Company Finds Four Companies Counterfeiting Its Clevite Elastomers, Harris Bushings

LAS VEGAS, NEVADA, November 6, 2003 - Tenneco Automotive (NYSE: TEN) announced today that the company, working with AAPEX trade show officials, successfully stopped four companies from continuing to display counterfeited Tenneco Automotive elastomer products at the show. The counterfeit products - bushings sold in the replacement parts market-infringe Tenneco Automotive's rights in the well-known Clevite® Elastomers and Harris™ brands.

"Increasingly, we are seeing evidence of counterfeiting products in the aftermarket across a broad spectrum of products lines," said Timothy Donovan, Executive Vice President and General Counsel, Tenneco Automotive. "We felt that it was necessary to take an immediate step to begin addressing this problem. We are committed to protecting the trademarks of our strong brands such as the Clevite Elastomers brand, which is valued in our industry and represents very high standards in terms of quality and innovation. We will continue to investigate and stamp out counterfeiting in the marketplace and will take legal action where appropriate against unauthorized use of our property and trading on our good name and goodwill."

Tenneco Automotive took the action against the following companies with booths at the show:

• Hill/Progressive Gear Industries, Delhi, India
• Keystone Company Ltd., Shihueng-City, South Korea
• Sheng Mhau, Taiping Taichung Hsien, Taiwan
• Altezza Company Ltd., Taipei, Taiwan

These companies were displaying counterfeit bushings with the Clevite Elastomers and/or Harris brand names, as well as Tenneco Automotive's part numbers and Rubber Manufacturers Association codes.

Tenneco Automotive is a leader in developing and manufacturing elastomer products for the light vehicle and heavy-duty markets, both as replacement parts and as original equipment components. These products are marketed under the respected Clevite Elastomers and Harris brands, and include a broad range of bushings, torque rods, mounts, links, and exhaust isolators.

Tenneco Automotive is a $3.5 billion manufacturing company with headquarters in Lake Forest, Illinois and approximately 19,600 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.

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

Tenneco Automotive, Investor Relations
Leslie Hunziker
(1) 847 482 5042
leslie.hunziker@tenneco-automotive.com