Board of Directors

Vancouver, BC, May 26, 2017 – IsoEnergy Ltd. (“IsoEnergy” or the “Company”) (TSXV: ISO) is pleased to announce that it has completed a non-brokered, private placement of 999,999 flow-through common shares at a price of $1.10 per share, raising aggregate gross proceeds of $1,099,998.90.

IsoEnergy will use the proceeds of the private placement to continue its exploration activities on its projects in the Athabasca Basin, Saskatchewan.  The securities issued pursuant to the offering are subject to a hold period of four months and one day from the closing date of the offering.

In connection with the offering, the Company paid a cash finder’s fee to EMD Financial Inc., equal to 6% of the gross proceeds raised from placees.

The Company has also granted 50,000 stock options on May 25, 2017 to a contract geologist having an exercise price of $1.00, a term of five (5) years, and vesting as to one third on the grant date and each of the second and third anniversary thereof.

Finally, the Company has entered into an agreement extending the date for the exercise by the Company of its exclusive option to acquire a 70% interest in the Radio property option to June 20, 2017.

About IsoEnergy

IsoEnergy is a well-funded uranium exploration and development company with a portfolio of prospective projects in the eastern Athabasca Basin in Saskatchewan, Canada and a historic inferred mineral resource at the Mountain Lake uranium deposit in Nunavut. IsoEnergy is led by a Board and Management team with a track 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.

Craig Parry
Chief Executive
Officer IsoEnergy Ltd.
+1 778 379 3211
cparry@isoenergy.ca
www.isoenergy.ca

Neither the TSX Venture Exchange nor its Regulations Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release contains "forward-looking information" within the meaning of applicable Canadian securities legislation. “Forward-looking information” includes, but is not limited to, statements with respect to the activities, events or developments that the Company expects or anticipates will or may occur in the future. Generally, but not always, forward-looking information and statements can be identified by the use of words such as “plans”, “expects”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates”, or “believes” or the negative connotation thereof or variations of such words and phrases or state that certain actions, events or results “may”, “could”, “would”, “might” or “will be taken”, “occur” or “be achieved” or the negative connotation thereof.

Forward-looking information and statements are based on the then current expectations, beliefs, assumptions, estimates and forecasts about IsoEnergy’s business and the industry and markets in which it operates. Forward-looking information and statements are made based upon certain assumptions and other important factors that could cause the actual results, performances or achievements of IsoEnergy to be materially different from future results, performances or achievements expressed or implied by such information or statements. Such information and statements are based on numerous assumptions including, among others, the results of planned exploration activities are as anticipated, the price of uranium, the anticipated cost of planned exploration activities, that general business and economic conditions will not change in a material adverse manner, that financing will be available if and when needed on reasonable terms and that third party contractors, equipment, supplies and governmental and other approvals required to conduct IsoEnergy’s planned exploration activities will be available on reasonable terms and in a timely manner.

Forward-looking information and statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of IsoEnergy to be materially different from any future results, performance or achievements expressed or implied by such forward- looking statements. Such factors include, among others, risks related to the negative operating cash flow and dependence on third party financing; the uncertainty of additional financing; potential forfeiture of the Radio Option Agreement; the limited operating history of IsoEnergy; the lack of known mineral resources or reserves; the influence of a large shareholder; alternate sources of energy and uranium prices; aboriginal title and consultation issues; risks related to exploration activities generally; reliance upon key management and other personnel; title to properties; uninsurable risks; conflicts of interest; permits and licenses; environmental and other regulatory requirements; political regulatory risks; competition; and the volatility of share price, all as more particularly described under “Risk Factors” in the Company’s Listing Application available at www.sedar.com.

Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in the forward-looking information or implied by forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that forward-looking information and statements will prove to be accurate, as actual results and future events could differ materially from those anticipated, estimated or intended. Accordingly, readers should not place undue reliance on forward-looking statements or information. The Company undertakes no obligation to update or reissue forward-looking information as a result of new information or events except as required by applicable securities laws.