UnitedAuto Group to Participate in Thomas Weisel Partners' Growth Forum 6.0

BLOOMFIELD HILLS, Mich.--June 10, 2004--UnitedAuto Group, Inc. , a FORTUNE 500 automotive specialty retailer, announced today that Chairman Roger Penske will be a presenter at Thomas Weisel Partners' Growth Forum 6.0 in Laguna Beach, California. The presentation is scheduled to occur from 5:20 p.m. until 5:50 p.m. Eastern Standard Time on June 14, 2004.

UnitedAuto will simultaneously broadcast the audio portion of this presentation over the Internet. The webcast may be accessed through a link on the UnitedAuto Group website at www.unitedauto.com.

About UnitedAuto

UnitedAuto, which has pursued a strategy based on internal growth from its existing dealerships, as well as from strategic acquisitions, operates 136 franchises in the United States and 84 franchises internationally, primarily in the United Kingdom. UnitedAuto dealerships sell new and used vehicles, and market a complete line of after-market automotive products and services.

Statements in this press release may include forward-looking statements. These forward-looking statements should be evaluated together with additional information about UnitedAuto's business, markets, conditions and other uncertainties which are contained in UnitedAuto's filings with the Securities and Exchange Commission and which are incorporated into this press release by reference.