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CanAlaska Announces Start of Drill Program at the Constellation Uranium Project Modern Airborne VTEM Survey and Ground Prospecting Programs Highlighted New Target Areas Drill Program is Fully Partner-Funded Under an Option Earn-In Agreement

Mergers & Acquisitions Property Options & Staking Exploration Programs

CanAlaska Announces Start of Drill Program

at the Constellation Uranium Project

Modern Airborne VTEM Survey and Ground Prospecting Programs Highlighted New Target

Areas

Drill Program is Fully Partner-Funded Under an Option Earn-In Agreement

Saskatoon, Saskatchewan--(Newsfile Corp. - July 21, 2025) -

CanAlaska Uranium Ltd. (TSXV:

CVV)

(

OTCQX: CVVUF) (FSE: DH7)

("

CanAlaska

" or the "

Company

") is pleased to announce

commencement of the 2025 drill program on the Constellation uranium project (the "Project"). The 2025

Constellation drill program will focus on newly developed high-resolution airborne geophysical targets in

combination with ground prospecting results. The drill program represents the first ever drill program on

the Project. The Constellation Project is located in the southeastern Athabasca Basin 60 kilometres

south of the Key Lake Mine and Mill Complex and covers 11,142 hectares (Figure 1). The drill program

is currently being sole-funded by Bayridge Resources Corp. (CSE: BYRG) under an option earn-in

agreement with the Company.

Figure 1 – Project Location Map

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/2864/259352_5a859bd8446058b2_002full.jpg

2025 Constellation Exploration Program

The planned 1,100 - 1,400 metre drill program will consist of 3 to 4 drill holes testing multiple targets.

Target areas have been generated based on the results from a recently completed helicopter-supported

Versatile Time-Domain Electromagnetic (VTEM) survey and ground prospecting program on the

Project. The VTEM survey identified and prioritized basement conductors, producing a series of high-

priority drill targets. The ground prospecting program was highlighted by elevated uranium anomalies in

two target areas (Figure 2).

Figure 2 – Ground Prospecting and VTEM Survey Results

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/2864/259352_5a859bd8446058b2_004full.jpg

The Constellation property has favourable geology for basement-hosted uranium deposits. Strong

electromagnetic conductors are proven targets associated with unconformity and basement-hosted

uranium mineralization in and around the Athabasca Basin. The recently confirmed VTEM conductors on

the Constellation Project have never been drill tested. The Company believes the competency contrast of

the electromagnetic conductors against the large rigid Archean granite inlier on the Project creates the

potential for post-Athabasca structural reactivation. This structural reactivation can create important

conduits for the movement of uranium-bearing hydrothermal fluids that interact with graphitic structural

zones which may lead to favourable traps and the potential for uranium deposition.

CanAlaska CEO, Cory Belyk, comments,

"The Constellation project is a product of CanAlaska's

ongoing project generator efforts. This project was staked in an area with geological attributes

considered important for significant uranium deposition similar to Cameco's Eagle Point Mine and

NexGen's Arrow deposits. I look forward to results from the first drillholes ever completed on this

project that is very strategically located just 60 kilometres south of the Key Lake Mill."

The Constellation project is currently being sole-funded by Bayridge Resources Corp (CSE: BYRG)

under an option earn-in agreement with the Company that could see up to $5 million worth of exploration

expenditures completed on the Project (See News Release Dated March 26th, 2024).

Ground Prospecting and Mapping Results

Target Area A

-

Prospecting and mapping results within Target Area A highlight a priority trend that

contains multiple samples with elevated uranium concentrations correlating with mapped structural

trends. The maximum uranium value within this trend was 52.5 ppm and is hosted in pegmatites

conformable to the regional structural fabric.

Target Area B

-

Prospecting and mapping results within Target Area B are highlighted by the highest

uranium concentration from the prospecting program on the Project with a value of 488 ppm. The host

rock within this target area consists primarily of psammitic to pelitic gneisses exhibiting pervasive

hematite alteration that is locally associated with thin quartz bands. The gneisses, conformable to the

regional structural trend, were intruded by a radiometrically elevated granite intrusion. The prospecting

results within this target area directly overlie an interpreted VTEM conductor.

Geochemical Sampling Procedures

All rock chip samples were delivered to the Saskatchewan Research Council Geoanalytical

Laboratories (SRC) in Saskatoon, Saskatchewan in secure containment for preparation, processing,

and multi-element analysis by ICP-MS and ICP-OES using total (HF:NHO

3

:HClO

4

) and partial digestion

(HNO

3

:HCl), and boron by fusion. Geochemical grab samples were collected from outcrops or sub-crop

and assigned to geostations. The SRC is an ISO/IEC 17025/2005 and Standards Council of Canada

certified analytical laboratory. Blanks, standard reference materials, and repeats were inserted into the

sample stream at regular intervals by TerraLogic and the SRC in accordance with Bayridge's quality

assurance / quality control (QA/QC) procedures. Geochemical assay data are subject to verification

procedures by qualified persons employed by CanAlaska prior to disclosure.

CanAlaska cautions investors that grab samples are select samples by their nature and may not

necessarily be indicative of similar mineralization on the property.

About CanAlaska Uranium

CanAlaska is a leading explorer of uranium in the Athabasca Basin of Saskatchewan, Canada. With a

project generator model, the Company has built a large portfolio of uranium projects in the Athabasca

Basin. CanAlaska owns numerous uranium properties, totaling approximately 500,000 hectares, with

clearly defined targets in the Athabasca Basin covering both basement and unconformity uranium

deposit potential. The Company has recently concentrated on the West McArthur high-grade uranium

expansion with targets in 2024 leading to significant success at Pike Zone. Fully financed for the

upcoming 2025 drill season, CanAlaska is focused on Tier 1 Uranium deposit discovery and delineation

in a safe and secure jurisdiction. The Company has the right team in place with a track record of

discovery and projects that are located next to critical mine and mill infrastructure.

The Company's head office is in Saskatoon, Saskatchewan, Canada with a satellite office in Vancouver,

BC, Canada.

The Qualified Person under National Instrument 43-101 Standards of Disclosure for Mineral Projects for

this news release is Nathan Bridge, MSc., P. Geo., Vice-President Exploration for CanAlaska Uranium

Ltd., who has reviewed and approved its contents.

On behalf of the Board of Directors

"Cory Belyk"

Cory Belyk, P.Geo., FGC

CEO, President and DirectorCanAlaska Uranium Ltd.

Contacts:

Cory Belyk, CEO and President

General Enquiry

Tel: +1.306.668.6900

Tel: +1.306.668.6915

Email:

[email protected]

Email:

[email protected]

Neither 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 information

All statements included in this press release that address activities, events or developments that the

Company expects, believes or anticipates will or may occur in the future are forward-looking

statements.

Forward-looking statements are frequently identified by such words as "may", "will",

"plan", "expect", "anticipate", "estimate", "intend" and similar words referring to future events and

results. Forward-looking statements are based on the current opinions and expectations of

management.

These forward-looking statements involve numerous assumptions made by the

Company based on its experience, perception of historical trends, current conditions, expected future

developments and other factors it believes are appropriate in the circumstances. In addition, these

statements involve substantial known and unknown risks and uncertainties that contribute to the

possibility that the predictions, forecasts, projections and other forward-looking statements will prove

inaccurate, certain of which are beyond the Company's control.

Actual events or results may differ

materially from those projected in the forward-looking statements and the Company cautions against

placing undue reliance thereon.

The Company assumes no obligation to revise or update these

forward-looking statements except as required by applicable law.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/259352