Press Releases

Tenneco Automotive Third Quarter 2004 Earnings News Release And Conference Call Notice

October 5, 2004

LAKE FOREST, ILLINOIS, OCTOBER 5, 2004 - Tenneco Automotive (NYSE: TEN) plans to issue its third quarter 2004 earnings news release before the market opens on Wednesday, October 20, 2004 and hold a conference call the same day at 10:30 am EDT. The purpose of the call is to discuss the company's results of operations for the last fiscal quarter, as well as other matters that may impact the company's outlook.

News Release: Before the market opens on Wednesday, October 20, 2004. The news release will be sent by email and fax to the Tenneco Automotive investor distribution list and will be available on First Call, PRNewswire and the Tenneco Automotive web site.
Conference Call: Wednesday, October 20, 2004  The conference call will be hosted by Mark Frissora, chairman and CEO and Ken Trammell, senior vice president and chief financial officer.
Time: 10:30 a.m. Eastern time 9:30 a.m. Central time
Phone Numbers: 888-399-8606 (domestic)
Pass Code: Tenneco Auto
Conference Leader: Leslie Hunziker
Call Playback: Available one hour following completion of the call on Wednesday, October 20, 2004 through 5:00 p.m. EDT, October 27, 2004.
Call 888-566-0635 (domestic) or 402-998-0730 (international)
Web Site Broadcast:

www.tenneco-automotive.comFor a "listen only" broadcast, go to the company's web site and select the "live web cast" link. Please go to the web site at least 15 minutes prior to the start of the call to register and download and install any necessary audio software. A replay of this call will also be available on the Tenneco Automotive web site.

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.

Tenneco Automotive, Media Relations
Jane Ostrander
(1) 847 482 5607

Tenneco Automotive, Investor Relations
Leslie Hunziker,