PARMA, Italy and CARY, N.C., Feb. 4, 2014 -- Chiesi Farmaceutici S.p.A., a European pharmaceutical company, and Cornerstone Therapeutics Inc. (NASDAQ: CRTX) ("Cornerstone"), a specialty pharmaceutical company focused on commercializing products for the U.S. hospital and adjacent specialty markets, today announced that Chiesi has acquired all of the outstanding common shares of Cornerstone not already owned by Chiesi for $9.50 per share in cash. Prior to completing the transaction, Chiesi owned 58% of Cornerstone's outstanding shares.