Tenneco First Quarter 2006 Earnings News Release and Conference Call Notice

LAKE FOREST, Ill., April 5 -- Tenneco Inc. plans to issue its first quarter 2006 earnings news release before the market opens on Thursday, April 27, 2006 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.

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

  News Release:  Before the market opens on Thursday, April 27, 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, April 27, 2006
                 The conference call will be hosted by Mark Frissora,
                 chairman and CEO and Ken Trammell, executive 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     Leslie Hunziker
  Leader:

  Call Playback: Available one hour following completion of the call on
                 Thursday, April 27, 2006 through May 27, 2006.  Call 866-
                 422-8164 (domestic) or 203-369-0833 (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 web site through May 27, 2006.

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

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(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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