Mr. Tim Gabruch reports

ISOENERGY GRANTS OPTIONS

IsoEnergy Ltd. has granted, subject to regulatory approval, 1,317,500 incentive stock options to certain directors, officers, employees and consultants of the company. The options were granted on July 17, 2023, have a term of five years, vest in three annual installments commencing on the grant date, and are exercisable at a price of $2.61 per common share of the company.

About IsoEnergy Ltd.

IsoEnergy is a well-financed uranium exploration and development company with a portfolio of prospective projects in the infrastructure-rich eastern Athabasca basin in Saskatchewan, Canada. In 2018, the company discovered the high-grade Hurricane deposit on its 100-per-cent-owned Larocque East property in the eastern Athabasca basin. The Hurricane deposit has indicated mineral resources of 48.61 million pounds triuranium octoxide based on 63,800 tonnes grading 34.5 per cent U3O8 and inferred mineral resources of 2.66 million pounds U3O8 based on 54,300 tonnes grading 2.2 per cent U3O8 (July 8, 2022). The Hurricane deposit is 100 per cent owned by IsoEnergy and is unencumbered from any royalties. IsoEnergy is led by a board and management team with a record of success in uranium exploration, development and operations. The company was founded and is supported by the team at its major shareholder, NexGen Energy Ltd.

Qualified person statement

All scientific and technical information in this press release has been reviewed and approved by Dr. Darryl Clark, PGeo, IsoEnergy's vice-president, exploration. Dr. Clark is a qualified person for the purposes of National Instrument 43-101 -- Standards of Disclosure for Mineral Projects.