On September 13, 2016, Christopher B. Curtis, a member of the Board of Directors of Aegion Corporation, notified the Board that he was resigning as a director of the company effective on September 30, 2016. Effective August 1, 2016, Mr. Curtis was appointed as Chief Executive Officer of Wencor Group. Mr. Curtis' resignation from the Board was a result of the increased demands on his time in fulfilling the responsibilities associated with his new role as Chief Executive Officer of Wencor Group and not as a result of any disagreement with Aegion, the company's management or the Board.