Hecla to Participate at Upcoming Conferences

Hecla Mining Company (NYSE:HL) announced today that representatives of the Company will present and participate at multiple investor conferences.

BMO Capital Markets Global Metals, Mining & Critical Minerals Conference

Phillips S. Baker, Jr., President and Chief Executive Officer, will present at the BMO Capital Markets Global Metals, Mining & Critical Minerals Conference in Hollywood, Florida on Tuesday, February 27, 2024, at 8:00 a.m. Eastern Time. A webcast of the presentation will be available at https://app.webinar.net/4XJ0pRW2NwD.

J.P. Morgan Leveraged Finance Conference

Russell D. Lawlar, Senior Vice President and Chief Financial Officer, will present at the J.P. Morgan Global High Yield & Leveraged Finance Conference in Miami Beach, Florida on Tuesday, February 27, 2024, at 5:15 p.m. Eastern Time.

PDAC 2023 Convention

Phillips S. Baker, Jr., President and Chief Executive Officer, will present at the Prospectors & Developers Association of Canada (PDAC) convention in Toronto, Ontario on Wednesday, March 6, 2024, at 10:00 a.m. Eastern Time.

Presentation materials will be available on the Company’s website at www.hecla.com under the section News & Media.

ABOUT HECLA

Founded in 1891, Hecla Mining Company (NYSE: HL) is the largest silver producer in the United States. 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.

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Anvita Mishra Patil Vice President – Investor Relations and Treasurer

Cheryl Turner Communications Coordinator

800-HECLA91 (800-432-5291) Email: [e-mail] Website: www.hecla.com