Denison Mines

DNN

Market cap $3.32B

Vancouver, British Columbia--(Newsfile Corp. - May 28, 2026) - Cosa Resources Corp. (TSX-V: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to announce summer plans for the largest drill program to date at the Company's Murphy Lake North ("MLN") project. Drilling is set to commence in mid-June and will follow up on uranium mineralization intersected in winter 2026.

Denison locks in uranium sales as utilities seek long-term nuclear fuel supply ahead of Phoenix production.

Vancouver, British Columbia--(Newsfile Corp. - May 26, 2026) - Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) ("Cosa" or the "Company") is pleased to report that chemical assays confirm previously-announced radioactive intersections include up to 1.7% U3O8 within a broader interval of 5.0 metres of 0.55% U3O8 at the Company's Murphy Lake North ("MLN") project. Muphy Lake North is a joint venture (the "Joint Venture") between Cosa and Denison Mines Corp. ("Denison") (TSX: DML) (NYSE American: DNN) and is located three kilometres east of IsoEnergy's Hurricane deposit, in the eastern Athabasca Basin, Saskatchewan.

Cameco's scale and contracts offer stability, while Denison's Phoenix project drives high-risk growth potential in the uranium market.

VANCOUVER, British Columbia, May 19, 2026 (GLOBE NEWSWIRE) -- Foremost Clean Energy Ltd. (NASDAQ: FMST) (CSE: FAT) (“Foremost” or the “Company”) announces that further to the Amended & Restated Investor Rights Agreement dated July 23, 2025 (the “Denison IRA”) between the Company and Denison Mines Corp. (“Denison”, TSX: DML, NYSE American: DNN), Denison notified the Company of its intention to subscribe for common shares pursuant to its equity participation right relating to certain share issuances completed by the Company (see press release March 31, 2026). The share issuances were related to the closing of a bought deal private placement of flow through units.

DNN advances Phoenix uranium project with approvals, early construction and financing moves, aiming for the first Canadian ISR mine and near-term production.

Denison Mine (DNN) came out with a quarterly loss of $0.01 per share versus the Zacks Consensus Estimate of a loss of $0.02. This compares to a loss of $0.03 per share a year ago.

TORONTO, May 12, 2026 /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 quarter ended March 31, 2026. 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/edgar).

Denison Mines' premium valuation is backed by Phoenix ISR progress, rising uranium output and a strong balance sheet supporting long-term growth.

Here is how Denison Mine (DNN) and Glencore PLC (GLNCY) have performed compared to their sector so far this year.