MINNEAPOLIS and CAMBRIDGE, Mass., March 13 /PRNewswire/ -- Net Perceptions (Nasdaq: NETP) and Art Technology Group ("ATG") (Nasdaq: ARTG) today announced that they have completed the integration of ATG's Dynamo Product Suite of E-commerce and personalization applications with the Net Perceptions for E-commerce recommendation engine. The integrated solution enables Dynamo-driven sites to include one-to-one customer recommendations as part of their personalized eBusiness initiatives.

Through the new Dynamo Open Adapter for Net Perceptions, available immediately from ATG, customers can easily and quickly add Net Perceptions' collaborative filtering recommendation capabilities to the business rules-based personalization features of Dynamo, including customer profiling, market segmentation, content targeting, and merchandising that drive their eBusiness. Integration of the e-commerce and personalization technologies from the two companies will allow mutual partners, such as Fort Point Partners, to accelerate implementation of this comprehensive solution.

"Our clients' customers demand an easy and satisfying buying experience. Personalization technology is one way we help our clients deliver value to individual customers, effectively increasing sales," said Kevin Smith, VP of business development at Fort Point Partners, an Internet consulting and systems integration firm that has deep strategic alliances with both companies. "The packaged ATG/Net Perceptions integration means we can easily take advantage of the best of both products and deliver solutions that delight our clients' customers and drive sales."

Ken Volpe, vice president of product marketing and management at ATG, said: "The ATG Dynamo Product Suite provides customers with the e-commerce and personalization platform required for building enduring online customer relationships. Working with Net Perceptions allows ATG to provide our customers with the ability to integrate realtime recommendation capabilities with Dynamo's business rules-based personalization, including market segmentation, targeting rules, and up-sell and cross-sell promotional campaigns."

ATG's Dynamo Product Suite provides businesses with the core platform to develop and deploy personalized, scalable and reliable e-commerce Web sites. The Net Perceptions for E-commerce product allows organizations to benefit from understanding and predicting what people will value. Combined, the two products deliver an advanced realtime personalization solution for improving the browser-to-buyer ratio, increasing average order size and enhancing customer loyalty. The new Dynamo Open Adapter for Net Perceptions software is currently available to ATG customers using Dynamo Commerce Server.

"The integration of our one-to-one recommendation technology with the ATG Dynamo Product Suite results in an out-of-the-box solution of both companies' core competencies," said Steve Larsen, Net Perceptions senior vice president. "This allows customers and system integrators to quickly launch and manage the most highly personalized e-commerce applications."

About Art Technology Group

Art Technology Group, Inc. ("ATG") (Nasdaq: ARTG) is a leading provider of Internet customer relationship management and electronic commerce products and services. ATG offers an integrated suite of Java application server-based products and services, as well as related application development, integration and support services. ATG's Dynamo(R) product suite enables Global 1000 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. Dynamo is licensed to over 200 customers including: 3M, BabyCenter, BellSouth, BMG Direct, Eastman Kodak, Informix, John Hancock Funds, Network Solutions, Newbridge Networks, Scudder Kemper Investments, Sun Microsystems and TheStreet.com. The Company is headquartered in Cambridge, MA with additional locations throughout the U.S. and in Europe.

About Net Perceptions

Net Perceptions is a leading provider of realtime personalization and precision marketing software solutions for Internet and multi-channel retailers. Its software is designed to help retailers understand customers individually, optimize product assortments, prices and inventories and offer the right product to the right customer at the right price. On February 14, 2000, Net Perceptions completed its acquisition of Knowledge Discovery One (KD1); a provider of advanced data analysis solutions for multi-channel and dot.com retailers. Net Perceptions' customers include many of the world's best-known brands including: Art.com, Bertelsmann, CDNOW, Egghead.com, eToys.com, Fingerhut, Hudson's Bay Company, J.C. Penney, Procter & Gamble, Tower Records and Walgreens. Incorporated in Delaware, July 3, 1996, the company has offices in Minneapolis, San Francisco, New York, Austin, Texas, Richardson, Texas, and Berkshire, U.K.

Net Perceptions is a registered trademark of Net Perceptions Inc. Greenlight Go! is a service mark of Net Perceptions. All other trademarks are the property of their respective owners.

This news release contains forward-looking statements that involve a number of risks and uncertainties. Among the important factors that could cause actual results to differ materially from those indicated by such forward-looking statements are the company's limited operating history, delays in product development, development of the Internet market, changes in product pricing policies, competitive pressures and the risk factors detailed from time to time in the company's periodic reports and registration statements filed with the Securities and Exchange Commission.

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 ATG's prospectus and in 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 Net Perceptions and ATG products will not be compatible, either now or in the future; that customers will encounter difficulties in implementing the two companies' software; that the strategic alliance will be unsuccessful; unrealistic customer expectations; and the costs and risks associated with intellectual property infringement and litigation. ATG undertakes no obligation to update any of the forward-looking statements after the date of this press release. SOURCE Net Perceptions

CONTACT: Jacqueline Hanson of Net Perceptions, 612-918-1749, or cell, 612-385-3949, or jhanson@netperceptions.com; or Rich Adolph of Waggener Edstrom, 425-637-9097, or richa@wagged.com; or Nancy Morrisroe of Art Technology Group, 617-386-1282, or Nancy@atg.com/