John Lewis Partnership to Enhance eCustomerRelationship Management With Prime@Vantage.com.

Business/Technology Editors

CAMBRIDGE, Mass.--(BUSINESS WIRE)--March 13, 2000

-- One Of Britain's Most Successful Retail Businesses Selects

Leading Integrated eMarketing Solution To Develop Traditional and

Internet Marketing Programs --

Prime Response,

Inc. (NASDAQ, EASDAQ: PRME), a leading eMarketing visionary in the eCRM arena, today announced that the John Lewis Partnership, one of the United Kingdom's most successful retail businesses, has selected the Company's integrated eMarketing software solution, Prime@Vantage.com, to drive its eMarketing strategy. This powerful software allows companies like John Lewis to utilize actual customer data both from Internet and traditional marketing channels enabling the company to develop more loyal and profitable customer relationships.

Prime@Vantage.com is the industry's first integrated eMarketing solution with the ability to analyze, plan, execute and track 1:1 marketing campaigns across multiple channels. John Lewis, and its Waitrose food division, will have the ability to utilize customer data from the Internet, email and direct mail--and to integrate that data with historical buying information about each customer--creating personalized, 1:1 marketing campaigns that meet the specific needs of each consumer.

"Prime Response will help us to close the gap between our traditional and Internet marketing strategies," said Jane Rose, head of customer communications and research at John Lewis.

"Leading companies like John Lewis have recognized the need to integrate the Internet into their existing marketing strategies," said Allen Swann, president International operations, Prime Response. "Prime@Vantage.com is a necessity for any organization that needs to harness all channels in their marketing strategy."

About Prime Response

Prime Response is consistently recognized as a leading integrated eMarketing Automation visionary in the fast-growing Customer Relationship Management (CRM) industry. The Company's Prime@Vantage.com product--a pioneering e-marketing solution within the eCRM space--is a Web-based, multi-channel marketing automation solution that integrates Internet channels, such as e-mail and Web, with traditional marketing channels, such as direct mail, call centers, direct sales systems, and mass market advertising. Prime@Vantage.com is an enterprise-class "front office" software suite for use by leading organizations to create relevant, highly targeted, measurable marketing campaigns that incrementally build more loyal and profitable customer relationships. Prime Response is located in Cambridge, MA (corporate headquarters), London (international headquarters), Antwerp, Chicago, Denver, Frankfurt, Melbourne, Minneapolis, Munich, New York, Paris, and San Francisco. More information is available at www.primeresponse.com, marketing@primeresponse.com or +1 617 876-8300.

About the John Lewis Partnership

The John Lewis Partnership is one of Britain's most successful retail businesses. From its one-shop beginnings in 1864 it has grown into a (pound)3 1/2 billion business. The 40,000-strong Partnership is Britain's foremost example of a major enterprise run for the benefits of its employees (called Partners) who share in the profits they help to make. They share knowledge of their business and power over its affairs through elected representatives. More information is available at: www.john-lewis-partnership.co.uk.

Prime Response, Prime Vantage and Prime@Vantage.com are trademarks and/or registered trademarks of Prime Response, Inc. All other trademarks and registered trademarks are the properties of their respective owners.

(c) 2000 Prime Response, Inc., except as otherwise acknowledged