FactSet Research Systems Raises Dividend by 15 Percent

May 14, 2010 (Norwalk, CT) FactSet Research Systems Inc. (NYSE: FDS | NASDAQ: FDS), a leading provider of integrated global financial information and analytical applications for the investment community, today announced that its Board of Directors approved a 15% increase in the regular quarterly dividend from $0.20 per share to $0.23 per share. The cash dividend will be paid on June 15, 2010 to holders of record of FactSet’s common stock on May 28, 2010.

About FactSet

FactSet Research Systems Inc. combines integrated financial information, analytical applications, and client service to enhance the workflow and productivity of the global investment community. The Company, headquartered in Norwalk, Connecticut, was formed in 1978 and now conducts operations along with its affiliates from more than twenty-three locations worldwide, including Boston, New York, Chicago, San Mateo, London, Frankfurt, Paris, Milan, Amsterdam, Tokyo, Hong Kong, Mumbai, and Sydney.