Insituform Technologies, Inc. (Nasdaq Global Select Market: INSU) announced June 15 that it has been awarded a $9.1 million contract by the City and County of Honolulu, Hawaii. Upon completion of the project, nearly 8,000 feet of 8-inch to 30-inch deteriorating sewer pipe, the majority of which is located under Kalanianaole Highway, will be cleaned, inspected and rehabilitated with Insituform CIPP. Insituform has completed over $30 million in pipeline rehabilitation for Honolulu since 2005.

For the past three years, the City and County of Honolulu has been implementing a 10-year capital improvement plan. The City and County expects to spend approximately $30 million annually on the rehabilitation and replacement of its water, sewer and stormwater pipelines.

“The City and County of Honolulu recognizes the need for pipeline rehabilitation and the benefits of trenchless technology to this project,” said Joe Lane, General Manager for Insituform’s West Region. “Compared to traditional dig and replace methods, Insituform CIPP allows the City and County to upgrade their system at a lower cost and with less disruption to citizens and businesses,” Lane continued.

Work on this latest project is expected to begin in September 2009 and be completed in the first quarter of 2011. The project also includes the inspection and cleaning of an additional 6,000 feet of sewer pipelines, the rehabilitation of manholes and the rehabilitation of three inverted siphons located beneath a water inlet.

Insituform CIPP essentially provides a new pipe within the existing pipe. Because Insituform CIPP is installed using existing manholes, the project can be completed without digging. Air inversion steam cure (AISC), which can reduce the amount of water used during installation by nearly 95 percent, will be used to install most of the CIPP. The Insituform CIPP process is an affordable solution to rehabilitate sanitary sewers, storm sewers and force mains and can reduce infiltration, restore structural integrity and increase flow capacity.

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.

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