LAKE FOREST, ILLINOIS, AUGUST 31, 2006 – Tenneco (NYSE: TEN) will participate in the 2006 Credit Suisse Global Automotive Conference to be held in New York, on Thursday, September 7, 2006. Ken Trammell, the company's Executive Vice President and Chief Financial Officer, will present at 1:45 p.m. ET.

Tenneco's presentation will be audio webcast and can be accessed by going to the "Investors" portion of the company's web site at www.tenneco.com. A copy of the slides also will be available under the "Presentation" tab in this section of the web site. A replay of the webcast will be available through October 7, 2006.

Tenneco is a $4.4 billion manufacturing company with headquarters in Lake Forest, Illinois and approximately 19,000 employees worldwide. Tenneco is one of the world's largest designers, manufacturers and marketers of emission control and ride control products and systems for the automotive original equipment market and the aftermarket. Tenneco markets its products principally under the Monroe®, Walker®, Gillet® and Clevite® Elastomer brand names.

CONTACT:
Tenneco Media Relations
Jane Ostrander
(1) 847 482 5607
jostrander@tenneco.com

Tenneco Investor Relations
Leslie Hunziker
(1) 847 482 5042
lhunziker@tenneco.com