STT State Street Corporation

State Street Corporation (NYSE: STT) announced today that its chairman and chief executive officer Ronald E. Logue will speak at the Merrill Lynch Banking and Financial Services Conference on Tuesday, November 15, at 9:40 a.m. EST. Executive vice president and head of global investment servicing, Jay Hooley will also speak as part of a panel discussion on Wednesday, November 16, at 1:10 p.m. The presentation will be accessible on State Street's investor relations home page at www.statestreet.com/stockholder. A recorded replay of the presentation will be available on the Investor Relations website beginning later that day. State Street Corporation is the world's leading specialist in providing institutional investors with investment servicing, investment management and investment research and trading. With $9.8 trillion in assets under custody and $1.4 trillion in assets under management as of September 30, 2005, State Street is headquartered in Boston, Massachusetts and operates in 25 countries and 100 geographic markets 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.