EX-99.15 16 tmb-20241231xex99d15.htm EX-99.15

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EXHIBIT 99.15

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CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED
PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

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In connection with the annual report of Fortuna Mining Corp. (the “Company”) on Form 40-F for the fiscal year ended December 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jorge Ganoza Durant, President, Chief Executive Officer & Director of the Company, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

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1. | ​ | The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

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2. | ​ | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

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Dated: March 27, 2025

| ​ | “Jorge Ganoza Durant” | ​ | ​
​ | ​ | Name: Jorge Ganoza Durant | ​ | ​
​ | ​ | Title: President, Chief Executive Officer & Director
​ | ​ | (Principal Executive Officer) | ​ | ​

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This certification accompanies the Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.