GATX CORP — Director's Dealing 2005

Feb 10, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2005-02-09

Reporting Person: ZECH RONALD H (Director, Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-02-09	Common Stock	M	20000.00	$23.7813	Acquired	67890.03	Direct
2005-02-09	Common Stock	S	20000.00	$29.3119	Disposed	47890.03	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-02-09	1995 NQ Stock Option (right to buy)	$23.7813	M	20000	Disposed	2005-10-27	Common Stock (20000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - 401(k)	21273.86	Indirect

Footnotes

F1: 50% of option granted may be exercised commencing 1 year from the date of the grant, an additional 25% commencing 2 years from th
e date of the grant and the remaining 25% commencing 3 years from the date of the grant.