|Issuer:||AEGION CORP (AEGN)|
|Original Submission Date:|
WRIGHT PHILLIP D
17988 EDISON AVE.
CHESTERFIELD, MO 63005
|Title of Security||Transaction Date||2a. Deemed Execution Date||Transaction Code||Shares||Acquired or Disposed||Price per share||5. Amount of Securities Beneficially Owned Following Reported Transaction||6. Ownership Form Direct or Indirect||Nature of Indirect Ownership|
|Title of Derivative Security||Conversion or Exercise Price of Derivative Security||Transaction Date||Deemed Execution Date||Transaction Code||Number of Derivative Securities Acquired (A) or Disposed of (D)||Date Exercisable||Expiration Date||Title and Amount of Securities Underlying Derivative Security||Price of Derivative Security||Number of derivative Securities Beneficially Owned Following Reported Transaction(s)||Ownership Form: Direct (D) or Indirect (I)||Nature of Indirect Beneficial Ownership|
|f1||represents deferred stock units ("dsus") granted in lieu of the reporting person's 2020 first quarter cash retainer. the dsus equal the reporting person's quarterly retainer fee divided by the january 2, 2020 closing price of the issuer's common stock. each dsu represents the issuer's obligation to transfer one share of class a common stock, $0.01 par value per share ("common stock"), in accordance with the terms of the deferred stock unit agreement pursuant to which the dsus were granted. the dsus were granted under the issuer's non-employee director equity plan and are immediately vested upon grant. promptly following termination of the reporting person's service on the issuer's board of directors or at the reporting person's election of a specified distribution date, the issuer will distribute to the reporting person shares of common stock equal to the number of dsus reflected in the reporting person's account at such time.|