Insituform Technologies, Inc. Completes Acquisition of
                             Kinsel Industries, Inc.

Chesterfield, MO - February 28, 2001 - Insituform Technologies, Inc.
("Insituform") (NASDAQ National Market: INSUA) announced today that it has
completed the acquisition of Kinsel Industries, Inc. ("Kinsel"), a Houston,
Texas, company, as referenced in its previous announcement on January 16, 2001.
The purchase price was $80 million, consisting of $15.35 million in cash and
notes and the balance in Insituform's stock.

Anthony W. (Tony) Hooper, Chairman of the Board, President and Chief Executive
Officer of Insituform, stated that, "We are very pleased to have completed this
transaction. It is our plan to immediately offer our customers the broader array
of rehabilitation products now handled by the combined company. With this
addition, we will be able to better satisfy the full range of customer needs. We
continue to expect the Kinsel acquisition to be a positive contributor to
Insituform's growth."

Insituform Technologies, Inc. is a leading worldwide provider of
proprietary technologies and services for rehabilitating sewer, water and
other underground piping systems without digging and disruption.  More
information about Insituform can be found on its Internet site at
www.insituform.com.
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This press release contains forward-looking statements, which are inherently
subject to risks and uncertainties that could cause actual results to differ
materially from those projected. Factors which could affect results include,
among others, the competitive environment for Insituform's products and
services, the geographical distribution and mix of Insituform's work, and other
factors set forth in reports and documents filed by Insituform with the
Securities and Exchange Commission from time to time. Please use caution and do
not place reliance on forward-looking statements.

CONTACT:  Insituform Technologies, Inc.
          Joseph A. White, Vice President and CFO
          (636) 530-8000