STATE STREET CORP — Director's Dealing 2008

Mar 3, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STATE STREET CORP (STT)
CIK: 0000093751
Period of Report: 2008-02-28

Reporting Person: OLeary David C (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-02-28	Common Stock	A	14434	—	Acquired	32041	Direct
2008-02-28	Common Stock	F	5217	$81.71	Disposed	26824	Direct
2008-02-28	Common Stock	A	17724	—	Acquired	44548	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-02-28	Stock Appreciation Right	$81.71	A	43778	Acquired	2018-02-27	Common Stock (43778)	Direct

Footnotes

F1: Vesting of a performance award granted on March 1, 2006.

F2: These shares were withheld to satisfy tax withholding obligations in connection with the vesting of a performance award granted on March 1, 2006.

F3: Restricted stock award granted pursuant to State Street Corporation 2006 Equity Incentive Plan.

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: Stock appreciation right granted pursuant to State Street Corporation 2006 Equity Incentive Plan.

F6: Stock appreciation right becomes exercisable in four equal annual increments commencing February 28, 2009.