STATE STREET CORP — Director's Dealing 2010

Feb 26, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STATE STREET Corp (STT)
CIK: 0000093751
Period of Report: 2010-02-24

Reporting Person: Antonellis Joseph C (Vice Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-24	Common Stock	S	25543	$45.16	Disposed	146852	Direct
2010-02-25	Common Stock	A	7361	—	Acquired	154213	Direct
2010-02-25	Common Stock	F	2338	$44.99	Disposed	151875	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6819	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.04 to $45.27, inclusive. The reporting person undertakes to provide to State Street Corporation, any security holder of State Street Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote 1 of this Form 4.

F2: Settlement of an award granted on December 20, 2006 in connection with appointment to the office of Vice Chairman.

F3: These shares were withheld to satisfy tax withholding obligations in connection with the settlement of an award granted on December 20, 2006 in connection with appointment to the office of Vice Chairman.

F4: The balance reflects the amount of shares beneficially owned, including shares received due to dividend reinvestment, as of the date of this report.

F5: The reporting person indirectly beneficially owns 6,819 shares of State Street common stock under State Street's 401(k) plan, based on a plan statement dated as of January 29, 2010. The plan accounts for interest in units consisting of shares of State Street common stock and a small amount of cash. As a result, the number of underlying shares may fluctuate from time to time.