X0609 4 2026-06-22 0 0000719413 HECLA MINING CO/DE/ HL 0001693472 Boggs Catherine J false 6500 N MINERAL DR., SUITE 200 COEUR D'ALENE ID 83815 1 0 0 0 0 Common Stock 2026-06-22 4 J 0 3606 8.6675 A 113055 I See footnote 1 Common Stock 2026-06-22 4 A 0 10816 8.6675 A 267322 D Allocation of shares in trust to the account of Catherine J. Boggs in the Hecla Mining Company Stock Plan for Nonemployee Directors. This price is the average closing price for Hecla's common Stock on the New York Stock Exchange for the prior calendar year (2025). Total amount of shares held in trust on behalf of Ms. Boggs in the Hecla Mining Company Stock Plan for Nonemployee Directors. Ms. Boggs elected to receive 75% of her award under the Hecla Mining Company Stock Plan for Nonemployee Directors directly, and 25% (3,606 shares) to the trust. See footnote 2 Consists of 261,252 shares held directly and 6,070 shares deferred into trust under the Hecla Mining Company 2010 Stock Incentive Plan. Tami D. Whitman, Attorney-in-Fact for Catherine J. Boggs 2026-06-22