LAKE FOREST, ILLINOIS, MARCH 29, 2004 - Tenneco Automotive (NYSE: TEN) has received a 2003 Vendor of the Year Award from Advance Auto Parts, recognizing the company as a top performing, service-oriented supplier during the past year. The Award was announced at the recently held Advance Auto Parts Leadership Conference.

Advance Auto Parts, the second largest automotive retailer in the United States, annually selects from among hundreds of its suppliers Vendor of the Year recipients based on outstanding service, product quality and customer support.

"We are pleased to receive the award and proud of our strong partnership with Advance," said Mark P. Frissora, chairman and CEO, Tenneco Automotive. "The award reflects our commitment to providing customers with exceptional brands, premium products and outstanding customer service."

To receive the Vendor of the Year Award, a company must demonstrate: excellence in category management; high order fill; creativity in developing breakthrough products and marketing initiatives; effective training; and innovative advertising and promotions.

Tenneco Automotive supplies all of the 2,500+ Advance Auto Parts stores located in 39 states, Puerto Rico and the Virgin Islands with the full line of Tenneco Automotive ride control products, emission control products, and automotive accessories. These products are sold under the Monroe®, Walker®, Rancho®, Dynomax®, and DuPont® brand names. Advance Auto Parts retails under the well-known names of Advance Auto Parts, Discount Auto Parts, and Western Auto stores in Puerto Rico.

Tenneco Automotive is a $3.8 billion manufacturing company with headquarters in Lake Forest, Illinois and approximately 19,200 employees worldwide. Tenneco Automotive is one of the world's largest producers and marketers of ride control and exhaust systems and products, which are sold under the Monroe® and Walker® global brand names. Among its products are Sensa-Trac® and Monroe Reflex® shocks and struts, Rancho® shock absorbers, Walker® Quiet-Flow® mufflers and DynoMax® performance exhaust products, and Monroe® Clevite® vibration control components./p>

CONTACT:
Tenneco Automotive, Media Relations
Jane Ostrander
(1) 847 482 5607
jane.ostrander@tenneco-automotive.com

Tenneco Automotive, Investor Relations
Leslie Hunziker,
847/482-5042
leslie.hunziker@tenneco-automotive.com