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Hecla Mining Reports High-Grade Gold Discovery at Midas with Visible Gold Intercepts; Expands Mineralization at Keno Hill and Greens Creek
First drilling of a two-mile trend finds significant gold grades, returns visible gold and 0.95 oz/ton gold over 2.2 feet; Sinter Vein extension discovered acro

About this update from Hecla Mining Company
[{"type":"text","content":"First drilling of a two-mile trend finds significant gold grades, returns visible gold and 0.95 oz/ton gold over 2.2 feet; Sinter Vein extension discovered across 750-foot fault offset; Potential new ore shoot identified at Keno Hill's Bermingham Deposit COEUR D'ALENE, IDAHO / Nov 24, 2025 / Business Wire / Hecla Mining Company (NYSE: HL) today announced exploration results from its Midas Project in Nevada, where initial drilling of the previously untested two mile long Pogo Trend has discovered high-grade gold mineralization with visible gold on a new structure. Exploration success at the Midas gold-silver project in Nevada is validating the potential to restart operations at significantly lower capital intensity than comparable development projects, given the existing permitted 1,200 tpd mill and permitted tailings storage facility that remains substantially empty. With the foundational infrastructure already in place and permitted, Nevada's supportive regulatory environment could facilitate timely permitting of additional requirements, positioning Midas as a low-capital-cost opportunity to expand the Company's production profile in a world-class mining district. The Company also reported the successful identification of a potential new ore shoot at Keno Hill's Bermingham Deposit, expansion of mineralization at Greens Creek, and advancement of Aurora exploration permitting to FAST-41 Transparency status. HIGHLIGHTS Nevada Midas – Two new high-grade structures were discovered in a 17-hole, 26,970-foot drilling program: Pogo Discovery: First pass drilling of the two-mile Pogo Trend returned 0.95 oz/ton gold and 0.6 oz/ton silver over 2.2 feet (estimated true width), including 6.42 oz/ton gold and 3.5 oz/ton silver over 0.3 feet, from rocks with visible gold in vein fragments. The Pogo Structure remains open for further expansion with follow-up drilling in progress (assays pending). Sinter Vein Extension: Discovered the high-grade Sinter Vein across an estimated 750-foot post-mineral fault offset from the original 2021 Sinter Vein discovery, identifying what is interpreted as a potential new ore shoot. Results include 0.13 oz/ton gold and 0.1 oz/ton silver over 3.9 feet, including 1.44 oz/ton gold and 0.5 oz/ton silver over 0.3 feet (estimated true widths) with visible gold and silver-bearing minerals. The original Sinter Vein wa...