Tenneco will participate in the 30th Annual Gabelli Automotive Aftermarket Symposium Conference to be held in Las Vegas, on Tuesday, October 31, 2006. Ken Trammell, the company’s Executive Vice President and Chief Financial Officer, will present at 10:45 a.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 http://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 November 30, 2006. Tenneco is a $4.4 billion manufacturing company with headquarters in Lake Forest, Illinois and approximately 19,000 employees worldwide.