Denison Mines Corp.

Vancouver, British Columbia--(Newsfile Corp. - January 21, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce drilling plans for the Company's Darby and Murphy Lake North ("MLN") projects (Figure 1). Darby and MLN are joint ventures (the "Joint Venture") between Cosa and Denison Mines Corp. (TSX: DML) (NYSE American: DNN) ("Denison") and are located 10 kilometres west of Cameco's Cigar Lake Mine and three kilometres east of IsoEnergy's Hurricane Deposit, respectively, in the eastern Athabasca Basin, Saskatchewan....

VANCOUVER, British Columbia, Jan. 20, 2026 (GLOBE NEWSWIRE) -- Equity Insider News Commentary – North American markets have identified a structural failure: The United States can dig for minerals, but it cannot refine them[1]. This disconnection is no longer a logistical oversight; it is a classified national security vulnerability triggering immediate federal intervention. Washington is now aggressively underwriting infrastructure to bypass outdated refining methods[2], marking 2026 as the year valuation models shift from simple extraction to execution-ready processing platfo...

Vancouver, British Columbia--(Newsfile Corp. - January 14, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to report the promotion of Justin Rodko to Vice President, Corporate Development. Additionally, the Company announces the issuance of common shares to its largest shareholder and joint venture partner Denison Mines Corp. (TSX: DML) (NYSE American: DNN) ("Denison") pursuant to the acquisition agreement between Cosa and Denison dated November 26, 2024 (the "Acquisition Agreement").Mr. Rodko is a Professional Geoscienti...