 ST. LOUIS, March 15, 2021 GLOBE NEWSWIRE -- Aegion Corporation NASDAQ: AEGN today announced that it has entered into an amendment to the definitive merger agreement with affiliates of New Mountain Capital, L.L.C. New Mountain, and together with such affiliates Buyer, a leading growth-oriented investment firm headquartered in New York, to increase the consideration payable to holders of outstanding shares of Aegion common stock to 27.00 per share in cash from 26.00 per share in cash. The revised transaction price represents a total enterprise value of 995 million, including net debt. The revised per-share price represents a premium of 25.9 and 33.2 to Aegions closing share price and 30-day VWAP, respectively, as of February 12, 2021, the last trading day prior to announcing the definitive merger agreement with New Mountain. 