STT State Street Corporation

State Street Corporation (State Street) today announced a quarterly dividend of $0.21 per share, payable April 16, 2007, to stockholders of record as of April 2, 2007. State Street�s quarterly dividend rate is 11 percent higher than a year ago. State Street also announced that its Board of Directors has approved an increase in the 15 million share purchase authorization approved in March 2006 by an additional 15 million shares, bringing the total purchase authorization to 30 million shares, of which approximately 27.2 million shares remain available for repurchase. The new authorization will be used to offset the impact of employee benefit plans, as well as for other corporate purposes. 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 services. With $11.9 trillion in assets under custody and $1.7 trillion in assets under management at December 31, 2006, State Street operates in 26 countries and more than 100 geographic markets worldwide and employs 21,700 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 +1 678/999-4577 outside those countries.