LAKE FOREST, ILLINOIS, AUGUST 14, 2002 - Tenneco Automotive (NYSE: TEN) announced today that Chairman and CEO Mark P. Frissora and Senior Vice President and Chief Financial Officer Mark McCollum have submitted to the U.S. Securities and Exchange Commission certifications relating to the company's 2001 Form 10-K and subsequently filed SEC reports. These actions are in response to a June 27, 2002 order by the SEC requiring large publicly traded companies to certify the absence of material misstatements and omissions from these reports and similar requirements of the Sarbanes-Oxley Act of 2002.

Tenneco Automotive SEC filings and other financial information can be found in the financial section of this web site.

Tenneco Automotive is a $3.4 billion manufacturing company with headquarters in Lake Forest, Ill., and approximately 21,000 employees worldwide. Tenneco Automotive is one of the world's largest producers and marketers of ride control and exhaust systems and products, which are sold under the Monroe® and Walker® global brand names. Among its products are Sensa-Trac® and Reflex™ shocks and struts, Rancho® shock absorbers, Walker® Quiet-Flow™ mufflers and DynoMax® performance exhaust products, and Monroe® Clevite™ vibration control components.

CONTACT:
Tenneco Automotive, Media Relations
Jane Ostrander
(1) 847 482 5607
jane.ostrander@tenneco-automotive.com

Tenneco Automotive, Investor Relations
Leslie Hunziker
(1) 847 482 5042
leslie.hunziker@tenneco-automotive.com

LAKE FOREST, ILLINOIS, AUGUST 14, 2002 - Tenneco Automotive (NYSE: TEN) announced today that Chairman and CEO Mark P. Frissora and Senior Vice President and Chief Financial Officer Mark McCollum have submitted to the U.S. Securities and Exchange Commission certifications relating to the company's 2001 Form 10-K and subsequently filed SEC reports. These actions are in response to a June 27, 2002 order by the SEC requiring large publicly traded companies to certify the absence of material misstatements and omissions from these reports and similar requirements of the Sarbanes-Oxley Act of 2002.

Tenneco Automotive SEC filings and other financial information can be found in the financial section of this web site.

Tenneco Automotive is a $3.4 billion manufacturing company with headquarters in Lake Forest, Ill., and approximately 21,000 employees worldwide. Tenneco Automotive is one of the world's largest producers and marketers of ride control and exhaust systems and products, which are sold under the Monroe® and Walker® global brand names. Among its products are Sensa-Trac® and Reflex™ shocks and struts, Rancho® shock absorbers, Walker® Quiet-Flow™ mufflers and DynoMax® performance exhaust products, and Monroe® Clevite™ vibration control components.

CONTACT:
Tenneco Automotive, Media Relations
Jane Ostrander
(1) 847 482 5607
jane.ostrander@tenneco-automotive.com

Tenneco Automotive, Investor Relations
Leslie Hunziker
(1) 847 482 5042
leslie.hunziker@tenneco-automotive.com

LAKE FOREST, ILLINOIS, AUGUST 14, 2002 - Tenneco Automotive (NYSE: TEN) announced today that Chairman and CEO Mark P. Frissora and Senior Vice President and Chief Financial Officer Mark McCollum have submitted to the U.S. Securities and Exchange Commission certifications relating to the company's 2001 Form 10-K and subsequently filed SEC reports. These actions are in response to a June 27, 2002 order by the SEC requiring large publicly traded companies to certify the absence of material misstatements and omissions from these reports and similar requirements of the Sarbanes-Oxley Act of 2002.

Tenneco Automotive SEC filings and other financial information can be found in the financial section of this web site.

Tenneco Automotive is a $3.4 billion manufacturing company with headquarters in Lake Forest, Ill., and approximately 21,000 employees worldwide. Tenneco Automotive is one of the world's largest producers and marketers of ride control and exhaust systems and products, which are sold under the Monroe® and Walker® global brand names. Among its products are Sensa-Trac® and Reflex™ shocks and struts, Rancho® shock absorbers, Walker® Quiet-Flow™ mufflers and DynoMax® performance exhaust products, and Monroe® Clevite™ vibration control components.

CONTACT:
Tenneco Automotive, Media Relations
Jane Ostrander
(1) 847 482 5607
jane.ostrander@tenneco-automotive.com

Tenneco Automotive, Investor Relations
Leslie Hunziker
(1) 847 482 5042
leslie.hunziker@tenneco-automotive.com

LAKE FOREST, ILLINOIS, AUGUST 14, 2002 - Tenneco Automotive (NYSE: TEN) announced today that Chairman and CEO Mark P. Frissora and Senior Vice President and Chief Financial Officer Mark McCollum have submitted to the U.S. Securities and Exchange Commission certifications relating to the company's 2001 Form 10-K and subsequently filed SEC reports. These actions are in response to a June 27, 2002 order by the SEC requiring large publicly traded companies to certify the absence of material misstatements and omissions from these reports and similar requirements of the Sarbanes-Oxley Act of 2002.

Tenneco Automotive SEC filings and other financial information can be found in the financial section of this web site.

Tenneco Automotive is a $3.4 billion manufacturing company with headquarters in Lake Forest, Ill., and approximately 21,000 employees worldwide. Tenneco Automotive is one of the world's largest producers and marketers of ride control and exhaust systems and products, which are sold under the Monroe® and Walker® global brand names. Among its products are Sensa-Trac® and Reflex™ shocks and struts, Rancho® shock absorbers, Walker® Quiet-Flow™ mufflers and DynoMax® performance exhaust products, and Monroe® Clevite™ vibration control components.

CONTACT:
Tenneco Automotive, Media Relations
Jane Ostrander
(1) 847 482 5607
jane.ostrander@tenneco-automotive.com

Tenneco Automotive, Investor Relations
Leslie Hunziker
(1) 847 482 5042
leslie.hunziker@tenneco-automotive.com

LAKE FOREST, ILLINOIS, AUGUST 14, 2002 - Tenneco Automotive (NYSE: TEN) announced today that Chairman and CEO Mark P. Frissora and Senior Vice President and Chief Financial Officer Mark McCollum have submitted to the U.S. Securities and Exchange Commission certifications relating to the company's 2001 Form 10-K and subsequently filed SEC reports. These actions are in response to a June 27, 2002 order by the SEC requiring large publicly traded companies to certify the absence of material misstatements and omissions from these reports and similar requirements of the Sarbanes-Oxley Act of 2002.

Tenneco Automotive SEC filings and other financial information can be found in the financial section of this web site.

Tenneco Automotive is a $3.4 billion manufacturing company with headquarters in Lake Forest, Ill., and approximately 21,000 employees worldwide. Tenneco Automotive is one of the world's largest producers and marketers of ride control and exhaust systems and products, which are sold under the Monroe® and Walker® global brand names. Among its products are Sensa-Trac® and Reflex™ shocks and struts, Rancho® shock absorbers, Walker® Quiet-Flow™ mufflers and DynoMax® performance exhaust products, and Monroe® Clevite™ vibration control components.

CONTACT:
Tenneco Automotive, Media Relations
Jane Ostrander
(1) 847 482 5607
jane.ostrander@tenneco-automotive.com

Tenneco Automotive, Investor Relations
Leslie Hunziker
(1) 847 482 5042
leslie.hunziker@tenneco-automotive.com