Centerra Gold Inc.
For the period ended Dec 31, 2025. Filed Mar 23, 2026.
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The yearly report of certain Canadian companies, filed under a joint US and Canadian system. It is the main yearly account these companies give US investors, largely as filed in Canada.
FY2025 · Filed Mar 23, 2026
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Contents
EX-99.1 · Indigenous Groups
Indigenous Groups
Maintaining productive relationships with Indigenous groups and ensuring project benefits are shared in accordance with our formal agreements is a priority for all Centerra’s projects and operations in British Columbia. See “Responsible Mining – Our Approach” above.
Actual results for 2024 and 2025, and guidance for 2026 production, operating costs, and capital are depicted below.
| 2024 Actual | 2025 Actual | 2026 Guidance | |
|---|---|---|---|
| Total Gold Production (oz) | 167,580 | 147,582 | 140,000 - 155,000 |
| Total Copper Production (Mlbs) | 54.3 | 50.5 | 50 – 60 |
| Gold Production Cost ($/oz) | 1,105 | 1,388 | 1,450 – 1,550 |
| AISC on a by-product basis ($/oz) (1) | 1,078 | 1,194 | 1,200 – 1,300 |
| Total capital expenditures ($M) (1) | 54.0 | 80.5 | 115 – 135 |
| (1) | Detailed reconciliations of the non-GAAP measures to measures under IFRS for the years ended December 31, 2025, and 2024 can be found in the Company’s MD&A for the year ended December 31, 2025 as available on www.sedarplus.com. |
| Centerra Gold Inc. | |
|---|---|
| 2025 Annual Information Form | Page 40 |
Öksüt Mine
Quick Facts The Öksüt Mine is situated in Türkiye approximately 295 km southeast of Ankara and 48 km south of Kayseri, the provincial capital. We own 100% of the Öksüt Mine. The Öksüt Mine achieved first gold pour on January 31, 2020 and achieved commercial production as of May 31, 2020. In 2025, the Öksüt Mine produced 127,734 ounces of gold.
| Location | Türkiye |
|---|---|
| Ownership | 100% |
| Business structure | Our wholly owned subsidiary (indirectly held), Öksüt Madencilik Sanayi ve Ticaret Anonim Sirketi (“OMAS”), is the holder of the rights to mining and exploration for the Öksüt Mine. |
| Estimated Mineral Reserves (as at December 31, 2025) | 503 k oz of contained gold (proven and probable) average grade – 1.02 g/t tonnage – 15,355 kt |
| Estimated Mineral Resources (as at December 31, 2025) Mineral resources are inclusive of reserves. Mineral resources do not have demonstrated economic viability. | 530 k oz of contained gold (measured and indicated) average grade – 0.98 g/t tonnage – 16,769 kt |
| Inferred mineral resources have a great amount of uncertainty as to their existence, continuity, and grade, and as to whether they can be mined economically. There is no certainty that all or part of the inferred resources will ever be upgraded to a higher category or converted into mineral reserves. | 0 k oz of contained gold (inferred) average grade – 0 g/t tonnage – 0 kt |
| Processing Method | Heap leach |
| 2025 Production | 127,734 ounces of gold |
| Estimated Mine Life | 2029 |
| Employees | 334 |
| Centerra Gold Inc. | |
|---|---|
| 2025 Annual Information Form | Page 41 |
The Öksüt Technical Report, with an effective date of June 30, 2015, was filed on September 3, 2015 and is available on SEDAR+ atwww.sedarplus.ca. It is recommended that you read the Öksüt Technical Report in its entirety for additional details relating to the Öksüt Mine. Defined terms and abbreviations used in this section and not otherwise defined have the meanings attributed to them in the Öksüt Technical Report.
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