United States Antimony Corporation press release

Hecla to Participate in Mining Forum Americas 2025

2025-09-11

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Hecla Mining Company ( NYSE:HL ) is pleased to announce that Rob Krcmarov, President and CEO, will present at the Mining Forum Americas 2025 in Colorado Springs, Colorado, on Tuesday, September 16, at 2:20 PM Mountain Time . This annual event gathers leading mining executives and investors from around the world. A live webcast of the presentation can be accessed through the following link: https://americas.miningforum.com/member-webcast/4236/ .

Presentation materials will be available on Hecla’s website under News & Media > Events & Webcasts at www.hecla.com .

ABOUT HECLA

Founded in 1891, Hecla Mining Company (NYSE: HL) is the largest silver producer in the United States and Canada. In addition to operating mines in Alaska, Idaho, and Quebec, Canada, the Company is developing a mine in the Yukon, Canada, and owns a number of exploration and pre-development projects in world-class silver and gold mining districts throughout North America.

View source version on businesswire.com: https://www.businesswire.com/news/home/20250911230956/en/

For further information, please contact:

Mike Parkin Vice President – Strategy and Investor Relations

Cheryl Turner Investor Relations Coordinator

Investor Relations Email: hmc-info@hecla.com Website: http://www.hecla.com