DAYTON, Ohio, Oct. 13, 2004 -- Teradata, a division of NCR Corporation (NYSE:NCR), today announced that Wal-Mart has expanded its Teradata(R) data warehouse, increasing its lead as the largest retail data warehouse in the world. The move adds to Wal-Mart's competitive advantage by allowing the company to enhance current applications and deploy new applications that improve Wal-Mart's capabilities to service their customers.

In addition to the application activities used in servicing Wal-Mart's customers, the Teradata warehouse at Wal-Mart is the foundation for the company's Retail Link decision-support system between Wal-Mart and its vendors. Retail Link allows suppliers to access large amounts of online, real-time, item-level data that can help those companies improve their operations.

"Wal-Mart's decision to expand its Teradata warehouse reflects their continuing confidence in our expertise to support complex information and decision-support systems along with our ability to produce significant return on investment," said Mike Koehler, senior vice president of Teradata. "Wal-Mart is a best-in-class retailer, and we are proud to provide them with best-in-class data warehousing solutions.

" About Wal-Mart

Wal-Mart Stores, Inc. operates Wal-Mart Stores, Supercenters, Neighborhood Markets and SAM'S CLUB locations in the United States. Internationally, the company operates in Puerto Rico, Canada, China, Mexico, Brazil, Germany, United Kingdom, Argentina and South Korea. The company's securities are listed on the New York and Pacific stock exchanges under the symbol WMT.

About Teradata Division

Teradata, a division of NCR Corporation (NYSE:NCR), is the global technology leader in enterprise data warehousing, analytic applications and data warehousing services. Organizations around the world rely on the power of Teradata's award-winning solutions (www.teradata.com) to get a single, integrated view of their business to enhance decision-making, customer relationships and profitability.

About NCR Corporation

NCR Corporation (NYSE:NCR) is a leading global technology company helping businesses build stronger relationships with their customers. NCR's ATMs, retail systems, Teradata(R) data warehouses and IT services provide Relationship Technology(TM) solutions that maximize the value of customer interactions and help organizations create a stronger competitive position. NCR (www.ncr.com) is based in Dayton, Ohio.

NCR and Teradata are trademarks or registered trademarks of NCR Corporation in the United States and other countries.

Teradata Division
NCR Corporation
Marchela Roca, 770-623-7024
marchela.roca@teradata-ncr.com
or
Wal-Mart Stores, Inc. 
Gus Whitcomb, 479-273-4314
a0whitc@wal-mart.com