Washington Trust Bancorp, Inc. Declares First Quarter Dividend

Company Increases Dividend to 25 Cents Per Share

WESTERLY, R.I.--(BUSINESS WIRE)--The Board of Directors of Washington Trust Bancorp, Inc., (NASDAQ Global Select^®; symbol: WASH), today declared a quarterly dividend of 25 cents per share for the quarter ending March 31, 2013. This represents a one cent increase over the dividend paid last quarter and is the Corporation’s third dividend increase in the past year. The dividend will be paid on April 12, 2013 to shareholders of record on April 1, 2013.

Washington Trust Bancorp, Inc. is the parent of The Washington Trust Company, a state-chartered bank headquartered in Westerly, Rhode Island. Founded in 1800, Washington Trust is the oldest community bank in the nation and is the largest independent bank headquartered in Rhode Island. Washington Trust offers a full range of financial services, including commercial banking, small business banking, personal banking, and wealth management and trust services through its offices located in Rhode Island, southeastern Connecticut and eastern Massachusetts. The Corporation’s common stock trades on The NASDAQ Global Select® Stock Market under the symbol WASH. Investor information is available on the Corporation’s web site: www.washtrust.com.