ATG Announces Delivery of Beta for IBM WebSphere; Delivery Continues to Extend Reach of Online CRM Applications From ATG With Support for More Than 75% of Application Server Market.

Business/Technology Editors

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Feb. 11, 2002

ATG (Art Technology Group, Inc.) (Nasdaq: ARTG), the leading developer of online CRM applications for e-commerce, relationship management, and portals, today announced the delivery of beta support for the IBM WebSphere(a) Application Server. ATG is pleased to include IBM within an alliance community that is enabling customers' e-business initiatives in diverse technology environments.

With this move, ATG continues to deliver on its plans to support the market's most frequently selected, industry-standard application servers. This offers greater flexibility to businesses looking to run ATG application suites on their choice of application servers. When generally available, the release will extend the market opportunity for ATG's online CRM applications to more than 75 percent of all application server users, including customers who have selected IBM WebSphere.

"Working with companies like ATG to provide complementary solutions for IBM WebSphere software is part of our commitment to deliver leading-edge e-business integrated solutions in a multi-vendor environment," said Scott Hebner, director of marketing, IBM WebSphere. "The enablement of ATG's online CRM applications for IBM WebSphere will provide businesses with sophisticated solutions for managing their customer, partner, and employee relationships."

ATG is the leading developer of online CRM applications that deliver an integrated, personalized experience for customers, partners and employees: the frontline of every business. Companies use ATG's applications for portals, e-commerce, and relationship management to personalize and proactively manage business relationships. The result is increased customer satisfaction and loyalty, improved organizational and operational efficiencies, and enhanced collaboration -- all across multiple channels. ATG supports a broad range of technical environments to support customers' varied needs, including third-party application server support.

"We are delivering on another significant technology milestone by partnering with IBM to deliver support for WebSphere," said Kenneth Volpe, vice president of product planning and strategy, ATG. "We are continuing to work towards providing the capabilities of ATG applications to the greatest customer base possible."

For more information about ATG support for the industry's leading application servers, please contact your ATG sales representative or visit www.atg.com.

About ATG

ATG(R) (Art Technology Group, Inc.) is the leading developer of online CRM applications that deliver an integrated, personalized experience for customers, partners and employees: the frontline of every business. Customers around the globe rely on ATG for the frontline applications that help build and manage mutually beneficial relationships. Deployed on the industry's most popular application servers, ATG's application suites for e-commerce, portals, and relationship management are ideal for integrated e-business initiatives across the enterprise.

Today, ATG has delivered e-business solutions to 800 companies worldwide including 3M, Abbott Laboratories, Aetna Services, Inc., Alcatel, American Airlines, AT&T, Barclays Global Investors, BMG Direct, Eastman Kodak, Ford Motor Credit, HSBC, J. Crew, Sun Microsystems, Walgreen Company, and Wells Fargo. The company is headquartered in Cambridge, Massachusetts, with additional locations throughout North America, Europe, and Asia. For more information about ATG, please visit our Web site at www.atg.com.

(c)2001 Art Technology Group, Inc. ATG, Art Technology Group, the Techmark, the ATG Logo, and Dynamo are registered trademarks.

(a) Indicates a trademark or registered trademark of International Business Machines Corporation.

This press release contains forward-looking statements for purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995. These statements involve known and unknown risks and uncertainties that may cause ATG's actual results, levels of activity, performance or achievements to be materially different from any future results, levels of activity, performance or achievements expressed or implied by such forward-looking statements. Important risk factors affecting ATG's business generally may be found in their periodic reports and registration statements filed with the Securities and Exchange Commission. Risk factors related to the subject matter of this press release include the possibility that the ATG product deployment will not be successful or significantly enhance the user's internet experience or handle user volumes, the need to adapt to rapid changes so products do not become obsolete; the possibility of errors in ATG's software products; and the possibility that the solution will not make customer implementations faster and more flexible; the possibility that ATG's product will not continue to support any application server and the risks and costs of intellectual property litigation. ATG undertakes no obligation to update any of the forward-looking statements after the date of this press release.