Sunshine Silver Mining & Refining Expands Silver Valley Land Position by 60% to Approximately 38,000 Acres and Initiates Multi-Year, 45,000-Meter District-Scale Exploration Program

Sunshine Silver Mining & Refining Expands Silver Valley Land Position by 60% to Approximately 38,000 Acres and Initiates Multi-Year, 45,000-Meter District-Scale Exploration Program PR Newswire

KELLOGG, Idaho, Sept. 21, 2026 /PRNewswire/ -- Sunshine Silver Mining & Refining Company (the "Company" or "Sunshine") (NYSE:SSMR), a mining company advancing the next chapter of American silver, today announced the expansion of its consolidated mineral rights position in Idaho's Silver Valley by approximately 14,100 acres, or 60%, to approximately 38,000 acres. Sunshine is the largest mineral rights holder in the Silver Valley, the most prolific silver district in U.S. history.