GATX CORP — Director's Dealing 2007

Jan 3, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2006-12-31

Reporting Person: MUCKIAN WILLIAM M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-12-31	Common Stock	F	801	$43.56	Disposed	4757	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock 401(k)	4613.859	Indirect