United States Antimony Corporation press release

Coeur to Present at Mining Forum Americas

2025-09-11

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Coeur Mining, Inc.’s (“Coeur” or the “Company”) (NYSE: CDE) Chairman, President and Chief Executive Officer, Mitchell J. Krebs, will present at Mining Forum Americas in Colorado Springs, Colorado on Monday, September 15, 2025 at 1:00 p.m. Mountain Time.

Mining Forum Americas is an invitation-only investment conference. Presentation materials will be made available on the Company’s website at www.coeur.com .

About Coeur

Coeur Mining, Inc. is a U.S.-based, well-diversified, growing precious metals producer with five wholly-owned operations: the Las Chispas silver-gold mine in Sonora, Mexico, the Palmarejo gold-silver complex in Chihuahua, Mexico, the Rochester silver-gold mine in Nevada, the Kensington gold mine in Alaska and the Wharf gold mine in South Dakota. In addition, the Company wholly-owns the Silvertip polymetallic critical minerals exploration project in British Columbia.

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For Additional Information Coeur Mining, Inc. 200 S. Wacker Drive, Suite 2100 Chicago, Illinois 60606 Attention: Jeff Wilhoit, Senior Director, Investor Relations Phone: (312) 489-5800 www.coeur.com