DENISON MINES CORP.

# Denison Mines Corp.

Denison Mines is a uranium exploration and development company headquartered in Toronto, Ontario. The company acquires, explores, and develops uranium-bearing properties, with operations focused in Canada. Denison holds a 95% interest in the Wheeler River uranium project, its flagship asset located in Saskatchewan's Athabasca Basin, a region with established uranium mining infrastructure and geology.

The company operates primarily in the pre-production or development phase, generating revenue through uranium exploration and project advancement rather than commercial mining operations. Denison's business model centers on advancing the Wheeler River project toward potential production, which includes the Phoenix and Gryphon deposits. The company also holds other prospective uranium properties within the Athabasca Basin and other Canadian regions.

Denison was incorporated in Ontario in 1954 and rebranded from International Uranium Corporation in 2006. The company is listed on the NYSE and maintains its primary operations in Canada. Specific employee count and annual revenue figures are not disclosed in available data, though the company's market valuation reflects its status as a significant participant in the North American uranium exploration sector.