LAKE FOREST, ILLINOIS, MARCH 1, 2006 - Tenneco (NYSE: TEN) will participate in the Citigroup 19th Annual Global Industrial Manufacturing Conference to be held in New York, on Tuesday, March 7, 2006. Ken Trammell, the company's Executive Vice President and Chief Financial Officer, will present at 4:30 p.m. ET.

Tenneco's presentation will be webcast and can be accessed by going to the "Investors" portion of the company's web site at www.tenneco.com. A replay of this webcast will be available on the Tenneco web site through March 20, 2006.

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®, Walker®, Gillet® and Clevite®Elastomer brand names.

CONTACT:
Tenneco Media Relations
Jane Ostrander
(1) 847 482 5607
jostrander@tenneco.com

Tenneco Investor Relations
Leslie Hunziker
(1) 847 482 5042
lhunziker@tenneco.com

LAKE FOREST, ILLINOIS, MARCH 1, 2006 - Tenneco (NYSE: TEN) will participate in the Citigroup 19th Annual Global Industrial Manufacturing Conference to be held in New York, on Tuesday, March 7, 2006. Ken Trammell, the company's Executive Vice President and Chief Financial Officer, will present at 4:30 p.m. ET.

Tenneco's presentation will be webcast and can be accessed by going to the "Investors" portion of the company's web site at www.tenneco.com. A replay of this webcast will be available on the Tenneco web site through March 20, 2006.

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®, Walker®, Gillet® and Clevite®Elastomer brand names.

CONTACT:
Tenneco Media Relations
Jane Ostrander
(1) 847 482 5607
jostrander@tenneco.com

Tenneco Investor Relations
Leslie Hunziker
(1) 847 482 5042
lhunziker@tenneco.com

LAKE FOREST, ILLINOIS, MARCH 1, 2006 - Tenneco (NYSE: TEN) will participate in the Citigroup 19th Annual Global Industrial Manufacturing Conference to be held in New York, on Tuesday, March 7, 2006. Ken Trammell, the company's Executive Vice President and Chief Financial Officer, will present at 4:30 p.m. ET.

Tenneco's presentation will be webcast and can be accessed by going to the "Investors" portion of the company's web site at www.tenneco.com. A replay of this webcast will be available on the Tenneco web site through March 20, 2006.

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®, Walker®, Gillet® and Clevite®Elastomer brand names.

CONTACT:
Tenneco Media Relations
Jane Ostrander
(1) 847 482 5607
jostrander@tenneco.com

Tenneco Investor Relations
Leslie Hunziker
(1) 847 482 5042
lhunziker@tenneco.com

LAKE FOREST, ILLINOIS, MARCH 1, 2006 - Tenneco (NYSE: TEN) will participate in the Citigroup 19th Annual Global Industrial Manufacturing Conference to be held in New York, on Tuesday, March 7, 2006. Ken Trammell, the company's Executive Vice President and Chief Financial Officer, will present at 4:30 p.m. ET.

Tenneco's presentation will be webcast and can be accessed by going to the "Investors" portion of the company's web site at www.tenneco.com. A replay of this webcast will be available on the Tenneco web site through March 20, 2006.

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®, Walker®, Gillet® and Clevite®Elastomer brand names.

CONTACT:
Tenneco Media Relations
Jane Ostrander
(1) 847 482 5607
jostrander@tenneco.com

Tenneco Investor Relations
Leslie Hunziker
(1) 847 482 5042
lhunziker@tenneco.com

LAKE FOREST, ILLINOIS, MARCH 1, 2006 - Tenneco (NYSE: TEN) will participate in the Citigroup 19th Annual Global Industrial Manufacturing Conference to be held in New York, on Tuesday, March 7, 2006. Ken Trammell, the company's Executive Vice President and Chief Financial Officer, will present at 4:30 p.m. ET.

Tenneco's presentation will be webcast and can be accessed by going to the "Investors" portion of the company's web site at www.tenneco.com. A replay of this webcast will be available on the Tenneco web site through March 20, 2006.

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®, Walker®, Gillet® and Clevite®Elastomer brand names.

CONTACT:
Tenneco Media Relations
Jane Ostrander
(1) 847 482 5607
jostrander@tenneco.com

Tenneco Investor Relations
Leslie Hunziker
(1) 847 482 5042
lhunziker@tenneco.com