Fortuna Mining Corp. has announced updated Mineral Reserves and Resources at the Séguéla Mine, with 1.2 million ounces of gold in Mineral Reserves, 794,000 ounces in Indicated Resources, and 712,000 ounces in Inferred Resources. The company’s President and CEO, Jorge A. Ganoza, highlighted the success of exploration efforts, leading to a 7.5-year mine life and potential plant expansion. The Mineral Reserves saw growth offsetting production-related depletion, with notable increases in Measured and Indicated Resources. The company is actively conducting exploration and infill drilling to support resource growth and is evaluating a plant expansion for increased gold production.

As of October 31, 2025, the Séguéla Mine reported Proven and Probable Mineral Reserves of 13.0 million tonnes containing 1.2 million ounces of gold. Changes in Mineral Reserves were driven by mining-related depletion, new estimates for the Kingfisher deposit, and updated geologic interpretations. Measured and Indicated Mineral Resource gold ounces increased significantly, with growth at the Sunbird Underground Project. Inferred Resources also saw an increase, mainly due to upgrades at the Kingfisher deposit. Ongoing exploration and drilling activities continue to support resource growth at the Séguéla Mine.

Fortuna Mining Corp. is actively advancing studies for process plant expansion at the Séguéla Mine. The company is evaluating options to increase processing plant capacity to enhance gold production. The potential to extend the mine life is supported by expanding Mineral Resources, successful conversion of resources to reserves, and positive drilling results, providing confidence in future growth opportunities. The company is focused on maximizing the value of its land position at Séguéla through ongoing exploration and development efforts.

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