Mr. Jorge Ganoza reports

FORTUNA TO RELEASE THIRD QUARTER 2025 FINANCIAL RESULTS ON NOVEMBER 5, 2025; CONFERENCE CALL AT 12 P.M. EASTERN TIME ON NOVEMBER 6, 2025

Fortuna Mining Corp. will release its financial statements and MD&A (management discussion and analysis) for the third quarter of 2025 on Wednesday, Nov. 5, 2025, after market close.

A conference call to discuss the financial and operational results will be held on Thursday, Nov. 6, 2025, at 9 a.m. Pacific Time/12 p.m. Eastern Time. Hosting the call will be Jorge A. Ganoza, president and chief executive officer, Luis D. Ganoza, chief financial officer, Cesar Velasco, chief operating officer -- Latin America, and David Whittle, chief operating officer -- West Africa.

Shareholders, analysts, media and interested investors are invited to listen to the live conference call by logging on to the webcast or over the phone by dialling in just prior to the starting time.

Conference call details

Date:  Thursday, Nov. 6, 2025

Time:  9 a.m. Pacific Time/12 p.m. Eastern Time

Dial-in number (toll-free):  1-888-506-0062

Dial-in number (international):  1-973-528-0011

Access code:  360013

Replay number (toll-free):  1-877-481-4010

Replay number (international):  1-919-882-2331

Replay passcode:  53144

Playback of the earnings call will be available until Thursday, Nov. 20, 2025. Playback of the webcast will be available until Friday, Nov. 6, 2026. In addition, a transcript of the call will be archived on the company's website.

About Fortuna Mining Corp.

Fortuna Mining is a Canadian precious metals mining company with three operating mines and a portfolio of exploration projects in Argentina, Ivory Coast, Mexico and Peru as well as the Diamba Sud gold project in Senegal. Sustainability is at the core of Fortuna's operations and stakeholder relationships. Fortuna produces gold and silver while creating long-term shared value through efficient production, environmental stewardship and social responsibility.