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CanAlaska Reports Summer Program for West McArthur Uranium Project Cameco plans borehole surveys and 3D modeling of complex mineralized system

Exploration Programs

CanAlaska Reports Summer Program for West McArthur

Uranium Project

Cameco plans borehole surveys and 3D modeling of complex mineralized

system

Vancouver, British Columbia--(Newsfile Corp. - May 24, 2018) -

CanAlaska Uranium Ltd. (TSXV:

CVV) (

OTCQB:

CVVUF)

(FSE

:

DH7N

)

("CanAlaska" or the "Company") is pleased to report ongoing summer work under Cameco's year 3 work

program at the 5 kilometre long Grid 5 target area at the 36,000 ha West McArthur uranium project, see Figure1.

Key Points:

Winter drill holes show uranium halos and possible target over-shoot

Summer geophysics-b

orehole survey to locate conductor missed in hole WMA050

3D modeling

of complex

geology

where C10 fault cuts across stratigraphy

Cameco's work has been focused on evaluating the C10 corridor, which is highlighted by the NE-striking conductivity high in the

southern part of the property. Work to date has been focused around the northeastern part of that corridor where several ground-

defined conductive responses of varying strength were identified. The summer activities for 2018 include borehole EM on Line

6000W to explain/locate the conductor and better interpret the fault location.

West McArthur Project

C10 Structural Target

Grid 5 Area

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

https://orders.newsfilecorp.com/files/2864/34794_a1527110939259_67.jpg

Seven diamond drill holes were completed throughout the winter program, for a total of 6,926 metres.

Based on the new drilling

information, one branch of the C10 fault is now interpreted to cut across the basement stratigraphy west of the eastern property

boundary, continuing at an easterly strike, whereas the stratigraphy is interpreted to bend to a more northeasterly striking

orientation as mapped by the airborne ZTEM survey.

To date, three holes have intersected mineralization, up to a maximum of 1.51% U

3

O

8

over 5.5 metres. The main anomalous

zone is centered on the structural complexity observed along the L5700W and L6000W geophysical lines, and is roughly the

current extent of the 1 ppm uranium halo in the medial to lower sandstone.

Drill hole WMA044 targeted the down dip projection of a fault in the medial sandstone column of WMA042/42-2 and associated

with a broad zone of anomalous uranium geochemistry extending over 200 metres vertically. Weakly elevated uranium

geochemistry (>1 ppm) is present over much of the lower 250 metres of the sandstone column in WMA044. The uranium

geochemistry in WMA045 and WMA046, completed 300 metres along strike to the east, also returned intermittent uranium

values above 1 ppm present in composite samples throughout the lower 400-550 metres of the sandstone column. The

anomalism in the upper-medial sandstone of WMA045 could be related to another easterly striking fault to the south or a nearby

cross-cutting structure.

The C10 North conductor was tested with drill hole WMA050, near the eastern property boundary but did not explain the targeted

conductive response. No structure or hydrothermal alteration is observed in the lower sandstone column, however a discrete

fracture zone was intersected in the medial sandstone column, followed by 80 metres of patchy weak sooty pyrite coincident with

weakly anomalous uranium geochemistry.

WMA046 tested the interpreted C10 conductor with an aggressive step-out, 600 metres along strike to the southwest of

WMA042/042-2. The hole is interpreted to have overshot the conductor.

WMA049-1, which tested a second EM pick 250 metres to the south on the same section, intersected a five metre wide chlorite

and clay-altered semi-brittle fault 20 metres below the unconformity.

WMA047, 800 metres southwest of WMA046 intersected several narrow faults in the sandstone column, coincident with

silicification and dravitic clay. These appear to project back to an EM response to the southeast although likely that it overshot

more conductive lithologies

President Peter Dasler commented, "We have a series of uranium targets at Grid 5. The geological complexity, depth to target,

and geophysical data resolution make area challenging to explore, however the Cameco team has a new geological

interpretation and we believe that they are closing in on the most promising targets. The structural complexity along the C10 fault

system is encouraging for structural uranium traps and the widespread geochemical anomalism emphasizes the movement of

fluid in the sandstone column, and the potential for a significant uranium deposit in this area."

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

About CanAlaska Uranium

CanAlaska Uranium Ltd. (TSXV: CVV) (OTCQB: CVVUF) (FSE: DH7N) holds interests in approximately 102,870 hectares

(254,000 acres), one of the largest land positions in Canada's Athabasca Basin - 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. For further information visit

www.canalaska.com

.

On behalf of the Board of Directors

"Peter Dasler"

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

President & CEO

CanAlaska Uranium Ltd.

Contacts:

Peter Dasler, President

Tel: +1.604.688.3211

x 138

Email:

[email protected]

John Gomez, Corporate Development

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.