X0508 4 2024-06-21 0 0000719413 HECLA MINING CO/DE/ HL 0001867048 Clary Michael L. 6500 N. MINERAL DR., SUITE 200 COEUR D'ALENE ID 83815 0 1 0 0 Sr. VP & CAO 0 Common Stock 2024-06-25 4 S 0 30634 4.905 D 351972 D Common Stock 2024-06-21 4 A 0 66397 5.17 A 351972 D Common Stock 2024-06-21 4 J 0 9137 0 A 9137 I Held in 401(k) Plan Account Performance rights 0 2024-06-21 4 A 0 66397 0 A 2027-01-01 2027-01-01 Common Stock 66397 351972 D Mr. Clary was awarded (i) 21,574 restricted stock units on June 21, 2021, (ii) 40,632 restricted stock units n June 21, 2022, and (iii) 40,990 restricted stock units on June 21, 2023. The restrictions lapsed on 1/3 of those vesting units (34,399 shares). To cover his tax liability, Hecla Mining Company sold 30,634 of those shares. Consists of 123,893 shares held directly, 120,812 performance-based units, and 107,267 unvested restricted stock units. Award of restricted stock units that vest as follows: 22,132 shares on June 21, 2025; 22,132 shares on June 21, 2026; and 22,133 shares on June 21, 2027. See footnote 2. Held as 761.561 units in Mr. Clary's 401(k) account under the Hecla Mining Company Capital Accumulation Plan, and estimated to be 9,137 shares. Mr. Clary was awarded performance rights representing the contingent right to receive between $171,638 and $686,660 worth of Hecla Mining Company common stock based on Hecla Mining Company's Total Shareholder Return performance over the 3-year period (January 1, 2024 to December 31, 2026) relative to our peers. Examples of the potential grant of shares to Mr. Clary under this plan are as follows: 100th percentile rank among peers = maximum award at 200% of target ($686,660 in stock); 50th percentile rank among peers = target award at grant value ($343,275 in stock); and 25th percentile rank among peers = threshold award at 25% of target ($85,819 in stock). See footnote 2. Tami D. Whitman, Attorney-in-Fact for Michael L. Clary 2024-06-25