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Cosa Intersects Anomalous Radioactivity and Additional Prospective Geology at Darby Joint Venture with Denison Mines

Newsfile | Nov 12, 2026 8:00 AM EST

Vancouver, British Columbia--(Newsfile Corp. - November 12, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce results of the summer drilling program at the Company's Darby ("Darby") project (Figure 1). Darby is a joint venture (the "Joint Venture") between Cosa and Denison Mines Corp. ("Denison") (TSX: DML) (NYSE American: DNN) and is located 10 kilometres west of Cameco's Cigar Lake Mine. Cosa is the project operator and holds...

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