DAYTON, Ohio, October 27, 2006 -- Teradata, a division of NCR Corporation (NYSE: NCR), announced today that Tenneco Inc. (NYSE: TEN), a leading global automotive parts manufacturer, is deploying Teradata technology to build its global business-reporting environment into a true enterprise data warehouse. Teradata is providing Tenneco a data warehouse with its market-leading analytical software, Manufacturing Logical Data Model (MLDM) and professional and customer services. The new system also includes data integration software from Teradata partner IBM IIS, formerly Ascential Datastage.

"Further developing a global business-reporting environment at Tenneco is critical to our long-term success. This technology provides a more detailed view of our operations, which enhances our ability to analyze and take actions quickly," said H. William Haser, Tenneco vice president and chief information officer.

As verified by current Teradata automotive clients, Teradata's MLDM expedites the planning and implementation process. Tenneco will be able to measure progress more accurately, realizing a faster return on investment for the enterprise data warehouse.

"Tenneco is the first auto parts supplier to use our technology and MLDM, and we expect the company will see very positive changes almost immediately through the improved data visibility that delivers a new depth of reporting," said Dan Odette, vice president of manufacturing solutions for Teradata.

About Teradata Division

Teradata, (www.teradata.com) 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 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 Teradata® data warehouses, ATMs, retail systems, self-service solutions and IT services provide Relationship Technology™ that maximizes the value of customer interactions and helps organizations create a stronger competitive position. Based in Dayton, Ohio, NCR (www.ncr.com) employs approximately 29,300 people worldwide.

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

Contact: D'Anne Hotchkiss, Teradata Division, NCR Corporation
Telephone: (609) 275-9325 
E-mail: d'anne.hotchkiss@teradata-ncr.com 
Contact: Ron Margulis, RAM Communications
Telephone: (908) 272-3930
E-mail: ron@rampr.com