Tenneco Automotive Third Quarter 2005 Earnings News Release and Conference Call Notice

LAKE FOREST, Ill., Oct. 5, 2005 -- Tenneco Automotive plans to issue its third quarter 2005 earnings news release before the market opens on Tuesday, October 25, 2005 and hold a conference call the same day at 10:30 a.m. 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 Tuesday, October 25, 2005.  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: Tuesday, October 25, 2005
                   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:   888-790-1408 (domestic)
                   (1) 773-756-0157 (international)

  Pass Code:       TENNECO AUTO

  Conference       Leslie Hunziker
  Leader:

  Call Playback:   Available one hour following completion of the call on
                   Tuesday, October 25, 2005 through November 23, 2005.
                   Call 866-365-2447 (domestic) or 203-369-0216
                   (international).

  Website Broadcast: http://www.tenneco-automotive.com/
   For a "listen only" broadcast, go to the company's
   website and select the "live web cast" link.  Please go
   to the website 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
   through November 23, 2005.

Tenneco Automotive is a $4.2 billion manufacturing company with headquarters in Lake Forest, Illinois and approximately 18,400 employees worldwide. Tenneco Automotive 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 Automotive markets its products principally under the Monroe(R), Walker(R), Gillet(R) and Clevite(R)Elastomer brand names. Among its products are Sensa-Trac(R) and Monroe Reflex(R) shocks and struts, Rancho(R) shock absorbers, Walker(R) Quiet-Flow(R) mufflers, Dynomax(R) performance exhaust products, and Clevite(R)Elastomer noise, vibration and harshness control components.