GATX CORP — Director's Dealing 2006

Feb 14, 2006

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2005-12-31

Reporting Person: LYONS ROBERT C (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-12-31	Common Stock 401(k)	J	11.839	$36.08	Acquired	1870.193	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2405	Direct

Footnotes

F1: Includes 6.1319 shares acquired through the Employee Stock Purchase Plan.

F2: Reflects a payment in cash in lieu of fractional share.

F3: Represents 11.839 shares acquired through dividend reinvestment under the company's 401(k) plan.

F4: The price of the stock is based on the closing price on 12/30.