Sunshine Silver Mining & Refining Reports Drill Results Exceeding 1,000 grams per tonne Silver from Multiple Zones including New "10 Vein"

Drilling Advances 2027 Sunshine Mine Feasibility Study, Supports Near-Mine Growth Potential in Upper Country and Planned Return to Production in Late 2028 KELLOGG, Idaho, July 23, 2026 /PRNewswire/ -- Sunshine Silver Mining & Refining Company (the "Company" or "Sunshine") (NYSE: SSMR), a...