Successful IPO, High-Grade Drilling Results and Infrastructure Progress Advance Planned Return to Production

KELLOGG, Idaho, Aug. 12, 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 its financial and operating results for the quarter ended June 30, 2026, and provided an update on activities at its principal asset, the Sunshine Mine, located in Idaho's Silver Valley — one of the most prolific silver districts in the United States.