STT State Street Corporation

State Street Corporation (NYSE: STT) today announced that it has commenced an offering of approximately $2.5 billion of common stock. State Street Corporation expects the offering to include an option of the underwriters to purchase additional shares of common stock. The offering is being conducted as a public offering pursuant to an effective registration under the Securities Act of 1933. Goldman, Sachs & Co. and Morgan Stanley & Co. Incorporated are joint book-running managers for the securities offering. Goldman, Sachs & Co. will serve as the syndicate trading manager and settlement agent for the offering. The offering is being made solely by means of a prospectus. This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. A copy of the prospectus supplement relating to the common stock can be obtained from Goldman, Sachs & Co.�s prospectus department at 85 Broad Street, New York, NY 10004, e-mail: prospectus-ny@ny.email.gs.com, telephone: (212) 902-1171, facsimile: (212) 902-9316, or from Morgan Stanley & Co. Incorporated�s prospectus department at 180 Varick Street, 2nd Floor, New York, NY 10014, e-mail: prospectus@morganstanley.com, telephone: (866) 718-1649. 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.