Denison Mines

DNN

Market cap $2.77B

Vancouver, British Columbia--(Newsfile Corp. - October 14, 2025) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to report it has identified multiple high priority follow up drill targets at the Darby Project ("Darby" or the "Project"). Darby is a joint venture (the "Joint Venture") between Cosa and Denison Mines Corp. ("Denison") (TSX: DML) (NYSE American: DNN) and is located 10 kilometres west of Cameco's Cigar Lake Mine in the eastern Athabasca Basin, Saskatchewan.

Kelowna, British Columbia--(Newsfile Corp. - October 3, 2025) - F3 Uranium Corp. (TSXV: FUU) (OTCQB: FUUFF) ("F3" or the "Company") notes that pursuant its financing agreement with Denison Mines Corp. (TSX: DML) (NYSE American: DNN) ("Denison") from October 2023, it has elected to settle a portion of the interest accrued to date in common shares (the "Debt Settlement"). The payment to Denison will consist of a cash payment of $225,000 and a total of 556,931 common shares of the corporation at a deemed price of $0.202 per share Terms of the Debenture as previously announced The Debenture carries a 9% coupon (the "Interest"), payable quarterly, has a maturity date of October 18, 2028, and is convertible at Denison's option into common shares of the Company at a conversion price of $0.56 per share (the "Conversion Price").

TORONTO , Sept. 12, 2025 /PRNewswire/ - Denison Mines Corp. ("Denison" or the "Company") (TSX: DML) (NYSE American: DNN) is pleased to announce its further investment in Foremost Clean Energy Ltd.

Upgrading Denison Mines to a buy rating due to strong progress at the Phoenix project and promising long-term production outlook. Phoenix is on track for 2028 production, with management actively securing permits and the site projected as one of the world's lowest-cost uranium mines. Recent financing provides a financial cushion for development, and current toll mining generates sufficient near-term cash flow until major production begins.

TORONTO , Aug. 15, 2025 /PRNewswire/ - Denison Mines Corp. (TSX: DML)(NYSE AMERICAN: DNN) ("Denison" or the "Company") is pleased to announce that it has closed its previously announced offering of convertible senior unsecured notes due 2031 (the "Notes") for an aggregate principal amount of US$345 million, which includes the upsized offering of US$300 million and the exercise in full of the $45 million option granted to the initial purchasers of the Notes (the "Offering"). PDF Version Denison's President & CEO, David Cates, commented, "Denison is humbled by the overwhelming support we received from the convertible note investment community for this offering of a 'US-Style' convertible note with a cash-settled capped call overlay – a novel transaction for a Canadian-domiciled and TSX-listed company.

Denison Mine (DNN) has been upgraded to a Zacks Rank #2 (Buy), reflecting growing optimism about the company's earnings prospects. This might drive the stock higher in the near term.

TORONTO , Aug. 13, 2025 /PRNewswire/ - Denison Mines Corp. (TSX: DML)(NYSE AMERICAN: DNN) ("Denison" or the "Company") announces that, on August 12, 2025, it upsized and priced its previously announced offering of convertible senior unsecured notes due 2031 (the "Notes") for an aggregate principal amount of US$300 million (the "Offering"). The Company has granted the initial purchasers of the Notes an option for a period of 13 days, beginning on, and including the date on which the Notes are first issued, to purchase up to an additional US$45 million aggregate principal amount of Notes.

TORONTO , Aug. 12, 2025 /PRNewswire/ - Denison Mines Corp. (TSX: DML) (NYSE AMERICAN: DNN) ("Denison" or the "Company") announces that it is offering convertible senior unsecured notes due 2031 (the "Notes") in an aggregate principal amount of US$250 million (the "Offering"). The Company expects to grant the initial purchasers of the Notes an option for a period of 13 days, beginning on, and including the date on which the Notes are first issued, to purchase up to an additional US$37.5 million aggregate principal amount of Notes.

TORONTO , Aug. 7, 2025 /PRNewswire/ - Denison Mines Corp. ('Denison' or the 'Company') (TSX: DML) (NYSE American: DNN) today filed its Condensed Consolidated Financial Statements and Management's Discussion & Analysis ('MD&A') for the three and six months ended June 30, 2025. Both documents will be available on the Company's website (at www.denisonmines.com), SEDAR+ (at www.sedarplus.ca) and EDGAR (at www.sec.gov).

TORONTO , Aug. 6, 2025 /PRNewswire/ - Denison Mines Corp. ("Denison" or the "Company") (TSX: DML) (NYSE American: DNN) is pleased to report the results of the Preliminary Economic Assessment ("PEA") completed for In-Situ Recovery ("ISR") mining of the Midwest Main uranium deposit ("Midwest Main") at the Company's 25.17%-owned Midwest project ("Midwest"). The PEA outlines total ISR mine production (100% basis) of 37.4 million pounds U3O8 over an approximately 6-year mine life, resulting in annual average production of nearly 6.1 million pounds U3O8, an after-tax base-case NPV of $965 million, and after-tax base-case IRR of 82.7%.