FY21 ESG Disclosures July 2022 Unaudited 15 ENV.9 Energy Consumption and Energy Intensity Metrics The following table summarizes our energy consumption. Table 8. Energy Consumption Metric Unit FY19 [a, b] FY20 [a, c] FY21 [a, d] Non-renewable fuels (gasoline, diesel, natural gas, etc.) purchased and consumed MWh 59,018 54,142 49,958 Non-renewable electricity purchased MWh 101,336 0 0 Purchased heating (non-renewable) MWh 35,043 36,848 26,997 Total renewable energy (wind, solar, hydroelectric, geothermal, etc.) purchased or generated MWh 12,155 112,589 100,208 Total Non-Renewable Energy Consumption MWh 195,397 90,990 76,955 Total costs of energy consumption (estimated) USD $11,991,945 $10,900,000 $9,700,000 Data coverage Percentage of global operations 100% 100% 100% [a] Emissions data has been third-party verified for all reporting years, with limited assurance. Cost of energy consumption is estimated based on available electricity, natural gas and vehicle fuel and does not include EAC costs associated with some of our renewable energy purchases. [b] Includes 4 months KeyW (acquired June 2019) & does not include ECR LOB (divested April 2019) [c] Includes 7 months Wood Nuclear Group (acquired March 2020) [d] Includes The Buffalo Group (acquired November 2020) The following table summarizes our Energy intensity metrics. Table 9. Energy Intensity Revenue Intensity Office Area Intensity Metric Unit FY20 [a, b] FY21 [a, c] Metric Unit FY20 [a, b] FY21 [a, c] Energy [d] MWh 203,579 177,163 Energy [e] MWh 149,437 129,326 Revenue Million USD 13,567 13,465 Office Area Thousand ft 2 7,590 7,337 Revenue Energy Intensity MWh per million USD 15.01 13.16 Office Area Energy Intensity MWh per Thousand ft 2 19.69 17.63 Data Coverage Percentage of global operations 100% 100% Data Coverage Percentage of global operations 100% 100% [a] Energy values have been third-party verified for all reported years, with limited assurance [b] Includes 7 months Wood Nuclear Group (acquired March 2020) [c] Includes Buffalo Group (acquired November 2020) [d] Metric for all scope 1 and scope 2 related energy consumption [e] Metric for scope 1 and scope 2 energy consumption associated with office space (for example, does not include mobile combustion sources)