Filed Pursuant to Rule 433
Registration No. 333-145521
September 21, 2009

PRICING TERM SHEET

GATX Corporation 4.750% Senior Notes due 2012

Issuer:	GATX Corporation
Security:	4.750% Senior Notes due 2012
Size:	$300,000,000
Maturity Date:	October 1, 2012
Coupon:	4.750%
Interest Payment Dates:	April 1 and October 1, commencing April 1, 2010
Price to Investors:	99.943%
Benchmark Treasury:	UST 1.375% due September 15, 2012
Benchmark Treasury Yield:	1.520%
Spread to Benchmark Treasury:	T+325 bps
Make-Whole Spread (used to calculate Make-Whole Amount) :	T+50 bps
Expected Settlement Date:	September 24, 2009 (T+3)
CUSIP/ISIN:	361448 AH6 / US361448AH64
Anticipated Ratings:	Baa1 (negative outlook) by Moody’s Investors Service, Inc.
	BBB+ (negative outlook) by Standard & Poor’s Ratings Services
Joint Book-Running Managers:	Citigroup Global Markets Inc.
	Banc of America Securities LLC
Lead Manager:	Mizuho Securities USA Inc.
Co-Managers:	PNC Capital Markets LLC
	The Williams Capital Group, L.P.

Note: A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering.

You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Citigroup Global Markets Inc. toll free at 1-877-858-5407 or Banc of America Securities LLC at 1-800-294-1322.