Question · Q4 2025
Mohamed Sidibé from National Bank Financial asked about the implications of the positive resource update for Diamba Sud, specifically whether it would extend mine life or improve the production profile. He also inquired about the key drivers behind the updated gold price assumption for Diamba Sud's resource and reserve estimates. Additionally, he asked for color on the production cadence for Séguéla and Lindero in the first half versus the second half of the year, and expected variations in All-In Sustaining Costs (AISC).
Answer
Jorge A. Ganoza, President, CEO, and Co-founder of Fortuna Mining, clarified that the Diamba Sud resource update is not expected to change throughput but will extend the mine life and improve the annual production profile due to higher-grade new resources like Southern Arc. He explained that the $3,300 gold price was used for the resource estimate based on their methodology, noting that a lower price ($2,600 for resources, $2,300 for reserves) would be used for the reserve estimate. Regarding production cadence, Mr. Ganoza stated that production should be generally steady, with Lindero expected to be softer in Q1/Q2 due to primary crusher foundation repairs, picking up in the second half. He also noted that AISC is expected to be higher in the first half due to heavier capital expenditures.
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