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NSU.V ·

North Shore Uranium Engages Investing News Network

Marketing Announcement

JULY 8, 2025 TSX-V:NSU

NORTH SHORE URANIUM ENGAGES INVESTING NEWS NETWORK

North Shore Uranium Ltd. (TSX-V: NSU) (“North Shore” or the “Company”) is pleased to announce that

it has entered into an advertising and investor awareness campaign agreement (the "INN Agreement") with

Dig Media Inc. dba Investing News Network ("INN").

INN is a private company headquartered in Vancouver, Canada, dedicated to providing independent news

and education to investors since 2007 at www.investingnews.com. On July 4, 2025, the Company entered

into the INN Agreement. The INN Agreement will be for a three-month term, with three equal payments

of $2,750 that will be paid at the beginning of each month, totaling $8,250 (GST excluded). The INN

Agreement will not automatically renew . INN will provide advertising to increase awareness of the

Company with the first campaign commenced on July 4, 2025. INN does not provide Investor Relations or

Market Making services. INN currently holds no common shares in the Company. INN and the Company

are unrelated and unaffiliated entities.

The INN Agreement is subject to approval by the TSX Venture Exchange.

ABOUT NORTH SHORE

The nuclear power industry is in growth mode as more nuclear power will be required to meet the world’s

ambitious CO2 emission-reduction goals and the needs of new power-intensive technologies like AI. In this

environment, new discoveries of economic uranium deposits will be very valuable, especially in established

uranium-producing jurisdictions like Saskatchewan and Ne w Mexico (see news release dated June 24,

2025). North Shore is well -positioned to become a major force in exploration for economic uranium

deposits. The Company is working to achieve this goal by exploring its Falcon and West Bear properties at

the eastern margin of the Athabasca Basin in Saskatchewan, expanding its exploration efforts to include the

Grants Uranium District in New Mexico and by evaluating other quality opportunities in the United States

and Canada to complement its portfolio of uranium properties. North Shore summarized exploration efforts

at its Falcon property in a May 27, 2025, news release.

ON BEHALF OF THE BOARD

Brooke Clements,

President, Chief Executive Officer and Director

For further information:

Please contact: Brooke Clements, President, Chief Executive Officer and Director

Telephone: 604.536.2711

Email: [email protected]

www.northshoreuranium.com

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Neither the TSX Venture Exchange nor its Regulation 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 Statements

This news release contains forward- looking statements that are based on the Company’s current

expectations and estimates. Forward- looking statements are frequently characterized by words such as

“plan”, “project”, “appear”, “interpret”, “coincident”, “potential”, “confirm”, “suggest”, “evaluate”,

“encourage”, “likely”, “anomaly”, “continuous” and variations of these words as well as other similar

words or statements that certain events or conditions “could”, “may”, “should”, “would” or “will” occur.

Such forward-looking statements involve known and unknown risks, uncertainties and other factors that

could cause actual events or results to differ materially from estimated or anticipated events or results

implied or expressed in such forward -looking statements . Such factors include, among others: the

completion of the Offering; the completion and expected terms of the Transaction, the parties’ abilities to

meet the closing conditions of the Transaction, the number of securities to be issued by the Company in

connection with the Transaction, receipt of all necessary approvals for the completion of the Transaction,

the completion of satisfactory due diligence, execution of a definitive agreement, and the Company’s ability

to meet the terms of the Transaction; the highly speculative nature of the Transaction given the early-stage

nature of Rio Puerco; the actual results of current and planned exploration activities including the potential

for the definition of a mineral deposit of potential economic value at the Company’s Falcon property in

Saskatchewan; that drilling results, geophysical survey results and/or interpretations thereof are defining

potentially mineralized corridors; results from future exploration programs including drilling;

interpretation and meaning of completed and future geophysical s urveys; conclusions of future economic

evaluations; changes in project parameters as plans to continue to be refined; possible variations in grades

of mineralization and/or future actual recovery rates; accidents, labour disputes and other risks of the

mining industry; the availability of sufficient funding on terms acceptable to the Company to complete the

planned work programs; delays in obtaining governmental approvals or financing; and fluctuations in metal

prices. There may be other factors that cause actions, events or results not to be as anticipated, estimated,

or intended. Any forward-looking statement speaks only as of the date on which it is made and, except as

may be required by applicable securities laws, the Company disclaims any intent or obli gation to update

any forward-looking statement, whether as a result of new information, future events, or results or otherwise.

Forward-looking statements are not guarantees of future performance and accordingly undue reliance

should not be put on such statements due to the inherent uncertainty therein. Any forward-looking statements

contained in this news release are expressly qualified in their entirety by this cautionary statement.