State Street Corporation Chairman and CEO David A. Spina to Present at William Blair Conference

June 10, 2004

BOSTON--(BUSINESS WIRE)--June 10, 2004--State Street Corporation (NYSE: STT) announced today that its Chairman and CEO, David A. Spina, will speak at the William Blair Growth Stock Conference on Tuesday, June 22, at 8:50 a.m. EDT. Mr. Spina will provide an overview of State Street's strategy for profitable growth.

The presentation will be accessible, in listen-only mode, 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 $9.4 trillion in assets under custody and $1.2 trillion in assets under management, State Street operates in 24 countries and more than 100 markets worldwide. For more information, visit State Street's Web site at www.statestreet.com.

    CONTACT: State Street CorporationHannah Grove, 617-664-3377

    SOURCE: State Street Corporation