STT State Street Corporation

State Street Corporation announced today that on Tuesday, February 6, 2007, at 12:30 p.m. EST, it will webcast a presentation to investors and analysts by Ronald E. Logue, Chief Executive Officer, Edward J. Resch, Executive Vice President and Chief Financial Officer, Jay Hooley, Vice Chairman and Head of Global Investor Services and Bill Hunt, Vice Chairman and Chief Executive Officer of State Street Global Advisors (SSgA). The presentation will be accessible, in listen-only mode, on State Street�s investor relations home page, at www.statestreet.com/stockholder, and via telephone, at +1 719/457-2633 (confirmation code 2154130). Recorded replays of the presentation will be available on the web site and by telephone +1 719/457-0820 (confirmation code 2154130) beginning at 5:00 p.m. that day. 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.