Denison Mines

DNN

Market cap $2.55B

Vancouver, British Columbia--(Newsfile Corp. - July 15, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce that it has issued common shares (the "Deferred Consideration Shares") to Denison Mines Corp. ("Denison") (TSX: DML) (NYSE American: DNN) as full satisfaction of the deferred consideration (the "Deferred Consideration") pursuant to the acquisition agreement (the "Acquisition Agreement") between Cosa and Denison. Keith Bodnarchuk, President and CEO, commented: "Working closely with Denison since January 2025 has been incredibly rewarding for the Company and we are very pleased to continue to work with Denison as our largest shareholder and joint venture partner.

Kelowna, British Columbia--(Newsfile Corp. - July 7, 2026) - F3 Uranium Corp. (TSXV: FUU) (OTCQB: FUUFF) ("F3" or the "Company") notes that it wishes to issue Common shares to Denison Mines Corp. ("Denison") (TSX: DML) (NYSE American: DNN) pursuant its financing agreement as entered into in October 2023. Denison has elected to settle a portion of the accrued interest for the past quarter with the acceptance of common shares of F3 (the "Debt Settlement").

TORONTO, July 2, 2026 /PRNewswire/ - 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 ("Denison" or the "Company") (TSX: DML) (NYSE American: DNN) reports that Peter Ballantyne Cree Nation ("PBCN") has withdrawn its judicial review application previously filed in the Court of King's Bench for Saskatchewan related to the Environmental Assessment approval granted by the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.

Denison Mines is rated Strong Buy, offering direct exposure to uranium's bullish supply-demand dynamics via its low-cost Canadian projects. DNN's flagship Wheeler River Project, with Phoenix Deposit construction commencing in Q2, targets production by mid-2028 and boasts industry-low all-in costs of $18.41/lb. With C$418 million in cash and limited equity issuance needs post-2028, DNN's balance sheet provides robust downside protection during market volatility.

Vancouver, British Columbia--(Newsfile Corp. - June 26, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce the commencement of an ambient noise tomography ("ANT") survey at the Astro project ("Astro" or the "Project"). Astro is located in the eastern Athabasca Basin, approximately 28 kilometres west of Cameco's McArthur River uranium Mine.

Vancouver, British Columbia--(Newsfile Corp. - June 25, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce the commencement of a property-wide airborne radiometric survey at the Aurora project ("Aurora" or the "Project"). Aurora is located in the southeastern Athabasca Basin approximately 16 kilometres east of Cameco's Key Lake Mill and historical Mine.

Vancouver, British Columbia--(Newsfile Corp. - June 18, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce drilling has commenced at the Company's Murphy Lake North ("MLN") project (Figure 1). MLN is a joint venture (the "Joint Venture") between Cosa and Denison Mines Corp. (TSX: DML) (NYSE American: DNN) ("Denison") and is located three kilometres east of IsoEnergy's Hurricane deposit.

Investors looking to capitalize on the growing nuclear energy market may consider companies such as PCG, NEE and CEG as attractive opportunities.

Vancouver, British Columbia--(Newsfile Corp. - June 15, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce summer plans for the Company's Darby ("Darby") project. Darby is a joint venture (the "Joint Venture") between Cosa and Denison Mines Corp. (TSX: DML) (NYSE American: DNN) ("Denison") and is located 10 kilometres west of Cameco's Cigar Lake Mine in the eastern Athabasca Basin, Saskatchewan (Figure 1).

Vancouver, British Columbia--(Newsfile Corp. - June 4, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce that, in connection with its previously announced "bought deal" private placement (the "Offering"), it has entered into an amended agreement with Velocity Trade Capital Ltd., on behalf of itself and a syndicate of underwriters to include Haywood Securities Inc. as co-lead underwriter (collectively, the "Underwriters") to increase the size of the Offering to: (i) 5,835,000 common shares of the Company (the "Non-FT Shares") at a price of C$0.60 per Non-FT Share, (ii) 3,045,000 Saskatchewan charity flow-through common shares of the Company (the "Saskatchewan Charity FT Shares") at a price of C$0.99 per Saskatchewan Charity FT Share, (iii) 4,020,000 national charity flow-through common shares of the Company (the "National Charity FT Shares" and together with the Saskatchewan Charity FT Shares, the "Charity FT Shares") at a price of C$0.87 per National Charity FT Share and (iv) 2,860,000 flow-through common shares of the Company (the "FT Shares", and together with the Non-FT Shares and Charity FT Shares, the "Offered Securities") at a price of C$0.70 per FT Share, for aggregate gross proceeds to the Company of C$12,014,950.