OSISKO CRITICAL MINERALS CORPORATION ANNOUNCES C$100 MILLION PRIVATE PLACEMENT OF SPECIAL WARRANTS

Gross Proceeds of $100,000,000 to Fund Exploration and Development of New Brunswick Properties Special Warrants Priced at $0.25 per Special Warrant Canaccord Genuity to Act as Lead Agent and Sole Bookrunner (Toronto, September 16, 2026) – Osisko Critical Minerals Corporation (“OCMC” or the “Corporation“), a newly incorporated entity and a wholly-owned subsidiary of Osisko Metals Incorporated…