SSMR

Drilling to Support Q1 2027 Mineral Resource Estimate and Q2 2027 Sunshine Mine Feasibility Study Ahead of Planned Late 2028 Return to Production KELLOGG, Idaho, Nov. 5, 2026 /PRNewswire/ -- Sunshine Silver Mining & Refining Company (NYSE:SSMR) (the "Company" or "Sunshine"), a mining company advancing the next chapter of American silver, today announced the completion of its 50,000-meter infill drill program at the Sunshine Mine in Idaho's Silver Valley. The Company is also reporting the remaining results from the drill program, including multiple intercepts exceeding 1,000 grams per tonne ("gpt") silver across several veins.

KELLOGG, Idaho, Nov. 2, 2026 /PRNewswire/ -- Sunshine Silver Mining & Refining Company (NYSE:SSMR) (the "Company" or "Sunshine"), a mining company advancing the next chapter of American silver, today announced that its common stock will be added to the Solactive Global Silver Miners Index ("Silver Index") effective at market open on November 2, 2026. The addition follows Sunshine's debut on the New York Stock Exchange on June 4, 2026, and places the Company in a global benchmark of leading businesses active in the silver sector.

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.

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.

KELLOGG, Idaho, Sept. 18, 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 that its common stock will be added to the VanEck Junior Gold Miners ETF ("GDXJ") effective at market close on September 18, 2026.

KELLOGG, Idaho, Sept. 1, 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 appointment of Mike Patterson as Vice President of Investor Relations and Corporate Development.

Sunshine Silver Mining & Refining NYSE: SSMR reported a wider second-quarter loss as it accelerated development work at its Sunshine Mine in Idaho and incurred costs associated with becoming a publicly traded company.

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. "The second quarter, marked by the successful completion of our initial public offering and listing on the New York Stock Exchange, was transformational for the iconic mine known throughout the Silver Valley as The Shine — and for the American silver industry," said Heather White, Chief Executive Officer of Sunshine Silver Mining and Refining Company.

KELLOGG, Idaho, July 28, 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 that it will report its unaudited second quarter 2026 financial results after market close on August 12, 2026. The Company plans to host a conference call and webcast on August 13, 2026 at 10:00 a.m.

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 mining company advancing the next chapter of American silver, today announced new results from its ongoing 50,000-metre drilling program at the Sunshine Mine, located in Idaho's Silver Valley. As the largest mineral rights holder in the Silver Valley, Sunshine offers untapped exploration potential both near-mine and at district scale.