GATX CORP — Director's Dealing 2005

Nov 10, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2005-11-08

Reporting Person: KENNEY BRIAN A (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-11-08	Common Stock	M	8000	$23.9688	Acquired	47962.75	Direct
2005-11-08	Common Stock	F	6046	$36.65	Disposed	41916.75	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-11-08	1995 NQ Stock Option (Right to Buy)	$23.9688	M	8000	Disposed	2005-11-09	Common Stock (8000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock 401(k)	5490.367	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 the date of the grant and the remaining 25% commencing 3 years from the date of the grant.

F2: Mr. Kenney paid the exercise price of his options by tendering 5,231 shares of GATX Corporation common stock which he had held for at least six months. Mr. Kenney likewise satisfied a portion of his tax withholding obligations by having 815 shares of GATX common stock withheld upon the exercise of his options.