Philadelphia Awards Insituform $6.0 Million Contract to Rehabilitate Sewer Pipes, Preserve Tacony Creek Park

Project Will Fix Pipes With Little Disruption to Park’s Urban Meadows

• Press Release
• Source: Insituform Technologies, Inc.
• On 10:21 am EDT, Thursday August 27, 2009

ST. LOUIS--(BUSINESS WIRE)--The Philadelphia Water Department (“PWD”) has awarded Insituform Technologies, Inc. (Nasdaq Global Select Market: INSU) a $6.0 million contract to rehabilitate approximately 10,000 feet of sanitary sewer pipes that run beneath the urban meadows of one of Philadelphia’s largest parks. Insituform’s leading technology, cured-in-place pipe (CIPP), will allow the company to do this work and protect the park from digging and disruption.

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The project will rehabilitate 12-inch to 60-inch diameter sanitary sewers that primarily lie underneath Tacony Creek Park, which includes 302 acres of meadows, wetlands, green space and 2.5 miles of creekside trails inside the Olney Neighborhood on the north side of Philadelphia. Work on this project, with pipes estimated to be over 100-years old, will begin in November 2009 and take approximately one year to complete.

Philadelphia has a long-standing tradition of being a leader in water technologies. In fact, Philadelphia created the nation’s first water system in the 19^th century. Jeff Twardzik, Assistant Engineering Supervisor for the Philadelphia Water Department, said, “This process allows us to stay at the forefront of technology and completely rehabilitate the sewer without disrupting the local ecosystem and park areas. The project will also be running concurrently with a stream restoration project and a combined sewer overflow project in the same area. The Insituform process allows us to work alongside these important projects without interruption. PWD is excited to be working with Insituform again.”

The Insituform® CIPP process is Insituform’s core technology and an affordable solution used to reduce infiltration, restore structural integrity and increase flow capacity.

A pre-qualified contractor, Insituform has worked with Philadelphia Water on various projects for over twenty years. As the general contractor on this project, Insituform will utilize local minority contractors for various aspects of this project.

For photography, an interview, or more information on the CIPP process and how it works, please contact Aura Joyce at 636-530-8775 or ajoyce@insituform.com.

About Insituform

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 and the Insituform® logo are the registered trademarks of Insituform Technologies, Inc. and its affiliates.

Insituform Technologies, Inc.
David F. Morris, 636-530-8000
Senior Vice President and Chief Administrative Officer