Endeavour Silver Produces 1,943,955 Oz Silver and 10,474 Oz Gold, for a total of 3.4 Million Silver Equivalent Oz in Q2 2026

Endeavour Silver Corporation (NYSE: EXK; TSX: EDR) reports second quarter 2026 production of 1,943,955 silver ounces (“oz”), 10,474 gold oz, and in combination with base metals, a silver equivalent (1) production of 3.4 million oz. Year-to-date production was 3,819,329 silver oz and 22,215 gold oz for a total silver equivalent production of 6.8 million ounces. All dollar amounts are in US dollars ($). “During the second quarter, we continued to advance our operational priorities across the portfolio, with Terronera making steady progress through plant optimization, Kolpa delivering a meaningful step-up in throughput following its plant expansion, and Pitarrilla feasibility study advancing,” commented Dan Dickson, Chief Executive Officer. “While Terronera’s production remains in line with our planned first-half ramp-up profile, the continued improvement in Terronera recoveries and the strong contribution from Kolpa position us well as we work to build momentum through the remainder of 2026.” Q2 2026 Production Overview Terronera Continues Plant Optimization: Throughput was consistent with plan in Q2, while metal recoveries improved through continued process refinement. Kolpa Expansion Increases Throughput: A significant portion of the plant expansion was commissioned at the end of Q1 2026, resulting in throughput of 233,408 tonnes in Q2 2026, a substantial increase compared to previous quarters. Recoveries remained stable through Q2 2026, while grades experienced a slight decrease as mining development in higher-grade areas catches up with the new plant capacity. As a result, Q2 ...