ATG to Present at the Citi Investment Research Technology Conference

ATG (Art Technology Group, Inc., NASDAQ: ARTG) today announced that management is scheduled to present at the Citi Investment Research 15th Annual Global Technology Conference, September 2-4, 2008 at the Hilton New York Hotel, New York, NY. At the conference, Chief Executive Officer Bob Burke and Chief Financial Officer Julie Bradley will provide insight about the company’s business strategy and recent financial results.

The company’s presentation is scheduled for Thursday, September 4^th from 1:45 to 2:15. Interested parties may access the archived presentation one hour after the conclusion of the discussion, by visiting http://www.veracast.com/webcasts/citigroup/tech08/61310368.cfm.

About ATG

A trusted, global specialist in e-commerce, ATG (Art Technology Group, Inc., NASDAQ: ARTG) has spent the last decade focused on helping the world’s premier brands maximize the success of their online businesses. The ATG Commerce application suite is the top-rated platform for powering highly personalized, efficient and effective e-commerce sites. The company offers a line of platform-neutral, SaaS-based ATG e-Commerce Optimization Services, which can be easily added to any Web site to increase conversions and order size. ATG customers include progressive, innovative online brands like AT&T, Best Buy, Bulgari, Coca Cola, Continental Airlines, CVS, Dell, Diane von Furstenberg, DirecTV, eLuxury, El Corte Ingles, France Telecom, Harvard Business School Publishing, Hewlett-Packard, Hilton, HSBC, Intuit, Jenny Craig, Louis Vuitton, Macy's, Mercedes Benz, Meredith, Microsoft, Neiman Marcus, New York & Company, NutriSystem, OfficeMax, PayPal, Philips, Procter & Gamble, Sears, Sony, Symantec, Target, T-Mobile, Tommy Hilfiger, Urban Outfitters, Verizon, Viacom, Vodafone and Walgreens. For more information, please visit http://www.atg.com.

© 2008 Art Technology Group, Inc. ATG and Art Technology Group are registered trademarks of Art Technology Group, Inc. All other product names, service marks, and trademarks mentioned herein are trademarks of their respective owners.