DENISON MINES Business Summary

Denison Mines Corp. (DNN) is a premier uranium exploration and development company primarily focused on the Athabasca Basin region of northern Saskatchewan, Canada. The company generates revenue through a diversified model that includes toll milling fees from its 22.5% interest in the McClean Lake uranium mill, the sale of uranium concentrates, and project management services for environmental and decommissioning projects. Its primary business is divided into the Mining segment, which encompasses its 95% interest in the flagship Wheeler River project, and the Corporate segment. Denison is currently transitioning from a developer to a producer, leveraging its Phoenix deposit as a high-grade, low-cost In-Situ Recovery (ISR) operation. In the competitive landscape, Denison contends with major players like Cameco (CCO), NexGen Energy (NXE), and Energy Fuels (EFR); it distinguishes itself by maintaining one of the lowest projected all-in sustaining costs in the industry and holding a strategic 15% effective interest in JCU (Canada) Exploration Company. Leadership is spearheaded by President and CEO David Cates, a Chartered Professional Accountant with over a decade of executive experience at Denison and a prior background at Kinross Gold and PwC. He is supported by CFO Elizabeth Sidle, who joined from Ernst & Young and oversees the firm’s complex financial reporting and capital allocation strategies. The company carries a strong pedigree as part of the Lundin Group of companies, originally founded by the late Lukas Lundin, which provides significant institutional backing and resource-sector expertise. The Board of Directors features high-profile industry veterans, including Ken Hartwick, the former CEO of Ontario Power Generation, and Jennifer Traub, a leading mining sector legal expert at Cassels Brock. Notable institutional investors include Alps Advisors, Sprott Inc., and Korea Hydro & Nuclear Power (KHNP), the latter of which maintains a strategic partnership and board representation through Jinsu Baik, reinforcing Denison’s critical role in the global nuclear fuel supply chain.