANCIAL HIGHLIGHTS

2021 Consolidated Results of Operations

•Net income attributable to common shareholders of $588 million, or $6.95 per common share, and $6.90 per diluted common share

•Operating income(1) of $436 million, or $5.12 per diluted common share(1)

•Gross premiums written of $7.7 billion

•Net premiums written of $4.9 billion

•Net premiums earned of $4.7 billion

•Pre-tax catastrophe and weather-related losses, net of reinsurance and reinstatement premiums, of $443 million (Insurance: $175 million; Reinsurance: $268 million), or 9.5 points on the current accident year loss ratio, primarily attributable to Hurricane Ida, Winter Storms Uri and Viola which principally impacted the state of Texas, July European floods, and other weather-related events.

•Net favorable prior year reserve development of $32 million

•Underwriting income(2) of $266 million and combined ratio of 97.5%

•Net investment income of $454 million

•Net investment gains of $134 million

2021 Consolidated Financial Condition

•Total cash and investments of $16.5 billion; fixed maturities, short-term investments, and cash and cash equivalents comprise 86% of total cash and investments and have an average credit rating of AA-

•Total assets of $27.4 billion

•Reserve for losses and loss expenses of $14.7 billion and reinsurance recoverable on unpaid and paid losses and loss expenses of $5.7 billion

•Debt of $1.3 billion and a debt to total capital ratio(3) of 19.5%

•Common shareholders’ equity of $4.9 billion; book value per diluted common share of $55.78

(1) Operating income (loss) and operating income (loss) per diluted common share are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. The reconciliations to the most comparable GAAP financial measures, net income (loss) available (attributable) to common shareholders and earnings (loss) per diluted common share, respectively, and a discussion of the rationale for the presentation of these items are provided in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, net income (loss), is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations', and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)The debt to total capital ratio is calculated by dividing debt by total capital. Total capital represents the sum of total shareholders’ equity and debt.

57

OVERVIEW

Business Overview

AXIS Capital, through its operating subsidiaries, is a global provider of specialty lines insurance and treaty reinsurance with operations in Bermuda, the U.S., Europe, Singapore and Canada. Our underwriting operations are organized around our global underwriting platforms, AXIS Insurance and AXIS Re.

We provide our clients and distribution partners with a broad range of risk transfer products and services, and meaningful capacity, backed by excellent financial strength. We manage our portfolio holistically, aiming to construct the optimum portfolio of risks, consistent with our risk appetite and the development of our franchise. We nurture an ethical, entrepreneurial, disciplined and diverse culture that promotes outstanding client service, intelligent risk taking, operating efficiency, corporate citizenship and the achievement of superior risk-adjusted returns for our shareholders. We believe that the achievement of our objectives will position us as a global leader in specialty risks. The execution of our business strategy in 2021 included the following:

•increasing our relevance in a select number of attractive specialty lines insurance and treaty reinsurance markets including U.S. excess and surplus lines, North America professional lines and Lloyd's specialty insurance business;

•re-balancing our portfolio towards less volatile lines of business that carry attractive returns while deploying capital with risk limits, diversification and risk management;

•continuing the implementation of a more focused distribution strategy while building mutually beneficial relationships with clients and partners;

•improving the effectiveness and efficiency of our operating platforms and processes;

•investing in data and technology capabilities, and tools to empower our underwriters and enhance the service we provide to our customers;

•utilizing reinsurance markets and third-party capital relationships;

•fostering a positive workplace environment that enables us to attract, retain and develop top talent; and

•growing our corporate citizenship program to give back to our communities and help contribute to a more sustainable future.

For discussion of our results of operations and changes in financial condition for year ended December 31, 2020, compared to year ended December 31, 2019, refer to Part II, Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in our 2020 Form 10-K, which was filed with the SEC on February 26, 2021, and such discussions are incorporated herein by reference.

58

Outlook

We are committed to leadership in our core specialty insurance and global reinsurance markets, where we have depth of talent and expertise. We believe our market positioning, underwriting expertise, claims management capabilities and strong relationships with our distributors and clients will provide opportunities for increased profitability, with differences among our lines driven by our tactical response to market conditions.

Rates, and terms and conditions across virtually all insurance lines and geographies continued to be favorable through the fourth quarter of 2021. We expect many specialty segments will continue to experience further pricing improvements, as carriers assess pricing adequacy, portfolio construction, economic conditions and account preferences. In this market environment, we are focusing on growth in lines of business and market segments that are adequately priced.

The reinsurance market is also experiencing an improvement in rates, and terms and conditions, but more is needed to achieve price adequacy. In light of 2021 marking the fifth consecutive year of challenging market loss events, carriers are aiming to reduce net volatility and increase profitability. However, the case for change is dampened due to the very strong industry capitalization. Overall, we believe the reinsurance market will continue to gain momentum and will achieve the required risk adjusted rate increases.

We are encouraged by the pricing improvements we are seeing across both the insurance and reinsurance segments, that we expect will carry into 2022 and beyond. Where prices deliver adequate profitability, we will look to grow within our risk and volatility guidelines. With a strengthened book of business, and growing footprint in attractive markets that are seeing the most favorable conditions, we believe AXIS is well positioned to drive profitable growth within the current environment.

59

CONSOLIDATED RESULTS OF OPERATIONS

Years ended December 31,2021% Change2020% Change2019
Underwriting revenues:
Gross premiums written$7,685,98413%$6,826,938(1%)$6,898,858
Net premiums written4,926,62414%4,336,409(3%)4,489,615
Net premiums earned4,709,8508%4,371,309(5%)4,587,178
Other insurance related income (loss)23,295nm(8,089)nm16,444
Underwriting expenses:
Net losses and loss expenses(3,008,783)(8%)(3,281,252)8%(3,044,798)
Acquisition costs(921,834)(1%)(929,517)(9%)(1,024,582)
Underwriting-related general and administrative expenses(1)(536,834)12%(477,968)(5%)(505,735)
Underwriting income (loss)(2)265,694(325,517)28,507
Net investment income454,30130%349,601(27%)478,572
Net investment gains134,2794%129,13342%91,233
Corporate expenses(1)(126,470)24%(101,822)(21%)(129,096)
Foreign exchange (losses) gains(315)nm(81,069)nm12,041
Interest expense and financing costs(62,302)(17%)(75,049)10%(68,107)
Reorganization expensesnm(7,881)(79%)(37,384)
Amortization of value of business acquired(3,854)(25%)(5,139)(81%)(26,722)
Amortization of intangible assets(12,424)9%(11,390)(2%)(11,597)
Income (loss) before income taxes and interest in income (loss) of equity method investments648,909(129,133)337,447
Income tax (expense) benefit(62,384)nm12,321nm(23,692)
Interest in income (loss) of equity method investments32,084nm(3,612)nm9,718
Net income (loss)618,609(120,424)323,473
Preferred share dividends(30,250)—%(30,250)(26%)(41,112)
Net income (loss) available (attributable) to common shareholders$588,359$(150,674)$282,361

nm – not meaningful is defined as a variance greater than +/-100%

(1)Underwriting-related general and administrative expenses is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to general and administrative expenses, the most comparable GAAP financial measure, also included corporate expenses of $126 million, $102 million, and $129 million for 2021, 2020, and 2019, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net'' for further details on corporate expenses. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

(2)Consolidated underwriting income (loss) is a non-GAAP financial measure as defined in in Item 10(e) of SEC Regulation S-K. The reconciliation to net income (loss), the most comparable GAAP financial measure, is presented in the table above. Refer also to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation' for further details.

60

Underwriting Revenues

Underwriting revenues by segment were as follows:

Years ended December 31,2021% Change2020% Change2019
Gross premiums written:
Insurance$4,863,23221%$4,018,3999%$3,675,931
Reinsurance2,822,7521%2,808,539(13%)3,222,927
Total gross premiums written$7,685,98413%$6,826,938(1%)$6,898,858
Percent of gross premiums written ceded:
Insurance40%(1 pt )41%1 pt40%
Reinsurance28%(2 pts)30%1 pt29%
Total percent of gross premiums ceded36%— pts36%1 pt35%
Net premiums written:
Insurance$2,894,88523%$2,357,5017%$2,209,155
Reinsurance2,031,7393%1,978,908(13%)2,280,460
Total net premiums written$4,926,62414%$4,336,409(3%)$4,489,615
Net premiums earned:
Insurance$2,651,33915%$2,299,0385%$2,190,084
Reinsurance2,058,511(1%)2,072,271(14%)2,397,094
Total net premiums earned$4,709,8508%$4,371,309(5%)$4,587,178

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations - Results by Segment' for further details on underwriting revenues.

Combined Ratio

The components of the combined ratio were as follows:

Years ended December 31,2021% Point Change2020% Point Change2019
Current accident year loss ratio, excluding catastrophe and weather-related losses55.1%(2.6)57.7%(2.9)60.6%
Catastrophe and weather-related losses ratio9.5%(8.2)17.7%10.27.5%
Current accident year loss ratio64.6%(10.8)75.4%7.368.1%
Prior year reserve development ratio(0.7%)(0.4)(0.3%)1.4(1.7%)
Net losses and loss expenses ratio63.9%(11.2)75.1%8.766.4%
Acquisition cost ratio19.6%(1.7)21.3%(1.0)22.3%
General and administrative expense ratio(1)14.0%0.813.2%(0.7)13.9%
Combined ratio97.5%(12.1)109.6%7.0102.6%

(1)The general and administration expense ratio included corporate expenses not allocated to underwriting segments of 2.7%, 2.3% and 2.8% for 2021, 2020 and 2019, respectively. Refer to 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Other Expenses (Revenues), Net' for further details.

Refer to 'Management's Discussion and Analysis of Financial Condition and Results of Operations - Results by Segment' for further details on underwriting expenses.

61

RESULTS BY SEGMENT

Insurance Segment

Results for the insurance segment were as follows:

Year ended December 31,2021% Change2020% Change2019
Revenues:
Gross premiums written$4,863,23221%$4,018,3999%$3,675,931
Net premiums written2,894,88523%2,357,5017%2,209,155
Net premiums earned2,651,33915%2,299,0385%2,190,084
Other insurance related income1,662(37%)2,647(7%)2,858
Expenses:
Current accident year net losses and loss expenses(1,533,358)(1,705,951)(1,331,981)
Prior year reserve development18,3608,93753,302
Acquisition costs(484,344)(461,533)(468,281)
Underwriting-related general and administrative expenses(429,282)(378,839)(401,963)
Underwriting income (loss)$224,377$(235,701)$44,019
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses51.4%(3.7)55.1%(1.9)57.0%
Catastrophe and weather-related losses ratio6.4%(12.7)19.1%15.33.8%
Current accident year loss ratio57.8%(16.4)74.2%13.460.8%
Prior year reserve development ratio(0.7%)(0.3)(0.4%)2.0(2.4%)
Net losses and loss expenses ratio57.1%(16.7)73.8%15.458.4%
Acquisition cost ratio18.3%(1.8)20.1%(1.3)21.4%
Underwriting-related general and administrative expense ratio16.2%(0.3)16.5%(1.8)18.3%
Combined ratio91.6%(18.8)110.4%12.398.1%

62

Gross Premiums Written

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2021202020192020 to 20212019 to 2020
Property$1,136,50824%$996,65026%$943,76026%14%6%
Marine469,85310%419,40510%411,30911%12%2%
Terrorism56,1171%55,7811%60,1202%1%(7%)
Aviation110,8092%87,6712%74,6702%26%17%
Credit and political risk163,6023%156,4144%154,9994%5%1%
Professional lines1,816,04137%1,378,50334%1,177,27432%32%17%
Liability931,07519%763,15519%699,87619%22%9%
Accident and health178,8994%158,5854%144,1034%13%10%
Discontinued lines - Novae328%2,235%9,820%nmnm
Total$4,863,232100%$4,018,399100%$3,675,931100%21%9%

nm – not meaningful

Gross premiums written in 2021 increased by $845 million, or 21%, ($802 million, or 20% on a constant currency basis(1)), compared to 2020. The increase was primarily attributable to professional lines, liability, property, marine, aviation, and accident and health lines.

The increases in professional lines, liability, property, and marine lines were due to new business and favorable rate changes. The increase in aviation lines was due to premium adjustments, favorable rate changes, and new business. The increase in accident and health lines was due to new business.

Ceded Premiums Written

Ceded premiums written in 2021 was $1,968 million, or 40% of gross premiums written, compared to $1,661 million, or 41% in 2020. The increase in ceded premiums written of $307 million, or 19% was primarily driven by increases in professional lines, liability, property, and accident and health lines, partially offset by a decrease in marine lines.

Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2021202020192020 to 20212019 to 2020
Property$662,97725%$605,65026%$633,55029%9%(4%)
Marine354,19313%293,74613%281,76413%21%4%
Terrorism47,9952%47,3782%47,3452%1%%
Aviation84,8823%70,9103%55,0283%20%29%
Credit and political risk96,6044%105,8695%91,6984%(9%)15%
Professional lines898,30734%715,27631%661,25030%26%8%
Liability354,51813%313,29114%264,66712%13%18%
Accident and health151,1346%143,7236%144,4997%5%(1%)
Discontinued lines - Novae729%3,195%10,283%(77%)(69%)
Total$2,651,339100%$2,299,038100%$2,190,084100%15%5%

(1) Amounts presented on a constant currency basis are non-GAAP financial measures as defined in Item10 (e) of SEC Regulation S-K. The constant currency basis is calculated by applying the average foreign exchange rate from the current year to the prior year balance.

63

Net premiums earned in 2021 increased by $352 million, or 15%, ($317 million, or 14% on a constant currency basis), compared to 2020. The increase was primarily driven by increases in gross premiums earned in professional lines, liability, property, marine, and aviation lines, partially offset by increases in ceded premiums earned in professional lines, liability and property lines.

Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2021% Point Change2020% Point Change2019
Current accident year loss ratio57.8%(16.4)74.2%13.460.8%
Prior year reserve development ratio(0.7%)(0.3)(0.4%)2.0(2.4%)
Loss ratio57.1%(16.7)73.8%15.458.4%

Current Accident Year Loss Ratio

The current accident year loss ratio decreased to 57.8% in 2021 from 74.2% in 2020. The decrease in the current accident year loss ratio was impacted by a lower level of catastrophe and weather-related losses. During 2021, catastrophe and weather-related losses, net of reinstatement premiums, were $175 million, or 6.4 points, primarily attributable to Hurricane Ida, Winter Storms Uri and Viola, and other weather-related events. Comparatively, in 2020, catastrophe and weather-related losses, net of reinstatement premiums, were $443 million, or 19.1 points, primarily attributable to the COVID-19 pandemic, Hurricanes Laura, Sally, Zeta and Delta, and other weather-related events. During 2020, catastrophe and weather-related losses included $204 million, or 8.8 points, attributable to the COVID-19 pandemic which were largely associated with property-related coverages, but also included event cancellation coverages.

After adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio decreased to 51.4% in 2021 from 55.1% in 2020. The decrease in the current accident year loss ratio, after adjusting for the impact of the catastrophe and weather-related losses was principally due to the impact of favorable pricing over loss trends and a decrease in loss experience in property lines, largely associated with repositioning the portfolio, professional lines, and credit and political risk lines.

Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details on the reserve classes, the expected claim tails, and prior year development.

Acquisition Cost Ratio

The acquisition cost ratio decreased to 18.3% in 2021 from 20.1% in 2020, respectively, principally related to changes in business mix attributable to the decrease in program business in property lines written in recent periods, a decrease in variable acquisition costs associated with marine lines, partially offset by an increase in variable acquisition costs associated with professional lines.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio decreased to 16.2% in 2021 from 16.5% in 2020, mainly driven by an increase in net premiums earned, partially offset by an increase in personnel costs, performance-related compensation costs and information technology costs together with a decrease in fees related to arrangements with strategic capital partners.

64

Reinsurance Segment

Results for the reinsurance segment were as follows:

Year ended December 31,2021% Change2020% Change2019
Revenues:
Gross premiums written$2,822,7521%$2,808,539(13%)$3,222,927
Net premiums written2,031,7393%1,978,908(13%)2,280,460
Net premiums earned2,058,511(1%)2,072,271(14%)2,397,094
Other insurance related income (loss)21,633nm(10,736)nm13,586
Expenses:
Current accident year net losses and loss expenses(1,507,835)(1,591,210)(1,791,717)
Prior year reserve development14,0496,97225,598
Acquisition costs(437,490)(467,984)(556,301)
Underwriting-related general and administrative expenses(107,552)(99,129)(103,772)
Underwriting income (loss)$41,317$(89,816)$(15,512)
Ratios:% Point Change% Point Change
Current accident year loss ratio, excluding catastrophe and weather-related losses59.9%(0.7)60.6%(3.4)64.0%
Catastrophe and weather-related losses ratio13.3%(2.9)16.2%5.510.7%
Current accident year loss ratio73.2%(3.6)76.8%2.174.7%
Prior year reserve development ratio(0.6%)(0.2)(0.4%)0.6(1.0%)
Net losses and loss expenses ratio72.6%(3.8)76.4%2.773.7%
Acquisition cost ratio21.3%(1.3)22.6%(0.6)23.2%
Underwriting-related general and administrative expense ratio5.1%0.34.8%0.54.3%
Combined ratio99.0%(4.8)103.8%2.6101.2%

nm – not meaningful

65

Gross Premiums Written:

Gross premiums written by line of business were as follows:

% Change
Year ended December 31,2021202020192020 to 20212019 to 2020
Catastrophe$492,39716%$551,14319%$718,51424%(11%)(23%)
Property213,3948%245,7449%304,1669%(13%)(19%)
Credit and surety208,1087%232,6998%269,7338%(11%)(14%)
Professional lines353,67113%312,93511%261,0728%13%20%
Motor279,96010%304,43911%334,88710%(8%)(9%)
Liability722,31626%618,91322%546,47917%17%13%
Engineering(6,464)%25,8861%57,0282%nm(55%)
Agriculture86,1283%70,5003%224,9617%22%(69%)
Marine and aviation73,8663%73,1033%74,7812%1%(2%)
Accident and health398,64114%371,82813%432,67013%7%(14%)
Discontinued lines - Novae735%1,349%(1,364)%(46%)nm
Total$2,822,752100%$2,808,539100%$3,222,927100%1%(13%)

nm – not meaningful

Gross premiums written in 2021 increased by $14 million, or 1%, (decreased by $16 million, or 1% on a constant currency basis), compared to 2020. The increase was primarily attributable to liability, professional lines, and accident and health lines, partially offset by decreases in catastrophe, property, engineering, credit and surety, and motor lines.

The increases in liability, professional lines, and accident and health lines were driven by favorable market conditions associated with renewals and new business. The increase in liability lines was also due to the restructuring of several significant contracts. The increase in professional lines was also due to premium adjustments associated with favorable market conditions. The increase in accident and health lines was also due to premium adjustments following the exit from Middle East business in 2020.

The decrease in catastrophe lines was driven by non-renewals and decreased line sizes associated with the repositioning of the portfolio, partially offset by reinstatement premiums associated with significant catastrophe losses. The decreases in property and motor lines were driven by non-renewals and decreased line sizes associated with the repositioning of the portfolio. The decrease in engineering lines was driven by non-renewals and premium adjustments following the exit from this line of business in 2020. The decrease in credit and surety lines was driven by premium adjustments.

Ceded Premiums Written

Ceded premiums written in 2021 was $791 million, or 28%, of gross premiums written, compared to $830 million, or 30%, in 2020. The decrease in ceded premiums written of $39 million, or 5%, was primarily driven by decreases in catastrophe, property, and credit and surety lines, partially offset by increases in liability, and accident and health lines.

The decrease in catastrophe lines was attributable to the non-renewal of significant excess of loss treaties and a significant quota share retrocessional treaty, partially offset by an increase in premiums ceded to strategic partners largely due to the restructuring of several quota share retrocessional treaties and additional costs associated with the purchase of catastrophe bond protection. The decrease in property lines was attributable to the non-renewal of a fronting arrangement and the non-renewal of significant excess of loss treaties. The decrease in credit and surety lines reflected the decrease in gross premiums written in 2021, compared to 2020, partially offset by an increase in premium ceded due to the restructuring of two significant quota share retrocessional treaties.

The increase in liability lines reflected the increase in gross premiums written in 2021, compared to 2020, partially offset by a decrease in premiums ceded due to the restructuring of a significant quota share retrocessional treaty. The increase in accident and health lines reflected the increase in gross premiums written in 2021, compared to 2020.

66

Net Premiums Earned

Net premiums earned by line of business were as follows:

% Change
Year ended December 31,2021202020192020 to 20212019 to 2020
Catastrophe$238,77511%$244,93412%$267,59110%(3%)(8%)
Property231,08011%256,24412%311,62513%(10%)(18%)
Credit and surety158,5498%187,7219%208,7179%(16%)(10%)
Professional lines220,44811%207,60510%206,3289%6%1%
Motor247,09212%255,91612%398,56517%(3%)(36%)
Liability431,01221%396,90619%373,66416%9%6%
Engineering28,2381%60,5213%63,8993%(53%)(5%)
Agriculture82,7444%73,6964%188,9258%12%(61%)
Marine and aviation58,6783%53,5163%59,2092%10%(10%)
Accident and health361,19718%333,99616%319,61913%8%4%
Discontinued lines - Novae698%1,216%(1,048)%(43%)nm
Total$2,058,511100%$2,072,271100%$2,397,094100%(1%)(14%)

nm – not meaningful

Net premiums earned in 2021 decreased by $14 million, or 1%, ($10 million, or 0.5% on a constant currency basis), compared to 2020. The decrease was primarily driven by decreases in gross premiums earned in credit and surety, property and engineering lines, together with increases in ceded premiums earned in liability and professional lines. These decreases were partially offset by increases in gross premiums earned in liability, professional lines, and accident and health lines and decreases in ceded premiums earned in credit and surety, accident and health, and property lines.

Other Insurance Related Income (Loss)

Other insurance related income was $22 million in 2021, compared to other insurance related loss of $11 million in 2020. Other insurance related income in 2021, was primarily associated with fees related to arrangements with strategic capital partners. Other insurance related loss in 2020 was primarily due to the recognition of a full limit loss of $10 million associated with the WHO pandemic risk-linked swap.

Loss Ratio

The components of the loss ratio were as follows:

Year ended December 31,2021% Point Change2020% Point Change2019
Current accident year loss ratio73.2%(3.6)76.8%2.174.7%
Prior year reserve development ratio(0.6%)(0.2)(0.4%)0.6(1.0%)
Loss ratio72.6%(3.8)76.4%2.773.7%

Current Accident Year Loss Ratio

The current accident year loss ratio decreased to 73.2% in 2021 from 76.8% in 2020. The decrease in the current accident year loss ratio was impacted by a lower level of catastrophe and weather-related losses. During 2021, catastrophe and weather-related losses, net of reinstatement premiums, were $268 million, or 13.3 points, primarily attributable to Hurricane Ida, July European Floods, Winter Storms Uri and Viola, June European Convective Storms, December Convective Storms which principally impacted the U.S. Southwest and the Upper Midwest, Quad-state tornadoes, and other weather-related events.

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Comparatively, in 2020, catastrophe and weather-related losses, net of reinstatement premiums, were $330 million or 16.2 points, primarily attributable to the COVID-19 pandemic, the Midwest derecho, Hurricane Laura, wildfires across the West Coast of the United States, and other weather-related events. During 2020, catastrophe and weather-related losses included $156 million, or 7.6 points, attributable to the COVID-19 pandemic which were largely associated with property-related coverages, but also included accident and health, and mortgage-related coverages.

After adjusting for the impact of the catastrophe and weather-related losses, the current accident year loss ratio decreased to 59.9% in 2021 from 60.6% in 2020, principally due to the impact of favorable pricing over loss trends, partially offset by the impact of changes to retrocessional arrangements.

Prior Year Reserve Development

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for details on the reserve classes, the expected claim tails, and prior year development.

Acquisition Cost Ratio:

The acquisition cost ratio decreased to 21.3% in 2021 from 22.6% in 2020, principally related to the impact of retrocessional contracts.

Underwriting-Related General and Administrative Expense Ratio

The underwriting-related general and administrative expense ratio increased to 5.1% in 2021 from 4.8% in 2020, mainly driven by an increase in performance-related compensation costs, partially offset by an increase in fees related to arrangements with strategic capital partners.

NET INVESTMENT INCOME AND NET INVESTMENT GAINS (LOSSES)

Net Investment Income

Net investment income from our cash and investment portfolio by major asset class was as follows:

Year ended December 31,2021% Change2020% Change2019
Fixed maturities$262,049(17%)$317,121(17%)$384,053
Other investments181,906nm16,059(73%)60,038
Equity securities12,75237%9,328(11%)10,434
Mortgage loans17,42713%15,4325%14,712
Cash and cash equivalents4,454(67%)13,582(49%)26,882
Short-term investments664(76%)2,749(61%)7,053
Gross investment income479,25228%374,271(26%)503,172
Investment expense(24,951)1%(24,670)—%(24,600)
Net investment income$454,30130%$349,601(27%)$478,572
Pre-tax yield:(1)
Fixed maturities2.2%2.6%3.2%

nm – not meaningful

(1)Pre-tax yield is calculated by dividing net investment income by the average month-end amortized cost balances.

Fixed Maturities

2021 versus 2020: Net investment income in 2021 decreased by $55 million or 17%, compared to 2020 due to a decrease in yields.

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Other Investments

Other investments include hedge funds, direct lending funds, private equity funds, real estate funds, other privately held investments and an indirect investment in CLO-Equities. These investments are recorded at fair value, with changes in fair value and income distributions reported in net investment income. Consequently, the pre-tax return on other investments may vary materially year over year, particularly during volatile equity and credit markets.

Net investment income from other investments was as follows:

Year ended December 31,202120202019
Hedge, direct lending, private equity and real estate funds$133,923$16,267$42,186
Other privately held investments44,4825,80918,050
CLO-Equities3,501(6,017)(198)
Total net investment income from other investments(1)$181,906$16,059$60,038
Pre-tax return on other investments(2)21.4%2.2%8.5%

(1)Excluded overseas deposits in 2020 and 2019. Overseas deposits in 2020 and 2019 included investments in private funds held by Syndicate 2007 where the underlying investments were primarily U.S. government, non-U.S. government and corporate debt securities.

(2)The pre-tax return on other investments is calculated by dividing total net investment income from other investments by the average month-end fair value balances held for the periods indicated, excluding overseas deposits.

2021 versus 2020: Pre-tax return on other investments in 2021 increased to 21.4%, compared to 2.2% in 2020. The increase was primarily attributable to higher returns from direct lending, real estate and private equity funds and other privately held investments.

Net Investment Gains (Losses)

Fixed maturities classified as available for sale are reported at fair value. Realized gains (losses) on fixed maturities are reported in net investment gains (losses) when these securities are sold or impaired.

Equity securities are reported at fair value. Realized gains (losses) on equity securities are also reported in net investment gains (losses) when securities are sold or impaired. In addition, changes in the fair values of equity securities are reported in net investment gains (losses).

Changes in the fair value of investment derivatives, mainly foreign exchange forward contracts and exchange traded interest rate swaps, are recorded in net investment gains (losses).

Net investment gains (losses) were as follows:

Year ended December 31,202120202019
On sale of investments:
Fixed maturities and short-term investments$95,116$92,119$36,645
Equity securities4,71719,8083,126
99,833111,92739,771
Change in allowance for expected credit losses11(323)
Impairment losses (1)(22)(1,486)
Other-than-temporary-impairment ("OTTI") losses(6,984)
Change in fair value of investment derivatives4,346(2,434)(1,823)
Net unrealized gains (losses) on equity securities30,11121,44960,269
Net investment gains (losses)$134,279$129,133$91,233

(1) Related to instances where we intend to sell securities, or it is more likely than not that we will be required to sell securities before their anticipated recovery.

2021 versus 2020: Net investment gains in 2021 were $134 million compared to net investment gains of $129 million in 2020. Net investment gains reported in 2021 mainly reflected net realized gains on the sale of corporate debt, non-U.S. government and CMBS and net unrealized gains on equity securities. Net investment gains reported in 2020 mainly reflected

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net realized gains on the sale of U.S Government, agency RMBS and exchange traded funds and net unrealized gains on equity securities.

On Sale of Investments

Generally, sales of individual securities occur when there are changes in the relative value, credit quality, or duration of a particular issue. We may also sell securities to re-balance our investment portfolio in order to change exposure to particular asset classes or sectors.

Impairment and OTTI Losses

The impairment losses (refer to 'Critical Accounting Estimates – Impairment losses' for further details) recognized in net income by asset class were as follows:

2021 versus 2020: Impairment losses in 2021 were $nil compared to impairment losses of $1 million in 2020. The impairment losses in 2020 were principally due to impairments of non-investment grade corporate debt securities that we intended to sell or more likely than not were required to sell.

Change in Fair Value of Investment Derivatives

From time to time, we economically hedge foreign exchange exposure and interest rate risk with derivative contracts.

During 2021, foreign exchange hedges resulted in $4 million of net gains which primarily related to securities denominated in euro which experienced volatility during 2021.

During 2020, foreign exchange hedges resulted in $2 million of net losses which primarily related to securities denominated in euro which experienced volatility during 2020.

Our derivative instruments are not designated as hedges under current accounting guidance, therefore, net unrealized gains (losses) on the hedged securities were recorded in accumulated other comprehensive income in the statement of changes in shareholders’ equity.

Total Return

Our investment strategy is to take a long-term view by actively managing our investment portfolio to maximize total return within certain guidelines and constraints. In assessing returns under this approach, we include net investment income, net investment gains (losses), the change in unrealized gains (losses) on fixed maturities, and interest in income (loss) of equity method investments generated by our investment portfolio.

Total return on cash and investments was as follows:

Year ended December 31,202120202019
Net investment income$454,301$349,601$478,572
Net investments gains (losses)134,279129,13391,233
Change in net unrealized gains (losses) on fixed maturities(1)(405,378)269,937385,364
Interest in income (loss) of equity method investments32,084(3,612)9,718
Total$215,286$745,059$964,887
Average cash and investments(2)$16,107,523$15,562,097$15,322,688
Total return on average cash and investments, pre-tax:
Including investment related foreign exchange movements1.3%4.8%6.3%
Excluding investment related foreign exchange movements(3)1.6%4.4%6.1%

(1)Change in net unrealized gains (losses) on fixed maturities is calculated by taking net unrealized gains (losses) at period end less net unrealized gains (losses) at the prior period end.

(2)The average cash and investments balance represents the average of total cash and investments including receivable for investments sold, payable for investments purchased and accrued interest for each period

(3)Pre-tax total return on cash and investments excluding foreign exchange rate movements is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to pre-tax total return on cash and investments, the most comparable GAAP financial measure, included foreign exchange gains (losses) of $(40) million, $55 million and $25 million for the years ended December 31, 2021, 2020 and 2019, respectively.

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OTHER EXPENSES (REVENUES), NET

The following table provides a summary of other expenses (revenues), net:

Year ended December 31,2021% Change2020% Change2019
Corporate expenses$126,47024%$101,822(21%)$129,096
Foreign exchange losses (gains)315nm81,069nm(12,041)
Interest expense and financing costs62,302(17%)75,04910%68,107
Income tax expense (benefit)62,384nm(12,321)nm23,692
Total$251,471$245,619$208,854

nm – not meaningful

Corporate Expenses

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As a percentage of net premiums earned, corporate expenses increased to 2.7% in 2021 from 2.3% in 2020.

The increase in corporate expenses in 2021 was mainly driven by increases in performance-related compensation costs and personnel costs.

Foreign Exchange Losses (Gains)

Some of our business is written in currencies other than the U.S. dollar.

Foreign exchange losses in 2021 were primarily related to the impact of the weakening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling, Australian dollar and other currencies, largely offset by the strengthening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in euro and Japanese yen.

Foreign exchange losses in 2020 were primarily related to the impact of the weakening of the U.S. dollar on the remeasurement of net insurance-related liabilities denominated in pound sterling and the euro.

Interest Expense and Financing Costs

Interest expense and financing costs are related to interest due on the 5.875% senior unsecured notes ("5.875% Senior Notes") issued in 2010 and repaid in June 2020, the 5.150% senior unsecured notes ("5.150% Senior Notes") issued in 2014, the 4.000% senior unsecured notes ("4.000% Senior Notes") issued in 2017, the 3.900% senior unsecured notes ("3.900% Senior Notes"), and the 4.900% fixed-rate reset junior subordinated notes ("Junior Subordinated Notes") issued in 2019.

Interest expense and financing costs decreased by $13 million in 2021, compared to 2020, due to the repayment of the 5.875% Senior Notes on June 1, 2020.

Income Tax Expense (Benefit)

Income tax expense (benefit) primarily results from income (loss) generated by our foreign operations in the U.S. and Europe. Our effective tax rate, which is calculated as income tax expense (benefit), divided by income (loss) before tax including interest in income (loss) of equity method investments, was 9.2%, 9.3%, and 6.8% in 2021, 2020, and 2019, respectively. This effective rate can vary between years depending on the distribution of net income (loss) among tax jurisdictions, as well as other factors.

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The tax expense of $62 million in 2021 was principally due to the generation of pre-tax income in our U.S., U.K. and European operations.

The tax benefit of $12 million in 2020 was principally due to the generation of pre-tax losses in our U.K. operations.

FINANCIAL MEASURES

We believe that the following financial indicators are important in evaluating performance and measuring the overall growth in value generated for common shareholders:

Year ended and at December 31,202120202019
Return on average common equity(1)12.2%(3.2%)6.3%
Operating return on average common equity(2)9.1%(3.7%)4.7%
Book value per diluted common share(3)$55.78$55.09$55.79
Cash dividends declared per common share$1.69$1.65$1.61
Increase in book value per diluted common share adjusted for dividends$2.38$0.95$7.47

(1)    Return on average common equity ("ROACE") is calculated by dividing net income (loss) available (attributable) to common shareholders for the year by the average common shareholders' equity determined using the common shareholders' equity balances at the beginning and end of the year.

(2)    Operating return on average common equity ("operating ROACE"), is a non-GAAP financial measure as defined in Item 10(e) of SEC Regulation S-K. The reconciliation to the most comparable GAAP financial measure, ROACE, and a discussion of the rationale for its presentation is provided in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Non-GAAP Financial Measures Reconciliation'.

(3)    Book value per diluted common share represents common shareholders’ equity divided by the number of diluted common share outstanding, determined using the treasury stock method. Cash-settled restricted stock units are excluded.

Return on Average Common Equity

Our objective is to generate superior returns on capital that appropriately reward common shareholders for the risks we assume and to grow revenue only when we expect the returns will meet or exceed our requirements. We recognize that the nature of underwriting cycles and the frequency or severity of large loss events in any one year may challenge the ability to achieve a profitability target in any specific period.

ROACE reflects the impact of net income (loss) available (attributable) to common shareholders, including net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments.

The increase in ROACE in 2021 compared to 2020, was primarily driven by the underwriting income, an increase in net investment income, a decrease in foreign exchange losses and the interest in income of equity method investments, partially offset by the income tax expense, and an increase in corporate expenses.

Operating ROACE excludes the impact of net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments.

The increase in operating ROACE in 2021, compared to 2020, was primarily driven by the underwriting income and an increase in investment income, partially offset by the income tax expense, and an increase corporate expenses.

Book Value per Diluted Common Share

We consider book value per diluted common share to be an appropriate measure of returns to common shareholders, as we believe growth in book value on a diluted basis will ultimately translate into appreciation of our stock price.

In 2021, book value per diluted common share increased by 1%, due to the net income generated, partially offset by a decrease in net unrealized investment gains reported in other comprehensive income and common dividends declared.

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In 2020, book value per diluted common share decreased by 1%, due to the net loss generated and common dividends declared, partially offset by net unrealized investment gains reported in other comprehensive income.

Cash Dividends Declared per Common Share

We believe in returning excess capital to shareholders by way of dividends. Accordingly, dividend policy is an integral part of the value we create for shareholders. Our Board of Directors have approved eighteen successive annual increases in quarterly common share dividends.

Book Value per Diluted Common Share Adjusted for Dividends

Taken together, we believe that growth in book value per diluted common share and common share dividends declared represent the total value created for common shareholders. As companies in the insurance industry have differing dividend payout policies, we believe that investors use the book value per diluted common share adjusted for dividends metric to measure comparable performance across the industry.

In 2021, the increase in total value of $2.38, or 4%, was driven by the net income generated in the year, partially offset by a decrease in net unrealized investment gains recognized in other comprehensive income.

In 2020, the increase in total value of $0.95, or 2%, was driven by net unrealized investment gains recognized in other comprehensive income, partially offset by the net loss generated for the year.

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NON-GAAP FINANCIAL MEASURES RECONCILIATION

Years ended December 31,202120202019
Net income (loss) available (attributable) to common shareholders$588,359$(150,674)$282,361
Net investment gains(1)(134,279)(129,133)(91,233)
Foreign exchange losses (gains)(2)31581,069(12,041)
Reorganization expenses(3)7,88137,384
Interest in (income) loss of equity method investments(4)(32,084)3,612(9,718)
Income tax expense14,16613,0236,656
Operating income (loss)$436,477$(174,222)$213,409
Earnings (loss) per diluted common share (5)$6.90$(1.79)$3.34
Net investment gains(1.57)(1.53)(1.08)
Foreign exchange losses (gains)0.96(0.14)
Reorganization expenses0.090.44
Interest in (income) loss of equity method investments(0.38)0.04(0.12)
Income tax expense0.170.150.08
Operating income (loss) per diluted common share(5)$5.12$(2.08)$2.52
Weighted average diluted common shares outstanding(6)85,29184,26284,473
Average common shareholders' equity$4,803,175$4,757,351$4,512,040
Return on average common equity12.2%(3.2%)6.3%
Operating return on average common equity9.1%(3.7%)4.7%

(1)Tax expense (benefit) of $11 million, $18 million and $12 million for the years ended December 31, 2021, 2020 and 2019, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions, after consideration of other relevant factors including the ability to utilize capital losses.

(2)Tax expense (benefit) of $3 million, $(4) million and $1 million for the years ended December 31, 2021, 2020 and 2019, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions, after consideration of other relevant factors including the tax status of specific foreign exchange transactions.

(3)Tax (benefit) of $(1) million and $(7) million for the years ended December 31, 2020 and 2019, respectively. Tax impact is estimated by applying the statutory rates of applicable jurisdictions.

(4)Tax expense (benefit) of $nil for the years ended December 31, 2021, 2020 and 2019, respectively, Tax impact is estimated by applying the statutory rates of applicable jurisdictions.

(5)Loss per diluted common share and operating loss per diluted common share for the year ended December 31, 2020, were calculated using weighted average common shares outstanding due to the net loss attributable to common shareholders and the operating loss recognized in that year.

(6)Refer to Item 8, Note 13 to the Consolidated Financial Statements 'Earnings Per Common Share' for further details.

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Rationale for the Use of Non-GAAP Financial Measures

We present our results of operations in a way we believe will be meaningful and useful to investors, analysts, rating agencies and others who use our financial information to evaluate our performance. Some of the measurements we use are considered non-GAAP financial measures under SEC rules and regulations. In this Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A"), we present underwriting-related general and administrative expenses, consolidated underwriting income (loss), operating income (loss) (in total and on a per share basis), operating return on average common equity ("operating ROACE"), amounts presented on a constant currency basis and pre-tax total return on cash and investments excluding foreign exchange movements which are non-GAAP financial measures as defined in Item 10(e) of SEC Regulation S-K. We believe that these non-GAAP financial measures, which may be defined and calculated differently by other companies, help explain and enhance the understanding of our results of operations. However, these measures should not be viewed as a substitute for those determined in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP").

Underwriting-Related General and Administrative Expenses

Underwriting-related general and administrative expenses include those general and administrative expenses that are incremental and/or directly attributable to our underwriting operations. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

Corporate expenses include holding company costs necessary to support our worldwide insurance and reinsurance operations and costs associated with operating as a publicly-traded company. As these costs are not incremental and/or directly attributable to our underwriting operations, these costs are excluded from underwriting-related general and administrative expenses, and therefore, consolidated underwriting income (loss). General and administrative expenses, the most comparable GAAP financial measure to underwriting-related general and administrative expenses, also includes corporate expenses.

The reconciliation of underwriting-related general and administrative expenses to general and administrative expenses, the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Consolidated Underwriting Income (Loss)

Consolidated underwriting income (loss) is a pre-tax measure of underwriting profitability that takes into account net premiums earned and other insurance related income (loss) as revenues and net losses and loss expenses, acquisition costs and underwriting-related general and administrative expenses as expenses. While this measure is presented in Item 8, Note 3 to the Consolidated Financial Statements 'Segment Information', it is considered a non-GAAP financial measure when presented elsewhere on a consolidated basis.

We evaluate our underwriting results separately from the performance of our investment portfolio. As a result, we believe it is appropriate to exclude net investment income and net investment gains (losses) from our underwriting profitability measure.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on our net insurance-related liabilities. However, we manage our investment portfolio in such a way that unrealized and realized foreign exchange losses (gains) on our investment portfolio generally offset a large portion of the foreign exchange losses (gains) arising from our underwriting portfolio. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to our underwriting performance, therefore, foreign exchange losses (gains) are excluded from consolidated underwriting income (loss).

Interest expense and financing costs primarily relate to interest payable on our debt. As these expenses are not incremental and/or directly attributable to our underwriting operations, these expenses are excluded from underwriting-related general and administrative expenses, and therefore, consolidated underwriting income (loss).

Reorganization expenses are related to the transformation program which was launched in 2017. This program encompasses the integration of Novae, which commenced in the fourth quarter of 2017, the realignment of our accident and health business, together with other initiatives designed to increase efficiency and enhance profitability, while delivering a customer-centric operating model. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process, therefore, these expenses are excluded from consolidated underwriting income (loss).

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Amortization of intangible assets including value of business acquired ("VOBA") arose from business decisions, the nature and timing of which are not related to the underwriting process, therefore, these expenses are excluded from consolidated underwriting income (loss).

We believe that the presentation of underwriting-related general and administrative expenses and consolidated underwriting income (loss) provides investors with an enhanced understanding of our results of operations, by highlighting the underlying pre-tax profitability of our underwriting activities. The reconciliation of consolidated underwriting income (loss) to net income (loss), the most comparable GAAP financial measure, is presented in 'Management's Discussion and Analysis of Financial Condition and Results of Operations – Consolidated Results of Operations'.

Operating Income (Loss)

Operating income (loss) represents after-tax operational results exclusive of net investment gains (losses), foreign exchange losses (gains), reorganization expenses and interest in income (loss) of equity method investments.

Although the investment of premiums to generate income and investment gains (losses) is an integral part of our operations, the determination to realize investment gains (losses) is independent of the underwriting process and is heavily influenced by the availability of market opportunities. Furthermore, many users believe that the timing of the realization of investment gains (losses) is somewhat opportunistic for many companies.

Foreign exchange losses (gains) in our consolidated statements of operations primarily relate to the impact of foreign exchange rate movements on net insurance-related liabilities. In addition, we recognize unrealized foreign exchange losses (gains) on our equity securities and foreign exchange losses (gains) realized on the sale of our available for sale investments and equity securities in net investment gains (losses). We also recognize unrealized foreign exchange losses (gains) on our available for sale investments in other comprehensive income (loss). These unrealized foreign exchange losses (gains) generally offset a large portion of the foreign exchange losses (gains) reported in net income (loss), thereby minimizing the impact of foreign exchange rate movements on total shareholders' equity. As a result, we believe that foreign exchange losses (gains) in our consolidated statements of operations in isolation are not a meaningful contributor to the performance of our business, therefore, foreign exchange losses (gains) are excluded from consolidated operating income (loss)

Reorganization expenses are related to the transformation program which was launched in 2017. This program encompasses the integration of Novae, which commenced in the fourth quarter of 2017, the realignment of our accident and health business, together with other initiatives designed to increase efficiency and enhance profitability, while delivering a customer-centric operating model. Reorganization expenses are primarily driven by business decisions, the nature and timing of which are not related to the underwriting process, therefore, these expenses are excluded from operating income (loss).

Interest in income (loss) of equity method investments is primarily driven by business decisions, the nature and timing of which are not related to the underwriting process, therefore, this income (loss) is excluded from operating income (loss).

Certain users of our financial statements evaluate performance exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses, and interest in income (loss) of equity method investments to understand the profitability of recurring sources of income.

We believe that showing net income (loss) available (attributable) to common shareholders exclusive of after-tax net investment gains (losses), foreign exchange losses (gains), reorganization expenses and interest in income (loss) of equity method investments reflects the underlying fundamentals of our business. In addition, we believe that this presentation enables investors and other users of our financial information to analyze performance in a manner similar to how our management analyzes the underlying business performance. We also believe this measure follows industry practice and, therefore, facilitates comparison of our performance with our peer group. We believe that equity analysts and certain rating agencies that follow us, and the insurance industry as a whole, generally exclude these items from their analyses for the same reasons. The reconciliation of operating income (loss) to net income (loss) available (attributable) to common shareholders, the most comparable GAAP financial measure, is presented above.

We also present operating income (loss) per diluted common share and operating ROACE, which are derived from the operating income (loss) measure and are reconciled above to the most comparable GAAP financial measures, earnings (loss) per diluted common share and return on average common equity ("ROACE"), respectively.

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Constant Currency Basis

We present gross premiums written, net premiums written and net premiums earned on a constant currency basis in this MD&A. The amounts presented on a constant currency basis are calculated by applying the average foreign exchange rate from the current year to the prior year amounts. We believe this presentation enables investors and other users of our financial information to analyze growth in gross premiums written, net premiums written and net premiums earned on a constant basis. The reconciliation to gross premiums written, net premiums written and net premiums earned on a GAAP basis is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Results by Segment'.

Pre-Tax Total Return on Cash and Investments excluding Foreign Exchange Movements

Pre-tax total return on cash and investments excluding foreign exchange movements measures net investment income (loss), net investments gains (losses), interest in income (loss) of equity method investments, and change in unrealized gains (losses) generated by average cash and investment balances. We believe this presentation enables investors and other users of our financial information to analyze the performance of our investment portfolio. The reconciliation of pre-tax total return on cash and investments excluding foreign exchange movements to pre-tax total return on cash and investments, the most comparable GAAP financial measure, is presented in 'Management’s Discussion and Analysis of Financial Condition and Results of Operations – Net Investment Income and Net Investment Gains (Losses)'.

CASH AND INVESTMENTS

Details of cash and investments are as follows:

December 31, 2021December 31, 2020
Fair valueFair value
Fixed maturities, available for sale$12,313,200$12,041,799
Fixed maturities, held to maturity(1)445,033
Equity securities655,675518,445
Mortgage loans594,088593,290
Other investments947,982829,156
Equity method investments146,293114,209
Short-term investments31,063161,897
Total investments$15,133,334$14,258,796
Cash and cash equivalents(2)$1,317,690$1,503,232

(1)Presented at net carrying value of $446 million (2020: $nil) in the consolidated balance sheets.

(2)Includes restricted cash and cash equivalents of $473 million and $600 million for 2021 and 2020, respectively.

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Overview

The fair value of total investments increased by $875 million in 2021, driven by cash inflows from operations, partially offset by the decrease in market value of fixed maturities due to the increase in yields.

An analysis of our investment portfolio by asset class is detailed below:

Fixed Maturities

Details of our fixed maturities portfolio are as follows:

December 31, 2021December 31, 2020
Fair value% of totalFair value% of total
Fixed maturities:
U.S. government and agency$2,682,44821%$1,918,69916%
Non-U.S. government795,1786%671,2736%
Corporate debt4,532,88436%4,655,95139%
Agency RMBS1,074,5898%1,286,20911%
CMBS1,248,19110%1,353,58711%
Non-agency RMBS186,1641%140,1041%
ABS2,029,94116%1,720,07814%
Municipals(1)208,8382%295,8982%
Total$12,758,233100%$12,041,799100%
Credit ratings:
U.S. government and agency$2,682,44821%$1,918,69916%
AAA(2)4,491,64334%4,551,31237%
AA981,8378%913,7078%
A1,917,00615%1,896,40716%
BBB1,595,28513%1,732,05814%
Below BBB(3)1,090,0149%1,029,6169%
Total$12,758,233100%$12,041,799100%

(1)Includes bonds issued by states, municipalities, and political subdivisions.

(2)Includes U.S. government-sponsored agencies, residential mortgage-backed securities ("RMBS") and commercial mortgage-backed securities ("CMBS").

(3)Non-investment grade and non-rated securities.

At December 31, 2021, fixed maturities had a weighted average credit rating of AA- (2020: AA-), a book yield of 1.9% (2020: 2.3%), and an average duration of 3.0 years (2020: 3.3 years). At December 31, 2021, fixed maturities together with short-term investments and cash and cash equivalents (i.e. total investments of $14.1 billion), had a weighted average credit rating of AA- (2020: AA-) and an average duration of 2.8 years (2020: 3.0 years).

Our methodology for assigning credit ratings to fixed maturities is in line with the methodology used for the Barclays U.S. Aggregate Bond index. This methodology uses the midpoint of Standard & Poor's (S&P), Moody's and Fitch ratings. When ratings from only two of these agencies are available, the lower rating is used. When only one agency rates a security, that rating is used. When ratings provided by S&P, Moody's and Fitch are not available, ratings from other nationally recognized agencies are used.

To calculate the weighted average credit rating for fixed maturities, we assign points to each rating with the highest points assigned to the highest rating (AAA) and the lowest points assigned to the lowest rating (D) and then calculate the weighted average based on the fair values of the individual securities. Securities that are not rated are excluded from weighted average calculations. At December 31, 2021, the fair value of fixed maturities not rated was $18 million (2020: $50 million).

In addition to managing credit risk exposure within our fixed maturities portfolio we also monitor the aggregation of country risk exposure on a group-wide basis (refer to Item 1 'Risk and Capital Management' for further details). Country risk

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exposure is the risk that events in a country, such as currency crises, regulatory changes and other political events, will adversely affect the ability of obligors in the country to honor their obligations. For corporate debt and structured securities, we measure the country of risk exposure based on a number of factors including, but not limited to, location of management, principal operations and country of revenues.

An analysis of our fixed maturities portfolio by major asset classes is detailed below.

Non-U.S. Government

Non-U.S. government securities include bonds issued by non-U.S. governments and their agencies along with supranational organizations (collectively also known as sovereign debt securities).

Details of exposures to governments in the eurozone and other non-U.S. government concentrations by fair value are as follows:

December 31, 2021December 31, 2020
CountryFair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Eurozone countries:
Supranationals(1)$16,7992%AAA$19,7733%AAA
Netherlands10,0651%AA+14,4822%AA+
Germany5,0831%AAA3,6891%AAA
Austria2,317%AA+3,6291%AA+
France1,303%AA503%AA
Total eurozone35,5674%AA+42,0767%AA+
Other concentrations:
United Kingdom248,60131%AA-305,08345%AA-
Canada372,33347%AAA139,83421%AAA
Mexico19,8392%BBB21,4043%BBB
Other118,83816%AA+162,87624%AA
Total other concentrations759,61196%AAA629,19793%AA+
Total non-U.S. government$795,178100%AA$671,273100%AA-

(1)Includes supranationals only in the eurozone.

At December 31, 2021, net unrealized gains on non-U.S. government securities were $0.5 million (2020: $38 million) which included gross unrealized foreign exchange losses of $5 million (2020: $1 million), mainly related to U.K. government bonds.

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Corporate Debt

Corporate debt securities consist primarily of investment grade debt of a wide variety of corporate issuers and industries.

Details of our corporate debt securities portfolio by sector are as follows:

December 31, 2021December 31, 2020
Fair value% of totalWeighted average credit ratingFair value% of totalWeighted average credit rating
Financial institutions:
U.S. banking$821,65018%A$905,94419%A
Foreign banking383,3608%A274,4626%A+
Corporate/commercial finance380,5588%BBB-273,6826%BBB-
Insurance155,7353%A+135,8433%A+
Investment brokerage87,9232%A-62,3401%A-
Total financial institutions1,829,22639%A-1,652,27135%A-
Consumer non-cyclicals597,16313%BBB-660,51314%BBB
Consumer cyclical435,31410%BB463,95310%BB+
Communications406,7009%BB+427,2669%BBB-
Industrials390,6749%BB-424,5069%BB
Technology288,7546%BB+339,6667%BBB-
Utilities198,3874%BBB+181,6414%BBB+
Energy173,6064%BBB179,5704%BBB+
Other213,0606%A326,5658%A+
Total$4,532,884100%BBB$4,655,951100%BBB
Credit quality summary:
Investment grade$3,501,37077%A-$3,720,55880%A-
Non-investment grade1,031,51423%B935,39320%B
Total$4,532,884100%BBB$4,655,951100%BBB

At December 31, 2021, our non-investment grade portfolio had a fair value of $1,032 million (2020: $935 million), a weighted average credit rating of B (2020: B) and duration of 1.7 years (2020: 2.0 years). At December 31, 2021, our corporate debt portfolio, including non-investment grade securities, had a duration of 3.7 years (2020: 3.7 years).

Mortgage-Backed Securities

Details of the fair values of our RMBS and CMBS portfolios by credit rating are as follows:

December 31, 2021December 31, 2020
RMBSCMBSRMBSCMBS
Government agency$1,074,589$83,936$1,286,209$311,698
AAA166,5531,069,276109,903972,222
AA3,60189,8138,37864,459
A9,9365,1667,1011,608
BBB6216772,375
Below BBB(1)5,45314,0451,225
Total$1,260,753$1,248,191$1,426,313$1,353,587

(1)Non-investment grade securities.

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Residential MBS

Agency RMBS consist of bonds issued by the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and the Government National Mortgage Association which are primarily AAA rated and are supported by loans which are diversified across geographical areas. At December 31, 2021, agency RMBS had an average duration of 4.4 years (2020: 3.2 years).

Non-agency RMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2021, approximately 91% (2020: 84%) of our non-agency RMBS were rated AA or better. At December 31, 2021, non-agency RMBS had an average duration of 2.1 years (2020: 1.5 years) and weighted average life of 4.8 years (2020: 4.7 years).

Commercial MBS

CMBS mainly include investment grade bonds originated by non-agencies. At December 31, 2021, approximately 99% (2020: 99%) of our CMBS were rated AA or better. At December 31, 2021, the weighted average estimated subordination percentage of the portfolio was 37% (2020: 29%), which represents the current weighted average estimated percentage of the capital structure subordinated to the investment holding that is available to absorb losses before the security incurs the first dollar loss of principal. At December 31, 2021, CMBS had an average duration of 3.1 years (2020: 4.8 years) and weighted average life of 4.0 years (2020: 5.5 years).

Asset-Backed Securities

ABS mainly include investment grade bonds backed by pools of loans with a variety of underlying collateral, including auto loans, student loans, credit card receivables and collateralized loan obligations ("CLOs") originated by a variety of financial institutions.

Details of the fair value of our ABS portfolio by underlying collateral and credit rating are as follows:

Asset-backed securities
AAAAAABBBBelow BBBTotal
At December 31, 2021
CLO - debt tranches$953,731$251,204$73,595$33,343$31,707$1,343,580
Auto245,6534,938250,591
Student loan149,8015,1662,476157,443
Credit card12,97712,977
Other224,34811,89323,3115,394404265,350
Total$1,586,510$273,201$99,382$38,737$32,111$2,029,941
% of total78%13%5%2%2%100%
At December 31, 2020
CLO - debt tranches$820,870$55,107$48,269$46,150$75,954$1,046,350
Auto278,964278,964
Student loan113,2947,513120,807
Credit card10,25410,254
Other214,74915,74417,07515,641494263,703
Total$1,438,131$78,364$65,344$61,791$76,448$1,720,078
% of total84%5%4%4%3%100%

At December 31, 2021, the average duration our ABS portfolio was 0.7 years (2020: 0.9 years) and the weighted average life was 4.1 years (2020: 3.6 years).

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Municipals

Municipals comprise revenue bonds and general obligation bonds issued by U.S. domiciled state and municipal entities and are primarily held in the taxable portfolios of our U.S. subsidiaries.

Details of the fair value of our municipals portfolio by state and between Revenue bonds and General Obligation bonds are as follows:

General ObligationRevenueTotal% of total fair valueGross unrealized gainsGross unrealized lossesWeighted average credit rating
At December 31, 2021
New York$798$31,900$32,69816%$1,416$(2)AA+
California2,47243,94546,41722%1,118(223)A+
Texas9,32716,58725,91412%677(238)AA
Massachusetts12,5112,57715,0887%403(5)AA
Michigan14,89414,8947%460(31)AA-
Other7,61266,21573,82736%1,854(147)A+
$32,720$176,118$208,838100%$5,928$(646)AA-
At December 31, 2020
New York$18,346$39,597$57,94320%$3,287$AA
California8,04133,34041,38114%1,881(2)AA-
Texas8,88425,19334,07712%1,635AA
Massachusetts21,09010,84231,93211%700AA+
Michigan15,41315,4135%948AA-
Other20,42694,726115,15238%4,697(29)A+
$76,787$219,111$295,898100%$13,148$(31)AA-

General Obligation bonds are backed by the full faith and credit of the authority that issued the debt and are secured by the taxing powers of those authorities. Revenue bonds are backed by the revenue stream generated by the services provided by the issuer (e.g. sewer, water or utility projects). As issuers of revenue bonds do not have the ability to draw from tax revenues or levy taxes to fund obligations, revenue bonds may carry a greater risk of default than General Obligation bonds. At December 31, 2021, 97% (2020: 75%) of municipals are taxable with the remainder being tax exempt.

Gross Unrealized Losses

At December 31, 2021, the gross unrealized losses on our fixed maturities portfolio were $94 million (2020: $19 million).

The severity of the unrealized loss position as a percentage of amortized cost for all investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2021December 31, 2020
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$6,172,912$(83,380)96%$1,212,074$(9,553)87%
10-20%10,127(1,639)2%6,102(726)7%
20-30%3,576(1,138)1%2,374(626)6%
30-40%1,188(539)1%%
40-50%%%
50%6(25)%%
Total$6,187,809$(86,721)100%$1,220,550$(10,905)100%

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The increase in gross unrealized losses on investment grade fixed maturities reflected the impact of the increase in yields and the widening of credit spreads on investment grade corporate debt securities.

The severity of the unrealized loss position as a percentage of amortized cost for all non-investment grade fixed maturities in an unrealized loss position including any impact of foreign exchange losses (gains) was as follows:

December 31, 2021December 31, 2020
Severity of Unrealized LossFair valueGross unrealized losses% of total gross unrealized lossesFair valueGross unrealized losses% of total gross unrealized losses
0-10%$396,033$(6,493)85%$220,424$(4,833)60%
10-20%3,085(448)6%14,068(1,889)24%
20-30%209(38)1%258(87)1%
30-40%%1,279(799)10%
40-50%267(194)3%88(1)%
50%427(352)5%346(397)5%
Total$400,021$(7,525)100%$236,463$(8,006)100%

The decrease in gross unrealized losses on non-investment grade fixed maturities reflected the impact of the tightening of credit spreads on non-investment grade high yield corporate debt securities.

Equity Securities

At December 31, 2021, net unrealized gains on equity securities were $127 million (2020: $97 million). The increase was due to improved performance of global equity markets.

Mortgage Loans

During 2021, investment in commercial mortgage loans increased to $594 million from $593 million, an increase of $1 million. The commercial mortgage loans are high quality and collateralized by a variety of commercial properties and are diversified geographically throughout the U.S. and by property type to reduce the risk of concentration. At December 31, 2021 and 2020, there were no credit losses or past due amounts associated with our commercial mortgage loans portfolio.

Other Investments

Details of our other investments portfolio are as follows:

December 31, 2021December 31, 2020
Hedge funds
Long/short equity funds$3,476%$25,3003%
Multi-strategy funds56,0126%121,42015%
Total hedge funds59,4886%146,72018%
Direct lending funds289,86731%272,13133%
Private equity funds249,97426%124,70615%
Real estate funds238,22225%164,25020%
Total hedge, direct lending, private equity and real estate funds837,55188%707,80786%
CLO-Equities5,9101%6,1731%
Other privately held investments104,52111%70,0118%
Overseas deposits%45,1655%
Total other investments$947,982100%$829,156100%

Refer to Item 8, Note 5(c) to the Consolidated Financial Statements 'Investments'.

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Equity Method Investments

In our consolidated results, our ownership interest in Harrington Reinsurance Holdings Limited ("Harrington") is reported in interest in income (loss) of equity method investments. Interest in income (loss) of equity method investments was $32 million in 2021, compared to $(4) million in 2020. The increase was attributable to positive investment returns realized by Harrington.

Restricted Assets

Refer to Item 8, Note 5(g) to the Consolidated Financial Statements 'Investments'.

LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Liquidity is a measure of a company’s ability to generate cash flows sufficient to meet the short-term and long-term cash requirements of its business operations. We manage liquidity at the holding company and operating subsidiary level.

Holding Company

As a holding company, AXIS Capital has no operations of its own and its assets consist primarily of investments in its subsidiaries. Accordingly, AXIS Capital’s future cash flows depend on the availability of dividends or other statutorily permissible distributions, such as returns of capital, from its subsidiaries. The ability to pay such dividends and/or distributions is limited by the applicable laws and regulations of the various countries and states in which AXIS Capital’s subsidiaries operate (refer to Item 8, Note 21 to the Consolidated Financial Statements 'Statutory Financial Information' for further details), as well as the need to maintain capital levels to adequately support insurance and reinsurance operations, and to preserve financial strength ratings issued by independent rating agencies. During 2021, AXIS Capital received $300 million (2020: $350 million) of distributions from its subsidiaries. AXIS Capital’s primary uses of funds are dividend payments to common and preferred shareholders, interest and principal payments on debt, capital investments in subsidiaries, and payment of corporate operating expenses. We believe the dividend/distribution capacity of AXIS Capital’s subsidiaries, which was $0.9 billion at December 31, 2021, will provide AXIS Capital with sufficient liquidity for the foreseeable future.

Operating Subsidiaries

AXIS Capital’s operating subsidiaries primarily derive cash from the net inflow of premiums less claim payments related to underwriting activities and from net investment income. Historically, these cash receipts have been sufficient to fund the operating expenses of these subsidiaries, as well as to fund dividend payments to AXIS Capital. The subsidiaries’ remaining cash flows are generally invested in our investment portfolio. The remaining cash flows have also been used to fund common share repurchases and to fund acquisitions in recent years.

The insurance and reinsurance business of our operating subsidiaries inherently provide liquidity, as premiums are received in advance (sometimes substantially in advance) of the time losses are paid. However, the amount of cash required to fund loss payments can fluctuate significantly from period to period, due to the low frequency/high severity nature of certain types of business we write.

Consolidated cash flows from operating, investing and financing activities in the last three years were as follows:

Total cash provided by (used in)(1)202120202019
Operating activities$1,114,822$343,503$199,004
Investing activities(1,114,195)489,921(774,315)
Financing activities(186,095)(908,803)277,510
Effect of exchange rate changes on cash(74)2,15444,238
Decrease in cash and cash equivalents$(185,542)$(73,225)$(253,563)

(1)    Refer to Item 8, 'Consolidated Statements of Cash Flows' for further details.

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•Net cash provided by operating activities was $1,115 million in 2021 compared to $344 million in 2020. Cash inflows from insurance and reinsurance operations typically include premiums, net of acquisition costs, and reinsurance recoverables. Cash outflows principally include payments of losses and loss expenses, payments of premiums to reinsurers and operating expenses. Cash provided by operating activities can fluctuate due to timing differences between the collection of premiums and reinsurance recoverables and the payment of losses and loss expenses, and the payment of premiums to reinsurers. Operating cash inflows increased in 2021 compared to 2020, primarily attributable to an increase in premiums received, a decrease in payments of losses and loss expenses, partially offset by a decrease in interest and dividends received from our fixed maturity securities portfolio, an increase in income taxes paid and an increase in operating expenses.

•Investing cash outflows in 2021 principally related to the net purchases of fixed maturities of $1,154 million and equity securities of $112 million, partially offset by the net proceeds from the sale and redemption of short-term investments of $130 million, and the net proceeds from the sale of other investments of $61 million. Investing cash inflows in 2020 principally related to the net proceeds from the sale and redemption of fixed maturities of $816 million, partially offset by net purchases of mortgage loans of $160 million and short-term investments of $123 million.

•Financing cash outflows in 2021 were principally due to dividends paid to common and preferred shareholders of $176 million. In 2020, financing cash outflows were principally due to the repayment of $500 million 5.875% Senior Notes, the redemption of $225 million Series D preferred shares and dividends paid to common and preferred shareholders of $173 million. The declaration and payment of future dividends and share repurchases is at the discretion of our Board of Directors and will depend on many factors including, but not limited to, our net income, financial condition giving due consideration to the impact of the COVID-19 pandemic, business needs, capital and surplus requirements of our operating subsidiaries and regulatory and contractual restrictions, including those set forth in our credit facilities (refer to 'Capital Resources – Share Repurchases' below for further details).

We have generated positive operating cash flows in all years since 2003, with the exception of 2009 which was impacted by the global financial crisis. These positive cash flows were generated even with the recognition of significant catastrophe and weather-related losses including the impact of the COVID-19 pandemic in 2020 and 2021.

Net losses and loss expenses, gross of reinstatement premiums, included estimates of ultimate losses for catastrophe and weather-related losses of $450 million in 2021, $773 million in 2020 and $351 million in 2019. There remains significant uncertainty associated with estimates of ultimate losses for certain of these events (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details), as well as the timing of the associated cash outflows.

Should claim payment obligations accelerate beyond our ability to fund payments from operating cash flows, we would utilize cash and cash equivalent balances and/or liquidate a portion of our investment portfolio. Our investment portfolio is heavily weighted towards conservative, high quality and highly liquid securities. We expect that, if necessary, approximately $13.3 billion of cash and invested assets at December 31, 2021 could be available in one to three business days under normal market conditions; of this amount, $5.4 billion related to restricted assets, which primarily support our obligations in regulatory jurisdictions where we operate as a non-admitted carrier (refer to Item 8, Note 5(g) to the Consolidated Financial Statements 'Investments' for further details). For context, at January 1, 2022. our largest 1-in-250 year return period, single occurrence, single-zone modeled probable maximum loss (Southeast U.S. Hurricane) was approximately $0.3 billion, net of reinsurance. Claim payments pertaining to such an event would be paid out over a period spanning many months. Our internal risk tolerance framework aims to limit the loss of capital due to a single event, and the loss of capital that would occur from multiple but perhaps smaller events, in any year (refer to Item 1 'Risk and Capital Management' for further details).

We expect that cash flows generated from operations, combined with the liquidity provided by our investment portfolio, to be sufficient to cover required cash outflows and other contractual commitments through the foreseeable future (refer to 'Contractual Obligations and Commitments' below for further details).

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Capital Resources

In addition to common equity, we have utilized other external sources of financing, including debt, preferred shares, and letter of credit facilities to support our business operations. We believe that we hold sufficient capital to allow us to take advantage of market opportunities and to maintain our financial strength ratings, as well as to comply with various local statutory regulations. We monitor capital adequacy on a regular basis and will seek to adjust our capital base according to the needs of our business (refer to Item 1 'Risk and Capital Management' for further details).

The following table summarizes consolidated capital:

At December 31,20212020
Debt$1,310,975$1,309,695
Preferred shares550,000550,000
Common equity4,860,6564,745,694
Shareholders’ equity5,410,6565,295,694
Total capital$6,721,631$6,605,389
Ratio of debt to total capital19.5%19.8%
Ratio of debt and preferred equity to total capital27.7%28.2%

We finance our operations with a combination of debt and equity capital. Debt to total capital, and debt and preferred equity to total capital ratios, provide an indication of our capital structure, along with some insight into our financial strength.

While the impact of catastrophe and weather-related losses have reduced common shareholders' equity, we believe that our financial flexibility remains strong, and adjustments are made if there are developments that are different from previous expectations.

Debt

Debt represents the 5.150% Senior Notes issued in 2014, which will mature in 2045, the 4.000% Senior Notes issued in 2017, which will mature in 2027, the 3.900% Senior Notes issued in 2019, which will mature in 2029, and the 4.900% Junior Subordinated Notes issued in 2019, which will mature in 2040 (refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

The 3.900% Senior Notes and the 4.900% Junior Subordinated Notes were issued to finance the repayment of $500 million aggregate principal amount of 5.875% Senior Notes that matured in June 2020 and to finance the redemption of Series D preferred shares on January 17, 2020 (refer to 'Preferred Shares' below for further details).

Preferred Shares

Series D Preferred Shares

On May 20, 2013, we issued $225 million of 5.50% Series D preferred shares with a liquidation preference of $25.00 per share. Dividends on the Series D preferred shares were non-cumulative. To the extent declared, dividends accumulated, with respect to each dividend period, in an amount per share equal to 5.50% of the liquidation preference per annum. On January 17, 2020, we redeemed all outstanding Series D preferred shares, for an aggregate liquidation preference of $225 million (refer to Item 8, Note 14 to the Consolidated Financial Statements 'Shareholders' Equity' for further details).

Series E Preferred Shares

On November 7, 2016, we issued $550 million of 5.50% Series E preferred shares with a liquidation preference of $2,500 per share (equivalent to $25 per depositary share). Dividends on the Series E preferred shares are non-cumulative. To the extent declared, dividends accumulate, with respect to each dividend period, in an amount per share equal to 5.50% of the liquidation preference per annum (equivalent to $137.50 per Series E preferred share and $1.375 per depositary share). We may redeem these shares on or after November 7, 2021 at a redemption price of $2,500 per Series E preferred share (equivalent to $25 per depositary share).

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Secured Letter of Credit Facilities

We routinely enter into agreements with financial institutions to obtain secured letter of credit facilities. These facilities are primarily used for the issuance of letters of credit, in the normal course of operations, to certain insurance and reinsurance entities that purchase reinsurance protection from us. These letters of credit allow those operations to take credit, under local insurance regulations, for reinsurance obtained in jurisdictions where AXIS Capital’s subsidiaries are not licensed or otherwise admitted as an insurer. The value of our letters of credit outstanding is driven by, among other factors, the amount of unearned premiums, development of loss reserves, the payment patterns of loss reserves, the expansion of our business and the loss experience of that business. A portion of these facilities may also be used for liquidity purposes.

On November 20, 2013, certain of AXIS Capital’s operating subsidiaries (the "Participating Subsidiaries") entered into an amendment to extend the term of its secured $750 million letter of credit facility with Citibank Europe plc ("Citibank") (the "$750 million Facility").

On March 31, 2015, the Participating Subsidiaries entered into an amendment to reduce the maximum aggregate utilization capacity of the $750 million Facility to $500 million (the "$500 million Facility"). All other material terms and conditions remained unchanged.

On March 27, 2017, the Participating Subsidiaries amended their existing $500 million Facility to include an additional $250 million of secured letter of credit capacity (the "$250 million Facility"). Under the terms of the amended $750 million Facility, letters of credit to a maximum aggregate amount of $250 million are available for issuance on behalf of the Participating Subsidiaries once the $500 million Facility has been fully utilized.

On December 24, 2019, the expiration date of the $500 million Facility was extended to December 31, 2023.

On March 28, 2020, the expiration date of the $250 million Facility was extended to March 31, 2021.

On March 31, 2021, the Participating Subsidiaries amended their existing secured $750 million Facility to extend the expiration date of the $250 million Facility to March 31, 2022, to reduce the utilization capacity available under the $250 million Facility to $150 million, and to make administrative changes to the remaining $500 million Facility.

At December 31, 2021, letters of credit outstanding were $356 million (refer to Item 8, Note 10 to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details).

Common Equity

During the year ended December 31, 2021, common equity increased by $115 million. The following table reconciles opening and closing common equity positions:

Year ended December 31,20212020
Common equity - opening$4,745,694$4,769,008
Net income (loss)618,609(120,424)
Change in unrealized gains on available for sale investments, net of tax(358,480)239,114
Share repurchases(10,242)(10,382)
Common share dividends(147,221)(142,405)
Preferred share dividends(30,250)(30,250)
Share-based compensation expense40,78035,574
Foreign currency translation adjustment6213,571
Other1,1451,888
Common equity - closing$4,860,656$4,745,694

Share Repurchases

During 2021, we repurchased 205,000 common shares from employees to facilitate the satisfaction of their personal withholding tax liabilities that arise on vesting of share-settled restricted stock units granted under our 2017 Long-Term Equity Compensation Plans for a total cost of $10 million.

On December 2, 2021, the Company's Board of Directors authorized a new share repurchase plan for up to $100 million of the Company's common shares through December 31, 2022. The new plan is effective January 1, 2022.

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Shelf Registrations

On November 19, 2019, we filed an unallocated universal shelf registration statement with the SEC, which became effective on filing. Pursuant to the shelf registration, we may issue an unlimited amount of equity, debt, warrants, purchase contracts or a combination of these securities. Our intent and ability to issue securities pursuant to this registration statement will depend on market conditions at the time of any proposed offering.

Financial Strength Ratings

Our principal insurance and reinsurance operating subsidiaries are assigned financial strength ratings from internationally recognized rating agencies, including Standard & Poor’s, A.M. Best, and Moody’s Investors Service. These ratings are publicly announced and are available directly from the agencies, and on our website.

Financial strength ratings represent the opinions of the rating agencies on the overall financial strength of a company and its capacity to meet the obligations of its insurance and reinsurance contracts. Independent ratings are one of the important factors that establish a competitive position in insurance and reinsurance markets. The rating agencies consider many factors in determining the financial strength rating of an insurance company, including the relative level of statutory surplus necessary to support the business operations of the company. These ratings are based on factors considered by the rating agencies to be relevant to policyholders, agents and intermediaries and are not directed toward the protection of investors. Ratings are not recommendations to buy, sell or hold securities.

The following are the most recent financial strength ratings from internationally recognized agencies in relation to our principal insurance and insurance operating subsidiaries:

Rating agencyAgency’s description of ratingRating and outlookAgency’s rating definitionRanking of rating
Standard & Poor’sAn "opinion about the financial security characteristics of an insurance organization, with respect to its ability to pay under its insurance policies and contracts, in accordance with their terms".A+(Negative) (1)"Strong capacity to meet its financial commitments"The 'A' category is the third highest out of ten major rating categories. The second through eighth major rating categories may be modified by the addition of a plus or minus sign to show relative standing within the major rating categories.
A.M. BestAn "opinion of an insurer’s financial strength and ability to meet its ongoing insurance policy and contract obligations".A(Stable) (2)"Excellent ability to meet ongoing insurance obligations"The 'A' category is the third highest rating out of fourteen. Ratings outlooks ('Positive', 'Negative' and 'Stable') are assigned to indicate a rating’s potential direction over an intermediate term, generally defined as 36 months.
Moody’s Investors Service"Opinions of the ability of insurance companies to pay punctually senior policyholder claims and obligations."A2(Negative) (3)"Offers good financial security"The 'A' category is the third highest out of nine rating categories. Each of the second through seventh categories are subdivided into three subcategories, as indicated by an appended numerical modifier of '1', '2' and '3'. The '1' modifier indicates that the obligation ranks in the higher end of the rating category, the '2' modifier indicates a mid-category ranking and the '3' modifier indicates a ranking in the lower end of the rating category.

(1)    On May 11, 2020, Standard & Poor's revised its outlook from stable to negative due to unfavorable trends in operating performance.

(2)    On May 5, 2020, A.M. Best revised its rating and outlook from A+ and negative to A and stable, respectively. The revised rating was based on unfavorable trends in operating performance over the past five years, particularly emanating from the insurance segment. The revised outlook continues to reflect our strong balance sheet, favorable business profile and appropriate risk management practices.

(3)    In April 2019, Moody's Investor Service revised its outlook from stable to negative reflecting higher operational and financial leverage and lower capitalization relative to peers.

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Contractual Obligations and Commitments

At December 31, 2021, contractual obligations and commitments by period due were:

Payment due by period
Contractual obligations and commitmentsTotalLess than 1 year1-3 years3-5 yearsMore than 5 years
Operating activities
Estimated gross losses and loss expenses payments(1)$14,653,094$3,771,770$4,943,342$2,580,024$3,357,958
Operating lease obligations(2)119,51218,65326,17618,39356,290
Investing activities
Unfunded investment commitments(3)700,229265,910182,956120,937130,426
Financing activities
Debt (principal payments)(4)1,325,0001,325,000
Debt (interest payments)(4)(5)652,05060,739121,665121,934347,712
Total$17,449,885$4,117,072$5,274,139$2,841,288$5,217,386

(1)We are obligated to pay claims for specified loss events covered by the insurance and reinsurance contracts that we write. Loss payments represent our most significant future payment obligation. In contrast to our other contractual obligations, cash payments are not determinable from the terms specified within the underlying contracts. Our best estimate of reserve for losses and loss expenses is reflected in the table above. Actual amounts and timing may differ materially from our best estimate (refer to ‘Critical Accounting Estimates – Reserve for Losses and Loss Expenses’ for further details). We have not taken into account corresponding reinsurance recoverable on unpaid amounts that would be due to us.

(2)In the ordinary course of business, we renew and enter into new leases for office space which expire at various dates (refer to Item 8, Note 12 to the Consolidated Financial Statements 'Leases' for further details).

(3)We have $649 million of unfunded investment commitments related to our other investments portfolio, which are callable by our investment managers (refer to Item 8, Note 5(c) to the Consolidated Financial Statements 'Investments' for further details). In addition, we have $33 million of unfunded commitments related to our commercial mortgage loans portfolio and $19 million of unfunded commitments related to our corporate debt portfolio.

(4)Refer to Item 8, Note 10(a) to the Consolidated Financial Statements 'Debt and Financing Arrangements' for further details.

(5)Debt (interest payments) includes $14 million of unamortized discount and debt issuance expenses.

CRITICAL ACCOUNTING ESTIMATES

The consolidated financial statements include certain amounts that are inherently uncertain and judgmental in nature. As a result, we are required to make assumptions and best estimates in order to determine the reported values. We consider an accounting estimate to be critical if: (1) it requires that significant assumptions be made in order to deal with uncertainties and (2) changes in the estimate could have a material impact on our results of operations, financial condition or liquidity.

We believe that the material items requiring such subjective and complex estimates are:

•reserves for losses and loss expenses;

•reinsurance recoverable on unpaid losses and loss expenses, including the allowance for expected credit losses;

•gross premiums written and net premiums earned;

•fair value measurements of financial assets and liabilities; and

•the allowance for credit losses associated with fixed maturities, available for sale.

Significant accounting policies are also important to understanding the consolidated financial statements (refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details).

We believe that the amounts included in the consolidated financial statements reflect management's best judgment. However, factors such as those described in Item 1A 'Risk Factors' could cause actual events or results to differ materially from the underlying assumptions and estimates which could lead to a material adverse impact on our results of operations, financial condition or liquidity.

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Reserve for Losses and Loss Expenses

Overview

We believe the most significant accounting judgment we make is the estimate of reserve for losses and loss expenses ("loss reserves"). Loss reserves represent management’s estimate of the unpaid portion of our ultimate liability for losses and loss expenses ("ultimate losses") for insured and reinsured events that have occurred at or before the balance sheet date. Loss reserves reflect claims that have been reported ("case reserves") to us and claims that have been incurred but not reported ("IBNR") to us. Loss reserves represent our best estimate of what the ultimate settlement and administration of claims will cost, based on our assessment of facts and circumstances known at that particular point in time.

Loss reserves are not an exact calculation of the liability but instead, are complex estimates. The process of estimating loss reserves involves a number of variables (refer to 'Selection of Reported Reserves – Management's Best Estimate' below for further details). We review estimates of loss reserves each reporting period and consider all significant facts and circumstances known at that particular point in time. As additional experience and other data become available and/or laws and legal interpretations change, we may adjust previous estimates of loss reserves. Adjustments are recognized in the period in which they are determined, therefore they can impact that period's underwriting results either favorably (indicating that current estimates are lower than previous estimates) or adversely (indicating that current estimates are higher than previous estimates).

Case Reserves

With respect to insurance business, we are generally notified of losses by our insureds and/or their brokers. Based on this information, our claims personnel estimate ultimate losses arising from the claim, including the cost of administering the claims settlement process. These estimates reflect the judgment of our claims personnel based on general reserving practices, the experience and knowledge of such personnel regarding the nature of the specific claim and, where appropriate, the advice of legal counsel, loss adjusters and other relevant consultants.

With respect to reinsurance business, we are generally notified of losses by ceding companies and/or their brokers. For excess of loss contracts, we are typically notified of insured losses on specific contracts and record a case reserve for the estimated ultimate liability arising from the claim. For contracts written on a proportional basis, we typically receive aggregated claims information and record a case reserve for the estimated ultimate liability arising from the claim based on that information. Proportional reinsurance contracts typically require that losses in excess of pre-defined amounts be separately notified so we can adequately evaluate them. Our claims department evaluates each specific loss notification we receive and records additional case reserves when a ceding company’s reserve for a claim is not considered adequate. We also undertake an extensive program of cedant audits, using outsourced legal and industry experience where necessary. This allows us to review cedants’ claims administration practices to ensure that reserves are consistent with exposures, adequately established, and properly reported in a timely manner.

IBNR

The estimation of IBNR is necessary due to potential development on reported claims and the time lag between when a loss event occurs and when it is actually reported, which is referred to as a reporting lag. Reporting lags may arise from a number of factors, including but not limited to, the nature of the loss, the use of intermediaries and complexities in the claims adjusting process. As we do not have specific information on IBNR, it must be estimated. IBNR is calculated by deducting incurred losses (i.e. paid losses and case reserves) from management’s best estimate of ultimate losses. In contrast to case reserves, which are established at the contract level, IBNR reserves are generally estimated at an aggregate level and cannot be identified as reserves for a particular loss event or contract (refer to 'Reserving for Significant Catastrophic Events' below for further details).

Reserving Methodology

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Sources of Information' for a description of the collection and analysis of data used in our quarterly loss reserving process;

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Actuarial Analysis' for a description of the reserve estimation methods, Expected Loss Ratio Method ("ELR Method"), Loss Development Method (also referred to as the "Chain Ladder Method" or "Link Ratio Method") and Bornhuetter-Ferguson Method ("BF Method") which are commonly employed by our actuaries together with a discussion of their strengths and weaknesses.

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Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Key Actuarial Assumptions which notes that the most significant assumptions used in our quarterly loss reserving process are expected loss ratios ("ELRs) and loss development patterns and that the weight given to our experience differs for each of the three claim tail classes (refer to 'Claim Tail Analysis' below for further details).

Claim Tail Analysis

Gross loss reserves for each of the reportable segments, segregated between case reserves and IBNR, by reserve class are shown below:

20212020
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property and other$612,611$530,369$1,142,980$704,107$642,413$1,346,520
Marine258,758365,472624,230221,243317,869539,112
Aviation127,54538,228165,773132,61338,018170,631
Credit and political risk(1)(105,469)146,17540,7068,917152,134161,051
Professional lines1,003,6602,577,0213,580,681801,5652,279,7123,081,277
Liability408,4431,840,7162,249,159376,4861,635,4212,011,907
Total Insurance2,305,5485,497,9817,803,5292,244,9315,065,5677,310,498
Reinsurance segment:
Property and other1,191,9091,042,7322,234,6411,086,2651,027,3162,113,581
Credit and surety134,616170,024304,640149,778157,196306,974
Professional lines559,204670,3051,229,509516,011673,0821,189,093
Motor737,097486,9781,224,075809,389540,6231,350,012
Liability611,5971,245,1031,856,700525,5261,131,0821,656,608
Total Reinsurance3,234,4233,615,1426,849,5653,086,9693,529,2996,616,268
Total$5,539,971$9,113,123$14,653,094$5,331,900$8,594,866$13,926,766

(1)During 2021, significant gross claims associated with certain political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(128) million (2020: $(15) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(56) million (2020: $12 million). Refer to Reserving for Credit and Political Risk Business below for further details.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Sources of Information' for the mapping of our lines of business to reserve classes and expected claim tails.

In order to capture the key dynamics of loss reserve development and potential volatility, reserve classes should be considered according to their potential expected length of loss emergence and settlement, generally referred to as the "tail". We consider our business to consist of three claim tail classes, short-tail, medium-tail and long-tail. Favorable development on prior accident year reserves indicates that current estimates are lower than previous estimates, while adverse development on prior accident year reserves indicates that current estimates are higher than previous estimates. Below is a discussion of the specifics of our loss reserve process as it applies to each claim tail class.

Short-tail Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Claim Tail Analysis' for details of the reserve classes included in short-tail business and the associated key actuarial assumptions.

Although estimates of ultimate losses for short-tail business are inherently more certain than for medium and long-tail business, significant judgment is still required. For example, much of our excess insurance and excess of loss reinsurance business has high attachment points, therefore, it is often difficult to estimate whether claims will exceed those attachment points. In addition, the inherent uncertainties relating to catastrophe events further add to the complexity of estimating potential exposure. Further, we use managing general agents ("MGAs") and other producers for certain business in the insurance segment which can delay the reporting of loss information. We expect the majority of development for an accident year or underwriting year to be recognized in the subsequent one to three years.

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Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a detailed discussion of prior year reserve development by line of business and see further details below.

Medium-tail Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Claim Tail Analysis' for details of the reserve classes included in medium-tail business and the associated key actuarial assumptions.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a detailed discussion of prior year reserve development by line of business.

Refer to 'Reserving for Credit and Political Risk Business' below for a detailed discussion of specific loss reserve issues related to the credit and political risk line of business.

Long-tail Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Claim Tail Analysis' for details of the reserve classes included in long-tail business and the associated key actuarial assumptions.

Factors that contribute additional uncertainty to estimates for long-tail business include, but are not limited to:

•more significant weight given to industry benchmarks in forming our key actuarial assumptions;

•potential volatility of actuarial estimates, given the number of years of development it takes to produce a meaningful incurred loss as a percentage of ultimate losses;

•inherent uncertainties about loss trends, claims inflation (e.g. medical, judicial, social) and general economic conditions; and

•the possibility of future litigation, legislative or judicial change that may impact future loss experience relative to the prior industry loss experience relied on in reserve estimation.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for a detailed discussion of prior year reserve development by line of business and see further details below.

Reserving for Credit and Political Risk Business

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – 'Net incurred and Paid Claims Development Tables by Accident Year – Insurance segment – Insurance Credit and Political Risk' for details of the lines of business included in this reserve class and the associated key actuarial assumptions.

An important and distinguishing feature of many of these contracts is the contractual right, subsequent to payment of a claim to an insured, to be subrogated to, or otherwise have an interest in, the insured’s rights of recovery under an insured loan or facility agreement. These estimated recoveries are recorded as an offset to credit and political risk gross loss reserves. The lag between the date of a claim payment and the ultimate recovery from the corresponding security can result in negative case reserves at a point in time. During 2021, significant gross claims associated with certain political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(128) million (2020: $(15) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(56) million (2020: $12 million). Refer to 'Critical Accounting Estimates – Reinsurance Recoverable on Unpaid Losses and Loss Expenses' for further details.

The nature of the underlying collateral is specific to each transaction therefore we estimate the value of this collateral on a contract-by-contract basis. This valuation process is inherently subjective and involves the application of management’s judgment because active markets for the collateral often do not exist. Estimates of values are based on numerous inputs, including information provided by our insureds, as well as third-party sources including rating agencies, asset valuation specialists and other publicly available information. We also assess any post-event circumstances, including restructurings, liquidations and possession of asset proposals/agreements.

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In some instances, on becoming aware of a loss event related to credit and political risk business, we negotiate a final settlement of all of our policy liabilities for a fixed amount. In most circumstances, this occurs when the insured moves to realize the benefit of the collateral that underlies the insured loan or facility and presents us with a net settlement proposal that represents a full and final payment by us under the terms of the policy. In consideration for this payment, we secure a cancellation of the policy, or a release of all claims, and waive our right to pursue a recovery of these settlement payments against the collateral that may have been available to us under the insured loan or facility agreement. In certain circumstances, cancellation by way of net settlement or full payment can result in an adjustment to the premium associated with the policy.

Additionally, when we consider prior year reserve development for the credit and political risk line of business, it is important to note that the multi-year nature of this business distorts loss ratios when a single accident year is considered in isolation. In recent years, the average term of these contracts has been four to five years. Premiums for these contracts generally earn evenly over the contract term, therefore, are reflected in multiple accident years. In contrast, losses incurred on these contracts, which can be characterized as low in frequency and high in severity, are reflected in a single accident year.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserve for Losses and Loss Expenses – Prior Year Reserve Development' for further details.

Reserving for Significant Catastrophic Events

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Significant Catastrophic Events' for further details.

In addition to those noted in Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Reserving for Significant Catastrophic Events' there are additional risks that affect our ability to accurately estimate ultimate losses for catastrophic events. For example, the estimates of loss reserves related to hurricanes and earthquakes can be affected by factors including, but not limited to, the inability to access portions of impacted areas, infrastructure disruptions, the complexity of factors contributing to losses, legal and regulatory uncertainties, complexities involved in estimating business interruption losses and additional living expenses, the impact of demand surge, fraud and the limited nature of information available. For hurricanes, additional complex coverage factors may include determining whether damage was caused by flooding or wind, evaluating general liability and pollution exposures, and mold damage. The timing of a catastrophe, for example, near the end of a reporting period, can also affect the level of information available to us to estimate loss reserves for that reporting period.

Results of operations for 2021 were impacted by natural catastrophe activity (refer to 'Underwriting Results – Insurance segment – Current Accident Year Loss Ratio' and 'Underwriting Results – Reinsurance segment – Current Accident Year Loss Ratio' for further details).

Selection of Reported Reserves – Management’s Best Estimate

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses – Reserving Methodology – Selection of Reported Reserves – Management’s Best Estimate' for further details.

Acquisition of Novae Group plc ("Novae")

With regard to establishing the fair value of reserves for losses and loss expenses for Novae at the acquisition date, weight was given to the observable value of these reserves based on the RITC transaction of the 2015 and prior years of account of Syndicate 2007, which was completed prior to the allocation of purchase price. Management made no change to the initial estimate when establishing its best estimate of reserves for losses and loss expenses at December 31, 2017. This is consistent with our general approach of recognizing all or part of the anticipated cost of third-party liability commutations if the transaction has either completed or is considered sufficiently likely to be completed in the near term.

Independent Actuarial Review

On an annual basis, we use an independent actuarial firm to provide an actuarial opinion on the reasonableness of loss reserves for each of our operating subsidiaries and statutory reporting entities as these actuarial opinions are required to meet various insurance regulatory requirements. The actuarial firm also discusses its conclusions from the annual review with management and presents its findings to the Audit Committee of the Board of Directors.

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Sensitivity Analysis

While we believe that loss reserves at December 31, 2021 are adequate, new information, events or circumstances may result in ultimate losses that are materially greater or less than provided for in our loss reserves. As previously noted, there are many factors that may cause reserves to increase or decrease, particularly those related to catastrophe losses and long-tail lines of business.

Expected loss ratios are a key assumption in estimates of ultimate losses for business at an early stage of development. A higher expected loss ratio results in a higher ultimate loss estimate, and vice versa. Assumed loss development patterns are another significant assumption in estimating loss reserves. Accelerating a loss reporting pattern (i.e. shortening the claim tail) results in lower ultimate losses, as the estimated proportion of losses already incurred would be higher. The uncertainty in the timing of the emergence of claims (i.e. the length of the development pattern) is generally greater for a company with a relatively limited operating history, therefore, we rely on industry benchmarks to a certain extent when establishing loss reserve estimates.

The effect on estimates of gross loss reserves of reasonably likely changes in the two key assumptions used to estimate gross loss reserves at December 31, 2021 was as follows:

INSURANCE
Development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Property and other5% lowerUnchanged5% higher
3 months shorter$(90,585)$(51,822)$(42,924)
Unchanged(10,383)10,356
3 months longer61,13073,95787,981
Marine5% lowerUnchanged5% higher
3 months shorter$(36,363)$(21,821)$(7,211)
Unchanged(14,412)15,369
3 months longer14,80929,92645,336
Aviation5% lowerUnchanged5% higher
3 months shorter$(7,598)$(6,659)$(5,720)
Unchanged(1,272)1,272
3 months longer8,23510,00711,780
Credit and political risk10% lowerUnchanged10% higher
6 months shorter$(20,611)$$20,611
Unchanged(20,611)20,611
6 months longer(20,177)20,611
Professional lines10% lowerUnchanged10% higher
6 months shorter$(363,296)$(161,658)$46,618
Unchanged(207,829)214,430
6 months longer18,287239,411462,549
Liability10% lowerUnchanged10% higher
6 months shorter$(187,221)$(41,862)$103,889
Unchanged(143,504)144,452
6 months longer(74,598)64,916212,119

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REINSURANCE
Development patternExpected loss ratio
Higher Loss Reserves (Lower Loss Reserves)
Property and other5% lowerUnchanged5% higher
3 months shorter$(89,314)$(60,686)$(27,526)
Unchanged(33,527)34,132
3 months longer23,20262,58196,973
Credit and surety10% lowerUnchanged10% higher
6 months shorter$(28,284)$(11,702)$5,015
Unchanged(17,434)17,282
6 months longer2,08018,40135,116
Professional lines10% lowerUnchanged10% higher
6 months shorter$(124,483)$(54,814)$19,389
Unchanged(72,235)73,581
6 months longer(9,345)69,012144,525
Motor10% lowerUnchanged10% higher
6 months shorter$(64,540)$(20,517)$24,900
Unchanged(46,005)46,867
6 months longer(11,492)37,09887,775
Liability10% lowerUnchanged10% higher
6 months shorter$(210,106)$(72,057)$74,080
Unchanged(138,579)143,393
6 months longer(53,967)84,092231,478

The results show the cumulative increase (decrease) in loss reserves across all accident years. For example, if assumed loss development pattern for insurance property and other business was three months shorter with no accompanying change in ELR assumption, loss reserves may decrease by approximately $52 million. Each of the impacts set forth in the tables is estimated individually, without consideration for any correlation among key assumptions or among reserve classes. Therefore, it would be inappropriate to take each of the amounts and add them together in an attempt to estimate total volatility. Additionally, it is noted that in some instances, for example the projection of catastrophe estimates or credit and political risks, development patterns are not appropriate as more bespoke techniques are used. While we believe the variations in the expected loss ratios and loss development patterns presented could be reasonably expected, our historical loss data regarding variability is generally limited and actual variations may be greater or less than these amounts. It is also important to note that the variations are not meant to be a "best-case" or "worst-case" series of scenarios and, therefore, it is possible that future variations in loss reserves may be more or less than the amounts presented. While we believe that these are reasonably likely scenarios, we do not believe this sensitivity analysis should be considered an actual reserve range.

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Reinsurance Recoverable on Unpaid Losses and Loss Expenses

In the normal course of business, we purchase treaty and facultative reinsurance protection to limit ultimate losses from catastrophic events and to reduce loss aggregation risk. To the extent that reinsurers do not meet their obligations under the reinsurance agreements, we remain liable. Consequently, we are exposed to credit risk associated with reinsurance recoverable on unpaid losses and loss expenses ("reinsurance recoverables") to the extent that any of our reinsurers are unable or unwilling to pay claims.

Reinsurance recoverables for each of the reportable segments, segregated between case reserves and IBNR, by reserve class are shown below:

20212020
At December 31,Case reservesIBNRTotalCase reservesIBNRTotal
Insurance segment:
Property and other$201,279$216,535$417,814$232,796$275,429$508,225
Marine94,07888,506182,58474,06588,331162,396
Aviation55,5082,55958,06760,9553,29764,252
Credit and political risk (1)(53,764)30,383(23,381)7,23944,42851,667
Professional lines436,9031,057,5851,494,488317,600909,5831,227,183
Liability188,7051,132,7641,321,469185,453997,1911,182,644
Total Insurance922,7092,528,3323,451,041878,1082,318,2593,196,367
Reinsurance segment:
Property and other315,236268,965584,201235,508261,703497,211
Credit and surety22,02244,94366,96529,13841,00570,143
Professional lines67,453183,888251,34158,646127,599186,245
Motor104,500124,695229,195105,793122,660228,453
Liability104,914329,954434,86876,352241,870318,222
Total Reinsurance614,125952,4451,566,570505,437794,8371,300,274
Total$1,536,834$3,480,777$5,017,611$1,383,545$3,113,096$4,496,641

(1)During 2021, significant gross claims associated with certain political risk contracts were paid in advance of recoveries being received from the corresponding security which resulted in negative case reserves of $(128) million (2020: $(15) million) and related negative reinsurance recoverable on unpaid losses and loss expenses of $(56) million (2020: $12 million). Refer to Critical Accounting Estimates – Reserve for Losses and Loss Expenses – Reserving for Credit and Political Risk Business for further details.

Refer to Item 8, Note 8 to the Consolidated Financial Statements 'Reserve for Losses and Loss Expenses' for the mapping of our lines of business to reserve classes and the expected claim tails.

At December 31, 2021, reinsurance recoverables as a percentage of loss reserves was 34% (2020: 32%). At December 31, 2021, reinsurance recoverables that were collectible from reinsurers rated A- or better by A.M Best were 85.7% (2020: 87.6%). Refer to Item 8, Note 11 to the Consolidated Financial Statements 'Commitments and Contingencies' for an analysis of the credit risk associated with reinsurance recoverables at December 31, 2021.

The recognition of reinsurance recoverables requires two key estimates as follows:

•The first estimate is the amount of loss reserves to be ceded to our reinsurers. This amount consists of amounts related to case reserves and amounts related to IBNR. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

•The second estimate is the amount of the reinsurance recoverable balance that we believe ultimately will not be collected from reinsurers. We are selective in choosing reinsurers, buying reinsurance principally from reinsurers with a strong financial condition and industry ratings. The amount we ultimately collect may differ from our estimate due to the ability and willingness of reinsurers to pay claims, which may be negatively impacted by factors such as insolvency, contractual disputes over contract language or coverage and/or other reasons. In addition, economic conditions and/or operational performance of a particular reinsurer may deteriorate, and this could also affect the ability and willingness of a reinsurer to meet their contractual obligations.

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Consequently, we review reinsurance recoverables at least quarterly to estimate an allowance for expected credit losses. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

At December 31, 2021 the allowance for expected credit losses was $30 million (2020: $24 million). We have not written off any significant reinsurance recoverable balances in the last three years.

At December 31, 2021, the use of different assumptions could have a material effect on the allowance for expected credit losses. To the extent the creditworthiness of our reinsurers deteriorates due to an adverse event affecting the reinsurance industry, such as a large number of catastrophes, uncollectible amounts could be significantly greater than the allowance for expected credit losses. Given the various considerations used to estimate the allowance for expected credit losses, we cannot precisely quantify the effect a specific industry event may have on the allowance for expected credit losses.

Gross Premiums Written

Revenues primarily relate to premiums generated by our underwriting operations. The basis for recognizing gross premiums written varies by policy or contract type. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' for further details.

Insurance Segment

For the majority of our insurance business, a fixed premium which is identified in the policy is recorded at the inception of the policy. This premium is adjusted if underlying insured values change. We actively monitor underlying insured values and any adjustments to premiums are recognized in the period in which they are determined. Gross premiums written on a fixed premium basis accounted for 87% and 86% of the segment’s gross premiums written for the years ended December 31, 2021 and 2020, respectively. Some of this business is written through MGAs, third parties granted authority to bind risks on our behalf in accordance with our underwriting guidelines. For this business, premiums are recorded based on monthly statements received from MGAs or best estimates based on historical experience.

The remainder our insurance business is written on a line slip or proportional basis, where we assume an agreed proportion of the premiums and losses of a particular risk or group of risks along with other unrelated insurers. As premiums for this business are not identified in the policy, premiums are recognized at the inception of the policy based on estimates provided by clients through brokers (refer to 'Reinsurance Segment' below for further details). We review these premium estimates on a quarterly basis and any adjustments to premium estimates are recognized in the period in which they are determined. Gross premiums written on a line slip or proportional basis accounted for 13% and 14% of the segment’s gross premiums written for the years ended December 31, 2021 and 2020, respectively.

For the credit and political risk line of business, we write certain policies on a multi-year basis. Premiums in respect of these policies are recorded at the inception of the policy based on management’s best estimate of premiums to be received, including assumptions relating to prepayments/refinancing. At December 31, 2021, the average duration of unearned premiums for credit and political risk line of business was 5.2 years (2020: 5.3 years).

Reinsurance Segment

The reinsurance segment provides cover to cedants (i.e. insurance companies) on an excess of loss or on a proportional basis. In most cases, cedants seek protection from us for business that they have not yet written at the time they enter into agreements with us, therefore, cedants must estimate their underlying premiums when purchasing reinsurance cover from us.

Excess of loss reinsurance contracts with cedants typically include minimum or deposit premium provisions. For excess of loss reinsurance contracts, minimum or deposit premiums are generally considered to be the best estimate of premiums at the inception of the contract. The minimum or deposit premium is normally adjusted at the end of the contract period to reflect changes in the underlying risks in force during the contract period. Any adjustments to minimum or deposit premiums are recognized in the period in which they are determined. Gross premiums written for excess of loss reinsurance contracts accounted for 49% and 52% of the reinsurance segment’s gross premiums written for the years ended December 31, 2021 and 2020, respectively.

Many of our excess of loss reinsurance contracts also include provisions for automatic reinstatement of coverage in the event of a loss. In a year of significant loss events, reinstatement premiums will be higher than in a year in which there are no large loss events. Refer to Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies' and 'Critical Accounting Estimates – Reserve for Losses and Loss Expenses' above for further details.

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For proportional reinsurance contracts, premiums are recognized at the inception of the contract based on estimates received from ceding companies. We review these premium estimates on a quarterly basis and evaluate their reasonability in light of premiums reported by cedants. Factors contributing to changes in initial premium estimates may include:

•changes in renewal rates or rates of new business accepted by cedants (changes could result from changes in the relevant insurance market that could affect more than one of our cedants or could be a consequence of changes in the marketing strategy or risk appetite of an individual cedant);

•changes in underlying exposure values; and/or

•changes in rates being charged by cedants.

As a result of this review process, any adjustments to premium estimates are recognized in the period in which they are determined. Changes in premium estimates could be material to gross premiums written in the period. Changes in premium estimates could be also material to net premiums earned in the period in which they are determined as any adjustment may be substantially or fully earned. Gross premiums written for proportional reinsurance contracts, including adjustments to premium estimates established in prior years, accounted for 51% and 48% of the reinsurance segment’s gross premiums written for the years ended December 31, 2021 and 2020, respectively.

Gross premiums written for proportional reinsurance contracts incepting during the year were as follows:

Year ended December 31,202120202019
Catastrophe$12,733$13,863$17,149
Property117,397135,312184,552
Credit and surety93,63891,940162,948
Professional lines205,305156,643159,234
Motor187,569228,754194,871
Liability383,232265,358251,515
Engineering15,47251,052
Agriculture72,89752,682194,379
Accident and health302,520300,646335,538
Marine and Aviation23,91219,06522,697
Total estimated premiums$1,399,203$1,279,735$1,573,935
Gross premiums written (reinsurance segment)$2,822,752$2,808,539$3,222,927
As a % of total gross premiums written50%46%49%

Historical experience has shown that cumulative adjustments to initial premium estimates for proportional reinsurance contracts have ranged from 0% to 5% over the last 5 years. Giving more weight to recent years where premium volume was comparable to current levels, we believe that a reasonably likely change to 2021 initial premium estimates for proportional reinsurance contracts would be 3% in either direction. A change in initial premium estimates of this magnitude would result in a change in gross premiums written of approximately $44 million. A change in initial premium estimates of this magnitude would not have a material impact on pre-tax net income, after considering current losses and loss expenses ratios. However, larger variations, positive or negative, are possible.

Net Premiums Earned

Premiums are earned evenly over the period during which we are exposed to the underlying risk. Changes in circumstances subsequent to the inception of contracts can impact the earning periods. For example, when exposure limits for a contract are reached, any associated unearned premiums are fully earned. This can have a significant impact on net premiums earned, particularly for multi-year contracts such as those in the credit and political risk line of business.

Fixed premium insurance policies and excess of loss reinsurance contracts are generally written on a "losses occurring" or "claims made" basis over the term of the contract. Consequently, premiums are earned evenly over the contract term, which is generally 12 months.

Line slip or proportional insurance policies and proportional reinsurance contracts are generally written on a "risks attaching" basis, covering claims that relate to the underlying policies written during the terms of these contracts. As the underlying business incepts throughout the contract term which is typically one year, and the underlying business typically has a one year coverage period, these premiums are generally earned evenly over a 24-month period.

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Fair Value Measurements of Financial Assets and Liabilities

Fair value is defined as the price to sell an asset or transfer a liability (i.e. the "exit price") in an orderly transaction between market participants. Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for information on the valuation techniques including significant inputs and assumptions generally used in estimating the fair values of our financial instruments.

Fixed Maturities and Equity Securities

At December 31, 2021, the fair values of 94% (2020: 95%) of total fixed maturities and equity securities were based on prices provided by globally recognized independent pricing services where we have a current and detailed understanding of how their prices were derived. The remaining securities were priced by either non-binding broker quotes or internal valuation models.

Generally, we obtain quotes directly from broker-dealers who are active in the corresponding markets when prices are unavailable from independent pricing services. This may also be the case if the pricing from pricing services is not reflective of current market levels, as detected by our pricing control tolerance procedures. Generally, broker-dealers value securities through their trading desks based on observable market inputs. Their pricing methodologies include mapping securities based on trade data, bids or offers, observed spreads and performance on newly issued securities. They may also establish pricing through observing secondary trading of similar securities.

At December 31, 2021 and 2020, we did not adjust any pricing provided by independent pricing services.

Management Pricing Validation

While we obtain pricing from pricing services and/or broker-dealers, management is ultimately responsible for determining the fair value measurements of all securities. To ensure fair value measurement is applied consistently and in accordance with U.S. GAAP, annually, we update our understanding of the pricing methodologies used by the pricing services and broker-dealers.

We also challenge any prices we believe may not be representative of fair value under current market conditions. Our review process includes, but is not limited to:

•initial and ongoing evaluation of the pricing methodologies and valuation models used by outside parties to calculate fair value;

•quantitative analysis;

•a review of multiple quotes obtained in the pricing process and the range of resulting fair values for each security, if available; and

•randomly selecting purchased or sold securities and comparing the executed prices to the fair value estimates provided by the independent pricing sources and broker-dealers.

Other Investments

Hedge Funds, Direct Lending Funds, Private Equity Funds and Real Estate Funds

The fair values of hedge funds, direct lending funds, private equity funds and real estate funds are estimated using net asset values (NAVs) as advised by external fund managers or third-party administrators. At December 31, 2021, the estimated fair value of our investments in these funds was $838 million (2020: $708 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

CLO-Equity Securities

CLO-Equities, is estimated using a discounted cash flow model prepared by an external investment manager. At December 31, 2021, the estimated fair value of our indirect investment in CLO-Equities was $6 million (2020: $6 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

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Other Privately Held Investments

Other privately held investments include convertible preferred shares, common shares, convertible notes, investments in limited partnership and a variable yield security. These investments are initially valued at cost which approximates fair value. In subsequent measurement periods, the fair values of these investments are generally based on transaction prices from capital raises, capital statements obtained from each investee or by applying a multiplier to investee company earnings. In 2021, the fair value of the variable yield security was determined using an externally developed discounted cash flow model. At December 31, 2021, the estimated fair value of these investments was $105 million (2020: $70 million). Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Overseas Deposits

Refer to Item 8, Note 6 to the Consolidated Financial Statements 'Fair Value Measurements' for further details.

Impairment Losses and the Allowance for Expected Credit Losses - Fixed Maturities, Available for Sale

Fixed maturities classified as available for sale are reported at fair value at the balance sheet date and are presented net of an allowance for expected credit losses. Our available for sale ("AFS") investment portfolio is the largest component of consolidated total assets and it is a multiple of shareholders’ equity. As a result, impairment losses could be material to our results of operations and financial condition particularly during periods of dislocation in financial markets.

Fixed maturities, available for sale are impaired if the fair value of the investment is below amortized cost. On a quarterly basis, the Company evaluates all fixed maturities, available for sale for impairment losses.

Details regarding our processes for the identification of impairments of fixed maturities, available for sale following the adoption of ASU 2016-13, "Financial Instruments - Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments," on January 1, 2020 and the recognition of the related impairment losses are disclosed in Item 8, Note 2 to the Consolidated Financial Statements 'Basis of Presentation and Significant Accounting Policies'.

In addition, the methodologies and significant inputs used to estimate the allowance for expected credit losses are disclosed in Item 8, Note 5 (f) to the Consolidated Financial Statements 'Investments'.

During 2021, we recorded an allowance for expected credit losses of $0.3 million (2020: $0.3 million) and an impairment loss of $nil (2020: $1.5 million) (refer to 'Net Investment Income and Net Investment Gains (Losses)' for further details).The allowance for expected credit loss is charged to net income (loss) and is included in net investment gains (losses) in the consolidated statements of operations.

Intent or Requirement to Sell

From time to time, we may sell fixed maturities, available for sale subsequent to the balance sheet date that we did not intend to sell at the balance sheet date. Conversely, we may not sell fixed maturities, available for sale that we intended to sell at the balance sheet date. These changes in intent may arise due to events occurring subsequent to the balance sheet date. The types of events that may result in a change in intent include, but are not limited to, significant changes in the economic facts and circumstances related to the specific issuer, changes in liquidity needs, or changes in tax laws or the regulatory environment.

U.S. Treasury Securities and Other Highly Rated Debt Instruments

Our credit impairment review process excludes fixed maturities, available for sale guaranteed, either explicitly or implicitly, by the U.S. government and its agencies (U.S. Government, U.S. Agency and U.S. Agency RMBS) because we anticipate these securities will not be settled below amortized cost. These securities are evaluated for intent or requirement to sell at a loss.

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RECENT ACCOUNTING PRONOUNCEMENTS

At December 31, 2021, there were no recently issued accounting pronouncements that we have not yet adopted that we expect could have a material impact on our results of operations, financial condition or liquidity.