DealerTrack Announces Proposed Public Offering of Common Stock

LAKE SUCCESS, N.Y., Aug. 28, 2006 -- DealerTrack Holdings, Inc. , a leading provider of on-demand software, network and data solutions for the automotive retail industry in the United States, today announced that it has filed a registration statement with the Securities and Exchange Commission relating to the proposed public offering of 9,000,000 shares of its common stock. DealerTrack is offering 2,750,000 shares, and selling stockholders of DealerTrack are offering 6,250,000 shares. The selling stockholders have granted the underwriters an option to purchase an additional 1,350,000 shares of DealerTrack's common stock to cover any over-allotments.

DealerTrack will use the proceeds from the sale of common stock by DealerTrack for general corporate purposes. DealerTrack will not receive any proceeds from the sale of its common stock by the selling stockholders.

Lehman Brothers is the sole book-runner of the proposed offering. William Blair & Company and Deutsche Bank Securities will serve as co-lead managers and Cowen and Company, Wachovia Securities, JMP Securities and Thomas Weisel Partners LLC will serve as co-managers.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

Once available, a preliminary prospectus relating to these securities may be obtained from Lehman Brothers Inc., c/o ADP Financial Services, Prospectus Fulfillment, 1155 Long Island Avenue, Edgewood, New York, NY, 11717. Email: monica_castillo@adp.com. Fax: (631) 254-7268.

About DealerTrack (http://www.dealertrack.com/)

DealerTrack Holdings, Inc. is a leading provider of on-demand software, network and data solutions for the automotive retail industry in the United States. DealerTrack's online credit application processing product automates and accelerates the automotive financing process, while its integrated subscription-based software enables dealers to receive consumer leads, compare financing and leasing options, sell insurance and other aftermarket products, document compliance, and execute financing contracts electronically. Over 22,000 dealers, with more than 85% of all franchised dealers in the United States; over 250 financing sources, including nine captives and the 20 largest U.S. independents; and other service and information providers are active in the DealerTrack network.