Mr. Philip Williams reports

ISOENERGY ANNOUNCES RESULTS FOLLOWING ANNUAL GENERAL MEETING OF SHAREHOLDERS

Shareholders of IsoEnergy Ltd. have approved all matters brought before the annual general meeting of shareholders held virtually today, as outlined in the management information circular of the company dated May 5, 2026, prepared in connection with the meeting.

A total of 38,225,097 common shares of the company, representing 63.05 per cent of the issued and outstanding shares of the company as at the record date, were represented in person or by proxy at the meeting.

The complete voting results from the meeting are as follows.

1. Election of directors

Each of the six nominees listed in the circular was elected to hold office until the next annual meeting of shareholders or until a successor is duly elected or appointed. Proxies were tabulated as follows.

2. Appointment of auditor

KPMG LLP was reappointed as auditor of the company until the close of the next annual meeting of shareholders at a remuneration to be fixed by the board of directors of the company. Proxies were tabulated as follows.

Votes for      % votes for     Votes withheld     % votes withheld
  
38,212,255           99.97             12,842                 0.03

Toro Energy Ltd. transaction update

Further to IsoEnergy's Oct. 21, 2025, announcement of its proposed acquisition of all of the issued and outstanding ordinary shares of Toro by way of a scheme of arrangement under Australia's Corporations Act 2001 (Cth), Toro shareholders approved the scheme on June 9, 2026. The scheme resolution was approved by the requisite majorities of Toro shareholders, with 92.89 per cent of votes cast in favour of the transaction. The scheme remains subject to approval by the Federal Court of Australia at the second court hearing scheduled for June 15, 2026, and the satisfaction or waiver of the remaining conditions precedent to completion of the transaction. Subject to receiving court approval and the satisfaction of the remaining conditions, the scheme is expected to become effective on June 16, 2026, with implementation expected to occur on June 25, 2026.

About IsoEnergy Ltd.

IsoEnergy is a leading, globally diversified uranium company with substantial current and historical mineral resources in top uranium mining jurisdictions of Canada, the United States and Australia at varying stages of development, providing near-, medium- and long-term leverage to rising uranium prices. IsoEnergy is currently advancing its Larocque East project in Canada's Athabasca basin, which is home to the Hurricane deposit, boasting the world's highest-grade indicated uranium mineral resource.

IsoEnergy also holds a portfolio of permitted past-producing, conventional uranium and vanadium mines in Utah with a toll milling arrangement in place with Energy Fuels. These mines are currently on standby, ready for rapid restart, as market conditions permit, positioning IsoEnergy as a near-term uranium producer.

We seek Safe Harbor.