Foremost Clean Energy to Issue Shares to Denison Mines Corp. Under Investor Rights Agreement, Strengthening its Treasury

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.