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. ET.

The live webcast and presentation slides will also be available at www.sunshinesilvermining.com/investors/.

About Sunshine Silver Mining & Refining Company

Sunshine Silver Mining & Refining Company is advancing toward silver production from the Sunshine Mine in Idaho’s Silver Valley, the most prolific silver district in U.S. history. The Sunshine Mine is North America’s highest-grade primary silver resource. It is characterized by exceptional size, extraordinary growth potential, existing infrastructure, and a history of proven production. Sunshine, the largest holder of mineral rights in the Silver Valley, also controls a consolidated land position with significant exploration potential and is evaluating additional value opportunities through silver/copper refining and antimony production. For more information, visit www.sunshinesilvermining.com.

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SOURCE SUNSHINE SILVER MINES CORPORATION