GATX CORP — Director's Dealing 2005

Aug 12, 2005

SEC Form 4/A — Form 4/A

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2005-08-09

Reporting Person: ZECH RONALD H (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-08-09	Common Stock	M	4000	$23.9375	Acquired	92688.03	Direct
2005-08-09	Common Stock	S	4000	$38.3293	Disposed	88688.03	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-08-09	1996 NQ Stock Option (Right to Buy)	$23.9375	M	4000	Disposed	2006-10-25	Common Stock (4000)	Direct

Footnotes

F1: Transaction date was erroneously reported as 8/10/05, transaction date was 8/9/05.

F2: Transaction date was erroneously reported as 8/10/05, transaction date was 8/9/05.

F3: 50% of option granted may be exercised commencing 1 year from the date of the grant, an additional 25% commencing 2 years from the date of the grant and the remaining 25% commencing 3 years from the date of the grant.

F4: Transaction date was erroneously reported as 8/10/05, transaction date was 8/9/05.