Denison Mines Ready To Start Phoenix ISR Uranium Mine Construction Pending Q1 2026 Approvals With C$600M Capex And First Production Targeted For Mid 2028

 Denison Mines Corp. ("Denison" or the "Company") (TSX:DML, NYSE:DNN) is pleased to report that, pending final regulatory approvals, it is ready to make a final investment decision ("FID") and commence construction of the proposed Phoenix In-Situ Recovery ("ISR") uranium mine ("Phoenix" or the "Project").  Significant regulatory, engineering, and construction planning progress has been made throughout 2025, which has positioned Phoenix in a construction-ready state, including confirmation of an expected 2-year construction timeline.  Provided final regulatory approvals to commence construction are received in Q1'2026, targeted first production remains on track for mid-2028.  Additionally, based on substantial completion of project engineering and execution of significant procurement activities since 2023, Denison is providing an updated initial capital cost estimate for the Project. PDF Version.