Tenneco Automotive Inc. (ticker: TEN, exchange: New York Stock Exchange) News Release

July 20, 2010

Lake Forest, Illinois, July 20, 2010 – Tenneco Inc. (NYSE: TEN) is rescheduling its second quarter conference call to 9:00a.m. ET on Thursday, July 29, 2010. The second quarter 2010 earnings news release will be issued before the market opens the same day. 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.
News Release: Before the market opens on Thursday, July 29, 2010. The news release will be sent by email to the Tenneco investor distribution list and will be available on First Call, Business Wire and the Tenneco website.
Conference Call: Thursday, July 29, 2010
The conference call will be hosted by Gregg Sherrill, chairman and chief executive officer and Ken Trammell, executive vice president and chief financial officer.
Time: 9:00 a.m. Eastern time
8:00 a.m. Central time
Phone Numbers: 877-917-9492 (domestic)
312-470-7278 (international)
Pass Code: TENNECO
Conference Leader: Linae Golla
Call Playback: Available one hour following completion of the call on Thursday, July 29, 2010, through August 30, 2010. Call 800-925-1773 (domestic) or 402-220-3092 (international).
Web Site Broadcast:

For a "listen only" broadcast, go to the company’s website and select the "Financial/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 August 30, 2010.
Tenneco is a $4.6 billion global manufacturing company with headquarters in Lake Forest, Illinois and approximately 21,000 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.

Linae Golla
Investor inquiries
847 482-5162

Jane Ostrander
Media inquiries
847 482-5607