NEWS RELEASE 950 Echo Lane, Suite 100 Houston, TX 77024

AT GROUP 1:	President and CEO	Earl J. Hesterberg	(713) 647-5700
	Senior Vice President and CFO	John C. Rickel	(713) 647-5700
	Manager, Investor Relations	Kim Paper Canning	(713) 647-5700
AT Fleishman-Hillard:	Investors	John O. Ambler	(713) 513-9513
AT Pierpont Communications:	Media	Clint L. Woods	(713) 627-2223

FOR IMMEDIATE RELEASE
FRIDAY, MARCH 30, 2007

GROUP 1 AUTOMOTIVE TO PRESENT AT
MORGAN STANLEY GLOBAL AUTOMOTIVE CONFERENCE

HOUSTON, March 30, 2007 — Group 1 Automotive, Inc. (NYSE: GPI), a Fortune 500 automotive retailer, today announced that executive management will present at the Morgan Stanley Global Automotive Conference. The presentation will cover Group 1’s 2006 financial results and an overview of the company’s strategy.

Group 1 is scheduled to present at the Crowne Plaza Times Square Manhattan hotel in New York City on April 4, at 10:30 a.m. EDT. A slide presentation and live audio webcast, with a replay available for 30 days, will be accessible through the Investor Relations section of Group 1’s website at www.group1auto.com.

About Group 1 Automotive, Inc.
Group 1 owns and operates 104 automotive dealerships, 143 franchises, and 28 collision service centers in the United States and three dealerships, six franchises and two collision centers in the United Kingdom that offer 33 brands of automobiles. Through its dealerships, the company sells new and used cars and light trucks; arranges related financing, vehicle service and insurance contracts; provides maintenance and repair services; and sells replacement parts.

Group 1 Automotive can be reached on the Internet at www.group1auto.com.