HAIFA, Israel, Feb. 1, 2011 (GLOBE NEWSWIRE) -- Pluristem Therapeutics Inc. (Nasdaq:PSTI) (TASE:PLTR) today announced the closing of its previously announced firm commitment underwritten public offering of 11,000,000 units, with each unit consisting of one share of the Company's common stock and one warrant to purchase 0.4 of a share of common stock, at a purchase price of $3.25 per unit.