Mr. Darrell Rader reports

MINAURUM ENGAGES SGS TO COMPLETE MINERAL RESOURCE UPDATE ON THE ALAMOS SILVER PROJECT

Minaurum Silver Inc. has engaged SGS Metallurgy and Consulting Geological Services (SGS) to update the company's mineral resource estimate on its high-grade Alamos silver project in Sonora, Mexico. SGS has extensive experience in Mexico, having completed resource estimates at Vizsla Silver's Panuco project and Endeavour Silver's Pitarrilla project, among others.

"SGS is an industry leader in geological, mining and metallurgical services, including the evaluation of mineral resources," stated Darrell Rader, president and chief executive officer of Minaurum Silver. "Our project management and resource modelling team have had extensive experience working with SGS at SilverCrest's Las Chispas deposit, making this a natural and highly effective collaboration. We look forward to working with SGS as we complete the updated mineral resource estimate."

In January, 2026, Minaurum announced its inaugural mineral resource estimate of 5.37 million tonnes containing 55.2 million ounces of silver equivalent (AgEq) grading 320 grams per tonne (g/t) AgEq or 202 g/t silver (Ag), 0.21 g/t gold (Au), 0.43 per cent copper (Cu), 0.97 per cent lead (Pb) and 2.01 per cent zinc (Zn). The resource contains 34.8 million ounces of silver, 35,640 ounces of gold, 51.0 million pounds of copper, 115 million pounds of lead and 238 million pounds of zinc (see news release dated Jan. 28, 2026). The supporting National Instrument 43-101 technical report was filed on Feb. 27, 2026, and included 104 drill holes, totalling 35,888.15 metres and 10,194 samples.

Minaurum launched an aggressive 50,000-metre, six-rig core drilling campaign in December, 2025, as part of its continuing resource expansion program targeting the Europa, Promontorio and Travesia vein zones, and testing their extensions along strike and downplunge. The program also includes drilling at the Promontorio Sur and Europa Sur extensions, together with initial resource drill testing of the Quintera and San Jose vein zones. To date, the company has reported numerous high-grade intercepts from Quintera, Europa Sur and San Jose (see Minaurum news releases dated Feb. 10, 2026, Feb. 26, 2026, March 31, 2026, May 27, 2026, and July 8, 2026).

The updated mineral resource estimate will incorporate new data from the core areas of the Europa, Promontorio and Travesia vein zones, as well as additional vein zones, including Europa Sur, Quintera and San Jose, thereby expanding the scope of the previous historical estimate, which is expected later in 2026.

Minaurum Silver is an Americas-focused explorer concentrating on the high-grade 100-per-cent-owned, production-permitted Alamos silver project in southern Sonora, Mexico, and the Lone Mountain CRD (carbonate replacement deposit) project in Nevada, U.S. Minaurum is managed by one of the strongest technical and finance teams, and will continue its founders' legacy of creating shareholder value by acquiring and developing a pipeline of Tier 1 precious and base metal projects.

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