EX-99.16 17 tmb-20241231xex99d16.htm EX-99.16

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EXHIBIT 99.16

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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, Luis Ganoza Durant, Chief Financial Officer 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

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​ | ​ | “Luis Ganoza Durant” | ​ | ​
​ | ​ | Name: Luis Ganoza Durant | ​ | ​
​ | ​ | Title: Chief Financial Officer | ​ | ​
​ | ​ | (Principal Financial 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.