Drilling Resumes at Black Lake Uranium project

Vancouver, Canada, June 5th 2009 – CanAlaska Uranium Ltd. (TSX.V — CVV) (“CanAlaska” or the “Company”) has re-commenced drilling on the Black Lake project, located within the Black Lake First Nation Reserve, on the northern rim of the Athabasca basin, Saskatchewan. The current program is a continuation of the March winter program, following a shut down for spring thaw. The drilling will continue on the Platt Creek zone, 4 kilometres south of the basin rim. In this area the sandstone unconformity targets are interpreted at 200 metres depth.The drill program at Black Lake is following-up on geological and geophysical targets identified from airborne and ground surveys carried out by the Company in 2008. The current drill targets are along the Platt Creek fault/conductor, which starts in the north, at the limit of the Black Lake First Nation Reserve, and extends south into claims held by UEX/AREVA. CanAlaska has been successful with surface prospecting for uranium mineralization in this area, and there are reported significant uranium intercepts from drill testing on the adjacent property. (See also News Release of March 23 2009). The location of the Black Lake project is shown in Figure 1, and the regional geology and structures are shown in Figure 2, along with the regional magnetic image.

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