STT State Street Corporation

State Street Corporation (NYSE: STT) will release its fourth-quarter 2007 financial results followed by an Internet broadcast of its earnings conference call on Tuesday, January 15, 2008, at 9:30 a.m. EST. The call will be accessible on State Street's investor relations home page, at www.statestreet.com/stockholder, and by telephone at +1 719/457-2679 (Confirmation Code 4616472). Recorded replays of the earnings conference call will be available on the web site, and by telephone at +1 402/220-4230, beginning at 2:00 p.m. that day. The telephone replay will be available for approximately two weeks following the conference call. State Street Corporation (NYSE: STT) is the world's leading provider of financial services to institutional investors, including investment servicing, investment management and investment research and trading. With $15.1 trillion in assets under custody and $2.0 trillion in assets under management at September 30, 2007, State Street operates in 26 countries and more than 100 geographic markets worldwide and employs 26,425 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.