Yurchison Uranium Property

Vancouver, BC – September 18, 2026 -- Purecore Metals Inc. (CSE: PURE) (FSE: J8Y) (OTCQB: PPURF) has commenced a comprehensive data compilation and technical review program at the Yurchison Uranium Property in the Athabasca Basin, northern Saskatchewan, a 35,029-hectare asset located approximately 75 kilometres south of Cameco Corporation's Rabbit Lake operation.

Purecore holds an option to earn up to 100% of the Skyharbour-optioned property

The Company holds an option to earn up to a 100% interest in Yurchison under a definitive agreement with Skyharbour Resources Ltd. (TSXV: SYH). The property comprises 22 claims and sits within the Wollaston Domain, underlain by Wollaston Supergroup metasedimentary gneisses adjacent to Archean granitic gneisses.