X0609 4 2026-06-22 0 0000719413 HECLA MINING CO/DE/ HL 0001989000 Aguiar Rodriguez Carlos Roberto false 6500 N. MINERAL DR. SUITE 200 COEUR D'ALENE ID 83815 0 1 0 0 Sr. VP & COO 0 Common Stock 2026-06-22 4 F 0 21659 15.98 D 331927 D Common Stock 2026-06-22 4 A 0 24640 15.98 A 331927 D Common Stock 2026-06-22 4 J 0 10210 0 A 10210 I Held in 401(k) Plan Performance rights 0 2026-06-22 4 A 0 24640 0 A 2029-01-01 2029-01-01 Common Stock 24640 331927 D Mr. Aguiar was awarded (i) 31,977 restricted stock units on August 7, 2023, 48,138 restricted stock units on June 21, 2024, and 65,399 restricted stock units on June 23, 2025. One-third of those restricted stock units vested on June 22, 2026. To cover his tax liability on those vested units, Hecla Mining Company withheld 21,659. Consists of 99,255 shares held directly, 10,210 shares in 401(k) Plan, 138,177 performance-based rights, and 84,285 unvested stock units. Award of restricted stock units that vest as follows: 8,214 shares on June 21, 2027, 8,213 shares on June 21, 2028, and 8,213 shares on June 21, 2029. See footnote 2. Held as 905.191 units in Mr. Aguiar's 401(k) account under the Hecla Mining Company Capital Accumulation Plan and estimated to be 10,210 shares. Mr. Aguiar was awarded performance rights representing the contingent right to receive between $393,750 and $787,500 worth of Hecla Mining Company common stock based on Hecla Mining Company's Total Shareholder Return performance over the 3-year period (January 1, 2026 to December 31, 2028) relative to our peers. Examples of the potential grant of shares to Mr. Aguiar under this plan are as follows: 100th percentile rank among peers = maximum award at 200% of target ($787,500 in stock); 50th percentile rank among peers = target award at grant value ($393,750 in stock), and 0 percentile rank among peers = threshold award below 25% of target. See footnote 2. Tami D. Whitman, Attorney-in-Fact for Carlos Aguiar 2026-06-22