GATX CORP — Director's Dealing 2005

Mar 29, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2005-03-25

Reporting Person: MUCKIAN WILLIAM M (Vice President-Controller)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-03-25	Stock-Settled Stock Appreciation Right	$32.645	A	4600	Acquired	2012-03-25	Common Stock (4600)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3784.30	Direct
Common Stock - 401(k)	4306.23	Indirect

Footnotes

F1: 50% of Stock-Settled Stock Appreciation Right 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. h