GATX CORP — Director's Dealing 2006

Feb 1, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2006-01-30

Reporting Person: CIANCIO RONALD J (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-01-30	Common Stock 401(k)	I	7431	$39.54	Disposed	0	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	7038	Direct

Footnotes

F1: Between April 28, 2005 and January 30, 2006, the reporting person acquired 213 shares under the GATX Corporation 401(k) plan not previously reported. This information is based on plan information dated as of January 30, 2006.

F2: Transfer of 401(k) funds from GATX stock to another available investment alternative.