State Street Corporation Announces Webcast of First-Quarter Earnings Conference Call

BOSTON--(Business Wire)--
State Street Corporation (NYSE: STT) will release its first-quarter 2009
financial results followed by an Internet broadcast of its earnings conference
call on Tuesday, April 21, 2009, at 9:00 a.m. EDT. The call will be accessible
on State Street's investor relations home page, at
www.statestreet.com/stockholder, and by telephone at +1 706/679-5594 (Conference
ID #3814669). Recorded replays of the earnings conference call will be available
on the web site, and by telephone at +1 706/645-9291 (Conference ID#3814669),
beginning two hours after the call`s completion. The telephone replay will be
available for approximately two weeks following the conference call. The press
release announcing first quarter 2009 financial results, presentation materials
referred to on the conference call and additional financial information will be
available on State Street`s website, at www.statestreet.com/stockholder
beginning prior to the scheduled Internet broadcast of the conference call.

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 $12.04 trillion in
assets under custody and $1.44 trillion in assets under management at December
31, 2008, State Street operates in 27countries and more than 100 geographic
markets worldwide and employs 28,475 worldwide.

State Street Corporation
S. Kelley MacDonald, +1-617-664-3477
or
Media:
Hannah Grove, +1-617-664-3377

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