PATTERSON, N.Y., March 4, 2010 (GLOBE NEWSWIRE) -- Penwest Pharmaceuticals Co. (Nasdaq:PPCO) today announced its financial results for the fourth quarter and full year ended December 31, 2009. Compared with the fourth quarter of 2008, fourth quarter 2009 revenues increased sharply to $7.0 million, selling, general and administrative expenses decreased by 15% and the Company had net income of $0.04 per share for the fourth quarter of 2009.