DANBURY, Conn., March 4, 2009 (GLOBE NEWSWIRE) -- Penwest Pharmaceuticals Co. (Nasdaq:PPCO) today announced its financial results for the fourth quarter and full year ended December 31, 2008. Compared with the fourth quarter of 2007, revenues increased sharply, operating expenses decreased by 30% and the Company’s net loss was significantly reduced to $0.07 per share.