Aegion Corporation to Announce Fourth Quarter and Year-End 2011 Financial Results and Hold Conference Call

Aegion Corporation (Nasdaq Global Select Market: AEGN) will issue its financial results for the quarter and year-ended December 31, 2011 on Monday, February 27, 2012 after market close.

Joe Burgess, President and Chief Executive Officer, will host a conference call on Tuesday, February 28, 2012 at 9:30 a.m. Eastern Standard 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 (www.aegion.com) or by using the following link: http://www.aegion.com/Investors/Webcasts

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. The webcast archive is available for one week.

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.

Contacts:

Aegion Corporation
Ruben Mella, 636-530-8000
Vice President Investor Relations and Corporate Communications