TORONTO, Nov. 27, 2024 /PRNewswire/ - Denison Mines Corp. ("Denison" or the "Company") (TSX: DML) (NYSE American: DNN) is pleased to announce that is has executed an agreement (the "Agreement") with Cosa Resources Corp. ("Cosa") (TSX-V: COSA) to form three uranium exploration joint ventures in the eastern portion of the Athabasca Basin region in northern Saskatchewan. Pursuant to the Agreement, Cosa will acquire a 70% interest in Denison's 100%-owned Murphy Lake North, Darby, and Packrat properties (the "Pr ...