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United Pipeline Systems Awarded $10.9 Million Contract for Work on Mining Project

SAINT LOUIS, MO, January 13, 2010 – Insituform Technologies, Inc. (Nasdaq Global Select Market: INSU) announced today that United Pipeline Systems, a division of Insituform, has been awarded a $10.9 million contract for the supply and installation of its Tite Liner® solution on mining pipelines for the Sino Iron Ore project located in Western Australia.

United anticipates work on the project will commence in April 2010 and be completed by the end of July 2010. United expects to install more than 18.5 miles of its Tite Liner® solution on a new 32-inch steel magnetite concentrate pipeline. Tite Liner® is a high-density polyethylene liner designed to resist the abrasion and corrosion of slurry pipelines in energy and mining applications.

The Sino Iron Ore project will be one of the world’s largest mines and the first of its kind in Western Australia once it is operational. The mine will produce magnetite which, when used to manufacture steel, uses less carbon dioxide compared with other materials resulting in a more environmentally friendly manufacturing process.

Dorwin Hawn, Insituform’s Senior Vice President, Energy and Mining said, “We applaud Sino Iron’s commitment to invest in a long-term solution to ensure the integrity of its pipelines over time.”

About United Pipeline Systems
United Pipeline Systems is a global leader in providing high-density polyethylene (HDPE) lining systems for internal pipeline protection. United has constructed and internally lined more than 13,000 kilometers (8,000 miles) of pipelines on six continents since 1985. United developed the Tite Liner® system, which protects steel pipelines from a variety of chemicals and abrasives through a broad range of temperatures and pressures. More information about United can be found at www.unitedpipeline.com.

About Insituform Technologies, Inc.
Insituform Technologies, Inc. is a leading worldwide provider of proprietary technologies and services for rehabilitating sewer, water, energy and mining piping systems and the corrosion protection of industrial pipelines. More information about the Company can be found on its internet site at www.insituform.com.

Forward-Looking Statements
The Private Securities Litigation Reform Act of 1995 provides a “safe harbor” for forward-looking statements. The Company makes forward-looking statements in this news release that represent the Company’s beliefs or expectations about future events or financial performance. These forward-looking statements are based on information currently available to the Company and on management’s beliefs, assumptions, estimates or projections and are not guarantees of future events or results. When used in this document, the words “anticipate,” “estimate,” “believe,” “plan,” “intend,” “may,” “will” and similar expressions are intended to identify forward-looking statements, but are not the exclusive means of identifying such statements. Such statements are subject to known and unknown risks, uncertainties and assumptions, including those referred to in the “Risk Factors” section of the Company’s Annual Report on Form 10-K for the year ended December 31, 2008, as filed with the Securities and Exchange Commission on March 2, 2009, and in our subsequent quarterly reports on Form 10-Q. In light of these risks, uncertainties and assumptions, the forward-looking events may not occur. In addition, our actual results may vary materially from those anticipated, estimated, suggested or projected. Except as required by law, we do not assume a duty to update forward-looking statement, whether as a result of new information, future events or otherwise. Investors should, however, review additional disclosures made by the Company from time to time in its periodic filings with the Securities and Exchange Commission. Please use caution and do not place reliance on forward-looking statements. All forward-looking statements made by the Company in this news release are qualified by these cautionary statements. Insituform®, United®, Tite Liner® and the Insituform® logo are the registered trademarks of Insituform Technologies, Inc. and/or its affiliates.

For more information, contact:
David F. Morris
Senior Vice President and Chief Administrative Officer
636-530-8000