GATX CORP — Director's Dealing 2008

Jun 30, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2008-06-26

Reporting Person: LYONS ROBERT C (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-06-26	Common Stock	M	750	$39.7188	Acquired	8122	Direct
2008-06-26	Common Stock	F	685	$45.19	Disposed	7437	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-06-26	1998 NQ Stock Option (Right to Buy)	$39.7188	M	750	Disposed	2008-07-24	Common Stock (750)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock 401(k)	1974.64	Indirect

Footnotes

F1: Mr. Lyons paid the exercise price of his options by tendering 659 shares of GATX Corporation common stock which he had held for at least six months. Mr. Lyons likewise satisfied a portion of his tax withholding obligations by having 26 shares of GATX common stock withheld upon the exercise of his options.

F2: 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.