STATE STREET CORP — Director's Dealing 2011

Mar 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STATE STREET Corp (STT)
CIK: 0000093751
Period of Report: 2011-02-24

Reporting Person: Antonellis Joseph C (Vice Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-24	Common Stock	A	4518	—	Acquired	82506	Direct
2011-02-24	Common Stock	A	7361	—	Acquired	89867	Direct
2011-02-24	Common Stock	A	16441	—	Acquired	106308	Direct
2011-02-24	Common Stock	F	2469	$44.27	Disposed	103839	Direct
2011-02-24	Common Stock	F	5908	$44.27	Disposed	97931	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6816	Indirect

Footnotes

F1: Restricted stock units granted pursuant to State Street Corporation 2006 Equity Incentive Plan under supplemental retirement plan.

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

F3: Settlement of a performance award granted on February 25, 2010 as part of 2009 compensation.

F4: 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.

F5: These shares were withheld to satisfy tax withholding obligations in connection with the settlement of a performance award granted on February 25, 2010 as part of 2009 compensation.

F6: The balance reflects the amount of shares beneficially owned, including shares received due to dividend reinvestment, as of the date of this report.

F7: The reporting person indirectly beneficially owns 6,816 shares of State Street common stock under State Street's 401(k) plan, based on a plan statement dated as of January 31, 2011. 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.