Fortuna Files PEA Technical Report Highlighting the Development Potential of the Diamba Sud Gold Project, Senegal – The Canadian Business Journal

VANCOUVER, British Columbia, November 26, 2025 (GLOBE NEWSWIRE) — Fortuna Mining Corp. (NYSE: FSM | TSX: FVI) is pleased to announce that, in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects, it has filed a technical report entitled “Diamba Sud Gold Project, Kédougou Region, Senegal” with an effective date of October 15, 2025 (the “Technical Report”), confirming the results of the preliminary economic assessment (IEE) previously announced in Fortuna Press Release October 15, 2025.

The technical report is available on the Company's website. websiteon CAREFULLY+ and further EDGAR in the company profile.

About Fortuna Mining Corp.

Fortuna Mining Corp. is a Canadian precious metals mining company with three operating mines and a portfolio of exploration projects in Argentina, Côte d'Ivoire, Mexico and Peru, as well as the Diamba Sud Gold project in Senegal. Sustainability is at the core of our activities and relationships with stakeholders. We produce gold and silver, creating long-term shared value through efficient production, environmental stewardship and social responsibility. For more information please visit our website V www.fortunamining.com

ON BEHALF OF THE BOARD

Jorge A. Ganoza
President, CEO and Director
Fortune Mining Corp.

Investor Relations:

Carlos Baca | [email protected] | fortunamining.com | X | LinkedIn | YouTube


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