Metropolitan St. Louis Sewer District Awards CIPP Contract to Aegion Subsidiary

Aegion Corporation ("Aegion" or the "Company") today announced that its subsidiary, Insituform Technologies USA, LLC ("Insituform"), has been awarded a contract valued at approximately $6.7 million from the Metropolitan St. Louis Sewer District (MSD). This award is in addition to the two contract awards valued at approximately $10.4 million announced in April 2013.

Over a twelve month period beginning in late September 2013, Insituform will install over 34 miles of Insituform® cured-in-place pipe (CIPP) in wastewater pipelines ranging from 8-inches in diameter to 60-inches in diameter throughout St. Louis City and County. This project is part of MSD’s multi-decade, $4.7 billion Capital Improvement and Replacement Plan.

Kenneth Foster, Vice President and General Manager of Insituform's North American Rehabilitation West Region, said, "Insituform has performed CIPP installations for MSD every year since 1984. We are proud to continue our partnership with MSD as it actively improves its system for the citizens and businesses throughout the St. Louis area."

About Aegion Corporation

Aegion Corporation is a global leader in infrastructure protection and maintenance, providing proprietary technologies and services: (i) to protect against the corrosion of industrial pipelines; (ii) to rehabilitate and strengthen water, wastewater, energy and mining piping systems and buildings, bridges, tunnels and waterfront structures; and (iii) to utilize integrated professional services in engineering, procurement, construction, maintenance and turnaround services for a broad range of energy related industries. More information about Aegion can be found on our internet site at

About Insituform Technologies USA, LLC

For over forty years, Insituform Technologies USA, LLC, a subsidiary of Aegion Corporation, has been a global leader in the development and installation of proprietary technologies and services for rehabilitating sewer, water and other underground piping systems without digging or disruption. More information about Insituform Technologies can be found on its Internet site at


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