Kenneth Young Named Vice President and Treasurer for Insituform

Insituform Technologies, Inc. (Nasdaq Global Select Market: INSU) announced today it has named Kenneth L. Young as Vice President and Treasurer, effective April 13, 2009.

Mr. Young comes to Insituform with over 30 years of experience in treasury and financial management. He most recently served as the Chief Financial Officer, Secretary and Treasurer for Huttig Building Products, a public company based in St. Louis, Missouri, where he was responsible for treasury activities, internal financial operations, accounting, reporting and SEC compliance. Prior to that, he served as Corporate Treasurer for MEMC Electronic Materials. Mr. Young attended the University of Missouri, Columbia, where he earned a BS degree in finance and banking.

"I am delighted to bring Ken on board to add strength to our management team. Ken brings extensive international treasury and financial experience that will be very valuable as we continue to grow and diversify our Company globally. I look forward to his contributions to Insituform,” said David Martin, Vice President and Chief Financial Officer of Insituform Technologies, Inc.

About Insituform

Insituform Technologies, Inc. is a leading worldwide provider of proprietary technologies and services for rehabilitating sewer, water and other underground piping systems without digging or disruption and the corrosion protection of industrial pipelines. More information about the Company can be found on its Internet site at www.insituform.com.

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