PATTERSON, N.Y., May 3, 2010 (GLOBE NEWSWIRE) -- Penwest Pharmaceuticals Co. (Nasdaq:PPCO) today announced its financial results for the first quarter ended March 31, 2010. Compared with the first quarter of 2009, first quarter 2010 revenues increased sharply to $8.8 million, and operating expenses decreased by 20%. The Company had net income of $0.12 per share for the first quarter of 2010.