Sunshine Silver Mining & Refining Advances Operational Readiness at the Sunshine Mine
Underground development, major infrastructure upgrades and site-preparation continue at the Sunshine Mine in support of its planned return to production in late 2028 KELLOGG, Idaho, Oct. 19, 2026 /PRNewswire/ -- Sunshine Silver Mining & Refining Company (NYSE: SSMR) ("Sunshine" or the "Company"), a mining company advancing the next chapter of American silver, today provided an update on operational readiness activities at the Sunshine Mine in Idaho's Silver Valley — the most prolific silver district in the United States. The Company's ongoing operational readiness program is focused on advancing underground development, modernizing critical infrastructure and preparing surface facilities in support of a feasibility study targeted for completion in the second quarter of 2027 and the Sunshine Mine's planned return to production in late 2028.
