Endeavour Silver Produces 6,486,661 Oz Silver and 37,164 Oz Gold, for a total of 11.2 Million Silver Equivalent Oz in 2025

Core Viewpoint - Endeavour Silver Corp. reported strong growth in 2025, achieving record silver equivalent production and successfully ramping up operations at the Terronera mine [2][4]. Production Overview - Full year 2025 production included 6,486,661 silver ounces and 37,164 gold ounces, resulting in a silver equivalent production of 11.2 million ounces [1][13]. - Fourth quarter 2025 production was 2,030,206 silver ounces and 13,785 gold ounces, with silver equivalent production of 3.8 million ounces [1][12]. Q4 2025 Mine Operations - Consolidated silver production in Q4 2025 was 2,030,206 ounces, a 146% increase compared to Q4 2024, attributed to the addition of Kolpa and Terronera production [4][12]. - Consolidated gold production was 13,785 ounces, a 52% increase from Q4 2024, driven by higher output from Terronera and increased production at Guanaceví [5][12]. Terronera Mine Performance - Terronera achieved commercial production on October 1, 2025, with a throughput of 154,180 tonnes, producing 352,002 ounces of silver and 8,148 ounces of gold [6][7]. - The average grades for silver and gold during Q4 2025 were 86 g/t and 2.27 g/t, respectively, with a focus on lower-grade areas to align with production ramp-up plans [6][8]. Guanaceví and Kolpa Performance - Guanaceví's throughput was 78% higher than Q4 2024, resulting in a 22% increase in silver production despite lower grades [9][12]. - Kolpa's throughput was 198,830 tonnes, producing 631,867 ounces of silver, with average grades of 108 g/t [10][18]. Bolañitos Mine Sale - A definitive agreement was reached to sell the Bolañitos mine for $30 million in cash and $10 million in shares, with potential contingent payments based on production milestones [7][11]. Financial Highlights - The company completed a $350 million convertible notes offering, which will be used to advance the Pitarrilla project and for general corporate purposes [7][12].