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Ivanhoe Electric Inc. (IE) Business

Verbatim Item 1 Business section from Ivanhoe Electric Inc.'s latest 10-K. Filing date: 2026-02-23. Accession: 0001879016-26-000005.

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Item 1. Business

Overview

We are a technology-driven United States minerals exploration and development company with a focus on copper and other critical metals vital to electric transmission and generation, manufacturing, infrastructure development, technology, and national security. Our wholly owned assets are located in the United States. We operate exploration joint ventures and alliances in Saudi Arabia, Chile and the United States. We use our powerful Typhoon™ geophysical surveying system, together with advanced data analytics provided by our subsidiary, Computational Geosciences Inc. (“CGI”), to accelerate and de-risk the mineral exploration process in the search for new deposits of critical metals that may otherwise be undetectable by traditional exploration technologies. We believe the United States is significantly underexplored and has the potential to yield major new discoveries of critical metals.

We are committed to the establishment of strong relationships with our local communities and the responsible development of our projects by incorporating best practices for health, safety and environmental standards, water management, protection of local cultural heritage and biodiversity, and minimizing our environmental footprint. We prioritize hiring from local communities.

Our United States Mineral Projects

As of the date of this annual report, we consider our sole material mineral project to be the Santa Cruz Copper Project in Arizona. The Santa Cruz Copper Project is a development project situated in a prolific mining region that hosts some of the largest copper mines in the United States. The Santa Cruz Copper Project encompasses approximately 26.0 square kilometers (~6,425 acres) on private land and includes associated water rights. The Santa Cruz Copper Project location provides excellent infrastructure, including access to rail, interstate highways, and electric transmission lines. On June 23, 2025, we announced the completion of the Preliminary Feasibility Study (the “PFS”) for the Santa Cruz Copper Project. The PFS confirmed the economic viability of an underground copper mining operation combined with a heap leach processing facility utilizing modern technologies and designed to produce copper cathode. The PFS projects that the Santa Cruz Copper Project may produce 1.4 million tonnes of copper cathode over a 23-year mine life. With a base case copper price of $4.25/lb, the Santa Cruz Copper Project has an estimated after-tax net present value of $1.4 billion at an 8% discount rate and an estimated internal rate of return of 20%. The initial project capital estimated in the PFS is $1.24 billion.

Following completion of the PFS for the Santa Cruz Copper Project, we are advancing detailed engineering, operational readiness, and permitting for a copper mining operation incorporating leading technologies to improve efficiencies and costs.

Our other mineral projects in the United States include the Tintic Project located in Utah (the “Tintic Project”), the Hog Heaven Copper-Silver-Gold Project located in Montana (the “Hog Heaven Project”), and the Gleeson Copper-Gold Project in Arizona (“the “Gleeson Project”).

The Tintic Project is an exploration project located 95 kilometers (“km”) south of Salt Lake City in a historically significant silver producing district that also produced significant amounts of copper and gold. We own a majority of the surface land and mineral rights constituting the Tintic Project and we have lease and option agreements in place to own the remaining surface land and mineral rights at the Tintic Project.

The Hog Heaven Project is located on private land approximately 80 km south-southwest of the town of Kalispell, Montana. It is in the historical Flathead Mining District, which consists of several high-sulfidation epithermal mineral deposits and prospects, as well as several historical mines, including the Flathead Mine.

The Gleeson Project is an exploration project located 75 km south-east of Tucson, Arizona in a historic mining district of the same name. We have staked mining claims on federal mineral rights, acquired several Arizona State Mineral Exploration Permits, and signed several option agreements with private landowners.

We also hold a portfolio of other exploration projects in the western United States. These include the BHP Alliance in Arizona, New Mexico, Utah, and Nevada (the “BHP Alliance”), the Bristol Project located in Nevada (the “Bristol Project”), and the Lomitas Negras, Globe-Miami and Perseverance Projects in Arizona (the “Lomitas Negras Project”, “Globe-Miami Projects” and “Perseverance Project”, respectively). The Globe-Miami Project includes the “Sleeping Beauty Project”, “Dragon’s Tail Project” and “Copper King Project”.

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Map: United States Mineral Projects

Exploration Alliance with BHP Mineral Resources

In 2024, we established an exploration alliance (“Exploration Alliance”) with a subsidiary of BHP Group Limited (“BHP”) to search for critical minerals in the United States. The Exploration Alliance Agreement sets out the framework for us (acting through a wholly owned subsidiary) and BHP to explore mutually agreed “Areas of Interest” (“AOIs”) in the United States to identify projects within those AOIs that may become 50/50 owned joint ventures. The initial AOIs are in Arizona, New Mexico, and Utah. The Exploration Alliance is for a term of three years, which may be extended. BHP (through a wholly owned subsidiary) agreed to provide initial funding of $15 million, and any subsequent funding would be on a 50/50 basis. We have provided the Exploration Alliance with access to one of our new generation Typhoon™ units, as well as the machine learning algorithmic software and data inversion services of CGI. In April 2025, the Exploration Alliance completed its first survey using a Typhoon™ geophysical survey system at an AOI in Arizona. The first drilling commenced in this area of interest in October 2025.

Maaden Ivanhoe Electric Exploration and Development Limited Company

In 2023, we established an exploration joint venture (the “Joint Venture”) with the Saudi Arabian Mining Company (“Maaden”). The Joint Venture is owned 50/50 by Ivanhoe and Maaden and has an initial term of five years, which may be extended up to 10 years upon mutual agreement of the parties. The Joint Venture operates through a limited liability company established under Saudi Arabian law named Maaden Ivanhoe Electric Exploration and Development Limited Company (“Saudi JVCo”). Maaden has currently made available approximately 50,000 km2 of land under an exploration license (or license application) within Saudi Arabia for exploration by the Joint Venture, a portion of which is expected to be reduced in 2026 following completion of exploration activities. We initially contributed $66.4 million of the proceeds from the sale of our common shares to Maaden to initially fund Saudi JVCo and the Joint Venture, and we provided Saudi JVCo with a royalty-free license to use Typhoon™ within Saudi Arabia for mineral exploration. The license will remain exclusive to the Joint Venture in Saudi Arabia and effective during the term of the Joint Venture. Saudi JVCo purchased three new generation Typhoon™ units from the Company’s former parent, I-Pulse, all of which have been delivered to the Joint Venture and are active in Saudi Arabia. The Joint Venture also entered into a services agreement with Computational Geosciences Inc. (“CGI”), our 94.3% owned subsidiary, pursuant to which CGI is responsible for the supply of the services for the analysis of data and processing of the full spectrum of geophysical datasets produced by the Typhoon™ geophysical survey systems. The Joint Venture commenced exploration activities in November 2023 and announced its first mineral

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discovery at Al Amar in January 2025. The Joint Venture is currently conducting drilling activities in the Wadi Bidah area with drilling at other exploration areas planned for later in 2026.

Exploration Collaboration with Sociedad Química y Minera de Chile

On January 27, 2026, we entered into an exploration collaboration (the “Collaboration”) with Sociedad Química y Minera de Chile (“SQM”) to explore for copper in northern Chile. SQM is one of Chile’s largest and oldest mining companies and with one of the largest portfolios of mining concessions in the country. The Collaboration establishes the framework for us and SQM to explore certain of SQM’s mining concessions, comprising a total of 2,002 km2 in northern Chile in areas of Caliche cover in the Atacama Desert. Caliche is a surface deposit of sediments cemented by salts, making it highly electrically resistive and impeding the penetration of low-power geophysical transmitters and their ability to detect underlying sulfide mineralization. Our Typhoon™ geophysical survey system generates a powerful, clean electrical charge that can penetrate the highly resistive Caliche cover to detect potential copper deposits beneath. The Collaboration will be funded by SQM with an initial commitment of $9 million. We are not required to provide any funding prior to the formation of a 50/50 joint venture. Upon identifying a qualifying copper deposit, we will have the option to acquire a 50% interest in the deposit and form a 50/50 joint venture with SQM by paying a price equal to twice SQM’s exploration expenditures to date. The exercise price will be paid to a new joint venture company and used for further exploration and other related activities. Upon the formation of a joint venture, SQM will contribute the relevant mining concessions and associated exploration data. Thereafter, the joint venture will be funded pro rata by us and SQM. A “qualifying copper deposit” is any deposit with the potential for at least one million tonnes of contained copper or copper equivalent, as determined by an independent geologist. The Collaboration has an initial term of three years.

Other International Mineral Projects

Our other mineral projects outside of the United States are the Alacrán Project in Colombia (the “Alacrán Copper Project”) (owned through our approximate 60.8% interest in publicly traded company Cordoba Minerals Corp. (“Cordoba”)), the Ivory Coast Project (owned through our interest in publicly traded company Sama Resources Inc. and our 60.0% interest in a joint venture entity) in Ivory Coast, and the Pinaya Project in Peru. On May 8, 2025, Cordoba announced that it had entered into an agreement for the sale of the remaining 50% of the Alacrán Copper Project to a consortium of investors including JCHX Mining Management Co., Ltd. (“JCHX”), a 19.2% shareholder of Cordoba, for up to $128 million consisting of $88 million in cash on closing, $12 million in a deferred payment, and up to $28 million in a contingent payment. Cordoba shareholders approved the transaction at a meeting of shareholders held on September 15, 2025. On February 10, 2026, the agreement was amended to, among other things, provide for the full $128 million purchase price to be paid at closing and remove any post-closing payments, waive the closing condition of an Environmental Impact Assessment, add a new closing condition of JCHX shareholder approval, and extend the outside date to March 10, 2026. Cordoba has also agreed to use commercially reasonable efforts to distribute to its shareholders the net proceeds after satisfying all liabilities and obligations, subject to required approvals, such that $10 million will remain in Cordoba.

Typhoon and Computational Geosciences

In addition to our portfolio of mineral projects, we own, through a wholly-owned subsidiary, patents to a proprietary exploration technology known as Typhoon™. We also own a 94.3% controlling interest in a data inversion business, CGI. CGI was founded in 2010 to commercialize innovative technology developed at the University of British Columbia, Canada to improve and enhance mineral exploration.

The Typhoon™ technology allows us to cost effectively and efficiently generate geophysical models of large-scale mineral deposits to depths of up to one and a half kilometers or more. CGI software technology consists of sophisticated codes to process geophysical data and build three-dimensional (“3D”) subsurface models that could indicate the presence of various sulfide metals and minerals. Typhoon™ is capable of energizing large volumes of rock to complete larger surveys through a combination of high voltage up to 10 kV, high power up to 100 kW and high current up to 200 amps. Typhoon™ can and has been used successfully to accelerate and de-risk the exploration process, enabling a higher frequency of mineral discovery and lowering total exploration costs. Typhoon™ has proven to be an important exploration tool during its deployment at our exploration projects.

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Map: Current and historical deployment of Typhoon™

VRB Energy

We also have interests in grid scale energy storage technology utilizing vanadium redox flow batteries. We own a 90.0% interest in VRB Energy Inc. (“VRB Energy”), which itself owns 100% of VRB Energy USA Inc. (“VRB USA”), an Arizona-based developer of advanced grid-scale energy storage systems utilizing vanadium redox flow batteries for integration with renewable power sources. VRB Energy also has a 49% interest in VRB Energy System (Beijing) Co., Ltd, a joint venture in China (“VRB China Joint Venture”) with a subsidiary of privately held Shanxi Red Sun Co., Ltd. (“Red Sun”), which owns 51% of the VRB China Joint Venture. The VRB China Joint Venture manufactures, develops and sells vanadium redox flow batteries for Asian, African and Middle Eastern markets.

Mineral Projects

Our portfolio of highly prospective mineral projects is predominantly focused on copper and other metals vital to advanced manufacturing, infrastructure development, technology, and national security.

The Santa Cruz, Tintic and Hog Heaven Projects are situated in the high-quality copper producing jurisdictions of Arizona, Utah and Montana, respectively. According to the Fraser Institute’s Annual Survey of Mining Companies, Arizona, Utah and Montana rank as some of the most attractive copper mining investment jurisdictions compared to other major copper mining jurisdictions around the world.

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___________

Source: Fraser Institute 2024 Investment Attractiveness

Quality Assurance/Quality Control Throughout all of our properties, internal controls, including quality assurance and quality control (“QA/QC”) measures, are in place to ensure the reliability and trustworthiness of our exploration data and mineral resource and reserve estimates. Because mineral resource and reserve estimates depend on geological interpretation and statistical inferences or assumptions drawn from drilling and sampling analysis, there is a degree of uncertainty attributable to those estimates. These measures include written standard operating procedures and independent verifications of aspects such as drilling, surveying, sampling, assaying, data management, and database integrity. Appropriate documentation of QC measures and regular analysis of QC data is essential as a safeguard for project data and form the basis for the QA program implemented during exploration.

Analytical QC measures involve internal and external laboratory procedures implemented to monitor the precision and accuracy of the sample preparation and assay data. These measures are also important to identify potential sample sequencing errors and to monitor for contamination of samples.

We submit a blank, standard, or duplicate sample on every seventh sample. Sampling and analytical QA/QC protocols typically involve taking duplicate samples and inserting QC samples (certified reference material (CRM) and blanks) to monitor the assay results' reliability throughout the drill program.

Samples are securely shipped to reputable analytical laboratories with global quality management systems that meets all requirements of the international standards ISO/IEC 17025:2017 and ISO 9001:2015. The independent labs that we use have robust internal QA/QC program to monitor and ensure quality of assay and other analytical results.

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United States

Santa Cruz Copper Project, Arizona, USA (the “Santa Cruz Project”)

References to the “Santa Cruz Copper Project Preliminary Feasibility Study” or “PFS” is to the “S-K 1300 Preliminary Feasibility Study & Technical Report Summary, Santa Cruz Copper Project, Arizona”, dated June 23, 2025 and current as of December 31, 2025. The PFS was prepared in accordance with the Securities and Exchange Commission S-K regulations (Title 17, Part 229, Items 601 and 1300 through 1305) by the following third-party qualified persons: Fluor Canada Ltd., BBA USA Inc. (“BBA”), Burns & McDonnell Engineering Company, Inc., Geosyntec Consultants, Inc., Haley & Aldrich, Inc., INTERA Incorporated, KCB Consultants Ltd., Life Cycle Geo, LLC, Met Engineering, LLC, Paterson & Cooke USA, Ltd., Stantec Consulting Services Inc., and Tetra Tech, Inc. None of the qualified persons is affiliated with the Company or any other entity that has an ownership, royalty, or other interest in the Santa Cruz Copper Project. The PFS and Technical Report Summary on the Santa Cruz Copper Project is included as Exhibit 96.1 hereto. Scientific and technical information in this section is based upon, or in some cases extracted from, the PFS.

Location, Infrastructure, and Access. Our development stage Santa Cruz Copper Project is located in Pinal County, Arizona, 11 km to the west of Casa Grande and approximately a one-hour drive, on paved roads, south of Phoenix. The Santa Cruz Copper Project and exploration areas encompass approximately 75.66 km2 of land. Santa Cruz was discovered in the 1970s but was undeveloped due to market conditions as well as fragmented title and ownership. The Santa Cruz Copper Project centroid is approximately -111.88212, 32.89319 (WGS84) in Township 6 S, Range 4E, Section 13, Quarter C.

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Map: Location of the Santa Cruz Copper Project within the state of Arizona.

Title. The Santa Cruz Copper Project is 100% owned by Ivanhoe Electric through its wholly-owned subsidiary, Mesa Cobre Holding Corporation (“Mesa Cobre”).

In 2021, Ivanhoe Electric acquired 238 unpatented mining lode claims from Central Arizona Resources, LLC (“CAR”). In addition, Ivanhoe Electric acquired fee simple mineral title for two further land parcels: “CG100” and “Skull Valley”. In 2022, Ivanhoe Electric acquired the 0.08 km2 (20-acre) “Skull Valley” property from Skull Valley Capital, LLC in the southeastern area of the project and the 0.41 km2 (100.33-acre) “CG100” from CG 100 Land Partners LLC in the northeastern area of the project.

In 2023, Ivanhoe Electric acquired 16 Arizona State Land Department mineral exploration permits covering 27.95 km2 (~6,900 acres) of state mineral land. In 2024, Ivanhoe Electric exercised the agreement with D.R. Horton Phoenix East Construction, Inc. (DRH), granting Ivanhoe Electric, through Mesa Cobre, 100% of the mineral title for 26.0 km2 (~6,425 acres) of fee simple mineral estate, 39 federal unpatented mining lode claims (bringing the total claims controlled by Ivanhoe Electric to 277).

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The total project area comprises fee simple land along with unpatented mining lode claims and Arizona State Land Department Mineral Exploration Permits. Annual renewal fees for the unpatented mining lode claims and mineral exploration permits have been made as required. The estimated annual cost of future payments to retain the unpatented mining claims is $55,400. The area of proposed mine activity lies on fee simple land. Mineral control is summarized in the table and figures below.

Land DesignationArea (km2)
Fee Simple Mineral Ownership25.98
Unpatented Mining Lode Claims (277 claims)25.92
Arizona State Land Department Mineral Exploration Permits (16 permits)30.47

Map: Ivanhoe Electric Mineral Rights of the Santa Cruz Copper Project.

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In 2022, Ivanhoe Electric acquired the surface rights to two land parcels: the 0.08 km2 (20-acre) Skull Valley property from Skull Valley Capital, LLC in the southeastern area of the project and a 0.41 km2 (100.33-acre) land parcel “CG100” from CG 100 Land Partners LLC in the northeastern area of project. In August 2024, Ivanhoe Electric acquired the surface title to three 0.04 km2 (10-acre) parcels located in various areas of the project along with the mineral rights from DRH. The majority of the surface rights for the Santa Cruz Copper Project were acquired in 2023. Surface rights are shown in the Figure below. Ivanhoe Electric acquired grandfathered irrigation rights and grandfathered Type 1 non-irrigation water rights in association with the private land purchased in 2023 and holds all necessary water rights for the life-of-mine plan envisaged in the PFS.

Map: Ivanhoe Electric Surface Rights of the Santa Cruz Copper Project.

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There are nine royalty owners for the Santa Cruz, East Ridge, and Texaco deposits, as summarized in the table below. Each royalty has its own distinct property description as shown in the map below.

Table: Royalty Descriptions.

Royalty OwnerRoyalty Description
Royalty Owner A10% of 1/800th of the fair market value for refined copper, which amount is set by the value listed in the successor index to Metals Week as of the date the solution extraction / electrowinning (SX/EW) process is completed
Royalty Owner B60% of 1/800th of the fair market value for refined copper, which amount is set by the value listed in the successor index to Metals Week as of the date the SX/EW process is completed
Royalty Owner C2% net smelter return
Royalty Owner D0.15% net smelter return
Royalty Owner E½ of 1% net smelter return or ½ of 1% of 60% net smelter return if product is disposed of other than to a commercial smelter
Royalty Owner F10% net smelter return (capped at $7 million)
Royalty Owner G5% net smelter return
Royalty Owner H1% net smelter return
Royalty Owner I$0.015/lbs of copper of additional mineable reserve copper over 2 billion pounds (Blbs) as determined by the “Definitive Feasibility Study” or by production beyond the amount estimated in the “Definitive Feasibility Study”; the royalty owner has the option to require payment in Ivanhoe Electric common stock at a 10% discount to the five-day volume weighted average price

Map: Extent of Royalties

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History. Copper mineralization, first discovered in the region in the 1960s by geologists from the American Smelting and Refining Company (“ASARCO”), led to extensive drill programs across the project area.

ASARCO conducted exploration efforts across the Casa Grande Valley and in 1964 the first hole was drilled on what is now the Santa Cruz Project. By May 1965, seventeen drill holes were completed without similar success, and ASARCO reduced its land position. Subsequent reviews in 1970-1971 deemed the Santa Cruz Project worth renewed exploration activity. Following the initiation of the Santa Cruz Joint Venture (“SCJV”) between ASARCO Santa Cruz, Inc. and Freeport McMoRan Copper & Gold Inc. in 1974, additional ground was acquired around the Santa Cruz North deposit. By this time, various joint ventures, as noted below, had staked considerable ground over and around what would eventually be the Casa Grande West (now Santa Cruz) deposit.

In 1973, David Lowell put together an exploration program called the Covered Area Project (“CAP”) that was funded first by Newmont Mining, then, in succession, by a joint venture between Newmont and Hanna Mining, then Hanna with Getty Oil Corp. and Quintana Corp.; though both Quintana and Newmont would pull out of the project before any discoveries were made. By 1974 over 120 holes were drilled at 20 projects across Southwestern Arizona, with a focus on the Santa Cruz system. Drilling under the CAP program continued through to 1977, at which point Hanna Mining took over as operator under a joint venture with operation funding from Getty Oil Corp. Between 1977 and 1982, Hanna-Getty advanced a tight spaced drill program that delineated an estimated 500 Mt of 1% Cu at Casa Grande West, and countless exploration holes in the surrounding Casa Grande Valley.

In 1986, the Bureau of Mines obtained Congressional approval and funding to study in situ copper mining. In 1988, the Santa Cruz deposit was selected for this research project sponsored by a joint venture program between landowners ASARCO Santa Cruz Inc. and Freeport McMoRan Copper & Gold Inc., and the US Department of the Interior, Bureau of Reclamation. The in-situ testing began in February 1996, but research funding was halted in October 1997 due to a change from Congress.

Ivanhoe Electric gained access to the land in August 2021 to start drill programs, completed a mineral resource estimate in 2022, an updated mineral resource estimate in early 2023, an initial assessment in September 2023, and a PFS in June 2025.

Property Condition and Stage of Development. The Santa Cruz Copper Project is a development stage project. No mining activity has taken place on the land constituting the Santa Cruz Copper Project. There is no mine in production at the Santa Cruz Copper Project. There is currently no significant equipment, infrastructure or facilities at the Santa Cruz Copper Project, and no mine development or operating equipment at the project site.

Existing and past land uses in the Santa Cruz Copper Project area and immediately surrounding areas include agriculture, residential home development, light industrial facilities, and mineral exploration and development. Some dispersed recreation occurs in the area. The climate is dry, and most of the Santa Cruz Copper Project area is flat, sandy, and sparsely vegetated. Portions of the Santa Cruz Copper Project area are in the 100-year flood plain. Within the Santa Cruz Copper Project area, approximately 85 acres of land located 1.2 km north of the intersection of N. Spike Road and W. Clayton Road was used during an in situ leaching project in 1991.

We have a large private land package covering the Santa Cruz Copper Project area and area of known mineralization. The ability to operate on private land has the potential to reduce lengthy permitting timelines that result from federal permitting processes. The primary permits required to authorize the construction and operation of the Santa Cruz Copper Project are detailed below.

Permitting and encumbrances. The primary permits for the project will require state, county, and local authorizations. Several permits have been issued for exploration and construction activities, and additional permits have been submitted for construction activities. The remaining permit applications for construction and operations will be prepared and submitted as sufficient design and engineering information become available. Major federal, state and local permits/plans required for the project are listed in the table below.

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Table: Permits Required for the Santa Cruz Copper Project.

JurisdictionAgencyPermit/Plan Needed & DescriptionComment
FederalUS Environmental Protection AgencyResource Conservation and Recovery Act – Hazardous Waste ManagementWaste accumulation threshold will determine when hazardous waste ID number (permit) is required.
FederalUS Fish and Wildlife ServiceMigratory Bird Treaty ActOngoing monitoring and implementation of beneficial practices throughout life of project.
StateArizona Department of Environmental QualityClass V Underground Injection Control Permit for paste backfillPermit by rule or individual permit depending on materials characterization and pre-application discussion with agency.
StateArizona Department of Environmental QualityAreawide Aquifer Protection PermitFacility-specific permit for heap leach, spent ore, temporary development rock, and ponds.
StateArizona Department of Environmental QualityRecycled Water Discharge Permit for redistribution of excess treated water to priority usersFor distribution of treated water for third party uses (e.g., irrigated crops).
StateArizona Department of Water Resources45-513 – Groundwater Withdrawal PermitRequired to withdraw groundwater for dewatering purposes in an Active Management Area for extraction and processing of minerals.
StateArizona State Mine InspectorMined Land Reclamation PlanClosure plans developed as part of Preliminary Feasibility Study.
StateArizona Department of TransportationEncroachment Permit for access off Hwy 84Traffic impact analysis completed. Engineered improvement designs shall be approved by ADOT prior to issuance of the Encroachment Permit.
CountyPinal County Air Quality Control DistrictClass II Air Quality Permit – determined by quantity of emissions from stationary sources and process emissionsRequired for any industrial operation that has the potential to emit 5.5 pounds per day or 1 ton per year of any regulated air pollutant is required to obtain a permit from Pinal County Air Quality. Submitted March 2025 for construction activities and under agency review.
CountyPinal County Air Quality Control DistrictPinal County Dust Control Permit – West Pinal Non-AttainmentExisting permit will be amended annually.
CityCity of Casa GrandeSpecial Flood Hazard Area Development Permit for proposed development within a floodplainLikely not required as facilities have been designed to avoid development within Special Flood Hazard Areas.
CityCity of Casa GrandeGeneral Plan Amendment – major amendment to city planRequired to include mining operations and infrastructure within city limits. Obtained June 17, 2024.
CityCity of Casa GrandePlanned Area Development Amendment (PAD) –Required to accommodate industrial use/mining operations in a Planned Area Development zone. Obtained February 3, 2025.
CityCity of Casa GrandeMajor Site PlanRequired to accommodate industrial use/mining operations in the approved Planned Area of Development. Obtained January 7, 2026
CityCity of Casa GrandeDevelopment PlanRequired to accommodate drainage and grading for proposed project facilities approved in the Major Site Plan.

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Geological Setting, Mineralization and Deposit Types. The Santa Cruz Copper Project is situated within the Southwestern Porphyry Copper Belt, which is home to numerous productive copper deposits. Notable examples in Arizona include Mineral Park, Bagdad, Resolution, Miami-Globe, San Manuel-Kalamazoo, Ray, Morenci, Sierrita, Twin Buttes, and the historically significant Sacaton Mine. These deposits are part of the larger physiographical area known as the Basin and Range Province, which covers much of the southwestern United States.

The porphyry copper deposits in the Southwestern Porphyry Copper Belt are the result of igneous activity during the Laramide Orogeny, which occurred between 50 and 80 million years ago. This geological event was driven by the subduction of the Farallon Tectonic Plate beneath the North American Tectonic Plate, resulting in the formation of a magmatic arc and the development of associated porphyry copper systems.

The Project comprises four separate areas along a southwest-northeast corridor. These areas from southwest to northeast are known as the Southwest exploration area, the Santa Cruz deposit, the East Ridge deposit, and the Texaco deposit, all of which represent portions of one or more large porphyry copper systems separated by extensional Basin and Range normal faults. Each area has experienced variable periods of erosion, supergene enrichment, fault displacement, and tilting into their present positions.

Mineralization in the project area is divided into the following:

•Supergene copper oxide mineralization mainly consists of atacamite and chrysocolla, with smaller amounts of cuprous goethite, copper-bearing micas, tenorite, cuprite, copper wad, and native copper.

•Secondary supergene sulfide mineralization is dominantly chalcocite, which replaces hypogene sulfide.

•Primary hypogene sulfide mineralization consists of chalcopyrite and molybdenite hosted within quartz-sulfide stringers, veins, and breccias.

Exploration and Drilling. No exploration was completed in 2025. Sixteen sonic drill holes, totaling 1,055 meters, were completed as part of geotechnical development work for the box cut and decline as part of pre-development activities at the Santa Cruz Project. The below discussion is related to the exploration and drilling activities undertaken for the PFS.

Ivanhoe Electric has completed induced polarization geophysical surveys, including two dimensional, three dimensional, multichannel seismic, reprocessing of proprietary Typhoon™ three-dimensional perpendicular pole dipole induced polarization data, and ambient noise tomography in addition to an active three- dimensional seismic survey across the Santa Cruz and east ridge deposits. The geophysical datasets from these surveys were used to assist with geological interpretation and improved drill targeting.

A comprehensive surface ionic leach sampling program has also been completed across the project to assess in detecting copper mineralization at depth.

Ivanhoe Electric completed 149 infill drillholes totaling approximately 120,000 meters since the 2023 initial assessment to the date of the PFS, bringing the total to 194 drillholes and 156,427 meters of combined drilling for the Project since initiating exploration activity in 2021. Combined with historical drilling, Ivanhoe Electric has data for over 469 drillholes totaling 330,118 meters of combined drilling. The mineral resource and mineral reserve estimates included in the PFS are based on data from 329 drillholes totaling 279,164 meters of combined drilling.

Detailed core logging is performed by Ivanhoe Electric geologists through digital data input into MX Deposit. Data that are logged include lithology, alteration, mineralization, veining, petrophysical data, and geotechnical parameters, such as faults, joints, fractures, hardness, and rock quality (Q-system) parameters. Additional characterization fields such as rock colors, grain sizes, textures, and supergene weathering features were also captured.

Approximately 5,884 density measurements from 210 drillholes were measured for the Santa Cruz, East Ridge, and Texaco deposits.

Quality assurance and quality control for the Ivanhoe Electric drill programs consisted of inserting duplicates, blanks, and certified reference materials (standards) into the sample stream at set sampling intervals. BBA’s review of the data indicated no material issues.

A total of 70 km of geotechnical drillholes consisting of 83 historical and 184 modern drillholes informed geotechnical characterization of the Santa Cruz and East Ridge deposits. Historical drillholes were selected based on availability of rock quality designation data.

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The groundwater flow model was calibrated and used to predict the residual passive inflows for the PFS mine plan. The predicted residual passive inflows resulting from the updated model, with mitigation measures of activated colloidal silica and cement grouting applied, indicate that the residual passive inflows for the first 10 years of the mine are at or below 6,000 gallons per minute (gal/min). From Years 11 through 25, the residual passive inflows in the updated model range from approximately 6,500 to 8,000 gal/min.

Data Verification. BBA personnel in the disciplines of geology, mineral resource estimation, mineral reserve estimation, mine planning and mine infrastructure visited the project site in 2024. During the visit, BBA personnel reviewed and verified data acquisition procedures with Ivanhoe Electric personnel, visited active drill sites, and performed several other verification checks to ensure data integrity.

Based on the data made available, BBA considers that a reasonable level of verification has been completed and that no material issues were identified from the programs. BBA’s opinion states that the geological data collection and quality assurance and control procedures used by Ivanhoe Electric are consistent with current industry practices and that the geological database is of suitable quality to support a mineral resource and mineral reserve estimation.

Metallurgical Testwork. Metallurgy and processing test work were directed by Met Engineering, LLC and conducted at McClelland Labs (MLI) in Sparks, Nevada, USA and at Blue Coast Research (BCR) in Parksville, British Columbia, Canada. Metallurgical testwork included the following:

•establishing copper recoveries, based on sequential coppers for chloride-assisted, weak-sulfuric acid, heap leaching of mineralized material at the Santa Cruz Copper Project.

•determining commercial operating parameters for heap leaching mineralized material at the Santa Cruz Copper Project, including salt usage, sulfuric acid usage, ore cure/agglomeration practices, leach cell cycle times for an on/off leach pad design, annual pregnant leach solution grades, and pregnant leach solution flow rate to solvent extraction.

A grade-recovery algorithm was developed based on sequential copper assays. For the life-of-mine processing, this equation produces a weighted average of 92.2% total copper recovery to cathode for leaching a 6-meter lift of ore crushed to 100% passing 9.5 mm for 180 days of irrigation utilizing an on/off leach pad.

There are no deleterious elements or factors that could have a significant effect on economic extraction of the copper in the mineralized material.

Mineral Resource Estimate. The mineral resources in this estimate were independently prepared, including estimation and classification, by BBA in accordance with the definition for mineral resources in S-K 1300 regulations. The in-situ mineral resource estimates for the Santa Cruz, East Ridge, and Texaco deposits, inclusive and exclusive of reserves, are presented in the tables below.

The Santa Cruz deposit has approximately 194,000 meters of drilling in 226 drillholes; East Ridge has approximately 49,000 meters of drilling in 62 holes; and Texaco has approximately 36,000 meters of drilling in 41 holes.

Geological domains were developed for the project based on alteration, lithological, and mineralogical characteristics, incorporating regional and local structural information. Normal faults separate the mineralization at the Santa Cruz, East Ridge, and Texaco deposits.

The Santa Cruz deposit was divided into several mineral domains: exotic domain, verde domain, leach cap, oxide domain, chalcocite enriched domain, and primary mineralization domain. The East Ridge deposit consists of a mix of oxide and chalcocite enriched domains. The Texaco deposit consists of all domains except for leach cap and exotic. The domains were further divided into subdomains based on individual grade profiles, which align with controls on mineralization. The following terms are assigned to the subdomains; these represent a local definition of the grade profile: high-grade, medium-grade, and low-grade.

Exploratory data analysis was conducted to determine the nature of element distribution and correlation of grades within individual lithological units, and to identify high-grade outlier samples. Capping was not applied to copper values as significant outliers were not identified. Samples were composited to 2-meter intervals. Variograms were completed by subdomain for each deposit.

The resource estimation methodology constrains the mineralization by using hard wireframe boundaries. Ordinary kriging was employed for the Santa Cruz deposit, and inverse distance squared was selected for the East Ridge and Texaco

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deposits. Multiple search passes were used for each deposit. Search parameters were based on variography and continuity of mineralization.

Validation checks were completed on the mineral resource estimates. These included visual comparison of estimated grade to composite grade, domain conformity, swath plots, and comparisons to alternate estimation methods.

Indicated and inferred classification was applied to the Santa Cruz, East Ridge, and Texaco deposits based on BBA’s review that included geological understanding, continuity of mineralization, data quality, examination of drill spacing, visual comparison, kriging variance, distance to the nearest composite, and search pass, along with the search ellipsoid ranges. Collectively, this information was used to produce an initial classification script followed by manual wireframe application to further limit the mineral resource classification.

Mineral resources used commodity prices based on long-term analyst and bank forecasts. In the opinion of BBA, this price is generally aligned with pricing over the last one, three, and five years; forward-looking pricing from internationally recognized banks is appropriate for use in a mineral resource estimate. The commodity price considered three-year trailing averages.

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Santa Cruz Mineral Resources

Table: In-Situ Mineral Resource Estimate Exclusive of Reserves for Santa Cruz, East Ridge & Texaco Deposits.

DepositClassificationTonnes (kt)Total Copper (%)Acid Soluble Copper (%)Cyanide Leach Copper (%)Residual Copper (%)Gold (g/t)Silver (g/t)Contained Copper (kt)Total Acid Soluble Copper (kt)Total Cyanide Copper (kt)Total Residual Copper (kt)Contained Gold (koz)Contained Silver (koz)Contained Copper (Mlbs)
Santa CruzIndicated178,4510.800.340.200.270.0241.431,4356073594771398,2113,163
Inferred31,9980.730.210.170.340.0211.782326854110211,832512
East RidgeIndicated4,4070.940.430.310.200.0150.714119149210191
Inferred48,6760.890.440.120.330.0060.40436216571639623960
TexacoInferred341,3450.780.060.270.450.0280.812,6642189201,5373028,8505,873
All DepositsIndicated182,8590.810.340.200.270.0241.411,4766253734861418,3123,254
Inferred422,0200.790.120.240.430.0250.833,3325031,0301,80933311,3047,346

Notes on mineral resources: 1. The mineral resources in this estimate were independently prepared, including estimation and classification, by BBA USA Inc., and are reported in accordance with the definition for mineral resources in S-K 1300. 2. Mineral resources that are not mineral reserves do not have demonstrated economic viability. 3. Mineral resources are reported in situ, exclusive of mineral reserves. 4. The mineral resources for Santa Cruz, East Ridge, and Texaco deposit were completed using Datamine Studio RM software. 5. The mineral resources are current at December 31, 2025. 6. Mineral resources constrained assuming underground mining methods for the Santa Cruz deposit are reported at an NSR cutoff of US$32.00 for heap leach and US$34.00 for concentrator; Texaco deposit is reported at a NSR cutoff of US$32.00 for heap leach and US$34.00 for concentrator; and East Ridge deposit is reported at a NSR cutoff of US$40.00 for longhole stoping and US$50.00 for drift and fill. The cutoff reflects the total operating costs to define reasonable prospects for economic extraction by conventional underground mining methods. Material from within mineable shape-optimized wireframes has been included in the mineral resource. Underground mineable shapes optimization parameters include a long-term copper price of US$4.00/lb, gold price of US$1,900/oz, and silver price of US$24.00/oz. Process costs of US$7.00 to US$9.00 per processed tonne; direct mining costs between US$22.00 to US$40.00 per processed tonne reflecting various mining method costs (leach, long hole or drift and fill), mining general and administration costs of US$2.63 per processed tonne, onsite processing costs between US$31.63 to US$49.63 per processed tonne, along with variable royalties between 5.01% to 6.96% NSR, and a mining recovery of 100%. 7. Mineral resources are estimated using metallurgical recoveries for heap leach of 96% for acid soluble copper, 83% for cyanide soluble copper, 22% for residual copper, 0% for gold and 0% for silver. Recoveries for concentrator are 0% for acid soluble copper, 90% for cyanide soluble copper, 90% for residual copper, 59% for gold, and 69% for silver. 8. Density was applied using weighted averages by deposit subdomain. 9. Rounding as required by reporting guidelines may result in apparent summation differences between tonnes, grade, and contained metal content.

Table: In-Situ Mineral Resource Estimate Inclusive of Reserves for Santa Cruz, East Ridge & Texaco Deposits.

DepositClassificationTonnes (kt)Total Copper (%)Acid Soluble Copper (%)Cyanide Leach Copper (%)Residual Copper (%)Gold (g/t)Silver (g/t)Contained Copper (kt)Total Acid Soluble Copper (kt)Total Cyanide Copper (kt)Total Residual Copper (kt)Contained Gold (koz)Contained Silver (koz)Contained Copper (Mlbs)
Santa CruzIndicated317,7090.950.480.300.170.0271.623,0171,51795654327916,5136,650
Inferred31,9980.730.210.170.340.0211.782326854110211,832512
East RidgeIndicated8,7421.000.450.390.160.0140.68884034144191193
Inferred48,6760.890.440.120.330.0060.40436216571639623960
TexacoInferred341,3450.780.060.270.450.0280.812,6642189201,5373028,8505,873
All DepositsIndicated326,4500.950.480.300.170.0271.593,1041,55798955828316,7046,844
Inferred422,0200.790.120.240.430.0250.833,3325031,0301,80933311,3047,346

Notes on mineral resources: 1. The mineral resources in this estimate were independently prepared, including estimation and classification, by BBA USA Inc., and are reported in accordance with the definition for mineral resources in S-K 1300. 2. Mineral resources that are not mineral reserves do not have demonstrated economic viability. 3. Mineral resources are reported in situ, inclusive of mineral reserves. 4. The mineral resources for Santa Cruz, East Ridge, and Texaco deposit were completed using Datamine Studio RM software. 5. The mineral resources are current at December 31, 2025. 6. Mineral resources constrained assuming underground mining methods for the Santa Cruz deposit are reported at an NSR cutoff of US$32.00 for heap leach and US$34.00 for concentrator; Texaco deposit is reported at a NSR cutoff of US$32.00 for heap leach and US$34.00 for concentrator; and East Ridge deposit is reported at a NSR cutoff of US$40.00 for longhole stoping and US$50.00 for drift and fill. The cutoff reflects the total operating costs to define reasonable prospects for economic extraction by conventional underground mining methods. Material from within mineable shape-optimized wireframes has been included in the mineral resource. Underground mineable shapes optimization parameters include a long-term copper price of US$4.00/lb, gold price of US$1,900/oz, and silver price of US$24.00/oz. Process costs of US$7.00 to US$9.00 per processed tonne; direct mining costs between US$22.00 to US$40.00 per processed tonne reflecting various mining method costs (leach, long hole or drift and fill), mining general and administration costs of US$2.63 per processed tonne, onsite processing costs between US$31.63 to US$49.63 per processed tonne, along with variable royalties between 5.01% to 6.96% NSR, and a mining recovery of 100%. 7. Mineral resources are estimated using metallurgical recoveries for heap leach of 96% for acid soluble copper, 83% for cyanide soluble copper, 22% for residual copper, 0% for gold and 0% for silver. Recoveries for concentrator are 0% for acid soluble copper, 90% for cyanide soluble copper, 90% for residual copper, 59% for gold, and 69% for silver. 8. Density was applied using weighted averages by deposit subdomain. 9. Rounding as required by reporting guidelines may result in apparent summation differences between tonnes, grade, and contained metal content.

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Factors That May Affect the Mineral Resource Estimate

Areas of uncertainty that may materially impact the mineral resource estimates are as follows:

•changes to long-term metal price assumptions

•changes to the input values for mining, processing, and general and administrative (G&A) costs to constrain the estimate

•changes to local interpretations of mineralization geometry and continuity of mineralized subdomains

•changes to the density values applied to the mineralized zones

•changes to metallurgical recovery assumptions

•changes in assumptions of marketability of the final product

•variations in geotechnical, hydrogeological, and mining assumptions

•changes to assumptions with an existing agreement or new agreements

•changes to environmental, permitting, and social license assumptions

•logistics of securing and moving adequate services, labor, and supplies could be affected by epidemics, pandemics, and other public health crises, or geopolitical influence.

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The table below compares the Santa Cruz mineral resource estimates, exclusive of mineral reserves, as at December 31, 2025 and December 31, 2024, and reports the net difference as a percentage.

Comparison to previous Mineral Resource Estimate

December 31, 2024December 31, 2025Comparison
DepositClassificationTonnes (kt)Contained Copper (kt)DepositClassificationTonnes (kt)Total Cu (k tonnes)Tonnage % DifferenceTotal Contained Copper % Difference
Santa CruzIndicated223,1552,759Santa CruzIndicated178,4511,435-20%-48%
East RidgeEast Ridge4,40741%%
Texaco3,56047Texaco%%
Total Indicated226,7152,807Total Indicated182,8591,476-19%-47%
Santa CruzInferred62,709768Santa CruzInferred31,998232-49%-70%
East Ridge23,978326East Ridge48,676436103%34%
Texaco62,311753Texaco341,3452,664448%254%
Total Inferred148,9981,847Total Inferred422,0203,332183%80%

The current resource model iterations have changed significantly when compared to the iterations released in the initial assessment. Factors that have influenced changes in the resource are as follows:

•a portion of the Santa Cruz Indicated resource has been converted to reserves; see Mineral Reserve table;

•change in cut-off grade from IA to PFS due to change in metallurgical process, mining cost, increased copper price from $3.70/lb to $4.00/lb;

•significant addition of new drilling to all three deposits, with expansion drilling at Texaco contributing to overall resource growth;

•change in interpretation of deposits based on new information;

•understanding of structural influence on the deposit;

•discovery of historical data issues in East Ridge.

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Mineral Reserve Estimate. Underground mineral reserves were estimated by BBA. Estimates were prepared for the Santa Cruz deposit, a portion of the East Ridge deposit, and the Verde domain located within the Santa Cruz deposit. The primary mining method for both deposits employs longhole stoping without pillars, utilizing a primary and secondary stoping sequence. Additionally, a few small lenses within the East Ridge deposit use a drift-and-fill mining method. Stopes will be backfilled with cemented rockfill and then all stopes will be backfilled after mining with paste backfill for the remainder of the mine life. Indicated mineral resources were converted to probable mineral reserves. Inferred mineral resources were not converted to mineral reserves; however, if inferred mineral resources fell within the mineral reserve designs, they were assumed to have zero grade.

The underground mine approach was designed using zones that were amenable to different mining methods based on geotechnical considerations, access requirements, deposit shape, orientation and grade, and mining depths. Waste or low-grade blocks in the stope shapes were treated as internal dilution. Mine designs were modified by including the capital and operating development needed to access the stopes, and the applicable infrastructure requirements.

Net smelter return (NSR) represents the gross revenue generated from the sale of a refined metal product (in this case, copper cathodes) after deducting all associated off-site costs. For a mine producing copper cathodes via heap leaching and SX/EW, the traditional "smelter" and "refining" charges inherent in concentrate sales are not applicable. Instead, the offsite deductions are specific to the direct sale of cathodes.

The primary metal produced at the Santa Cruz Copper Project is copper. While byproducts of gold and silver are present, the current heap leach SX/EW process does not recover these precious metals. As is common with polymetallic deposits, the cutoff value for mineral reserves is determined and expressed in terms of net smelter return value per tonne.

The NSR is calculated based on unit metal values, utilizing representative smelter contract terms, freight costs, and forecasted metal prices. The metal prices and metallurgical recovery rates used for NSR calculations are summarized in the table below. Operating cost for cutoff value calculations are summarized in the table below. Royalties are factored into each block of the mineral resource and mineral reserve model.

Mineral reserves are assessed using commodity prices derived from long-term forecasts from analysts and banks. According to BBA, this pricing generally reflects the trends observed over the past one, three, and five years, and the forward-looking prices from internationally recognized banks are deemed appropriate for mineral reserve estimates.

Table: NSR parameters.

ProductUnitValue
Acid Soluble Copper Recovery%98.8
Cyanide Soluble Copper Recovery%85.4
Residual Copper Recovery%35.1
Recoverable Copper%90.9
Net Recoverable Copper%90.0
Copper Price$/lb4.00

Table: Operating costs for cutoff value calculations.

CriteriaUnitSanta CruzEast RidgeEast Ridge
30 m LongholeDrift and Fill15 m Longhole
LeachLeachLeach
Cathode Split%100.0100.0100.0
Onsite Costs
Mining Costs – Direct$/t processed31.0047.0547.05
Processing Costs$/t processed10.3210.3210.32
G&A$/t processed2.632.632.63
Onsite Total$/t processed43.9560.0060.00
Onsite Rounded NSR Breakeven Cutoff$/t44.0060.0060.00

Indicated mineral resources were converted to probable mineral reserves. Inferred mineral resources were excluded from the mineral reserve estimate. Mineral reserves for the Santa Cruz Copper Project are estimated for the Santa Cruz deposit and a portion of the East Ridge deposit, as well as the Verde domain within the Santa Cruz deposit.

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Mineral reserves are supported by a mine plan, engineering analysis, and modifying factors.

The point of reference for the mineral reserves is the point where the ore is delivered to the processing plant. Mineral reserves are reported on a 100% basis.

The mineral reserve estimate for the Santa Cruz Copper Project is shown in the table below.

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Table:   Santa Cruz Copper Project Mineral Reserve Estimate.

DepositClassificationTonnes (kt)Total Copper (%)Acid Soluble Copper (%)Cyanide Leach Copper (%)Residual Copper (%)Contained Copper (kt)Total Acid Soluble Cu (kt)Total Cyanide Cu (kt)Total Residual Cu (kt)
Santa CruzProbable132,0611.080.620.410.051,43082054465
East RidgeProbable4,1121.030.460.440.124219185
TotalProbable136,1731.080.610.410.051,47283956370

Notes: 1. The mineral reserves in this estimate are current to December 31, 2025 and were independently prepared, including estimation and classification, by BBA USA Inc. They are reported in accordance with the definitions for mineral reserves in S-K 1300. 2. The point of reference for the estimate is the point of delivery to the process facilities. 3. The mineral reserves for the Santa Cruz and East Ridge deposits were completed using Deswik mining software. Mineral reserves are defined within stope designs that are prescribed by rock mechanics, considering the specific characteristics of deposits, mineral domains, mining methods, and the mining sequence. Transverse longhole stoping is the optimal mining method with uppers and cut & fill methods used where appropriate. Mining will occur in blocks, extracting ore from the bottom upwards, with paste backfill providing ground support to sustain a production rate of 20,000 tonnes per day for the first 15 years of operation. 4. Mineral reserves are estimated at an NSR cutoff value of $43.95/t for longhole stoping and $60/t for longitudinal retreat stopes and drift and fill. The NSR values reflect the discrete metallurgical responses for each mineral reserve block using metallurgical recoveries for heap leach of 96% for acid soluble copper, 83% for cyanide soluble copper, 22% for residual copper. Underground mineable shapes optimization parameters include a long-term copper price of US$4.00/lb. 5. Mineral reserves account for mining loss and dilution. 6. Mineral reserves are a subset of the indicated mineral resource and do not include the inferred mineral resource. 7. Rounding, as required by the guidelines, may result in apparent summation differences between tonnes, grade, and contained metal content.

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Factors That May Affect the Mineral Reserve Estimate. Factors that may affect the mineral reserve estimate include the following:

•changes to long-term metal price assumptions

•changes to metallurgical recovery assumptions

•changes to the input assumptions used to derive the mineable shapes applicable to the assumed underground and open pit mining methods used to constrain the estimates

•changes to the forecast dilution and mining recovery assumptions

•changes to the cutoff grades used to constrain the estimates

•variations in geotechnical (including seismicity), hydrogeological, mining, and processing recovery assumptions

•changes to environmental, permitting, and social license assumptions.

Comparison to previous Mineral Reserve Estimate. Mineral Reserves were estimated for the Santa Cruz Copper Project for the first time in 2025. No previous Mineral Reserves are available to compare.

Mining Methods. The Santa Cruz Copper Project is an undeveloped brownfield project where mineral reserves have been identified for two deposits: Santa Cruz and East Ridge.

The Santa Cruz deposit is located approximately 480 to 940 meters below the surface. Based on the deposit geometry and supporting geotechnical data, transverse underground longhole stoping has been selected as the most suitable mining method. Mining will be conducted in blocks, with ore being extracted from the bottom upward within each block while utilizing paste backfill to provide ground support. A sill pillar will be maintained between the blocks. The paste backfill is designed to be strong enough to allow adjacent filled stopes to be mined without requiring additional pillars.

The East Ridge deposit is situated to the northeast of the main Santa Cruz deposit, approximately 310 to 790 meters below the surface. It consists of multiple inclined tabular lenses and will be mined using a hybrid approach that combines longhole stoping and the drift-and-fill method, depending on the geometry of the orebody in each zone, followed by paste backfill and curing before the development of the next adjacent drift in the orebody.

Mine access will be provided through two decline drifts from the surface: one for main access and the other for a Railveyor system to handle materials. Ore will be transported from the stopes by load-haul-dump (LHD) equipment to an ore pass system, which will transfer the ore from a chute to a conveyor system. From the conveyor system, it will be loaded onto the Railveyor and brought to surface.

The Santa Cruz Copper Project encompasses three mining zones: Santa Cruz, Verde, and East Ridge (Figure below). The Santa Cruz zone is the primary production area and is structurally divided into northern and southern regions.

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Figure. Mining Zones of Santa Cruz and East Ridge Deposits, View Looking North

The Santa Cruz Copper Project mine life is expected to be 23 years with construction from 2026 to 2028 followed by schedule production to 2051. The table below summarizes the production in the mine plan. The “Ore” column represents the total development and production ore for Santa Cruz, Verde, and East Ridge mining zones.

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Table: Santa Cruz Scheduled Production Summary.

YearOre (kt)Total Copper (%)AsCu (%)CNCu (%)Cu_Res (%)Ratio ASCU:TCU
202600.000.000.000.000.00
2027280.480.340.050.100.70
20281,6730.710.510.150.050.71
20293,9731.290.990.260.040.77
20305,3771.350.860.440.040.64
20316,7371.150.610.510.040.53
20327,4921.120.560.500.060.50
20337,4391.130.560.520.060.49
20347,8751.020.640.350.030.63
20357,4411.130.720.390.020.64
20367,7401.060.750.290.020.71
20377,9371.010.580.380.050.57
20387,9610.990.520.430.040.52
20397,2561.150.490.590.080.42
20407,4001.140.530.530.070.46
20417,8191.050.510.480.060.49
20427,8511.070.520.490.060.48
20435,9561.070.680.340.050.64
20444,1771.040.500.510.030.48
20453,7321.040.670.310.060.65
20463,3381.050.670.310.060.64
20473,4531.000.690.260.050.69
20483,5861.070.650.360.060.60
20493,6550.990.520.410.060.53
20503,6431.040.670.290.080.65
20512,6360.920.660.140.120.71
Total136,1731.080.620.410.05

The figures below show a tonne-grade graph for production and includes estimated waste rock and tonnes of material mined over the life-of-mine from the orebodies and development, respectively.

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Figure. Santa Cruz Tonne – Grade Graph

Figure. Santa Cruz Tonnes of Mined Material

The injection of activated colloidal silica to reduce water inflow within specific areas of underground development was evaluated by Geosyntec for the project. During initial decline development where the twin declines pass through the upper portion of the Gila conglomerate and other high hydraulic conductivity zones, standard ramp dewatering methods—in addition to methods like activated colloidal silica and cement grout injection are utilized to support underground development.

Recovery Methods. Process for the Santa Cruz Copper Project has been designed to cycle oxide and secondary sulfide ores through an on/off heap leach pad to produce a copper-rich pregnant leach solution (PLS) that will be processed in the onsite solvent extraction and electrowinning circuit for recovery.

The process designs were based on existing technologies and proven equipment. The process and refinery plant designs are based on the results of metallurgical testwork on the mineralized material at the Santa Cruz Copper Project. The designs are conventional.

The simplified overall process flow diagram is presented in the Figure below.

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Figure. Simplified Process Flowsheet

Run-of-mine ore will be delivered to surface at a diameter of less than 20 cm via the Railveyor. Ore from underground will be either fed, via a surge hopper, to crushing or diverted and conveyed to the coarse ore stockpile for future use. Fine ore (undersize from the crushing circuit) will be trucked to the agglomeration drums where sulfuric acid and sodium chloride can be added to facilitate agglomeration and leaching.

Crushed and agglomerated ore will be delivered to the leach pad via a combination of haul truck and overland conveying and stacking equipment. The final mobile conveyor will feed two self-propelled indexing conveyors in series, which in turn will feed the self-propelled mobile radial stacker. The cells will be ‘retreat’ stacked by the radial stacker in a half-moon shape.

The on/off heap leach pad will be divided into seven cells with spacer strips between the cells effectively creating multiple leach pads and providing safety zones between the cells. The liner for the leach pad is comprised of a high-density polyethylene geomembrane overlaying a geosynthetic layer of clay overlaying prepared native foundation materials or grading fill.

Ore will be stacked at up to 22,000 t/d, and will take approximately 36 days to stack each cell at design production rate. Each of the cells will progress through cycles in sequence with each stacking cycle taking 36 days and an entire cell cycle taking 265 days.

Ore produced from the underground mine will be processed using a heap leach and solvent extraction and electrowinning flowsheet to produce London Metal Exchange grade copper cathode. The heap leaching process will take place on an on/off pad. Spent ore will be removed from the leach pad and processed for paste backfill or stacked on a spent ore pile. Approximately 50% of the spent ore will be processed for use in paste backfill. Operations will be conducted 24 hours per day, 365 days per year for approximately 26 years at a design stacking rate of up to 22,000 t/d.

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Figure. Seven-Cell Heap Leach and Solution Management

The solvent extraction circuit design comprises two parallel trains. Each train will consist of two extraction stages, two wash stages, and one strip stage. The copper electrowinning tankhouse will comprise electrowinning cells with lead anodes and stainless-steel cathode blanks. Cathodes (copper electroplated onto stainless steel blanks) will be harvested manually using an overhead crane and bail. Cathodes will be stripped in an industry standard automated stripping machine and the washed blanks will be returned to the cells. Product cathode copper will be bundled, sampled, weighed, labeled, and shipped.

Infrastructure. The Santa Cruz Copper Project site surface infrastructure comprises the following:

•an open excavation 60-meter-deep “box cut” ramp for accessing a twin decline portal to the underground mine workings

•three ventilation shafts to facilitate air flows to the underground mine workings

•primary mine ventilation fans, hardware, and ducting to control ventilation to the underground mine workings

•refrigeration plant to control temperatures in the underground mine workings

•ventilation bore for refrigeration

•rock crushing process plant and temporary stockpiles

•two spent ore facilities; north and south pads

•on/off leach pad with associated collection ponds and mobile stacking

•solution extraction and electrowinning process facilities

•mobile cement batch plant facility

•paste backfill batch facility

•maintenance, and warehouse facilities

•first aid/rescue building

•multiple various ancillary outbuildings

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•entry security shack and various visitor and project parking spaces

•equipment delivery and open laydown/storage area

•multiple improved and unimproved access roads

•piping and pumping systems for process and water services

•explosives storage facility

•high-voltage transmission line and substation

•environmental monitoring facilities

•emergency power generation facility

•solar power and battery storage facility.

Key infrastructure locations are shown on the Figure below.

Figure. Santa Cruz Site Plan

Power for the project will be provided from a combination of onsite renewable energy supply and utility grid supply. The goal of the mine development is to achieve a minimum of 70% of the energy supply from renewable sources including onsite photovoltaic solar generation built by a third-party developer in conjunction with a Power Purchase Agreement

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(PPA) facilitated by local power provider Electrical District No. 3 (ED3) plus onsite battery energy storage system. The renewables facility was sized based on available area and to provide 40 MW of continuous power annually with over 90% load coverage.

The proposed onsite battery energy storage system consists of a lithium-ion system rated for 140 MW / 560 MWh. There is an additional opportunity to utilize the emerging vanadium redox flow battery technology. A percentage of the lithium-ion battery energy storage system could be replaced by a vanadium redox flow battery system. VRB USA is the holder of vanadium redox battery technology in the United States and is a wholly owned subsidiary of VRB Energy, a subsidiary that is 90%-owned and controlled by Ivanhoe Electric.

The Santa Cruz Copper Project will have an estimated operating load of 78.7 MW and a forecast annual consumption of between 580,000 and 690,000 MWh during peak production years.

Water supply for process operations will be sourced from existing grandfathered Type I non-irrigation rights and mine dewatering. Potable water will be trucked in from the city. Trucked water will be stored in a tank to service the surface facilities. Water management operations include systems of underground dewatering, water collection and conveyance facilities, water storage, water use, and various management options for discharge of excess water. Water not used for underground mining, the paste backfill plant, the process plant, and the on/off heap leach pad can be pumped to storage reservoirs. Rapid infiltration basins are used to capture non-contact stormwater runoff to prevent stormwater from coming into contact with mining operations. Testwork confirmed the extracted groundwater quality will be acceptable for irrigation use when applied to suitable crops (e.g., cotton, alfalfa, pasture grasses) commonly grown in the vicinity of the project. The water distribution system is designed to distribute water to agricultural end-users, without treatment, and includes a side-stream water treatment process that may be used if the extracted groundwater does not meet the standards defined by end-users.

Onsite accommodations facilities are neither required nor planned. Personnel will reside in nearby settlements including Casa Grande, Maricopa, the Phoenix metropolitan area, and Tucson, and will commute to site by vehicle. Parking, security, fencing, and a gatehouse are included in the design. The infrastructure buildings to be built on site include explosive magazine storage; cap magazine storage; core shack; process laboratory; security and main gate; fueling station; mine, plant operations building, changehouse, and mine dry; first aid and emergency rescue facilities; mining facility warehouse.

Market Studies and Contracts. Copper is a globally traded commodity that has established benchmark pricing in the form of exchanges such as the London Metals Exchange or Commodity Exchange Inc. The Santa Cruz Copper Project aims to produce copper cathode. Ivanhoe Electric plans to sell the copper in the United States.

Refined copper cathodes will be sold with reference to the prices on the Commodity Exchange or London Metals Exchange at an agreed-upon quotational period. An additional premium to the price will be negotiated with potential buyers. Factors affecting the premium will include the shape and chemical specification of the cathode, together with the geographical location of the delivery point in relation to where the cathode is going to be consumed.

This study uses a base copper price of $4.25 per pound, which is based on a review of the one-, three-, and five-year trailing averages, as well as consensus forecasts from major banks and a market study completed by Ocean Partners for Ivanhoe Electric.

Due to the shape, chemical composition, and origin point of the cathode, it is expected that a premium to the price will be negotiated with potential buyers that is marginally above the historical average. For financial modeling purposes, this premium is estimated at $0.14 per pound ($300 per tonne) (Ocean Partners, 2025).

The table below summarizes the one-, three-, and five-year trailing price for copper using the LME Grade A monthly average as well as consensus forecasts from the major banks (CIBC, 2025) and Ocean Partners (2025).

Table: Commodity Price Summary.

LME Trailing Average ($/lb)Forecast ($/lb)
1-Year3-Year5-Year2026202720282029Long-term
BBA14.223.963.95
Banks Forecast24.364.524.654.31
Ocean Partners34.314.544.764.654.31

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Notes: 1BBA, Metal Pricing_R00, June 2025. 2CIBC Consensus Commodity Prices – June 2025. 3Ocean Partners, April 2025. LME = London Metals Exchange.

At this time, no sales agreements or contracts have been executed with vendors, contractors, or manufacturers.

Environmental, Closure, and Permitting. Environmental studies have included examination of flora and fauna, threatened and endangered species, migratory birds, surface water mapping, cultural heritage, air quality, carbon intensity, surface water monitoring, groundwater monitoring, water quality, material characterization, and mine material environmental behavior.

Much of the property has been previously disturbed from its natural state. These disturbances include flood control features, such as the canal identified as the Santa Cruz Wash Canal, paved and unpaved roads, and agricultural practices. These disturbances have removed all potential natural surface water features that may have existed in this area. The only features within the property that possess characteristics of an ordinary high-water mark and may be potential Waters of the United States are the north branch of the Santa Cruz Wash and the constructed Santa Cruz Wash Canal.

The project is committed to responsible environmental management, with a particular focus on minimizing air quality impacts. The project is located within the West Pinal County PM10 (particulate matter emissions with a diameter less than 10 microns) nonattainment area. Accordingly, the project will take specific measures to control and effectively mitigate dust. These measures will be in alignment with both local and state requirements.

A groundwater monitoring program to continue collecting baseline water quality data was developed and implemented in October 2023. The objective of the monitoring plan is to establish a current baseline water quality profile for the site and help inform Ivanhoe Electric on best management practices for groundwater monitoring during and after mining operations.

The major permits for the project will require state, county, and local authorizations. Several of these permits have been issued for exploration activities and are in the process of being amended for project construction activities. Other permits for construction activities have been submitted and are currently under review by the agency or approved. The remaining permit applications for construction and operations will be prepared and submitted as sufficient design and engineering information become available.

The eventual closure and reclamation of the Santa Cruz Copper Project will be directed and regulated under two separate but interconnected regulatory programs in Arizona: the Arizona State Mine Inspector and the Arizona Department of Environmental Quality. Both programs are well-established and statutes and rules are subject to licensing timeframes.

Once the facility has been sufficiently designed to advance to mine development and operation, Ivanhoe Electric will need to apply for and receive an Areawide Aquifer Protection Permit from the Arizona Department of Environmental Quality and submit and receive approval from the Arizona State Mine Inspector for a mined land reclamation plan detailing the project closure approach. Related closure cost estimates for financial assurance must be submitted following approval and before facility construction and operation.

Although an operational mined land reclamation plan has not yet been developed for the project, a preliminary closure cost estimate has been developed. Based on the conceptual design plan in this report, the closure costs for the Santa Cruz Copper Project are estimated at $35 million.

In alignment with Ivanhoe Electric’s community engagement and partnership standards, the project is being developed with a well-defined strategy to establish and uphold the support of the surrounding communities. At present, the project has initiated outreach with Native American communities that have ancestral ties to the land. In addition, community outreach with local stakeholders, and community involvement and potential partnerships are actively being pursued and/or assessed.

Capital and Operating Cost Estimates

Capital Cost Estimate. For the Santa Cruz Copper Project, capital and operating costs were determined based on the mine plan and SX/EW plant design. The estimation process incorporated assessments of material and labor requirements derived from the design, analysis of the process flowsheet, and anticipated consumption of power and supplies.

Cost estimation is based on a combination of vendor and consumable quotes and an internal database. Approximately 80% of the capital estimate is based on detailed quotes with estimated labor installation. For the purposes of this study, initial capital expenditure is assumed to be costs incurred in 2026, 2027, and 2028. By the end of 2028, ore production from stopes has been established and the SX/EW plant has been installed to begin copper production. Additional mine and

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plant capital costs are incurred from 2029 and 2050 to continue meeting mine ramp up and production demands and are included in sustaining capital costs.

Total life-of-mine capital costs are $2.36 billion: $1.24 billion in initial capital and $1.28 billion in sustaining capital. Capital costs are summarized in the table below.

Table: Estimated Capital Costs.

Capital Costs SummaryInitial Cost ($M)Sustaining Cost ($M)Total LOM Capital Cost ($M)
Pre-production Mining Costs8989
Mining6881,1931,881
Process24065305
Surface Infrastructure61869
Indirects46753
EPCM64266
Contingency48553
Total Initial Capital1,236
Total Sustaining Capital1,281
Reclamation and Closure Costs*2-163-161
Total Life-of-Mine Capital Costs1,2381,1182,355

Note: Closure costs include land sales at the end of the life of mine. Totals may not sum due to rounding.

Operating Cost Estimate. Total life-of-mine operating costs are $3.95 billion, as summarized in the table below.

Table: Estimated Operating Costs.

Category$M Total$/t Ore Processed$/lb Copper Produced
Mining
Consumables1,2399.220.41
Mobile Equipment4323.240.14
Haulage390.290.01
Labor6264.730.21
Power1491.190.05
Mine Services and Indirect550.400.02
Subtotal2,53819.070.85
SX/EW Plant and Infrastructure
Consumables2762.030.09
Hauling and Mobile Equipment1771.300.06
Labor1851.360.06
Power3002.200.10
Maintenance580.430.02
Subtotal9967.310.33
G&A4143.040.14
Total3,94829.421.32

Note: Totals may not sum due to rounding.

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Economic Analysis. Based on the cash flow model, the after-tax financial model resulted in an IRR of 20.0% and an NPV of $1.4 billion using an 8% discount rate. The after-tax payback period, after start of operations, is 4.4 years. The pre-tax base case financial model resulted in an IRR of 22.0% and an NPV of $1.9 billion using an 8% discount rate. The book value of the Santa Cruz property and its associated plant and equipment as at December 31, 2025 was $177.8 million.

The Santa Cruz Copper Project contemplates average annual copper cathode production of approximately 72,000 tonnes for the first 15 years of copper production and the average annual production is approximately 35,000 tonnes for the remaining 8 years of the life of mine.

The total life of mine is 23 years at an average C1 cash cost of $1.32 per pound of copper and sustaining cash costs of $2.01 per pound of copper.

A variable cut-off grade strategy optimizes recovery in the early years and maximizes mine life in the later years of the mine plan.

The financial analysis summary is shown in the table below.

Table: Estimated Operating Costs.

DescriptionUnitsLife of MineFirst 15 Years
Production Data
Mine Lifeyears2315
Reserve TonnesMt136106
Copper Grade%1.081.10
Daily Throughputt/d15,00020,000
Annual Copper Productiont/y56,68572,186
Total Copper Cathode Producedkt1,3601,083
Recovery%92.292.4
Capital Costs
Initial Capital$M1,236-
Sustaining Capital$M1,2811,176
Unit Costs
Mining Cost$/t processed19.0719.55
Processing Cost$/t processed7.317.02
General and Administrative Cost$/t processed3.043.03
Royalties$/t processed5.265.56
Total Operating Cost$/t processed34.6835.16
Operating + Sustaining Cost$/t processed43.9846.23
C1 Cash Cost$/lb of copper1.321.29
All-in-Sustaining Cost$/lb of copper2.011.99
Financial Analysis
Copper Price$/lb4.254.25
Domestic Cathode Premium1$/lb0.140.14
Pre-Tax Cashflow$M6,1484,501
Pre-Tax Net Present Value (8%)$M1,880-
Pre-Tax Internal Rate of Return%22.0-
After-Tax Cashflow$M4,9613,637
After-Tax Net Present Value (8%)$M1,376-
After-Tax Internal Rate of Return%20.0-
After-Tax Payback Periodyear4.4

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Risks. The risks associated with the Santa Cruz Copper Project are generally those expected with underground mining operations and include the accuracy of the mineral resource and mineral reserve models, and/or operational impacts.

In addition, the noted factors that may affect the mineral resource and mineral reserve estimates include:

•The capital cost estimates at mines under development may increase as construction progresses. This may negatively affect the economic analysis that supports the mineral reserve estimates.

•The life-of-mine plan assumes that the project can be permitted based on envisaged timelines. If the permitting schedule is delayed, this could impact costs and proposed production.

•The long-term reclamation and mitigation of the Santa Cruz Copper Project are subject to assumptions as to closure timeframes and closure cost estimates. If these cannot be met, there is a risk to the costs and timing.

•Climate changes could impact operating costs and ability to operate.

•Political risk from challenges to the current state or federal mining laws.

Opportunities. Potential opportunities for the project include the following:

•Upgrade of some or all the inferred mineral resources to higher-confidence categories, with additional drilling and supporting studies, such that this higher confidence material could potentially be converted to mineral reserves.

•Optimizing the mine plan based upon market conditions. At present, the production stopes are dictated by their copper content based upon a flat long term copper price.

•Completing additional underground core diamond drilling and development within the ore, there could be a reason to increase the width and/or height of the stopes, if geotechnical factors allow.

•Ivanhoe Electric holds a significant ground package that retains significant exploration potential for new operations proximal to the current mineral resource and mineral reserve estimates, with the support of additional studies.

•Ongoing leach testwork will focus on optimizing leach conditions to maximize copper recovery from chalcocite and reduce heap leach pad capital costs and SX circuit capital costs.

•Simplification and optimization of the ore crushing circuit should provide for an opportunity to reduce plant capital costs.

•Use of two decades of South American knowledge and expertise at applying chloride-assisted leach technology to inform construction of the on/off heap leach pad.

•The low elevation profile of the heap leach pad (6-meter lift on/off pad) and the flat topographic terrain should provide cost saving opportunities to use low head type pumps for pregnant leach solution, raffinate, and organic pumping that can use less expensive materials of construction for pumps like fiberglass, bromo-butyl rubber-lined carbon steel (not applicable for organic) and HDPE compared to exotic metal pumps resistant to this corrosion environment such as tantalum and titanium.

•There is potential for a considerable positive impact to the operating cost estimate by optimizing the paste backfill recipe and reducing the binder requirements.

•There is potential to increase material handling and throughput, further optimizing the mine plan.

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Conclusions. Under the assumptions presented in the PFS, the Santa Cruz Copper Project consists of mineral resource and mineral reserve estimates that support a positive cash flow.

Recommendations. The recommended work programs to advance detailed engineering, operational readiness, permitting, and critical long-lead items total $22.4 million. The budget for recommended work is summarized in the table below.

Table: Proposed Reagent & Process Consumables.

DisciplineCost ($M)
Permitting1.4
Environmental Testing1.0
Detailed Engineering – Surface & Underground9.1
Long-Lead Items3.7
Project Support4.2
Contingency3.0
Total22.4

Financing

Ivanhoe Electric’s wholly-owned subsidiary, Mesa Cobre, closed a two year senior secured multi-draw bridge facility of $200 million (the “Bridge Facility”) on December 12, 2025. The Bridge Facility is intended to support the development and construction of the Santa Cruz Copper Project. Outstanding amounts under the Bridge Facility will bear interest at our election, either at (i) the forward-looking term rate based on the Secured Overnight Financing Rate administered by the Federal Reserve Bank of New York (“Term SOFR”) plus a margin of 5.0%, increasing by 0.5% on each of the 6th, 12th, and 18th month following the closing date, or (ii) the alternate base rate defined as the highest of (a) the rate of interest last quoted by The Wall Street Journal as the “prime rate” in the U.S., (b) the federal funds rate plus 0.50%, and (c) one-month Term SOFR plus 1.00%, plus the Applicable ABR Rate (as defined below). Default interest is the applicable rate plus 2.00% per annum. “Applicable ABR Rate” means (i) until (and including) June 30, 2026, 4.00% per annum, (ii) from (but excluding) June 30, 2026 and until (and including) December 31, 2026, 4.50% per annum, (iii) from (but excluding) December 31, 2026 and until (and including) June 30, 2027, 5.00% per annum, and (iv) thereafter, 5.50% per annum. Interest is payable on the last business day of each fiscal quarter, beginning March 31, 2026. Mesa Cobre is permitted to make optional prepayments, and is required to make prepayments equal to the cash proceeds of any new indebtedness (other than permitted indebtedness). Mesa Cobre owes customary agent and arranger fees under fee letters and a commitment fee equal to 25% of the then Applicable SOFR Rate on the unused commitments, payable on each interest payment date.

In connection with the Bridge Facility, (i) Mesa Cobre entered into a security agreement with the Collateral Agent which granted a first priority lien on substantially all of its assets, subject to customary exceptions, (ii) Ivanhoe Electric guaranteed Mesa Cobre’s payment obligations pursuant to a guaranty agreement in favor of the Administrative Agent whereby Ivanhoe Electric agrees to maintain at all times a tangible net worth of not less than $225.0 million, (iii) Ivanhoe Electric pledged its shares of Mesa Cobre pursuant to a pledge agreement between Ivanhoe Electric and the Collateral Agent, and (iv) Mesa Cobre executed a deed of trust and assignment of rents in favor of the Collateral Agent with respect to Mesa Cobre’s real property rights.

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Other Properties

At our other U.S. exploration projects, we advanced exploration work programs in 2025. At the Tintic Project, mapping and sampling campaigns were conducted in 2025 to refine precious metal rich replacement exploration concepts. At the Hog Heaven Project, detailed core scanning and analytical work, as well as additional ground magnetotelluric surveying has allowed for scoping of the next round of exploration concepts for future drilling. At the Gleeson Project, we conducted data compilation and land consolidation and began exploration drilling.

Tintic Project, Utah

The Tintic Project is located near the City of Eureka, approximately 95 km south of Salt Lake City, and can be accessed from U.S. Highway 6, approximately 30 km west of the Interstate 15 junction. As of December 31, 2025, Ivanhoe Electric holds various types of claims and leases through our wholly-owned subsidiary Tintic Copper & Gold Inc. (TCG) or other subsidiaries. Our holdings at the Tintic Project are comprised of 79.23 km2, consisting of patented claims, unpatented mining lode claims, Utah School and Institutional Trust Lands Association (SITLA) mineral leases, Hardrock Prospecting Permits (HRPP) on Bankhead-Jones lands, and various patented claims subject to lease or lease and option agreements.

To retain an unpatented claim on federal land in the USA, a $200 maintenance fee per claim is due annually by September 1st. Based on the current landholding this amounted to $41,200 in annual payments for claim retention at the Tintic Project.

In 2025, certain lands on which TCG has valid unpatented mining claims were transferred to the State of Utah. The cost to maintain claims with the State of Utah is a $100 maintenance per claim, due by December 31 each year. Based on the current landholding this amounted to $29,200 in annual payments for claim retention.

Ivanhoe Electric is a party to various lease and option agreements with land and mineral rights holders throughout the Project area. The estimated annual cost of lease payments is $189,000.

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Map: Claims and leases at the Tintic Project.

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Royalties. Significant portions of the patented and unpatented mining lode claims are subject to NSR royalty agreements, ranging between 1% and 4%, which would be payable upon production and sale of product, i.e., there are no advance royalties.

Map: Royalties at the Tintic Project.

The Tintic Project is an exploration stage project without Mineral Reserves or Mineral Resources. There is no mine in production at the Tintic Project and no mining activity by us has ever taken place on the land constituting the Tintic Project.

There is currently no significant equipment, infrastructure or facilities at the Tintic Project, and no mine development or operating equipment at the project site. Historical mine equipment, shafts, and adits are ubiquitous throughout the area. There is no mining or operating infrastructure at the Tintic Project that would be intended to be used in future mine operations.

Exploration activities in 2025 included a surface mapping campaign over Sioux Peak, re-logging of several drill holes, and the generation of a drill program targeting carbonate replacement deposits.

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Hog Heaven Project

The Hog Heaven Project in Montana is located on private land approximately 80 km south-southwest of the town of Kalispell, Montana. It is in the historical Hog Heaven District which consists of several high-sulfidation epithermal mineral deposits and prospects, as well as several historical mines, including the Flathead Mine. We believe the Hog Heaven District is underexplored at depth, with a substantial alteration footprint and multiple mineralized centers.

In 2021, we entered an earn-in agreement with Brixton Metals Corporation (“Brixton”). Brixton owns the Hog Heaven Project through its subsidiary Brixton USA, covering an area of 24.32 km2 through the following interests: 2.59 km2 of deeded fee simple land both surface and minerals and 14.06 km2 of fee simple mineral rights. The balance, 7.67 km2, is held via lease of three parcels owned by the Chester Company Ltd.

In 2024, Ivanhoe Electric leased a further 4,925 acres of private surface and mineral rights at the Hog Heaven Project from a private owner, advancing additional consolidation of the district and providing additional access to areas prospective for porphyry systems. This lease is effective for an initial 10 year term and can be extended by up to three consecutive ten-year terms.

Ivanhoe Electric’s estimated annual cost of future payments to retain the agreements is $137,680. One milestone payment of $1,000,000 is required in 2026 as part of the earn-in agreement with Brixton.

Figure: Hog Heaven plan map showing Ivanhoe Electric drill hole locations, historical mine workings, and historical drilling.

Exploration activities in 2025 included a magnetotelluric geophysical survey and relogging of core from the 2023-2024 drill program. A follow-up drill program is planned for 2026 to explore for porphyry copper mineralization at depth.

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Gleeson Project

The Gleeson Project is an exploration stage project and comprises 268 unpatented federal lode claims, 10 Arizona State Land Department mineral exploration permits, four leases with option, one lease, and one parcel of fee simple land as of December 31, 2025, totaling 37.72 km2.

The Project is located within the historic Courtland-Gleeson mining district (actively mined from 1890-1957) in south-eastern Arizona, which comprises copper-gold-silver-zinc-lead carbonate-replacement deposits hosted in Paleozoic carbonate rocks, intruded by a series of Jurassic intrusions. Exploration is aimed at determining if porphyry copper and carbonate-replacement mineralization is present at depth adjacent to the known fault-displaced mineralization in the historic mining district. Mapping and sampling was progressed across private land within the historic mining district. Drilling is ongoing, having commenced in November 2025, with 1,496.63 meters drilled in two holes as of December 31, 2025.

BHP- Ivanhoe Electric Exploration Alliance (the “BHP Alliance”)

On May 7, 2024, we entered into an Exploration Alliance Agreement with BHP Mineral Resources Inc. (“BHP”) for the exploration of mutually agreed “Areas of Interest” in the United States to identify copper and other critical metal exploration opportunities within those Areas of Interest that may become 50/50 owned joint ventures. The initial Areas of Interest are in New Mexico, Arizona, and Utah.

The Exploration Alliance Agreement is for a term of three years, which may be extended upon mutual agreement. BHP has agreed to provide initial funding of $15 million, and any subsequent funding would be on a 50/50 basis. The Exploration Alliance Agreement contemplates two stages – a Project Generation Phase and a Joint Venture Phase. A subsidiary of Ivanhoe Electric will be the operator during the Project Generation Phase and the operator of a project in the Joint Venture Phase will be mutually agreed upon in the future. During the Project Generation Phase, the parties will conduct early-stage generative exploration activities in the six initial Areas of Interest. The goal of these initial activities is to identify and stake mineral rights within the Areas of Interest to form a project and/or acquire such mineral rights from third parties. For each Area of Interest, an Area of Interest LLC will be created to hold the applicable rights and engage in all early-stage exploration. A subsidiary of Ivanhoe Electric will initially own 100% of each Area of Interest LLC. If agreed by the parties, an Area of Interest will be progressed to the Joint Venture Phase, resulting in the creation of a Joint Venture with 50/50 ownership. The purpose of the Joint Venture Phase is to further explore and evaluate the exploration results to assess its technical and economic merit, and if agreed upon, to develop and operate a mine and associated infrastructure. During the Joint Venture Phase, each Party will contribute pro rata to their respective interest in the Joint Venture in accordance with the applicable Joint Venture documents, with each party having the right to take any product from the Joint Venture in kind in proportion to its equity interest existing at the relevant time.

As of December 31, 2025, staking has occurred on one Area of Interest (AOI) in New Mexico and on one AOI in Arizona.

Ivanhoe Electric provided access to one of the new Generation 2 Typhoon™ systems and a 2D Typhoon™ survey was completed at an AOI in Utah and two 3D Typhoon™ surveys were completed on an AOI in Arizona.

Results from the 3D Typhoon™ survey have resulted in a drill program at the surveyed AOI in Arizona. As of December 31, 2025, approximately 1,600 m have been drilled. The drill program is planned to continue into 2026.

Bristol

The Bristol Project is an exploration stage project and comprises 353 unpatented federal lode claims in Nevada. The Project is hosted in Paleozoic quartzite, shale, and overlying carbonate rocks. The sedimentary sequence was intruded by Oligocene porphyry dikes associated with the western end of the Wah Wah-Tushar magmatic trend (Pioche-Marysvale mineral belt). Mineralization at surface consists of copper-lead-zinc carbonate replacement deposits hosted in Cambrian Carbonate rocks. Subsequent Tertiary extensional normal faulting has dissected and offset the mineral system. Exploration is aimed at determining if a productive porphyry copper-molybdenum-gold system is present at depth.

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Lomitas Negras

The optioned Lomitas Negras Project is an exploration stage project and comprises four Arizona State Mineral Exploration Permits over covered basin, concealing Laramide age intrusive rocks prospective for porphyry copper deposits and related mineralization. The area shares some analogs to the nearby San Manuel-Kalamazoo porphyry district.

The Lomitas Negras Project is one of four projects optioned by Ivanhoe Electric from Bronco Creek Exploration Inc. in November 2025. The other projects are the Globe-Miami Projects described below. For each project, Ivanhoe Electric has the right to acquire 100% over an eight-year option period by making aggregate annual payments of up to $2.3 million, and cumulative aggregated exploration expenditures of up to $10.8 million in aggregate on all four optioned projects. Following completion of the payments at each project, Ivanhoe Electric has the right, but not the obligation, to exercise each option and acquire 100% of the relevant project. Ivanhoe Electric may also drop an option at any time without further payment.

Should an option be exercised and Ivanhoe Electric acquires the project, it will convey a 2.5% net smelter return royalty to Bronco Creek but will retain the right to buy-down up to 0.5% of each NSR for $4 million per project over staged payments prior to the commencement of commercial production. Ivanhoe Electric will also be required to make certain pre-production and project development milestone payments following exercise of an option and prior to commercial production.

Globe - Miami

Ivanhoe Electric has optioned three projects in the Globe-Miami area of Arizona: Sleeping Beauty, Dragon’s Tail, and Copper King.

Sleeping Beauty comprises 291 unpatented federal lode claims land and is hosted in Precambrian Granite overlain by late Precambrian sedimentary rocks variably intruded by diabase. These are overlain by Paleozoic carbonate rocks. Host rocks intruded by Laramide Age (64 Ma) stocks and porphyry dikes, with related copper (-molybdenum) mineralization. Exploration is aimed at determining if there is fault-displaced mineralization offset from the nearby Copper Cities deposit, owned by BHP.

Dragon’s Tail comprises 169 unpatented federal lode claims near the Resolution Copper Project, owned by Resolution Copper (A Rio Tinto and BHP Joint Venture). The Project is hosted in Proterozoic Apache Group supra-crustal rocks, diabase sills, and Paleozoic carbonates (same host rocks as the Resolution Copper deposit) overlain with post-mineral Tertiary volcanics. Exploration is aimed at determining if porphyry copper mineralization is present.

Copper King comprises 232 unpatented federal lode claims near the Resolution Copper Project, owned by Resolution Copper. As with Dragon’s Tail, the Project is hosted in Proterozoic Apache Group supra-crustal rocks, diabase sills, and Paleozoic carbonates (same host rocks as the Resolution Copper deposit) overlain with post-mineral Tertiary volcanics. Exploration is aimed at determining if porphyry copper mineralization is present.

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International

Saudi Arabian Joint Venture

In 2023, Ivanhoe Electric and Maaden established a Saudi Arabian exploration Joint Venture (the “Joint Venture”) through the limited liability company, Saudi JVCo, to unlock the significant mineral potential in Saudi Arabia. The Joint Venture has at the date of this annual report exclusive access to explore approximately 50,000 km2 of underexplored land on the Arabian Shield that Maaden has made available to the Saudi JVCo.

Map: Location of the Ivanhoe Electric Maaden Joint Venture within the country of Saudi Arabia.

On September 2, 2025, the Company announced that Maaden had made available an additional 1,345 km2 of exploration licenses to the Joint Venture, including the Musayna’ah, La Huf, Mahd, and Baara Exploration Licenses.

The Musayna’ah Licenses, totaling 946 km2, encompass an area exhibiting the characteristics and widespread mineralization and alteration assemblages typical of iron oxide copper gold (IOCG) deposits. Exploration work by Maaden

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has defined several large areas of highly anomalous copper in soil geochemistry, where earlier exploration drilling intersected widespread low-grade copper mineralization, and localized higher-grade domains associated with structures. Only a small portion of the approximately seven-kilometer-long main anomalous footprint has been explored.

The La Huf, Mahd, and Baara Exploration Licenses (the “Mahd Area Licenses”) comprise 399 km2 adjacent to Maaden’s Mahd Ad Dhahab gold mine, known as the “Cradle of Gold,” and which has been in production for over 3,000 years. Historical exploration by Maaden included shallow drilling primarily aimed at defining near-surface gold deposits, which intersected gold mineralization with associated copper and zinc. The licenses are prospective for additional precious and base metal mineralization beneath the limits of shallow historical drilling.

For full year 2025, the Joint Venture has completed approximately 933 square kilometers (1,270 square kilometers to date) of geophysical surveys using the Company’s advanced Typhoon™ system and drilled four holes totaling approximately 2,130 meters (16 holes for 10,461 meters to date) across the Al Amar Belt, and seven holes totaling 2,282 meters across the Wadi Bidah Belt. Drilling at Al Amar hit narrow intervals of low- to high-grade base and precious metals mineralization associated with Typhoon™-identified anomalies at depths of up to one kilometer.

For 2026, the Joint Venture plans to continue Typhoon™ surveying at the Wadi Bidah, Musayna’ah, and Mahd Licenses. The Joint Venture will also start large scale surveying in the new Dhiran licenses, which was awarded to the Joint Venture in the Ministry of Mines’ “Tender Round 9” process run in late 2025. The Dhiran licenses are the only exploration licenses owned by the Joint Venture and are not made available to the Joint Venture from Maaden. Surveying will also take place on the platform licenses, starting with Ar Rayn B. This surveying is in addition to ongoing geological work, geochemical sampling, ground gravity and ground magnetic surveying. Drilling is currently underway at the Wadi Bidah area, and is being planned for Bir Umq, Mussayna’ah, Dhiran and the Platform later in the year.

Ivory Coast Nickel-Copper Project, Ivory Coast (the “Ivory Coast Project”)

The Ivory Coast Project is located approximately 650 road km northwest of Abidjan, Ivory Coast. As of December 31, 2025, our 69.1% interest in the Ivory Coast Project was held through our 22.7% equity interest in Sama and our 60% interest in the SNC joint venture described below. In 2024 we completed our 60% earn-in into SNC and as at December 31, 2025, we directly owned 60% of the joint venture entity SNC.

The Ivory Coast Project consists of four exploration permits and one exploration permit application owned by SNC, which is the joint venture vehicle in which we are partnering with Sama to advance the Ivory Coast Project, which cover a total of 839.03 km2 Two of the exploration permits are held in a 66 2/3 / 33 1/3 joint venture with Société pour le Développement Minier de la Côte d’Ivoire (SODEMI), a parastatal organization established by the Ivory Coast and which together cover 319 km2 of the Ivory Coast Project.

In April 2018, pursuant to an investment agreement, Sama granted to us a right to nominate to the Sama board of directors two (2) directors as long as our shareholding interest of Sama remains above 10% but less than 50%, and four (4) directors if our shareholding rises to greater than 50%. Mr. Quentin Markin and Mr. Terry Krepiakevich are our director representatives on the board of Sama.

The Mineral Resource estimate for the Ivory Coast Project is set forth below, under the heading “Mineral Resources and Mineral Reserves”. Glen Kuntz, P. Geo., our non-independent Qualified Person, reviewed and confirmed that the estimate satisfied S-K 1300 standards and remained accurate as of December 31, 2025.

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Map: Location of the Ivory Coast Project within the country Ivory Coast.

The 2025 exploration program included plans for 4,500 m of diamond drilling as well as updated environmental and social baseline studies to support Project advancement toward a mining permit application. Approximately 840 m of exploration drilling were completed at the Mossikro Prospect 10 km to the south-southwest of the existing mineral resources. Drilling was also conducted to the southwest of the Samapleu Extension Deposit. The remaining drilling is anticipated to take place in 2026.

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Alacrán Copper-Gold Project, Colombia (the “Alacrán Project”)

On July 31, 2017, we (then HPX) entered into an investment agreement with Cordoba. Under that agreement, Cordoba granted us a right to nominate directors to its board of directors based on our pro rata interest in Cordoba. The investment agreement provides for our nominees to the Cordoba board to be reduced to less than a majority of the directors if our ownership interest in Cordoba is diluted to below 50%, with further proportional reductions thereafter. Assuming the board of Cordoba is comprised of seven directors and we hold a 50% or greater interest in Cordoba, we are entitled to nominate four directors, with at least one of such nominees being independent. We owned 60.8% of Cordoba as of December 31, 2025 and had nominated four directors to the Cordoba board: Quentin Markin, Jordan Neeser, Glen Kuntz and Terry Krepiakevich.

On May 8, 2023, Cordoba closed on a strategic arrangement with JCHX, whereby JCHX, through a wholly owned subsidiary, acquired a 50% ownership interest in CMH Colombia S.A.S. (“CMH”), a company existing under the laws of Colombia, for aggregate consideration of $100 million. As of July 4, 2025, JCHX had paid $100 million pursuant to the terms of the arrangement, including the final payment of $20 million received after waiving the condition of the approval of an Environmental Impact Assessment (“EIA”) by the relevant Colombian Government authority.

On May 8, 2025, Cordoba, signed a definitive Framework Agreement for the sale of the Company’s remaining 50% interest in the Alacrán Copper Project to a consortium of investors including JCHX (“JCHX Consortium”), a 19.2% shareholder of Cordoba, for up to $128 million, consisting of $88 million in cash on closing, $12 million in a deferred payment, and up to $28 million in a contingent payment depending on the copper price at the time of commercial production. The closing of the transaction was contingent upon the approval of the EIA.

On February 10, 2026, the agreement was amended to, among other things, provide for the full $128 million purchase price to be paid at closing and remove any post-closing payments, waive the closing condition of an Environmental Impact Assessment, add a new closing condition of JCHX shareholder approval, and extend the outside date to March 10, 2026. Cordoba has also agreed to use commercially reasonable efforts to distribute to its shareholders the net proceeds after satisfying all liabilities and obligations, subject to required approvals, such that $10 million will remain in Cordoba.

Following the closing of the transaction, Cordoba will continue to be a publicly listed company on the TSX Venture Exchange and will undertake a search for new business development opportunities. The Company will continue to hold the majority of Cordoba’s shares. See “Risk Factors — Risks Relating to Our Operations — There is no guarantee that the sale transaction will close or the payments due under the agreement for the sale of Cordoba’s remaining interest in the Alacrán Copper Project will be received.”

The Alacrán Project is situated in the municipality of Puerto Libertador, which is approximately 390 km northwest of Bogotá, and 160 km north of Medellín in Colombia, amongst 22 mining concessions owned by CMH or its affiliates, of which, 5 licenses are part of the Alacran Project. Cordoba conducted several exploration programs between 2012 and 2023, consisting of geological mapping, geochemical sampling, geophysical surveys, and various drilling campaigns, that supported the completion of the technical studies in 2019, 2022 and 2023, which marks the beginning of the development phase for the Alacran Project.

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Map: Location of the Alacrán Project within the country of Colombia.

The Mineral Resource and Mineral Reserve estimate for the Alacrán Project is set forth below, under the heading “Mineral Resources and Mineral Reserves”. Glen Kuntz, P. Geo., our non-independent Qualified Person, reviewed and confirmed that the projected economics and the Mineral Resource estimate satisfied S-K 1300 standards and remained accurate as of December 31, 2025. Colin Shaw, P.E., our non-independent Qualified Person, reviewed and confirmed that the Mineral Reserve estimate satisfied S-K 1300 standards and remained accurate as of December 31, 2025.

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Pinaya Copper-Gold Project, Peru (the “Pinaya Project”).

The Pinaya Project is 100% owned by Ivanhoe Electric through Ivanhoe Electric’s subsidiary Kaizen Discovery Peru (Kaizen). Kaizen filed an NI 43-101 technical report for the Pinaya Project, titled “Pinaya Gold-Copper Project Technical Report” and which was prepared jointly by Brian Cole, P.Geo, and Ronald Simpson, P.Geo,, with an effective date of April 26, 2016 (“Pinaya Technical Report”), which is available on SEDAR. Scientific and technical information in this section regarding the Pinaya Project is based upon, or in some cases extracted from, the Pinaya Technical Report.

The Mineral Resource estimate for the Pinaya Project is set forth below, under the heading “Mineral Resources and Mineral Reserves”. Ronald G. Simpson, P.Geo., an independent Qualified Person, reviewed and confirmed that the Mineral Resource estimate satisfied S-K 1300 standards and remained accurate as of December 31, 2025.

Map: Location of the Pinaya Project within the country of Peru.

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Summary

Our portfolio of mineral exploration projects and equity investments are summarized in the tables below.

Table: United States Mineral Exploration Projects as of December 31, 2025.

Project NameLocation andProject SizeStage ofDevelopmentIvanhoe Electric Interestand Nature ofInterestTitle Holders /OperatorPrimaryMineralsNature ofMineral TitleMineralResources/ReservesAggregate AnnualProduction –Last 3Fiscal Years
Santa Cruz CopperArizona, USASurface24.04 km2Development100% of surface rightsMesa Cobre Holding Corp., a wholly-owned subsidiary (surface rights)CopperFee Simple land, unpatented mining claims; Arizona State exploration permitsMineral Resource and ReserveNot in production
Mineral 75.66 km2Development100% of the mineral titleMesa Cobre Holding Corp., a wholly owned subsidiary (remaining titles)
TinticUtah, USA79.23 km2ExplorationOptions and lease rights to 100% of the mineral title by acreageTintic Copper & Gold, Inc., a wholly-owned subsidiaryCopperGoldPatented and unpatented mining claims; SITLA leases, Hardrock Prospecting Permit leases, and SITLA applicationsn/aNot in production
Hog HeavenMontana, USA69.5 km2Exploration1.6% equity ownership of Brixton Metals Corporation0.1% ownership in Brixton USA, with earn-in up to a 75% project interestBrixton USA Corp. (joint venture company), a subsidiary of BrixtonCopperSilverGoldFee simple mineral rights, owned and leased, fee simple surfacen/aNot in production
GleesonArizona, USA 37.72 km2Exploration100% OwnershipDiamondback Copper, LLC. and IE Montana Holdings Corp., wholly owned subsidiariesCopperUnpatented mining claims; Arizona State exploration permits; owned and leased lands; Fee Simple landn/aNot in production
BHP AllianceNew Mexico, USA 45.05 km2 Arizona, USA 77.03 km2Exploration100% OwnershipSand Hill Exploration, Inc., a wholly owned subsidiaryCopperOwned or optioned unpatented mining claimsn/aNot in production
BristolNevada, USA 26.62 km2Exploration100% OwnershipIvanhoe Electric Nevada Holdings Inc., a wholly owned subsidiaryCopperUnpatented mining claimsn/aNot in production
PerseveranceArizona, USA 116.23 km2Exploration60.8% shareholder in Cordoba, which has 51% ownership - 31.8% ownership interestMMDEX LLC a joint venture company between Cordoba and Bell Copper Corp.CopperFee simple, Arizona State Mineral Exploration Permitsn/aNot in production
Lomitas NegrasArizona, USA 10.11 km2ExplorationOption for 100% OwnershipMesa Cobre Holding Corp., a wholly-owned subsidiaryCopperArizona State Mineral Exploration Permitsn/aNot in production
Sleeping BeautyArizona, USA 29.13 km2ExplorationOption for 100% OwnershipMesa Cobre Holding Corp., a wholly-owned subsidiaryCopperUnpatented mining claimsn/aNot in production
Dragon’s TailArizona, USA 12.82 km2ExplorationOption for 100% OwnershipMesa Cobre Holding Corp., a wholly-owned subsidiaryCopperUnpatented mining claimsn/aNot in production
Copper KingArizona, USA 17.33 km2ExplorationOption for 100% OwnershipMesa Cobre Holding Corp., a wholly-owned subsidiaryCopperFee simple, Arizona State Mineral Exploration Permitsn/aNot in production

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Table: International Mineral Exploration Projects as of December 31, 2025.

Project NameLocation andProject SizeStage ofDevelopmentIvanhoe Electric Interestand Nature ofInterestTitle Holders /OperatorPrimaryMineralsNature ofMineral TitleMineralResources/ReservesAggregate AnnualProduction –Last 3Fiscal Years
Saudi ArabiaSaudi Arabia 50,047.64 km2Exploration50% ownership of Joint Venture with MaadenMaaden/Ivanhoe ElectricBase Metals Precious MetalsExploration license or applicationn/aNot in production
SQM CollaborationAntofagasta, Chile 2,002 km2Exploration0% IE ownership with option to 50% on a qualifying copper discoverySQM and affiliatesCopperMining concessionsn/aNot in production
AlacránColombia 104.6 km2DevelopmentShareholder in CordobaCordobaCopperGoldSilverConstruction and Assembly; Exploration licensesMineral Resource & Mineral ReserveNot in production
Ivory Coast ProjectIvory Coast1,125 km2Exploration60% ownership of the Ivory Coast Project;Shareholder in SamaSociété pour le Développement Minier de la Côte d’IvoireNickelCopperCobaltPGEExploration licenseMineral ResourceNot in production
PinayaPeru 100.65 km2Exploration100% ownershipCanper Exploraciones S.A.C.Copper GoldConcessionMineral ResourceNot in production

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Mineral Project Obligations and Payments

As described above, for many of our mineral projects, we do not own the underlying mineral titles or rights but maintain an option or a right to acquire such titles or rights. Such options or rights may be held through an option arrangement, an earn-in, or through the payment of deferred consideration.

The table below summarizes the cash payments that may be made in respect of each project. Commitments that are non-discretionary are payments we are required to make. Payments that are discretionary are payments that we are not required to make, but if we fail to make the payment in the amounts and when due, we will lose the rights associated with the project.

Table: Mineral Project Obligations and Payments 2026 - 2032, as at December 31, 2025 ($ thousands).

Mineral ProjectCommitment2026202720282029-20322026-2032 Total
Hog HeavenDiscretionary$1,000$1,000$1,727$15,000$18,727
TinticDiscretionary335125120350930
GleesonNon-discretionary652652
GleesonDiscretionary494391,0574031,993
Copper KingDiscretionary25506503,5504,275
Dragon's TailDiscretionary25506503,5504,275
Lomitas NegrasDiscretionary15152251,3451,600
Sleeping BeautyDiscretionary25254502,4752,975
Perseverance (Cordoba)Discretionary8,1698,169
Total$10,740$1,304$4,879$26,673$43,596

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Mineral Resources and Reserves

Below is a summary table of estimated in situ Mineral Resources as at December 31, 2025, which are presented on an attributable basis, exclusive of Mineral Reserves.

CompanyDepositAttributable Ownership of DepositCategoryAttributable TonnesTotalCu (%)Ni (%)Au (g/t)Ag (g/t)Attributable Contained Cu (tonnes)Attributable Contained Ni (tonnes)Attributable Contained Au (oz)AttributableContainedAg (oz)GeographicAreaResourceCategory
Ivanhoe Electric Inc.- Mesa Cobre Inc.1Santa Cruz100.0%Indicated178,451,0000.800.0241.431,435,000139,0008,211,000Arizona,U.S.Copper
Inferred31,998,0000.730.0211.78232,00021,0001,832,000
East RidgeIndicated4,407,0000.940.0150.7141,0002,000101,000
Inferred48,676,0000.890.0060.40436,0009,000623,000
TexacoInferred341,345,0000.780.0280.812,664,000302,0008,850,000
Ivanhoe Electric Inc. - Kaizen Discovery Peru SAC2Pinaya100.0%Measured8,204,0000.3260.60027,000158,000PeruCopper Gold
Indicated33,487,0000.3240.462108,000497,000
Inferred40,216,0000.3600.300145,000388,000
Sama Nickel Corporation Inc.3,4Samapleu Main69.1%Indicated10,536,0000.220.260.0424,00027,00013,000Ivory CoastNickel Copper
Inferred14,747,0000.210.250.0430,00037,00017,000
Samapleu ExtensionIndicated355,0000.160.250.026001,000300
Inferred7,522,0000.220.280.0216,00021,0006,000
GrataIndicated2,519,0000.290.280.047,0007,0004,000
Inferred46,485,0000.250.240.04115,000113,00057,000
Sipilou SudInferred1,448,0001.7525,000
Cordoba Mineral Corp.5Alacran31.2%Indicated475,0000.280.884,00013,000ColombiaCopper Gold Silver
Inferred9,934,0000.200.251.1020,00081,000343,000
Total6Measured8,204,00027,000158,000
Indicated230,230,0001,615,60035,000659,3008,325,000
Inferred542,371,0003,658,000196,000881,00011,648,000

Below is a summary table of estimated in situ Mineral Reserves as at December 31, 2025, which are presented on an attributable basis.

CompanyDepositAttributable Ownership of DepositCategoryTonnesTotalCu (%)Ni (%)Au (g/t)Ag (g/t)AttributableContainedCu (tonnes)Attributable Contained Ni (tonnes)Attributable Contained Au (oz)AttributableContainedAg (oz)GeographicAreaResource Category
Ivanhoe Electric Inc.- Mesa Cobre Inc.7Santa Cruz100.0%Probable132,061,0001.081,430,000Arizona, U.S.Copper
East RidgeProbable4,112,0001.0342,000
Cordoba Mineral Corp.8Alacran31.2%Probable30,560,0000.410.232.63126,000230,0002,586,000ColombiaCopper Gold Silver
TotalProbable166,733,0001,598,000230,0002,586,000

1S-K Preliminary Feasibility Study & Technical Report Summary, Santa Cruz Copper Project, Arizona, dated June 23, 2025 • The mineral resources in this estimate were independently prepared, including estimation and classification, by BBA USA Inc., and are reported in accordance with the definition for mineral resources in S-K 1300. • Mineral resources that are not mineral reserves do not have demonstrated economic viability. • Mineral resources constrained assuming underground mining methods for the Santa Cruz deposit are reported at an NSR cutoff of US$32.00 for heap leach and US$34.00 for concentrator; Texaco deposit is reported at a NSR cutoff of US$32.00 for heap leach and US$34.00 for concentrator; and East Ridge deposit is reported at a NSR cutoff of US$40.00 for longhole stoping and US$50.00 for drift and fill. The cutoff reflects the total operating costs to define reasonable prospects for economic extraction by conventional underground mining methods. Material from within mineable shape-optimized wireframes has been included in the mineral

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resource. Underground mineable shapes optimization parameters include a long-term copper price of US$4.00/lb, gold price of US$1,900/oz, and silver price of US$24.00/oz. Process costs of US$7.00 to US$9.00 per processed tonne; direct mining costs between US$22.00 to US$40.00 per processed tonne reflecting various mining method costs (leach, long hole or drift and fill), mining general and administration costs of US$2.63 per processed tonne, onsite processing costs between US$31.63 to US$49.63 per processed tonne, along with variable royalties between 5.01% to 6.96% NSR, and a mining recovery of 100%. • Mineral resources are estimated using metallurgical recoveries for heap leach of 96% for acid soluble copper, 83% for cyanide soluble copper, 22% for residual copper, 0% for gold and 0% for silver. Recoveries for concentrator are 0% for acid soluble copper, 90% for cyanide soluble copper, 90% for residual copper, 59% for gold, and 69% for silver. BBA, our independent Qualified Person, reviewed and confirmed that the Mineral Resource estimates presented in the table above remained accurate as of December 31, 2025.

2Kaizen Discovery Inc. Copper‐equivalent grade estimate based on $2.84/lb copper and $1,236/oz gold. Mineral Resources are reported at cut‐off grades of 0.25 g/t Au and 0.3% Cu Equivalent and average metallurgical recoveries of 80%. Ronald G. Simpson, P.Geo., an independent Qualified Person, reviewed and confirmed that the Mineral Resource estimates presented in the table above satisfy S-K 1300 standards and remained accurate as of December 31, 2025.

3Sama Nickel Corporation Inc. Assumptions include NSR Cut-off grade of $16.34/t milled; long-term metal prices of $3.75/lb Cu, $8.70/lb Ni, and $1,690/oz Au; mining costs of $1.68/t Saprolite, $2.26/t Fresh, $0.05/t incremental and $0.09/t sustaining capital, $13.02/t milled processing cost, $.3.32/t milled G&A, treatment charge of $105/t Cu concentrate and $346/t concentrate Ni; and metallurgical recoveries varied based on concentration and grade. Glen Kuntz, P.Geo., our non-independent Qualified Person, reviewed and confirmed that the Mineral Resource estimates presented in the table above satisfy S-K 1300 and in footnote 4 standards remained accurate as of December 31, 2025.

4Sama Nickel Corporation Inc. The Mineral Resource Estimate includes an inferred estimate for the Sipilou Sud laterite deposit including 2,095,000 tonnes of laterite at 1.75% nickel and 0.05% cobalt at a cut-off grade of 1.10% nickel. The deposit has an estimated 37,000 tonnes of nickel and 1,000 tonnes of cobalt.

5Cordoba Minerals Corp. NI 43-101 Technical Report & Feasibility Study, Alacrán Project, in Colombia, Mineral Resource effective December 18, 2023 - NSR cut-off grade varied from $2.08/t to $9.88/t milled based on processing, and G&A costs as well as the recoveries in different unit, long term metal prices of $3.80/lb Cu, $1,690/oz Au, and $22.50/oz Ag. Glen Kuntz, P.Geo., our non-independent Qualified Person, reviewed and confirmed that the Mineral Resource estimates presented in the table above satisfy S-K 1300 standards remained accurate as of December 31, 2025. Cordoba entered into an agreement to sell its remaining 50% interest in the Alacrán Project on May 8, 2025, which was amended on February 10, 2026.

6Total inferred Mineral Resources include an inferred estimate for the Sama Nickel Corporation Inc. Sipilou Sud laterite deposit including 2,095,000 tonnes of laterite at 1.75% nickel and 0.05% cobalt at a cut-off grade of 1.10% nickel. The deposit has an estimated 37,000 tonnes of nickel and 1,000 tonnes of cobalt.

7S-K Preliminary Feasibility Study & Technical Report Summary, Santa Cruz Copper Project, Arizona, dated June 23, 2025 • The mineral reserves were independently prepared, including estimation and classification, by BBA USA Inc. They are reported in accordance with the definitions for mineral reserves in S-K 1300. • The point of reference for the estimate is the point of delivery to the process facilities. • Mineral reserves are defined within stope designs that are prescribed by rock mechanics, considering the specific characteristics of deposits, mineral domains, mining methods, and the mining sequence. Transverse longhole stoping is the optimal mining method with uppers and cut & fill methods used where appropriate. Mining will occur in blocks, extracting ore from the bottom upwards, with paste backfill providing ground support to sustain a production rate of 20,000 tonnes per day for the first 15 years of operation. • Mineral reserves are estimated at an NSR cutoff value of $43.95/t for longhole stoping and $60/t for longitudinal retreat stopes and drift and fill. The NSR values reflect the discrete metallurgical responses for each mineral reserve block using metallurgical recoveries for heap leach of 96% for acid soluble copper, 83% for cyanide soluble copper, 22% for residual copper. Underground mineable shapes optimization parameters include a long-term copper price of US$4.00/lb. • Mineral reserves account for mining loss and dilution. 6. Mineral reserves are a subset of the indicated mineral resource and do not include the inferred mineral resource. • BBA, our independent Qualified Person, reviewed and confirmed that the Mineral Resource estimates presented in the table above remained accurate as of December 31, 2025.

8Cordoba Minerals Corp. NI 43-101 Technical Report & Feasibility Study, Alacran Project, in Colombia, Mineral Reserve effective October 21, 2021 - Open pit cut-off value varied from $2.07/t to $10.26/t milled based on processing, and G&A costs as well as the recoveries in different units. Long term metal prices of $3.80/lb Cu, $1,690/oz Au, and $22.50/oz Ag. Colin Shaw, P.E., our non-independent Qualified Person, reviewed and confirmed that the Mineral Reserve estimates presented in the table above satisfy S-K 1300 standards remained accurate as of December 31, 2025. Cordoba entered into an agreement to sell its remaining 50% interest in the Alacran Project on May 8, 2025, which was amended on February 10, 2026.

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Typhoon™

We own, through a wholly-owned subsidiary, patents to a proprietary exploration technology known as Typhoon™. When we reference “our” Typhoon™ technology, we mean the technology that is covered by patents owned by our wholly-owned subsidiary Geo27, Inc. (“Geo27”). We also are the exclusive worldwide licensee of certain technology in the field of geological survey for mineral exploration from I-Pulse Inc. (“I-Pulse”). I-Pulse is the parent of our predecessor company, HPX.

Typhoon™ is the brand name for our proprietary electrical geophysical surveying transmitter, which can detect the presence of sulfide minerals containing copper, nickel, gold and silver, as well as water and oil (although the Company does not hold any rights to water and oil exploration). The technology was developed by I-Pulse to unlock exploration in areas where potential deposits are hidden by cover, where target depths exceed the range of conventional geophysical surveying systems, or where the scale and topography of an exploration target area prevents efficient and cost-effective conventional work. Typhoon™ allows us to potentially discover deposits otherwise thought to be undetectable through conventional survey methods and technology.

We own the issued patents shown below. These patents cover certain aspects of our Typhoon™ technology. The actual protection afforded by these patents varies depending on the scope of coverage of each individual patent as well as the availability of legal remedies in each jurisdiction.

TypeShort titleCountryGrant DateGrant NumberExpirationDate
PatentCurrent signal generator and method of implementing such a generatorFrance16/02/2018FR298065322/09/2031
Australia05/01/2017AU201231142921/09/2032
Brazil19/01/2021BR11201400627621/09/2032
Canada22/05/2018CA284955821/09/2032
Indonesia03/02/2026N/A21/09/2032
Turkey21/04/2015TR201403350B21/09/2032
USA28/02/2017US958403718/09/2033
PatentCurrent generator and method for generating current pulsesFrance04/04/2014FR298893330/03/2032
Australia02/02/2017AU201324167529/03/2033
Canada08/09/2020CA286917029/03/2033
Chile30/10/2018CL5664929/03/2033
Peru20/05/2019PE948929/03/2033
USA28/06/2016US937963603/06/2033
PatentSwitch and system to inject currentFrance28/01/2022FR310544620/12/2039

We believe the following specifications differentiate Typhoon™ from conventional geophysical systems:

•high current that is adjustable according to the depth and scale of the exploration target;

•high voltages that are also adjustable to overcome near-surface resistance;

•the ability to transmit both electromagnetic and direct current signals;

•extremely clean signal, which yields a high signal to noise ratio in recorded data;

•the ability to synchronize with multiple types of data receivers, so that the user can choose the receiver system most appropriate for the exploration environment; and

•three deployment configurations, from a large containerized system to a smaller lightweight system that is helicopter portable.

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Figure: Schematic of Typhoon™ at work.

We currently have four 1st Generation Typhoon™ units and six 2nd Generation Typhoon™ units, which allow us to evaluate multiple prospects at any given time. Three of the 2nd Generation units are owned by the Saudi JVCo and used under license. One 2nd Generation unit is dedicated to the Exploration Alliance with BHP. A second 2nd Generation unit is dedicated to the Collaboration with SQM.

The data processing and artificial intelligence software developed by our subsidiary CGI complements our Typhoon™ technology and represents the only software product that can efficiently process the full spectrum of geophysical data produced by Typhoon™.

Computational Geosciences

CGI is headquartered in Vancouver, British Columbia, Canada. It was founded in 2010 in order to capitalize on advanced software technology developed at the University of British Columbia that was designed to improve mineral exploration. The technology has undergone significant improvements over the years and extended its market reach into the oil & gas sector as well as geothermal and water exploration activities. As of December 31, 2025, we owned 94.3% of CGI’s outstanding shares while 5.6% are equally held by CGI’s two co-founders. CGI was co-founded by Livia Mahler B.Sc., MBA, who currently serves as a Senior Business Advisor, and Dr. Eldad Haber Ph.D., who currently serves as CGI’s Chief Technology Officer, and is a professor at the University of British Columbia.

CGI’s technology consists of sophisticated software codes and artificial intelligence tools (“AI”). The software codes are used to process geophysical data (including that generated by Typhoon™) in order to build accurate 3D subsurface images that indicate the presence of various metals and minerals, as well as hydrocarbons, geothermal sources, and water reservoirs. The AI tools use machine learning networks and proprietary deep-learning algorithms that analyze vast amounts of geoscientific data to generate prospectivity maps for greenfields and brownfields mineral exploration.

CGI provides fee-for-service and software licensing agreements to customers in the area of critical minerals, energy and water exploration. CGI’s services apply its geophysical data inversion codes on geophysical data (included that of Typhoon™) collected by third party data acquirers as well as other sources such as public or private libraries, in order to construct and refine 3D subsurface images. These services help CGI’s customers in geophysical survey design through more accurately identifying potential resource targets for exploration while minimizing the operational footprint of those exploration activities. CGI also offers mineral prospectivity mapping services which are based on deep learning AI algorithms to help identify and rank prospective areas for critical minerals. In order to prepare diverse layers for AI algorithms, CGI uses unique tools such as data augmentation for sparse, unstructured data which enhance the results and provide critical knowledge of the subsurface for clients.

CGI applies its services not only to mineral projects but also to the global energy industry and in the search for underground water resources. In the energy sector, CGI has independently developed and collaborated to deploy a real-time 3D inversion service for resistivity logging-while-drilling (“LWD”) data, significantly optimizing well placement and well

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completion designs to maximize reservoir productivity. CGI is also able to monitor fluid substitution within reservoirs, whether for enhanced oil recovery or carbon capture and storage. With respect to the identification of underground water resources, CGI’s technology can also be deployed to predict prospective areas or delineate known water aquifers.

CGI does not patent its software codes. CGI owns, maintains and develops codes for magnetics, gravity, DC/IP and electromagnetics. CGI is actively engaged in research and development, and its staff regularly participate in international conferences as authors and co-authors of scientific papers.

CGI’s intention is to grow its client base in the mining and energy sectors for existing geophysical inversion and AI-based services in order to increase its revenue from third-party sources. CGI is actively working on enhancing geophysical inversion codes to improve the accuracy and efficiency of data quality control and to facilitate advanced inversion of Multiphysics datasets. On the AI front, CGI continues to improve the prospectivity mapping approach with new architectures and improved vector outputs. CGI is also building large geoscience databases from vast amounts of publicly available data in various countries and regions of the world in order to use these datasets to map minerals, water, geothermal and other targets. CGI competes with geophysical data processors, airborne and ground surveyors, off-shore surveyors, and AI service providers. These include companies such as TechnoImaging, LLC, Geotech Ltd., Quantec Geoscience, KoBold Metals, ALS (Geoanalytics), and VRIFY.

VRB Energy - Vanadium Redox Flow Technology

In October 31, 2024, VRB Energy, a 90% owned subsidiary of Ivanhoe Electric, closed on a transaction providing for the creation of a 49%/51% joint venture (“VRB Transaction”) between VRB Energy and China Energy Storage Industry Co., Ltd. (“Red Sun”), a subsidiary of privately held Shanxi Red Sun Co., Ltd. Following the VRB Transaction, VRB Energy owns a 49% interest in the joint venture (“VRB China Joint Venture”), which manufactures, develops and sells vanadium redox flow batteries for Asian, African and Middle Eastern markets.

VRB Energy is also growing and developing its 100% owned subsidiary, VRB USA, an Arizona-based business focused on the development and manufacture of advanced grid-scale energy storage systems utilizing vanadium redox flow batteries for integration with renewable power sources. VRB USA is currently progressing the build-out of a VRB assembly facility in Mesa, Arizona.

Pursuant to the VRB Transaction, the VRB China Joint Venture was to receive approximately $35.2 million from Red Sun in six tranches by the end of 2025, which was received as of September 30, 2025. In addition, pursuant to the agreement, VRB Energy was due to receive $20 million from Red Sun in two equal tranches, to be completed by June 30, 2025. On February 12, 2025, VRB Energy received the first tranche payment. The second tranche payment is overdue and VRB Energy sent Red Sun a demand letter for prompt payment of the amounts owing and is exploring its options for recourse.

The current commercial platform of both VRB China Joint Venture and VRB USA is the Third Generation Vanadium Redox Battery Energy Storage System (“Gen3 VRB-ESS”). The Gen3 VRB-ESS is a commercially validated system that presents a superior solution for grid-scale utility storage compared to existing lithium-ion batteries. We believe VRB-ESS® batteries deliver better levelized cost of storage with superior safety characteristics compared to lithium-ion battery systems. In 2023 VRB’s 1MW power module and 60kW cell stacks were certified to Underwriters Laboratories (“UL”) UL1973 product safety standards. UL 1973 is recognized as a global standard for commercially available battery energy storage.

The growing demand for renewable energy sources and for systems that can be developed quickly in response to rising demand from datacenters and large commercial and industrial customers is expected to drive the demand for long-duration, long-lasting, safe and reliable vanadium flow batteries as a superior solution to lithium-ion batteries for grid scale energy storage. We believe VRB-ESS® batteries are well-positioned to meet this growing demand as they can be charged and discharged over an almost unlimited number of cycles without wearing out and causing deterioration of the vanadium electrolyte, providing the lowest lifecycle cost of energy of any type of grid scale energy storage. In addition, VRB Energy’s proprietary water-based electrolyte is non-flammable and 100% reusable, presenting a safe solution for customers.

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Figure: VRB-ESS® System Overview

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Environmental, Health, and Safety Matters

We are committed to creating and enforcing a workplace environment that prioritizes the health and safety of our employees and partners, complies with laws and regulations, and establishes leading practices to promote environmental stewardship and responsible operating procedures. As part of that commitment, in 2024 our Board of Directors established a Health, Safety and Environmental Committee and adopted a Health, Safety and Environmental Policy to establish the framework to help us protect the health and safety of our employees and partners, minimize environmental impacts, and conduct business activities with respect and integrity. In 2025, the Health, Safety and Environmental Committee oversaw the Company’s key health, safety, environmental and social policies and related risks, opportunities and matters affecting the Company’s business.

We are required to comply with numerous environmental laws, regulations and permits in connection with exploration, construction and development work for our projects. We are focused on conducting our mining operations in compliance with all applicable laws and regulations.

Human Capital

We promote the health, safety and well-being of our workforce and strive to further strengthen our commitment to promoting an inclusive and diverse workplace. We believe our workforce is the foundation of our success. Our Board of Directors oversees our policies and implementation programs that govern our approach to management of our human capital, with the HS&E and Compensation and Nominating Committees having oversight of human capital matters, including those relating to health and safety, executive recruitment, retention and development, pay equity, and inclusion and diversity.

As of December 31, 2025, Ivanhoe Electric and its subsidiaries had 286 full time employees. We consider our relationship with our employees to be strong. None of our employees are represented by a labor union or party to a collective bargaining agreement.

History

For a full discussion of the general development of the Company’s business, see the Company’s Annual Report on Form 10-K for the year ended December 31, 2024, which is incorporated by reference.

Corporate Information

We were incorporated in the State of Delaware in July 2020. Our principal executive offices are located at 450 E. Rio Salado Parkway, Suite 130, Tempe, Arizona, and our telephone number is (480) 656-5821. Our website address is ivanhoeelectric.com.

Available Information

We make available, free of charge, on our website at ivanhoeelectric.com our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and any amendments to such reports, as soon as reasonably practicable after such reports are electronically filed with, or furnished to, the SEC. We do not incorporate the information on or accessible through our website into this Annual Report, and you should not consider any information on, or that can be accessed through, our website a part of this Annual Report or any other filing we make with the SEC.

All such reports are also available free of charge via EDGAR through the SEC website at www.sec.gov.