TORONTO, Aug. 6, 2025 /PRNewswire/ - Denison Mines Corp. ("Denison" or the "Company") (TSX: DML) (NYSE American: DNN) is pleased to report the results of the Preliminary Economic Assessment ("PEA") completed for In-Situ Recovery ("ISR") mining of the Midwest Main uranium deposit ("Midwest Main") at the Company's 25.17%-owned Midwest project ("Midwest"). The PEA outlines total ISR mine production (100% basis) of 37.4 million pounds U3O8 over an approximately 6-year mine life, resulting in annual average prod ...