LEXINGTON, Mass., April 25, 2012 (GLOBE NEWSWIRE) -- Agenus Inc. (Nasdaq:AGEN) reported today its results for the first quarter ended March 31, 2012. The company reported net income attributable to common stockholders of $6.6 million, or $0.29 per share, basic and diluted for the first quarter of 2012, compared with a net loss attributable to common stockholders in the first quarter of 2011 of $6.2 million, or $0.33 per share, basic and diluted.