Coeur Mining Board Authorizes Expanded $750M Share Repurchase Program And Inaugural $0.02 Per Share Semiannual Dividend Policy Expected To Be Paid In June

Provides Consolidated 2026 Guidance and Announces Updated Capital Return ProgramIssues Updated Year-End Reserves and Resources for Rainy River and New Afton, Including Maiden K-Zone Resource at New Afton and Two Years of Additional Mine Life at Rainy RiverCoeur Mining, Inc. ("Coeur" or the "Company") ((NYSE, TSX:CDE) today provided a corporate update following the March 20, 2026 completion of the acquisition of New Gold Inc.("New Gold"), including consolidated 2026 guidance, 2025 mineral reserves and resources for the newly-acquired New Afton and Rainy River mines, and an updated financial policy highlighted by a robust new return of capital program.HighlightsNew Afton and Rainy River contribute strong additions to Coeur's updated 2026 consolidated production guidance – The Company expects 2026 consolidated gold, silver and copper production of 680,000 – 815,000 ounces, 18.7 – 21.9 million ounces, and 50 – 65 million pounds, respectively, which incorporates nine months of contribution from its two new Canadian mines. Coeur's 2025 production totaled 419,046 gold ounces and 17.9 million silver ouncesSolid financial position and strong free cash flow lead to robust capital returns to stockholders – Coeur's Board of Directors has authorized an expanded $750 million share repurchase program as well as an inaugural $0.02 per share semiannual dividend policy expected to be paid in June and December of each year. Additionally, Coeur has entered into a new $1.0 billion revolving credit facility to further bolster its liquidity profileUpdated New Afton and Rainy River S-K 1300 technical reports highlight mine life expansion opportunities and strong free cash flow – New life of mine plans reflect strong production and cash flow profiles from both operations including the impact of the recently developed C-Zone at New Afton and a two-year mine life extension at Rainy RiverMaiden resource at K-Zone positions New Afton for substantial future mine life extension – Year-end 2025 measured and indicated mineral resources at K-Zone totaled 47.6 million tonnes containing 715,000 ounces of gold, 2.8 million ounces of silver and 606 million pounds of copper. K-Zone inferred mineral resources totaled 5.9 million tonnes containing 86,000 ounces of gold, 309,000 ounces of silver and 77 million pounds of copper. New Afton's 2025 proven and probable reserves totaled 36.2 million tonnes containing 780,000 ounces of gold, 201 million ounces of silver, and 591 million pounds of copper