An anonymous director reports

GOLDEN MINERALS ANNOUNCES MANAGEMENT CHANGE AND ARGENTINE PROJECT UPDATE

Golden Minerals Company's president and chief executive officer, Pablo Castanos, has notified the company of his resignation, effective Sept. 30, 2026, to pursue another opportunity. Mr. Castanos will continue to serve as a director of the company. The company's board of directors thanks Mr. Castanos for his service and efforts over the past three years. The board has appointed David Watkins, a director of the company since 2009, as president and CEO of the company, effective Sept. 30, 2026, and Mr. Watkins will continue to serve as a director of the company. Mr. Watkins is an exploration geologist and seasoned mining executive with a record of the discovery and development of multiple base and precious metals mines around the world.

Additionally, the company notes that its partner in the Sarita Este and Desierto projects in Argentina, Cascadero Copper Corp., stated in its Sept. 1, 2026, news release that it had agreed to sell its interests in these and other properties in Argentina to Lumina Copper Corp., a wholly owned affiliate of First Quantum Minerals, Ltd. If the sale is completed, Golden looks forward to working with First Quantum. Golden is planning a first-stage drill program to test potentially deep mineralization similar to mineralization at First Quantum's Taca Taca project immediately north of Golden's targets at the Desierto concessions. The company expects to announce the details of its drilling program later in September.

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