HECLA MINING CO/DE/

1. In June 2023, Mr. Allen was awarded performance rights representing the contingent right to receive between $55,000 and $220,000 worth of Hecla Mining Company common stock based on Hecla Mining Company's Total Shareholder Return over the 3-year period (January 1, 2023 to December 31, 2025), based on the following percentile rank within Hecla's peer group companies: 100th percentile rank among peers = maximum award at 200% of target ($220,000 in stock); 40th to 60th percentile rank among peers = target award at grant value ($110,000 in stock); and 25th percentile rank among peers = threshold award at 50% of target ($55,000 in stock).

2. In reporting the number of performance rights at the time of the award, Mr. Allen assumed a target (i.e., $110,000 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 21,782 performance rights. Based on Hecla Mining Company's total shareholder return ranking, Mr. Allen's award value was 100% and he therefore received 21,782 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 74,001 shares held directly, and 94,852 unvested restricted stock units.

6. Shares withheld for tax liability on 21,782 performance rights that vested.

7. Consists of 68,460 shares held directly, and 94,852 unvested restricted stock units.