ST. LOUIS, MO, April 19, 2016 — Aegion Corporation (“Aegion” or the “Company”) (Nasdaq
Bo Botteicher Frank Firsching for web Global Select Market: AEGN) today announced that Frank Firsching has been named the President of its Infrastructure Solutions platform and will have direct responsibility for the overall growth and profitability of the North America and European Insituform business, Underground Solutions, Inc. and Fyfe/Fibrwrap North and South America. In 2015, this business reported over $550 million in revenues.

Charles R. Gordon, Aegion President and CEO said, “I have known and worked with Frank for many years and have full confidence in his ability to lead the Infrastructure Solutions platform. I am looking forward to the contributions he will make to the Infrastructure Solutions platform and to the Aegion senior leadership team.”

Mr. Firsching has been with Underground Solutions since 2006 as part of its executive leadership team. As General Manager, he led sales, marketing, operations, engineering and technology development. Aegion completed the acquisition of Underground Solutions in February 2016.

Mr. Firsching has almost 30 years of experience in leadership positions in industrial, manufacturing and water and wastewater companies, including 14 years at USFilter Corporation. As President, Water & Wastewater Systems Group for USFilter from 2001 to 2006, Mr. Firsching was responsible for the profit & loss of the $1 billion business group. His responsibilities included overall business strategy, M&A, global sales & marketing, global operations and R&D. He graduated from the University of Virginia with a Bachelor of Science degree in Mechanical Engineering and from the Wharton School at the University of Pennsylvania with Masters of Business Administration.

Richard (Bo) Botteicher has been named General Manager for Underground Solutions and will be responsible for all operations, sales and marketing for the business. Mr. Botteicher was most recently the Vice President of Sales, Western Region, at Underground Solutions. Prior to that position, he spent nearly 10 years as a senior product engineer at Underground Solutions, specializing in technical support for projects, sales initiatives, operations, research and testing associated with Fusible PVC® pipe and its use. Mr. Botteicher received his Bachelor’s degree from Bucknell University in Lewisburg, Pennsylania and is a Professional Engineer in Colorado.

About Aegion Corporation
Aegion Corporation is a global leader in infrastructure protection and maintenance, providing proprietary technologies and services: (i) to protect against the corrosion of industrial pipelines; (ii) to rehabilitate and strengthen water, wastewater, energy and mining piping systems and buildings, bridges, tunnels and waterfront structures; and (iii) to utilize integrated professional services in engineering, procurement, construction, maintenance and turnaround services for a broad range of energy related industries. More information about Aegion can be found on our internet site at www.aegion.com.

About Underground Solutions, Inc.
Underground Solutions, Inc. is a leader in water and wastewater infrastructure and process technologies by providing infrastructure technologies for water, sewer and conduit applications. Underground Solutions Fusible PVC® products include, Fusible C-900®, Fusible C-905® and FPVC®, which contain a proprietary PVC formulation that, when combined with its patented fusion process, results in a monolithic, fully-restrained, gasket-free, leak-free piping system. Fusible C-900® and Fusible C-905® both comply with the AWWA standards AWWA C900 and C905, respectively and are certified to NSF 61. More information about Underground Solutions, Inc. can be found at www.undergroundsolutions.com.

Aegion®, Underground Solutions®, Fusible PVC® and the Aegion® logo are the registered trademarks of Aegion Corporation and its affiliates.

Photo: Richard “Bo” Botteicher and Frank Firsching at NASTT’s 2015 No-Dig Show