STATE STREET CORP — Director's Dealing 2007

May 1, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STATE STREET CORP (STT)
CIK: 0000093751
Period of Report: 2007-04-27

Reporting Person: Malerba James J (SVP and Corporate Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-04-27	Common Stock	S	800	$68.73	Disposed	7691	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	218	Indirect

Footnotes

F1: Includes DRIP shares acquired through the date of this report.

F2: The reporting person indirectly beneficially owns 218 shares of State Street common stock through State Street Corporation's 401(k) plan, as of March 31, 2007. The plan accounts for interest in units of shares and a small amount of cash. As a result, the number of underlying shares may fluctuate from time to time.