EXHIBIT 1 AGREEMENT, dated as of July 25, 1997, by and among Insituform Technologies, Inc., a Delaware corporation (the "Company"); Jerome Kalishman ("Mr. Kalishman"), Nancy F. Kalishman ("Mrs. Kalishman"), The Jerome and Nancy Kalishman Family Fund...Shareholder Agreement • July 29th, 1997 • Interstate Properties Roth Steven Wight Russell Jr • Delaware
