Denison Achieves Key Milestone with Completion of Metallurgical Test Work to Define Phoenix Process Plant Components and Confirmation of Ability to Produce Yellowcake

TORONTO, Aug. 3, 2022 /PRNewswire/ – Denison Mines Corp. (“Denison” or the “Company”) (TSX: DML) (NYSE American: DNN) is pleased to announce the substantial completion of extensive metallurgical test work to define the mechanical components for the planned Phoenix processing plant (the…