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TerraTherm and AIG Engineering Group form Partnership for ISTD in the UK

July 2006

In June 2006, TerraTherm, Inc. and AIG Engineering Group Limited (AIGE) concluded negotiations for AIGE to become the sub-licensee of the ISTD technology in the United Kingdom. This sublicense agreement between AIGE and TerraTherm follows the successful completion of a pilot test at the UK Atomic Energy Commission's Harwell Site. At the Harwell Site, ISTD heaters were used to thermally enhance an existing soil-vapor extraction system (TESVE). The results of this pilot test showed a substantial increase in contaminant removal with the use of ISTD heaters. A multi-year phased implementation of TESVE is planned for the Harwell Site.

ISTD is rapidly becoming recognized as one of the most effective methods of treating sites heavily contaminated with organic chemicals. By efficiently and uniformly heating the affected soil, ISTD literally cooks the contamination out of the ground, leaving behind a clean site in just a few months. The process has been utilized at numerous sites in the U.S., including for the utility and chemical industries.

AIG Engineering Group Limited is a member company of American International Group, Inc. (AIG). AIGE specializes in environmental and geotechnical consulting, turnkey remediation services, loss prevention and control advice, and Brownfield property service.

About TerraTherm

TerraTherm, Inc. is a worldwide leader in the development and implementation of in situ thermal remediation of source zones and hazardous waste. We design, build and operate projects from concept to closure, using Thermal Conduction Heating (TCH), Steam Enhanced Extraction (SEE) and Electrical Resistance Heating (ERH). With offices in Fitchburg, MA, Keene, CA, and Atlanta, GA, and licensees such as Kruger A/S (Denmark and Sweden), AIG Engineering, Ltd. (UK), and SheGoTec (Japan), we offer services worldwide. For more information, visit www.terratherm.com.

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