ATG To Present at the Needham Internet and Digital Media Conference

Business Wire, May 1, 2008

Presentation to be Webcast Live on May 8th

CAMBRIDGE, Mass. -- ATG (Art Technology Group, Inc., NASDAQ: ARTG), the leading e-commerce solutions provider, today announced that management is scheduled to present at the Needham Internet and Digital Media Conference on Thursday, May 8, 2008. 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 at 8:00 a.m. EST on May 8th will be webcast live over the Internet. Interested parties may access the live and archived presentation by visiting the "For Investors" section of ATG's website at www.atg.com.

About ATG

ATG (Art Technology Group, Inc., NASDAQ: ARTG) makes the software and delivers the on demand solutions that the world's most customer-conscious companies use to power their e-commerce web sites, attract prospects, convert them to buyers and ensure their satisfaction so they become loyal, repeat, profitable customers. Our e-commerce suite is ranked the #1 current offering and #1 in strategy by the industry's most influential analyst firms, and powers more of the top 300 internet retailers than any other vendor. Our eStara brand provides customer interaction solutions to enhance conversions and customer support, and delivers the world's most widely used click-to-call service. ATG's solutions are used by over 900 major brands, including Amazon, American Eagle Outfitters, AOL, AT&T, Best Buy, B&Q, Cabela's, Carrefour, Cingular, Coca Cola, Continental Airlines, CVS, Dell, DirecTV, El Corte Ingles, Expedia, France Telecom, Harvard Business School Publishing, Hewlett-Packard, Hilton, HSBC, Intuit, Macy's, Meredith, Microsoft, Neiman Marcus, New York & Company, Nokia, OfficeMax, PayPal, Philips, Procter & Gamble, Sears, Sony, Symantec, Target, T-Mobile, Urban Outfitters, Verizon, Viacom, Vodafone and Walgreens. The company is headquartered in Cambridge, Massachusetts, with additional locations throughout North America and Europe. For more information about ATG, please visit www.atg.com.

(c) 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.