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To my knowledge, this Annual Report on Form 10-K for the year ended December 31, 2007 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and the information contained in this Report fairly presents, in all material respects, the financial condition and results of operations of State Street Corporation.
| Date: February 14, 2008 | By: | /s/ RONALD E. LOGUE Ronald E. Logue, Chairman and Chief Executive Officer |
| Date: February 14, 2008 | By: | /s/ EDWARD J. RESCH Edward J. Resch, Executive Vice President and Chief Financial Officer |
SECTION 1350 CERTIFICATIONS