Business
Denison Mines Announces Closing of Transaction with Skyharbour Resources and Formation of Four Prospective Exploration Joint Ventures Proximal to Wheeler River
TORONTO, Dec. 17, 2025 /CNW/ - Denison Mines Corp. ("Denison" or the "Company") (TSX: DML; NYSE American: DNN) is pleased to announce that it has closed the pre
About this update from Denison Mines Corp.
[{"type":"text","content":" TORONTO, Dec. 17, 2025 /CNW/ - Denison Mines Corp. (\"Denison\" or the \"Company\") (TSX: DML; NYSE American: DNN) is pleased to announce that it has closed the previously announced transaction (the \"Transaction\") with Skyharbour Resources Ltd. (\"Skyharbour\") (TSX-V:SYH) (OTCQX: SYHBF), (Frankfurt:SC1P) and the formation of four joint ventures consisting of claims previously comprising Skyharbour's Russell Lake Uranium Project (\"Russell\"), which is located directly adjacent to Denison's flagship Wheeler River Project (\"Wheeler River\"). The new joint ventures are designed to drive collaboration between Denison and Skyharbour's technical teams and to accelerate the evaluation of the prospective exploration ground adjacent to and proximal to Wheeler River. Denison will serve as the operator for the Wheeler North and Wheeler River Inliers joint ventures, with ownership interests of 49% and 70% respectively. Skyharbour will serve as the operator for the Russell Lake (or \"RL\") and Getty East joint ventures, with Denison having ownership interests of 20% and 30%, respectively. In addition, Denison and Skyharbour have entered into option agreements (the \"Earn-In Option Agreements\"), which allow Denison to increase its ownership interest in each of the Wheeler North and Getty East joint ventures to up to 70%. About Denison Denison is a leading uranium mining, development, and exploration company with interests focused in the Athabasca Basin region of northern Saskatchewan, Canada. Denison has an effective 95% interest in its flagship Wheeler River Uranium Project, which is the largest undeveloped uranium project in the infrastructure rich eastern portion of the Athabasca Basin region of northern Saskatchewan. In mid-2023, the Phoenix feasibility study was completed for the Phoenix deposit as an ISR mining operation, and an update to the previously prepared 2018 Pre-Feasibility Study ('PFS') was completed for Wheeler River's Gryphon deposit as a conventional underground mining operation. 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 and are nearing completion with approval in July 2025 of the project's EA by the Prov...