ESRI Business Information Solutions to Use Acxiom Household-Level Data; Companies Join Forces to Build Sophisticated Segmentation System.

Business Editors/High-Tech Writers

REDLANDS, Calif.--(BUSINESS WIRE)--Aug. 13, 2003

ESRI Business Information Solutions (ESRI BIS), a division of ESRI, today announced that it will use Acxiom(R) Corporation's (Nasdaq:ACXM) aggregated household-level data in Community, a sophisticated neighborhood consumer segmentation system that will enhance clients' marketing applications such as customer prospecting and message targeting. The Community segmentation system is being built on the strong foundation of its predecessor system, ACORN, and will map seamlessly to the household level.

"Acxiom's contributions will allow us to provide our clients with a variety of segmentation options, including a reliable ZIP+4 segmentation tool, allowing them to target their customers geographically, all the way down to the household level," said David Huffman, managing director, ESRI BIS. "We look forward to a long and productive relationship with Acxiom that will enable us to provide the marketplace with superior segmentation products."

"Acxiom pioneered the field of household-level data and we're excited that ESRI BIS has recognized how valuable this information is for their clients," said Acxiom Strategic Development Leader Bruce Carroll. "We look forward to working with them on developing their neighborhood segmentation system."

"The strengths of ESRI BIS and Acxiom, two leaders in the marketing information industry, will produce superior segmentation tools," said Larry Disney, director of analytical services at ESRI BIS. "We are delighted to have the opportunity to work with top-quality data from Acxiom to develop offerings that will enhance our segmentation product line."

Clients in all industries, public and private agencies, universities, and nonprofit organizations can use Community segmentation data to

-- Accurately profile current and prospective customers, members,

or constituents.

-- Reveal untapped potential in existing markets.

-- Tailor marketing campaigns and merchandise mix to consumer

markets.

-- Define markets for expansion efforts.

For more information, call 800-292-2224/East or 800-394-3690/West. Visit ESRI BIS on the Web at www.esribis.com.

About ESRI BIS

ESRI Business Information Solutions, a division of ESRI, offers a comprehensive range of products and services including market analysis, customer profiling and segmentation, site selection, and competitive analysis. These applications, integrated into ESRI technology, are producing superior solutions for companies of all sizes across all industries. For more information, visit the ESRI BIS Web site at www.esribis.com.

ACORN and Community are trademarks, service marks, or registered trademarks of ESRI Business Information Solutions in the United States. The ESRI globe logo is a trademark, registered trademark, or service mark of ESRI in the United States, the European Community, or certain other jurisdictions and is used by ESRI BIS under license. Other companies and products mentioned herein are trademarks or registered trademarks of their respective trademark owners.

About Acxiom

Acxiom Corporation (Nasdaq:ACXM) integrates data, services, and technology to create and deliver customer and information management solutions for many of the largest, most respected companies in the world. The core components of Acxiom's innovative solutions are Customer Data Integration (CDI) technology, data, database services, IT outsourcing, consulting and analytics, and privacy leadership. Founded in 1969, Acxiom is headquartered in Little Rock, Arkansas, with locations throughout the United States and in the United Kingdom, France, Australia, and Japan. For more information, visit www.acxiom.com.

Acxiom is a trademark of the Acxiom Corporation.