HECLA MINING CO/DE/

1. On June 21, 2023, Mr. Lawlar was awarded performance rights. The performance rights represented a contingent right to receive between $74,763 and $299,050 worth of Hecla Mining Company common stock based on Hecla's Total Shareholder Return performance over the 3-year period (January 1, 2023 to December 31, 2025), based on the following percentile rank within Hecla's peer group companies: (1) 100th percentile rank among peers = maximum award at 200% of target ($299,050 in stock); 40th to 60th percentile rank among peers = target at grant value ($149,525 in stock); and 25th percentile rank among peers = threshold award at 50% of target ($74,763 in stock).

2. In reporting the number of performance rights at the time of the award, Mr. Lawlar assumed a target (i.e., $149,525 in stock), with the common stock valued at the closing price on the day of the award ($5.05), and therefore reported an award of 29,609 performance rights. Based on Hecla Mining Company's total shareholder return ranking, Mr. Lawlar's award value was 100% and he therefore received 29,609 shares in settlement of the award (with the shares valued at the $5,.05 closing price on June 21, 2023).

3. Consists of outstanding performance rights.

4. See footnotes (1) and (2). Shares received upon settlement of performance rights awarded in June 2023.

5. Consists of 83,171 shares held directly, and 127,652 unvested restricted stock units.

6. Shares withheld for tax liability on 29,609 performance rights that vested.

7. Consists of 68,794 shares held directly, and 127,652 unvested restricted stock units.