Fortuna Mining Corp. Advances Diamba Sud Gold Project in Senegal with Updated Mineral Resources

Fortuna Mining Corp. has reported an updated Mineral Resource estimate for its Diamba Sud Gold Project in Senegal, showing a 53% increase in Indicated Mineral Resource to 724,000 gold ounces and a 93% increase in Inferred Mineral Resource to 285,000 gold ounces. The project comprises an Indicated Mineral Resource of 14.2 Mt at an average gold grade of 1.59 g/t and an Inferred Mineral Resource of 6.2 Mt at an average gold grade of 1.44 g/t. A Preliminary Economic Analysis is underway and is targeted for completion in Q4 2025.