Cannasat Therapeutics Inc. Receives $1.12 Million From Divesture of Prairie Plant Systems Equity Position

TORONTO, ONTARIO--(Marketwire - June 23, 2008) - Cannasat Therapeutics Inc. (the “Corporation”) (TSX VENTURE: CTH), the developer of novel cannabinoid-based pharmaceutical products, announced today that it has reached an agreement to sell the Company’s 12% equity stake in the privately-held, Saskatoon-based Prairie Plant Systems. The $1.12 million sale price is equal to the price Cannasat originally paid for PPS shares in August 2004.