Shine Provides Update on Acquisition of Red Cloud Silver

Vancouver, British Columbia--(Newsfile Corp. - December 17, 2025) - Shine Minerals Corp. (TSXV: SMR.H) ("Shine" or the "Company") is pleased to provide an update to its press release dated December 11, 2025 whereby it announced that it has entered into a binding letter of intent dated December 10, 2025 with Red Cloud Silver Ltd. ("RCS") outlining the principal terms of a proposed transaction (the "Proposed Transaction").

The Proposed Transaction positions Shine to secure a high-quality exploration opportunity in one of the most historically productive and infrastructure-rich silver districts in the American Southwest. By obtaining the right to acquire 100% of RCS and its option on the Silver District Project (the "Project"), which has a recorded production including 1.56 Moz (44,225 kg) silver and 2.33 million lbs (1.06 million kg) lead, mostly produced during a peak production period from 1883-1893¹. With this acquisition, The Company gains exposure to a large, multi-target system with demonstrated silver, fluorspar and barite mineralization across a district-scale land package. Each of which are US Critical Minerals.

Dev Randhawa, CEO of Shine stated: "The Silver District Project represents a rare opportunity to consolidate a historically productive silver-dominant district in one of the most mining-friendly jurisdictions in the United States. Located in Arizona's La Paz County, the Project hosts a broad system of high-grade silver, fluorspar and barite showings across a large, underexplored land position with demonstrated potential for scale. We believe the property offers exceptional discovery upside, supported by modern exploration, strong geology, and a clear pathway to 100% ownership. This is exactly the kind of high-impact asset that can reposition Shine and drive meaningful value creation for our shareholders."

The Company would like to clarify that further to its previous press release dated December 11, 2025 whereby it announced the Proposed Transaction, the Proposed Transaction is not expected to constitute a reverse takeover or change of business under TSX Venture Exchange ("TSXV") Policy 5.2, and is instead expected to be treated as a fundamental acquisition in accordance with TSXV Policy 5.3. The Company will provide further disclosure as required under TSXV Policy 5.3 as additional details become available or upon execution of a definitive agreement.