STT State Street Corporation

State Street Corporation today increased its quarterly dividend $0.01 per share, to $.20 per share, payable July 17, 2006, to stockholders of record as of July 3, 2006. Following today's action, the quarterly dividend rate is 11% higher than a year ago. State Street Corporation (NYSE: STT) is the world's leading specialist in providing institutional investors with investment servicing, investment management and investment research and trading. With $10.7 trillion in assets under custody and $1.5 trillion in assets under management (as of March 31, 2006), State Street operates in 26 countries and more than 100 geographic markets and employs 21,375 worldwide. For more information, visit State Street's web site at www.statestreet.com or call 877/639-7788 (NEWS STT) toll-free in the United States and Canada, or +1 202/266-3340 outside those countries.