MONTREAL, QUEBEC -- (Marketwire) -- 05/19/11 -- Creso Exploration Inc. ('Creso' or the 'Company') (TSX VENTURE: CXT)(OTCQX: CRXEF)(FRANKFURT: C3X) is pleased to announce the initiation of a drill program at its Shining Tree project in northeast Ontario that is planned to complete a combined 1,450 meters of diamond drilling on the Matona, Porphyry Lake, Hare Lake, and Tyrrell Zones.