IsoEnergy Ltd.

Recent Developments

2026 Bought Deal Financing and Concurrent Private Placement

On January 27, 2026, the Company closed a bought deal financing, pursuant to which the Company sold 3,833,410 Common Shares at a price of $15.00 per Common Share for gross proceeds of $57,501,150, which included the full exercise of the over‑allotment option by the underwriters. Concurrently, the Company also closed a non-brokered private placement pursuant to which the Company issued 1,666,667 Common Shares at a price of $15.00 per Common Share to NexGen for gross proceeds of $25,000,005.

Base Shelf Prospectus

On January 13, 2026, the Company filed a final base shelf prospectus in Canada (the “2026 Base Shelf Prospectus”) and a registration statement in the United States, which provided for the offering of up to $250,000,000 in aggregate of Common Shares, warrants, units, debt securities, and/or subscription receipts of the Company in Canada and the U.S. for a period of 25 months following the date of the 2026 Base Shelf Prospectus. Offerings under the 2024 Base Shelf Prospectus (as defined herein) and sales under the ATM Program (as defined herein) can no longer be made.