ATG Extends e-Business Leadership With Enhanced HP-UX and Linux Platform Support.

Business/Technology Editors

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Jan. 18, 2001

New version of ATG Dynamo offers expanded platform, database and

Chinese language support to meet the needs of global e-businesses

In a continuous effort to meet the e-business needs of new and existing customers, ATG (Art Technology Group, Inc.)(Nasdaq:ARTG), today announced the availability of ATG Dynamo(R) version 5.1. The release enables companies operating on Hewlett-Packard Company and Linux platforms to fuel their global, e-business success with the latest Dynamo e-commerce and customer management solutions.

ATG Dynamo 5.1 extends the capabilities of the first e-commerce and customer management platform to feature scenario-driven personalization, a powerful and innovative way to manage customer interactions over time and across the enterprise. Since the introduction of scenario-based solutions in September 2000, momentum for ATG Dynamo has increased as ATG strengthens its technology leadership with extended support and capabilities for its worldwide customers.

The new features include:

- Enhanced platform support for HP-UX 11.0 and Red Hat Linux 6.2

- Added database support for Sybase Adaptive Server 11.9.2 and 12.0 (on
Solaris) and Oracle 8i (on Windows 2000)

- Support for Chinese language internationalization

Support for the HP-UX platform allows customers to capitalize on the functionality of ATG Dynamo, while maintaining the integrity and stability of their current environment. Businesses can integrate ATG Dynamo e-commerce and customer management solutions with value added software from HP, including HP OpenView, HP Process Manager, and HP WebQoS.

"Flexibility and dependability are essential elements for any company offering innovative e-commerce solutions to their customers," said Nigel Ball, vice president and general manager, HP E-Services Partner Division. "The availability of ATG Dynamo 5.1 for the HP-UX operating environment provides customers with the solutions they need to achieve measurable success in their online endeavors by easing enterprise integration and speeding up application deployment."

Since its release, many partners and customers have selected ATG Dynamo for its superior e-commerce and customer management capabilities. This solid adoption rate has earned ATG industry recognition for its ability to deliver a complete customer management solution, including first place standing in Forrester Research's eBusiness Commerce Platform TechRankings(TM) Report.

"Businesses do not need promises, they need effective solutions that will allow them to make the most of their technology investments and realize their e-business goals," said Joseph Chung, ATG co-founder and chief technology officer. "By mapping our technical innovation to meet these goals, ATG continuously delivers to customers and partners what is critical to succeed online: efficiency, high-yielding customer relationships, and competitive differentiation. We will continue to serve these needs with the release of ATG Dynamo 5.1 and beyond."

About ATG

ATG is a leading provider of online customer relationship management and electronic commerce products and services. ATG offers an integrated suite of Java(TM) application server-based products, as well as related application development, integration and support services. The ATG Dynamo(R) e-Business Platform enables Global 2000 enterprises, as well as new businesses using the Internet as their primary business channel, to understand, manage, and build their online customer relationships and to more effectively market, sell, and support their products and services over the Internet.

With its network of more than 225 solution partners, ATG has delivered e-business solutions to over 530 companies worldwide including 3M, Aetna Services, Inc., American Airlines, Blockbuster, BabyCenter, BMG Direct, ChipCenter, Eastman Kodak, HSBC, Herman Miller, J. Crew, Network Solutions, Sun Microsystems, and Target. The company is headquartered in Cambridge, Massachusetts, with additional locations throughout North America, Europe, Asia, and Australia.

Dynamo, 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.

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 business generally may be found in periodic ATG 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 products will not be or remain compatible with the HP and Linux operating systems or other software used by customers; that a customer's web site will fulfill its requirements or those of its end-user customers; that the product will not remain scalable; and the costs and risks associated with intellectual property infringement. ATG undertakes no obligation to update any of the forward-looking statements after the date of this press release.