GATX CORP — Director's Dealing 2004

Dec 8, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2004-12-06

Reporting Person: EDWARDS DAVID M (VP and President GATX Rail)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-12-06	Common Stock - 401(k)	I	8066.00	$29.43	Disposed	0.00	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	27446.40	Direct
Common Stock	200.00	Indirect

Footnotes

F1: Mr. Edwards disclaims beneficial ownership of the shares held by his adult sons.

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

F3: Between August 18, 2004 and December 6, 2004, the reporting person acquired 42.94 shares under the GATX Corporation 401(k) plan n
ot previously reported. This information is based on plan information dated as of December 6, 2004.