Gundle/SLT to Announce 2Q Profits on August 11 and Host Conference Call

Date: July 28, 2006

Source: Gundle/SLT Environmental, Inc.

Gundle/SLT Environmental, Inc. (GSE), will release its second quarter 2006 financial and operating results on Thursday, August 10, 2006. The Company will host a conference call Friday, August 11, 2006, at 10:00 a.m. (ET). This call will discuss results of operations for the first six months of 2006 and answer questions from participants.

Note holders may join the conference call by dialing 1.800.967.7134 or, if calling from outside the United States 719.457.2625, and enter conference ID#2142044. The conference call will also be broadcast live over the Internet. To access the webcast, go to the GSE web site at www.gseworld.com and select "Events and Webcasts" in the "Investor Relations" section. Please log on to the web site at least 15 minutes prior to the start of the call to register and to download and install any necessary audio software.

If you are unable to participate in the live call, the webcast of the conference call will be available at the web site listed above following the event and will be available until the close of business August 28, 2007.

About Gundle/SLT Environmental, Inc.

Gundle/SLT Environmental, Inc. headquartered in Houston, is a global manufacturer and marketer of geosynthetic lining solutions, products and services used in the containment and management of solids, liquids and gases for organizations engaged in waste management, mining, water and wastewater treatment, and aquaculture.

Additional information is available at www.gseworld.com.

Sign up to receive our free Weekly News Bulletin