Hecla Mining — Aug 4, 2026 release

    Silver Production (Moz)   Gold Production (Koz) Greens Creek   8.0 - 8.3   51.0 - 55.0 Lucky Friday   4.9 - 5.2   N/A Keno Hill   2.2 - 2.6   N/A 2026 Total   15.1 - 16.1   51.0 - 55.0     Costs applicable to sales (5)  (millions)   Cash cost, after by-product credits, per silver ounce (2)   AISC, after by-product credits, per produced silver ounce (3) Greens Creek   240   ($12.50) - ($12.00)   ($4.25) - ($3.75) Lucky Friday   140   $9.00 - $9.75   $24.50 - $26.00 Total Silver   380   ($4.00) - ($3.75)   $12.50 - $13.50   (millions)   Total Sustaining Growth 2026 Total Capital Investment   $208 - 223 $147 - 158 $61 - $65 Greens Creek   61 - 65 61 - 65 - Lucky Friday   77 - 82 77 - 82 - Keno Hill   61 - 65 - 61 - 65 Corporate   9 - 11 9 - 11 - 2026 Exploration & Pre-Development   $55       PROJECT PIPELINE UPDATE _____________________________________________________________________________________________________________ 7     Hecla remains focused on advancing a pipeline of organic growth opportunities that build on existing infrastructure, established permitting paths, and the Company's deep operational expertise. The projects outlined below are anticipated to be low-capital-intensity opportunities with the potential to meaningfully expanding precious metal output, cash flows and net asset value over time, while avoiding many of the exploration and development risks inherent in greenfield projects.   Greens Creek Pyrite Concentrate Circuit Greens Creek is advancing engineering and evaluation of a pyrite concentrate circuit which has the potential t