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2 Deep and Talented Management Team Focused on Operational Transformation Travis Boone, PE Chief Executive Officer Scott Thanisch Chief Financial Officer ORION 30 Years of Industry Experience Leadership and management experience across the civil, utility / pipeline and commercial building construction industries • Formerly Regional Chief Executive of AECOM, leading a large multidisciplinary business since May 2017 Previously held other key leadership positions since 1999 with AECOM/URS. Several companies in the utility / pipeline construction and commercial building construction industries prior to that. • • 28 Years of Industry Experience Multi-disciplinary finance experience, including corporate development, FP&A, treasury, strategy and accounting across numerous industries Formerly Chief Financial Officer of a commercial construction services company and a $1 billion global aviation services company Experienced in corporate transformations, financial transactions, and digitization and process improvement • • • Scott Cromack Executive Vice President Orion Marine Group 30 Years of Industry Experience Recently served as a Senior Vice President at Texas Sterling Construction Held a number of construction and project management positions over his career with companies including Kiewit and Zachry Construction Executive experience in company restructuring, negotiation and resolution as well as division level management with profit and loss responsibilities Ardell Allred Executive Vice President TAS 30 Years of Industry Experience Held a number of construction and project management positions over his career with companies including Kiewit and Zachry Construction SVP of Operations since 2019 Implemented cost savings strategies and project forecasting / controls improvements Led equipment rationalization and marine fleet right-sizing 7

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