Tenneco Fourth Quarter and Full Year 2005 Earnings News Release and Conference Call Notice

LAKE FOREST, Ill., Jan. 4, 2006 -- Tenneco plans to issue its fourth quarter and full year 2005 earnings news release before the market opens on Thursday, January 26, 2006 and hold a conference call the same day at 10:30 a.m. EST. 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.

  (Logo:  http://www.newscom.com/cgi-bin/prnh/20051028/CGF002LOGO )

   News Release:     Before the market opens on Thursday, January 26, 2006.
                     The news release will be sent by email and fax to the
                     Tenneco investor distribution list and will be
                     available on First Call, PRNewswire and the Tenneco
                     website.

   Conference Call:  Thursday, January 26, 2006
                     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)
                     773-756-0157 (international)

   Pass Code:        TENNECO

   Conference
   Leader:           Leslie Hunziker

   Call Playback:    Available one hour following completion of the call on
                     Thursday, January 26, 2006 through February 26, 2006.
                     Call 866-356-3371 (domestic) or 203-369-0098
                     (international).

   Website
   Broadcast:        http://www.tenneco.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 website through
                     February 26, 2006.

                     Accompanying slides will also be available on the
                     financial section of the Tenneco website at
                     http://www.tenneco.com/ .

Tenneco is a $4.2 billion manufacturing company with headquarters in Lake Forest, Illinois and approximately 18,400 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(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.

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