Aegion Corporation (Nasdaq Global Select Market: AEGN) will issue its financial results for the quarter ended September 30, 2012 on Monday, October 29, 2012 after market close. J. Joseph Burgess, President and Chief Executive Officer, will host a conference call on Tuesday, October 30, 2012 at 9:30 a.m. Eastern Daylight Time to discuss business performance and outlook. After opening remarks, there will be a limited question and answer period. Any financial or statistical information presented during the call, including any non-GAAP measures, the most directly comparable GAAP measures and reconciliation to GAAP results, can be accessed by clicking on the Webcasts tab on the Investors page of Aegion’s website: http://www.aegion.com/Investors/Webcasts. EARNINGS RELEASE:Monday, October 29, 2012 – After market close LIVE CONFERENCE CALL WEBCAST:Tuesday, October 30, 2012, 9:30 a.m. Eastern Daylight Time.Listen-only, Toll free: 877-312-8824Listen-only, Toll: 408-940-3830Confirmation Code: 39167873 The conference call will be webcast live via the Internet on Aegion’s website ( www.aegion.com). To access the webcast, connect to the website five to ten minutes prior to the scheduled time. CONFERENCE CALL REPLAY: An audio archive of the webcast will be available beginning approximately two hours after the conclusion of the conference call through www.aegion.com/Investors/Webcasts. (we keep 4 quarters active on the website) Aegion Corporation is a global leader in infrastructure protection, providing proprietary technologies and services to protect against the corrosion of industrial pipelines and for the rehabilitation and strengthening of sewer, water, energy and mining piping systems and buildings, bridges, tunnels and waterfront structures. More information about Aegion can be found on its internet site at www.aegion.com.