Environmental Impact Report (continued) Total Energy Consumed 2010 2017 2018 2019 2020 2021 kWh/Rentable Sq. Ft. 34 33 34 32 31 33 kWh/Headcount 6,444 7,678 7,717 7,740 6,713 6,726 Net CO 2 e 2010 2017 2018 2019 2020 2021 Metric Tons/Rentable Sq. Ft. 0.02 0.01 0.01 0.01 0.01 0.01 Metric Tons/Headcount 3.01 3.36 3.23 3.14 2.71 2.54 Business Travel 2010 2017 2018 2019 2020 2021 Business Air Travel CO 2 e (mt) 100,243 151,112 149,588 126,055 21,785 10,554 Business Train Travel CO 2 e (mt) NA 209 227 174 44 32 Waste 2010 2017 2018 2019 2020 2021 Recycled Office Paper (mt) 17,414 11,709 10,953 10,760 6,251 5,824 Refuse and Other (mt) 40,471 26,846 26,677 25,633 21,153 19,771 Total Waste (mt) 57,885 38,555 37,630 36,393 27,404 25,595 RELATIVE INDICATORS SCOPE 3 EMISSIONS Note: Historical data can vary from year to year due to changes in operational control as a result of acquisitions and dispositions of businesses. Historical adjustments are not made as a result of organic growth or decline for businesses remaining under operational control. Contents ESGatCiti SustainableFinance SustainableProgress Equitable&ResilientCommunities Talent& DEI RiskManagement&ResponsibleBusiness Appendices CITI 2021 ESG REPORT 59