Peter Ballantyne Cree Nation Withdraws Judicial Review and Confirms Support for the Wheeler River Project

About this update from Denison Mines Corp.

Peter Ballantyne Cree Nation Withdraws Judicial Review and Confirms Support for the Wheeler River Project /* Style Definitions */ span.prnews_span { font-size:8pt; font-family:"Arial"; color:black; } a.prnews_a { color:blue; } li.prnews_li { font-size:8pt; font-family:"Arial"; color:black; } p.prnews_p { font-size:0.62em; font-family:"Arial"; color:black; margin:0in; } Canada NewsWire TORONTO, July 2, 2026 /CNW/ - Denison Mines Corp. ("Denison" or the "Company") (TSX: DML) (NYSE American: DNN) reports that Peter Ballantyne Cree Nation ("PBCN") has withdrawn its judicial review application previously filed in the Court of King's Bench for Saskatchewan related to the Environmental Assessment approval granted by the Province of Saskatchewan for the Phoenix In-Situ Recovery ("ISR") uranium mine ("Phoenix"). As a result of further engagement with PBCN, Denison is also pleased to report that PBCN has now formally provided its consent to and support for the development and operation of Denison's Wheeler River Project ("Wheeler River") in northern Saskatchewan. View PDF VersionAbout Wheeler RiverWheeler River is the largest undeveloped uranium project in the infrastructure-rich eastern portion of the Athabasca Basin region, in northern Saskatchewan. The project is host to the high-grade Phoenix and Gryphon uranium deposits, discovered by Denison in 2008 and 2014, respectively, and is a joint venture between Denison (90% and operator) and JCU (Canada) Exploration Company Limited ("JCU", 10%). In August 2023, Denison filed a technical report (the "Wheeler River Report") summarizing the results of (i) Phoenix FS; and (ii) a cost update to the 2018 Pre-Feasibility Study for conventional underground mining of the basement-hosted Gryphon uranium deposit. Based on the respective studies, both deposits have the potential to be competitive with the lowest cost uranium mining operations in the world. Permitting efforts for the planned Phoenix ISR operation commenced in 2019, culminating in the July 2025 approval of the Project's Environmental Assessment ("EA") by the Province of Saskatchewan and the February 2026 approval of the Project's EA and the grant of the construction licence by the Canadian Nuclear Safety Commission. Site preparation and early works construction commenced for Phoenix in March 2026 with first production targeted for 2028. More in...

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