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CanAlaska Intersects Polymetallic Mineralization at Waterbury South Uranium Project Unconformity zone with strong Nickel, Arsenic and Cobalt mineralization; Extensive clay alteration in basement rocks below unconformity intersection; Similarities to the nearby

Drill Results

CanAlaska Intersects Polymetallic

Mineralization at Waterbury South Uranium

Project

Unconformity zone with strong Nickel, Arsenic and Cobalt

mineralization; Extensive clay alteration in basement rocks

below unconformity intersection; Similarities to the nearby

Cigar Lake Polymetallic Uranium Deposit

Vancouver, British Columbia--(Newsfile Corp. - June 17, 2021) -

CanAlaska Uranium Ltd. (TSXV:

CVV)

(FSE:

DH7N

)

("

CanAlaska

" or the "Company") is pleased to announce it has intersected

polymetallic mineralization at the unconformity on its Waterbury South uranium project. The program was

designed to test targets near previously drilled holes, which show significant alteration and uranium

values, in proximity to untested geophysical targets. The program consisted of 1,347.5 metres of drilling

in three drill holes.

Photo: Waterbury South Project

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CanAlaska drill holes WAT-008 and WAT-009, tested the main target near failed Cameco drill hole

SOD-253 (Figure 1). Cameco's hole failed due to strongly faulted and altered sandstone above the

unconformity.

CanAlaska Geologist at Waterbury South ProjectIn the new 2021 drill holes completed by CanAlaska,

bleaching is present through much of the sandstone column, becoming more intense in the lower half of

the sandstone as the holes neared the unconformity. In WAT-008, a pyrite-rich zone associated with a

fault in the mid-sandstone column well above the unconformity contained anomalous nickel, arsenic,

cobalt and zinc values. A thick graphitic unit was intersected in the lower section of the hole that provided

a clear target at the unconformity for drill hole WAT-009 (Figure 1).

Table 1: Polymetallic Mineralization in WAT-009

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In WAT-009, bleaching is present over the last 100 metres of the sandstone column with an increase in

sooty pyrite alteration above the unconformity, which correlates with the sooty pyrite noted in the lower 50

metres of SOD-253. A seven (7) metre long structure of broken rock with intense clay alteration and

hematization occurs 20 metres below the unconformity and correlates with a fault structure in the

sandstone at 138 metres depth in drill hole SOD-253. Much of the basement in WAT-009 is clay altered

and chloritized indicating the presence of a large hydrothermal event (Figure 1).

Figure 1

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A 3.3 metre zone of intense clay alteration straddling the unconformity in WAT-009 contains significant

polymetallic mineralization consisting of 0.5 metres with 405 ppm uranium, 2.42% nickel, 2.34% arsenic,

0.5% zinc, and 801 ppm cobalt (Table 1). This mineralization association, or fingerprint, is directly

reminiscent of metal associations at the nearby Cigar Lake orebody where similar values of nickel,

arsenic and cobalt are known to exist with the high-grade uranium.

CanAlaska CEO, Cory Belyk, comments,

"The results we have received from this drilling program

have the fingerprints of a significant Cigar Lake style mineralizing system. It is a rare event to find this

level of alteration at the unconformity, extending deep within the basement, associated with the metal

enrichments we have encountered in WAT-009. Several of the largest known Athabasca unconformity

uranium deposits have this polymetallic signature with nickel, arsenic and cobalt. This is an incredible

discovery for our shareholders and our team with only the third CanAlaska drill hole on this project."

About CanAlaska Uranium

CanAlaska Uranium Ltd. (TSXV: CVV) (FSE: DH7N) holds interests in approximately 214,000 hectares

(530,000 acres), in Canada's Athabasca Basin and Wollaston area - the "Saudi Arabia of Uranium."

CanAlaska's strategic holdings have attracted major international mining companies. CanAlaska is

currently working with Cameco and Denison at two of the Company's properties in the Eastern

Athabasca Basin. CanAlaska is a project generator positioned for discovery success in the world's

richest uranium district. The Company also holds properties prospective for nickel, copper, gold and

diamonds. For further information visit

www.canalaska.com

.

The qualified technical person for this news release is Dr. Karl Schimann, P.Geo., CanAlaska director

and VP Exploration.

On behalf of the Board of Directors

"Peter Dasler"

Peter Dasler, M.Sc., P.Geo.

President

Contacts:

Cory Belyk, Executive VP and CEO

Tel: +1.604.688.3211 x 306

Email:

[email protected]

Peter Dasler, President

Tel: +1.604.688.3211 x 138

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.

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.

Readers should not place undue

reliance on forward-looking statements.

Except as required by law, the Company does not intend to

revise or update these forward-looking statements after the date hereof or revise them to reflect the

occurrence of future unanticipated events.

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

https://www.newsfilecorp.com/release/87849