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NSU.V ·

North Shore Uranium Ltd. Appoints Andrew Stewart as Director and Provides Exploration Update

Management Changes Exploration Programs

MAY 6, 2025 TSX-V:NSU

NORTH SHORE URANIUM LTD. APPOINTS ANDREW STEWART AS

DIRECTOR AND PROVIDES EXPLORATION UPDATE

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

the appointment of Andrew Stewart to the Company’s Board of Directors effective May 6, 2025 , and to

provide an update on activities at its Falcon property (“Falcon” or the “Property”) in the Athabasca Basin

region of Saskatchewan.

ANDREW STEWART APPOINTMENT AS DIRECTOR

Andrew Stewart is a corporate finance and securities lawyer and a Partner in the Capital Markets and

Securities Group at Cozen O’Connor, an AmLaw 100 international law firm. He has over 25 years of capital

markets experience that includes mergers and acquisitions, public and private equity and debt financings,

regulatory compliance, cross-border transactions and public offerings in Canada and the United States. Mr.

Stewart also has served as SEC counsel to several US investment banks. He has been a co -founder and

counsel for several private and public companies and is one of the founders of North Shore.

FALCON EXPLORATION UPDATE

In its September 17, 2024, October 10, 2024, November 13, 2024 and February 27, 2025 news releases, the

Company summarized work being done at the West Bear and Falcon properties with emphasis on Falcon.

Three priority areas have been established at Falcon, Zones 1, 2 and 3 (Figure 1).

To date, North Shore has identified 36 uranium targets at Falcon. The targets are associated with

electromagnetic (“EM”) conductor anomalies and have been selected based on the analysis and

interpretation of multiple geophysical and geologic datasets by North Shore and its consultants. As reported

on May 16, 2024, the Company discovered near-surface uranium mineralization at drill sites P03 and P08

in an area that had never seen drilling ( Figure 1). These new uranium occurrences could be part of a new

trend of uranium mineralization in an area that is underexplored. North Shore’s near-term focus is to assess

the potential for an economic uranium deposi t within this trend by evaluating priority EM targets in the

South Priority Area at the eastern end of Zone 1 and the South Walker Area at the southern end of Zone 2

(Figure 1 ). The Company will continue prioritizing and analyzing targets in preparation for future

prospecting and drill programs; updates on target prioritization and exploration efforts will be provided on

an ongoing basis.

Brooke Clements, President and CEO of North Shore stated: “The North Shore Team is happy to

welcome Andrew Stewart to its Board of Directors. His expertise and enthusiasm will be a great benefit to

the Company. New uranium deposits will be required to fuel the reactors that will be needed for the growing

nuclear power industry . We believe that Saskatchewan’s Athabasca Basin is the best jurisdiction in the

world for uranium exploration and development and that there is good potential to discover a new, high-

grade uranium deposit. North Shore’s pipeline of uranium targets at Falcon and West Bear give it exposure

to making a significant new discovery.”

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Geologic information from the Saskatchewan database, EM conductors from Saskatchewan database and North Shore

interpretation, targets from North Shore interpretation.

Figure 1: Map showing Falcon exploration targets and priority zones.

FALCON BACKGROUND INFORMATION

Falcon consists of 15 mineral claims totaling 55,503 hectares; four of the claims comprising 12,791 hectares

are 100 percent-owned by the Company and the remaining 11 claims are subject to an option agreement

with Skyharbour Resources Ltd. Under the terms of the option agreement, North Shore has the option to

earn an 80% interest in the 11 claims by completing certain payments, exploration work and other

commitments by October 2026. Falcon is located 30 km east of the active Key Lake uranium mill and

former mine. Between 1983 and 2002, the mine produced a total of 209.9 million pounds of U 3O8 at an

average grade of over 2.0%1.

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 areas like Saskatchewan. North Shore is working 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 and by evaluating opportunities to

complement its portfolio of uranium properties.

1 Source: Government of Saskatchewan – Mineral Deposit Query ( https://mineraldeposits.saskatchewan.ca/Home/Viewdetails/1130).

There is no guarantee that a uranium deposit similar to Key Lake will be discovered on the Falcon Property.

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QUALIFIED PERSON

Mr. Brooke Clements, MSc, P.Geol., a Q ualified Person as defined by National Instrument 43- 101 –

Standards of Disclosure for Mineral Projects and the President and CEO of North Shore, has reviewed and

approved the scientific and technical disclosure in this press 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

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 actual

results of current and planned exploration activities including the potential for the definition of a mineral

deposit of potential economic value within Falcon; 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 surveys;

conclusions of future economic evaluations; change s 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 fun ding 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 obligation 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.