Endeavour Silver mills 57,080 t at Terronera in July

Executive Summary

• Terronera mine milled 57,080 tonnes in July 2025, averaging 1,841 t/d, with current rates now between 1,900–2,000 t/d.
• Since July 16 2025, silver and gold recoveries have averaged 71 % and 67 %, respectively, while processing lower‑grade material.
• Higher‑grade feed is slated for imminent processing, expected to boost recoveries further and support the target design throughput of 2,000 t/d.

Key Details

• Total July milling volume: 57,080 tonnes (average 1,841 t/d).
• Post‑commissioning throughput has risen rapidly; current mill rates are 1,900–2,000 t/d as circuit adjustments continue.
• Recovery performance (July 16 – end of month):
• Silver recovery: 71 %
• Gold recovery: 67 %
• Processing currently focused on lower‑grade ore; higher‑grade material scheduled for near‑term feed to improve recoveries.
• Ongoing optimization of grinding and flotation circuits aimed at enhancing overall plant efficiency.
• Management comment (COO Don Gray): “We are very pleased with how well start‑up has progressed… our focus on implementing our business readiness plan has well positioned us for successful operation of Endeavour’s next core asset.”
• The ramp‑up is progressing toward the designed sustainable production level and eventual commercial output.

Notable Quotes

“We are very pleased with how well start‑up has progressed,” commented Don Gray, chief operating officer. “Our Terronera team has really taken ownership with the mill start‑up and throughput increase while simultaneously managing the challenges that arise in the early start‑up phase.”