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IsoEnergy Announces Strategic Sale of its Argentina Portfolio

Corporate Updates

IsoEnergy Announces Strategic Sale of its Argentina Portfolio

Saskatoon, SK, July 22, 2024 – IsoEnergy Ltd. (“IsoEnergy”, “ISO” or the “Company”) (TSX: ISO; OTCQX:

ISENF) is pleased to announce that it has completed the sale (the “Transaction”) to Jaguar Uranium Corp.

(“Jaguar”) of 100% of the issued and outstanding shares (the “ Target Shares ”) of a wholly-owned

subsidiary of IsoEnergy, which holds, indirectly, a 100% interest in the Laguna Salada Project located in

Chubut and the Huemul Project located in Mendoza (together the “Properties”). Jaguar is an arm’s length

privately held company focused on the uranium sector with strong operating experience in Latin America

and intends to pursue a listing on a recognized stock exchange in North America (the “ Listing”) in the

coming months.

Transaction Highlights

• Demonstrates Execution of Business Plan – The Transaction aligns with the Company’s strategy

to maximize shareholder value through accretive opportunities, demonstrating its ability to

leverage non-core assets in favourable market conditions.

• Enhances Focus on Core Jurisdictions – The Company maintains a focused production strategy,

prioritizing near-term production in the US and ongoing development and exploration in Canada

and Australia, all three of which are top uranium jurisdictions . The Transaction allows for the

efficient allocation of resources and capital, maximizing the value of core assets.

• Bolsters Equity Portfolio While Retaining Upside Potential – With a history of successful accretive

M&A, the Transaction will enhance the Company’s equity portfolio, which is estimated at C$16.9

million1 and includes holdings in NexGen Energy Ltd., Premier American Uranium Inc. and Atha

Energy Corp., by adding approximately C$13.6 million in value. Additionally, IsoEnergy will enter

into an investor rights agreement, securing continued exposure as the Properties are advanced

through the right to participate in future equity financings and the right to elect one

representative to the board of Jaguar.

• Unlocks Value Through Expertise in Latin America – The Properties will be in the hands of Jaguar,

a well- capitalized company with proven technical and operational expertise in Latin America,

ensuring successful exploration and development.

Philip Williams, CEO and Director of IsoEnergy, commented, “Since the merger with Consolidated Uranium

late last year, IsoEnergy has been largely focused on advancing the Laroque East project in the Athabasca

Basin, host to the high-grade Hurricane Deposit, and restarting its past producing uranium mines in Utah,

the Tony M, Daneros and Rim Mines. At the same time, we have been pursuing opportunistic transactions

to realize value from “non -core” assets in the portfolio. Today’s announcement is one such transaction.

We firmly believe that every uranium pound in every jurisdiction will be required to meet expected future

uranium demand and Jaguar, with its Berlin project in Colombia and now the I soEnergy Argentinian

Properties, has an important roll to play in South America. By taking equity as consideration I soEnergy

1 Estimated as of July 19, 2024 market close

remains exposed to the upside in Jaguar shares and we look forward to support ing the company and its

accomplished leadership team going forward.”

Transaction Details

As consideration for the acquisition of the Target Shares , Jaguar has agreed to deliver to the Company

(collectively, the “Consideration”):

(a) upon closing of the Transaction (“Closing”):

i. USD$10 million of Class A common shares of Jaguar (the “Jaguar Shares”), being

2,000,000 Jaguar Shares at a deemed price of USD$5.00 per share.

ii. A 2% net smelter returns (NSR) royalty payable on all production from the Laguna

Salada Project. Jaguar will have the right to buy back 1% of the royalty for a period

of seven years at a price of USD$2.5 million.

iii. A 1% NSR royalty payable on all production from a portion of the Huemul Project.

iv. An option to acquire a 1% NSR royalty payable on all production from the

remainder of the Huemul project.

(b) if the Listing is not completed within 12 months following Closing, 400,000 additional Jaguar

Shares at a deemed price of USD$5.00 per share; and

(c) assuming the Listing occurs, if the Listing price of the Jaguar Shares (the “Listing Price”) is less

than USD$5.00 per share, such number of additional Jaguar Shares to reflect (1) if the Listing is

completed on or before 12 months following Closing, USD$10 million valuation of the Properties

at the Listing Price (subject to a minimum price per Jaguar Share of USD$4.00); and (2) if the Listing

is completed later than 12 months following Closing, USD$12 million valuation of the Properties

at the Listing Price (subject to a minimum price per Jaguar Share of USD$4.00); provided that, in

the event that Jaguar does not complete a concurrent financing for gross proceeds of at least

USD$5 million in connection with the Listing, all of the Jaguar Shares issuable pursuant to this

subparagraph will be issued at a deemed price of USD$4.00 per Jaguar Share.

The Jaguar Shares comprising the Consideration will be subject to a contractual resale restriction of six

months following the date of the Listing.

In connection with Closing, ISO and Jaguar have also entered into an investor rights agreement (the

“Investor Rights Agreement”), which provides ISO with, among other things:

(a) the right to participate in any future equity financing of Jaguar to maintain its pro rata interest

in Jaguar (the “Participation Right”); and

(b) the right to nominate one member (the “Nominee”) to the Jaguar Board, such Nominee to be

supported by Jaguar in the same manner as all other members of the Jaguar Board (the

“Nomination Right”).

The Participation Right and Nomination Right will continue until such time as IsoEnergy and its affiliates

cease to own at least 5% of the outstanding Jaguar Shares on partially-diluted basis.

About IsoEnergy Ltd.

IsoEnergy Ltd. (TSX: ISO) (OTCQX: ISENF) is a leading, globally diversified uranium company with

substantial current and historical mineral resources in top uranium mining jurisdictions of Canada, the

U.S., Australia, and Argentina 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 Inc. These mines are currently on stand-

by, ready for rapid restart as market conditions permit, positioning IsoEnergy as a near- term uranium

producer.

About Jaguar Uranium Corp.

Jaguar Uranium Corp. is a rapidly growing Latin American consolidator of world- class assets, focused

primarily on developing uranium as well as rare earths and other high value by-products. The Company's

flagship assets include the Berlin deposit in Colombia as well as Laguna Salada, Huemul and Sierra Pintada

in Argentina. The Company is led by a team with substantial uranium mining, permitting and capital

markets experience with a focus on advancing the portfolio towards resource development, permitting

and expansion across the continent. Jaguar's investors include leading global uranium developers who are

aligned with the Company's goal of building shareholder value. More information can be found at the

Company's website at www.jaguaruranium.com or [email protected].

For More Information, Please Contact:

IsoEnergy Ltd.

Philip Williams

CEO and Director

[email protected]

1-833-572-2333

X: @IsoEnergyLtd

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.

Forward-Looking Information

The information contained herein contains “forward-looking statements” within the meaning of the United

States Private Securities Litigation Reform Act of 1995 and “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, including, without limitation, completion of the L isting; the

future direction of the Company’s strategy; and other 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.

Such forward-looking information and statements are based on numerous assumptions, including among

others, that the Listing will be completed, that that general business and economic conditions will not

change in a material adverse manner, that financing will be available if and when needed and on

reasonable terms, that third party contractors, equipment and supplies and governmental and other

approvals required to conduct the Company’s planned exploration activities will be available on reasonable

terms and in a timely manner. Although the assumptions made by the Company in providing forward-

looking information or making forward-looking statements are considered reasonable by management at

the time, there can be no assurance that such assumptions will prove to be accurate.

Forward-looking information and statements also involve known and unknown risks and uncertainties and

other factors, which may cause actual events or results in future periods to differ materially from any

projections of future events or results expressed or implied by such forward- looking information or

statements, including, among others: the failure of Jaguar to complete the Listing, negative operating cash

flow and dependence on third party financing, uncertainty of additional financing, no known minera l

reserves, the influence of a large shareholder, alternative sources of energy and uranium prices, aboriginal

title and consultation issues, reliance on key management and other personnel, actual results of

exploration activities being different than anticipated, changes in exploration programs based upon

results, availability of third party contractors, availability of equipment and supplies, failure of equipment

to operate as anticipated; accidents, effects of weather and other natural phenomena and other risks

associated with the mineral exploration industry, environmental risks, changes in laws and regulations,

community relations and delays in obtaining governmental or other approvals and the risk factors with

respect to the Company set out in ISO’s annual information form for the year ended December 31, 2023

and the other documents of ISO filed with the Canadian securities regulators and available under

IsoEnergy’s profile on SEDAR+ at www.sedarplus.ca.

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.