Setting 2021 Financial Targets

Delivery of 2016 strategy created a solid foundation for continued growth 2% 9% 13% 43% Sectors 17% 18% Civil Defense Intelligence International Commercial 11% Risk Profile 87% Cost Reimbursible Fixed Price Services Fixed Price EPCM / DB 8% 0 Revenue 92% Recurring ■Non-Recurring ATN 2018 Results • PF Revenue: $3.9B • Adj. OP: $265M1 • . Adj. OP Margin: 6.9% Backlog: $7.1B Countries: 6 NASA U.S. Department of Defense A Locations: 80+ U.K. Ministry of Defence Intelligence Community 20 20 1 Excludes GES JACOBS ®

View entire presentation