Mr. Jeffrey Clevenger reports

GOLDEN MINERALS COMPANY ANNOUNCES NEW MANAGEMENT APPOINTMENTS AND RESIGNATION OF MR. PABLO CASTANOS

Effective Oct. 1, 2026, Keith Laskowski has been appointed to the position of executive vice-president of exploration of Golden Minerals Company, and Barbara Henderson has been appointed to the position of corporate secretary of Golden Minerals. Both Mr. Laskowski and Ms. Henderson have been hired on a consulting basis.

Mr. Laskowski is an economic and mining geologist with over 45 years of experience in exploration, mining and financial analysis, and is the owner of Yellowstone Geological Services LLC. Since 2012, he has focused on the economic evaluation of investment and financing opportunities for Sandstorm Gold Royalties (now part of Royal Gold) and International Finance Corp. (part of the World Bank). Prior to that, he held senior executive positions in a number of junior mining companies, including Gallant Minerals Ltd., Estrella Gold Corp., Northern Canadian Uranium Corp. and Solomon Gold Corp. He directed exploration for Eurasian Minerals in Haiti and started his career with 17 years at Newmont Mining Corp. He holds an MSc in geology from the Colorado School of Mines (1987) and has been a registered qualified person with the Mining and Metallurgical Society of America since 2006.

Ms. Henderson is a mining governance and communications leader with 35 years public company experience establishing industry-leading corporate governance frameworks, delivering comprehensive and resonant corporate communications, and contributing to strategic planning for mineral exploration, development and operating companies. She holds a BSc in earth sciences from the University of Waterloo and an MSc degree in economic geology from the University of Alberta, is a long-standing member of the Canadian Investor Relations Institute and is a registered professional geologist.

As announced by the company on Sept. 4, 2026, David Watkins, a director of the company, has assumed the role of president and chief executive officer following the resignation of Pablo Castanos from his positions of president, CEO and director of the company, effective Sept. 30, 2026.

Jeffrey Clevenger, chairman of the board of Golden Minerals, stated: "The board of directors sincerely thanks Mr. Castanos for his service and for his substantial improvements to the company's financial position, and wishes him success in his future endeavours. We welcome Mr. Watkins, Mr. Laskowski and Ms. Henderson to their respective roles. Mr. Watkins's history at Golden and previous senior executive positions across the spectrum of exploration and mining companies will provide hands-on experience in his role as CEO. Mr. Laskowski's wealth of exploration expertise and worldwide field experience will be invaluable in guiding Golden's project strategy and advancement, and, along with Ms. Henderson's governance, regulatory and communications experience, will help Golden position itself for future growth and success."

About Golden Minerals Company

Golden Minerals is a precious metal exploration company holding a 67-per-cent majority control in the Desierto 1 and 2 concessions and a 51-per-cent joint venture interest in the Sarita Este concession, each adjacent to the gold-silver-copper Taca Taca project owned by First Quantum Minerals located in northwestern Salta province, Argentina. Golden Minerals also holds a 60-per-cent interest in Sand Canyon, an exploration-stage gold-silver project in northwestern Nevada.

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