Tenneco Third Quarter 2006 Earnings News Release and Conference Call Notice

LAKE FOREST, Ill., Sept. 27 -- Tenneco Inc. plans to issue its third quarter 2006 earnings news release before the market opens on Tuesday, October 24, 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 Tuesday, October 24, 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:  Tuesday, October 24, 2006
                    The conference call will be hosted by the members of the
                    Office of the Chief Executive:
                    -- Tim Donovan, executive vice-president, strategy and
                       business development, and general counsel;
                    -- Hari Nair, executive vice president and managing
                       director, Europe, South America and India;
                    -- Ken Trammell, executive vice president and chief
                       financial officer;
                    -- Neal Yanos, senior vice president and general
                       manager, North American original equipment, ride
                       control and aftermarket.

  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
                    Tuesday, October 24, 2006, through November 24, 2006.
                    Call 800-947-6450 (domestic) or 203-369-3539
                    (international).

  Website
  Broadcast:        http://www.tenneco.com/
                    For a "listen only" broadcast, go to the company's
                    website and select the "Investors" page.  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 webcast also
                    will be available on the Tenneco website through
                    November 24, 2006.

                    Accompanying slides will be available in the investor
                    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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