Hecla Mining pany(HL) - 2024 Q1 - Quarterly Results

Exhibit 99.1 NEWS RELEASE HECLA REPORTS FIRST QUARTER 2024 RESULTS Cost and production guidance affirmed For The Period Ended: March 31, 2024 For Release: May 8, 2024 COEUR D'ALENE, IDAHO — Hecla Mining Company (NYSE:HL) today announced first quarter 2024 financial and operating results. FIRST QUARTER HIGHLIGHTS Operational Financial Silver Nuggets* "The first quarter reflects an inflection point with the strong performance from Greens Creek, achieving full production at the Lucky Friday, and significant im ...