On June 16, 2025, IsoEnergy Ltd. announced a bought deal financing with a syndicate of underwriters led by Stifel Nicolaus Canada Inc. and Canaccord Genuity Corp. The transaction closed on June 24, 2025, with the sale of 5,121,500 common shares at C$10.00 per share, generating gross proceeds of C$51,215,000. This amount includes the partial exercise of the 30-day over-allotment option for 121,500 shares.

Proceeds will be used to advance the development and exploration of IsoEnergy’s mineral properties and for general corporate purposes. The offering was conducted through a prospectus supplement filed in all Canadian provinces and territories except Quebec and offered on a private placement basis in the United States and other eligible jurisdictions.

Legal counsel to IsoEnergy was provided by Cassels Brock & Blackwell LLP in Canada and Paul, Weiss, Rifkind, Wharton & Garrison LLP in the United States. The underwriters were advised by Borden Ladner Gervais LLP (Canada) and Nauth LPC (U.S.).