STATE STREET CORP — Director's Dealing 2004

Sep 24, 2004

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: STATE STREET CORP (STT)
CIK: 0000093751
Period of Report: 2004-09-15

Reporting Person: Leahy Peter G (Sr Principal & Co-Head - SSgA)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	29828	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
EMPLOYEE STOCK OPTION (right to buy)	$26.2187	2007-06-20	Common Stock (3000)		Direct
EMPLOYEE STOCK OPTION (right to buy)	$34.1562	2008-06-19	Common Stock (3000)		Direct
EMPLOYEE STOCK OPTION (right to buy)	$40.5156	2009-06-18	Common Stock (3334)		Direct
EMPLOYEE STOCK OPTION (right to buy)	$45.12	2013-09-29	Common Stock (29326)		Direct
EMPLOYEE STOCK OPTION (right to buy)	$52.78	2014-03-03	Common Stock (7153)		Direct

Footnotes

F1: Options become exerciable in 33 1/3% installments over a three year period commencing June 19, 1998.

F2: Options become exerciable in 33 1/3% installments over a three year period commencing June 18, 1999.

F3: Options become exerciable in 33 1/3% installments over a three year period commencing June 17, 2000.

F4: Options become exerciable in 33 1/3% installments over a three year period commencing September 29, 2005.

F5: Options become exerciable in 33 1/3% installments over a three year period commencing March 3, 2006.