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North Shore Uranium Provides Exploration Update

Exploration Programs

SEPTEMBER 17, 2024 TSX-V:NSU

NORTH SHORE URANIUM PROVIDES EXPLORATION UPDATE

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

update on its exploration activities. The Company holds the Falcon and West Bear propert ies (“Falcon”

and “West Bear”) at the eastern margin of the Athabasca Basin in northern Saskatchewan. The two

properties are approximately 90 kilometres apart along a southwest-northeast trend (Figure 1).

North Shore is targeting near-surface basement-hosted uranium mineralization at Falcon and basement-and

sandstone-hosted mineralization at West Bear that can be associated with basement structures and

electromagnetic (“EM”) conductor systems. Working with extensive geologic and geophysical datasets,

the Company is now prioritizing uranium exploration targets on the two properties in preparation for future

field work including potential drill programs. This news release summarizes targeting efforts being

undertaken in Zone 1 at Falcon where North Shore discovered near-surface uranium mineralization in two

drill holes in early 2024 and has identified 12 exploration targets (Figure 2).

Mine and mill locations, claim data and geologic information from the Saskatchewan database, claim information current on September 3, 2024

Figure 1: Athabasca Basin location map showing North Shore properties.

Mr. Brooke Clements, President and CEO of North Shore stated: “ We believe that the eastern margin of

the prolilfic Athabasca Basin is a great setting for a major new uranium discovery . Building upon our

maiden 2024 Falcon drill program, our target generation work is allowing us to build a quality pipeline of

potential drill targets.”

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FALCON PROPERTY TARGETS

Falcon is located approximately 30 kilometres east of the active Key Lake uranium mill and former mine.

Between 1983 and 2002, two deposits at Key Lake produced a total of 209.9 million lbs. of U 3O8 at an

average grade of over 2.0% 1. There is no guarantee that a uranium deposit similar to Key Lake will be

discovered on the Falcon Property. The uranium discovery potential at Falcon is significant and includes

shallow basement -hosted unconformity- style and pegmatite -hosted mineralization . In early 2024 the

Company discovered near-surface uranium mineralization in two drill holes.

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

targets from North Shore interpretation

Figure 2: Map showing Falcon exploration targets and priority zones.

North Shore has divided Falcon into three uranium exploration zones, 1, 2 and 3 (Figure 2). To date, North

Shore has identified 36 uranium targets at Falcon with 12 of those being in Zone 1. The targets have been

selected based on analysis of multiple datasets including interpretation by Condor North Consulting LLC

(“Condor”), Earthfield Technologies Inc., Skyharbour Resources Ltd., TerraLogic Exploration Inc. and

North Shore. Following are some of the criteria being used to define and prioritize targets:

• EM. Strength, character and orientation of the EM conductor system. EM data from three airborne

surveys was analyzed by Condor and single peak and double peak responses were selected from

profile lines. EMIT Maxwell software was used to create subsurface models of interpreted

conductors from portions of Zones 1 and 2 to optimize placement of drill collars in early 2024.

North Shore expects to prepare more Maxwell plate models to assist with prioritizing targets.

• Structural Interpretation . Potential faults are selected using airborne magnetic data and

interpretation of the geology. Basement-hosted uranium deposits are often fault-controlled.

• Gravity and Radiometrics . Airborne gravity -magnetic-radiometric surveys were flown over

Falcon in 2022. Higher uranium spectral responses can be indicative of uranium-enriched surface

geological features. Gravity lows can be associated with alteration proximal to uranium deposits.

ZONE 3

ZONE 1

ZONE 2

Area of

Figure 3

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• Evaluation of Historical Exploration Datasets. Signficant uranium exploration programs were

conducted from the late 1960s to the early 1980s and in the 2000s. Data from these programs is

publicly available and complements more recent data acquired by the Company.

Initial Focus Area in Zone 1

Within Zone 1, the exploration priority area includes the northeast-southwest trending conductor/structural

zone where uranium was discovered by drilling at P03 and P08 (Figure 3). As reported on May 16, 2024,

at P03, a zone from 196.6 to 209.0m included an interpreted brittle fault zone with graphite-rich fault gouge

and two samples that returned 345 and 378 ppm U3O8. At P08, a 4.7m interval between 42.3-47.0m returned

316 ppm U 3O8 including one sample with 572 ppm U 3O8. Also at P08, a brittle , altered pegmatitic and

graphitic fault zone was intersected between 102.3-105.5m, the modelled depth of the EM conductor.

Figure 3. Falcon priority area where uranium mineralization was discovered by North Shore in 2024 at

drill targets P03 and P08. EM and structural interpretation by Condor; single- and double-peak responses

picked from survey profile lines.

Based on work completed to date the Company has prioritized three target areas in Zone 1 for potential

future drilling (Figure 3):

• 3.0km trend from target FA006 to FA003. This trend includes the new uranium discoveries at

P03 and P08 and target F004 where two interpreted faults intersect, and the EM conductor is offset.

Using the structural knowledge gained by the drilling and further interpretation of the Maxwell

conductor plates, several sites will be selected for potential drilling.

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• Target FA003. Within the area described above, two prominent parallel northeast -trending EM

conductors each change orientation at FA003. A potential ly significant structure as defined by a

magnetic low also sp lits into two separate potential subparallel structures. In addition, there is a

prominent gravity low anomaly that is entirely land-based and a strong uranium spectral response

in the airborne radiometric dataset.

• Target FA002. This target is defined by two strong parallel EM conductors and a parallel magnetic

low. The conductor system is intersected by an interpreted cross -cutting fault. In addition, just

southwest of the target there is an isolated airborne radiometric uranium high.

NEXT STEPS

North Shore will continue prioritizing targets at Falcon in an effort to maximize the chances of success in

its next drill program. As currently planned, t hat drill program would have two components, follow -up

drilling along the 3.0 km trend where North Shore discovered near-surface uranium mineralization in early

2024 and the testing of new targets within Zone 1 and potentially elsewhere . Additional updates on the

Company’s target prioritization efforts will be provided on an ongoing basis.

BACKGROUND INFORMATION

Falcon consists of 15 mineral claims; four of the claims comprising 12,791 hectares are 100 percent-owned

by the Company and the remaining 11 claims totaling 42,908 hectares are subject to an option agreement

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

earn up to a 100% interest in the 11 claims by completing certain payments, exploration work and other

commitments by October 2026.

West Bear consists of five claims totaling 4,511 hectares. Under the terms of an option agreement with Gem

Oil Inc., North Shore has the option to earn up to a 100% interest in the five claims by completing certain

payments, exploration work and other commitments by April 2024.

ABOUT NORTH SHORE URANIUM

The near-term business objectives of North Shore Uranium are to become a major force in exploration for

economic uranium deposits at the eastern margin of Saskatchewan’s Athabasca Basin, a tier-one jurisdiction

for discovering new mineable high -grade uranium deposits. The Company is working to achieve those

objectives by conducting exploration programs at Falcon West Bear and by evaluating opportunities to

increase its portfolio of uranium properties.

Footnote 1: Source: Government of Saskatchewan – Mineral Deposit Query

(https://mineraldeposits.saskatchewan.ca/Home/Viewdetails/1130).

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

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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 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 funding on te rms

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.