Orezone owns a 100% interest in the Casa Berardi gold mine, located in Quebec, Canada. The mine is located 95km north of the town of La Sarre and is accessible via a paved highway and a 38km mine access road.

Operations at Casa Berardi commenced in 1988, with >3.2Moz of gold produced to date. Production from Casa Berardi over the last 5-years has averaged ~105,000oz/yr.

Orezone closed its acquisition of Hecla Quebec, which included the Casa Berardi mine, on March 25, 2026.

Mineral Resource Estimate as of December 31, 2025

Notes for Mineral Resource Estimate on Casa Berardi Deposit

1. In-situ mineral resources are classified in accordance with the CIM Standards and the NI 43-101 classification system.
2. Mineral reserves are 100% attributable to Orezone Gold Corporation.
3. Mineral resources are stated inclusive of mineral reserves
4. Mineral resources outside of mineral reserves have not demonstrated economic viability.
5. Mineral resources were estimated using a gold price of $2,250/oz.
6. Totals may not represent the sum of the parts due to rounding.

Mineral Reserve Estimate December 31, 2025

Notes for Mineral Reserve Estimate on Casa Berardi

1. Classification of mineral reserves is in accordance with NI 43-101. Mineral reserves are reported as delivered to the processing plant.
2. Mineral reserves are reported in-situ with estimates of mining dilution and mining loss.
3. Mineral reserves are 100% attributable to Orezone Gold Corporation.
4. Mineral reserves were estimated using a gold price of $2,100/oz.
5. Totals may not represent the sum of the parts due to rounding.