DealerTrack Public Offering of 10 Million Shares of Common Stock Priced at $23.76 Per Share

LAKE SUCCESS, N.Y., Oct. 6, 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 the pricing of its public offering of 10,000,000 shares of its common stock at a public offering price of $23.76 per share. In the offering, 2,750,000 shares are being sold by DealerTrack and 7,250,000 shares are being sold by the selling stockholders. In addition, the selling stockholders have granted the underwriters the right to purchase up to an additional 1,500,000 shares at the public offering price.

DealerTrack will use the proceeds of 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 acted as the sole book-running manager for the offering. William Blair & Company and Deutsche Bank Securities acted as co-lead managers, and Cowen and Company, Wachovia Securities, JMP Securities and Thomas Weisel Partners LLC acted as co-managers.

A registration statement relating to this offering was filed with and declared effective by the Securities and Exchange Commission. The offering is being made solely by means of a prospectus. This press release shall not constitute an offer to sell or a solicitation of an offer to buy, and there shall not be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

A copy of the final prospectus related to this offering 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 (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. Our online credit application processing product automates and accelerates the automotive financing process, while our 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 the 20 largest U.S. independents; and other service and information providers are active in the DealerTrack network.

Safe Harbor for Forward-Looking and Cautionary Statements

Statements in this press release regarding DealerTrack and all other statements in this release other than the recitation of historical facts are forward-looking statements (as defined in the Private Securities Litigation Reform Act of 1995). These statements involve a number of risks, uncertainties and other factors that could cause actual results, performance or achievements of DealerTrack to be materially different from any future results, performance or achievements expressed or implied by these forward-looking statements.

Factors that might cause such a difference include: increased competitive pressure from other industry participants, the inability to execute any element of DealerTrack's business strategy, including the retention of dealers and financing source customers; selling additional products and services to existing and new customers; DealerTrack's success in expanding its customer base and product and service offerings and integrating acquisitions; the impact of the automotive retail industry on DealerTrack's business; the impact of some vendors of software products for automotive dealers making it more difficult for our customers to use our products and services, and other risks listed in DealerTrack's reports filed with the SEC, including its Annual Report on Form 10-K for the year ended December 31, 2005. These filings can be found on DealerTrack's website at www.dealertrack.com and the SEC's website at www.sec.gov. Forward-looking statements included herein speak only as of the date hereof and the Company disclaims any obligation to revise or update such statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events or circumstances.