GATX CORP — Director's Dealing 2006

Nov 8, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GATX CORP (GMT)
CIK: 0000040211
Period of Report: 2006-11-07

Reporting Person: GLENN CURT F (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-11-07	Common Stock	M	4000	$33.4688	Acquired	7969.3196	Direct
2006-11-07	Common Stock	M	3500	$39.7188	Acquired	11469.3196	Direct
2006-11-07	Common Stock	M	1500	$39.4688	Acquired	12969.3196	Direct
2006-11-07	Common Stock	M	1750	$30.4688	Acquired	14719.3196	Direct
2006-11-07	Common Stock	M	6000	$39.145	Acquired	20719.3196	Direct
2006-11-07	Common Stock	S	16750	$44	Disposed	3969.3196	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-11-07	1997 NQ Stock Option (Right to Buy)	$33.4688	M	4000	Disposed	2007-10-24	Common Stock (4000)	Direct
2006-11-07	1998 NQ Stock Option (Right to Buy)	$39.7188	M	3500	Disposed	2008-07-24	Common Stock (3500)	Direct
2006-11-07	1999 NQ Stock Option (Right to Buy)	$39.4688	M	1500	Disposed	2009-07-23	Common Stock (1500)	Direct
2006-11-07	2000 NQ Stock Option (Right to Buy)	$30.4688	M	1750	Disposed	2010-03-10	Common Stock (1750)	Direct
2006-11-07	2001 NQ Stock Option (Right to Buy)	$39.145	M	6000	Disposed	2011-07-27	Common Stock (6000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock 401(k)	7705.499	Indirect

Footnotes

F1: 50% of option 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.

F2: 50% of option 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.

F3: 50% of option 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.

F4: 50% of option 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.

F5: 50% of option 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.