Assurance Greenhouse Gas Verification Opinion Number UK.PRS.V OL.INV.0100. 2021 / 2022/04/07 T he inventory of Greenhouse Gas emissions and environmental data in the period 1 st January 2021 – 31 st December 2021 for Citigroup, Inc. 388 Greenwich Street New York, NY, 10013 has been verified in accordance with ISO 14064 - 3:20 19 and the principles of completeness, transparency, accuracy, consistency and relevance To represent a total amount of: 44,683 tCO 2 e of GHG emissions Scope 1 463 ,311 tCO 2 e of GHG emissions Scope 2 ( location based) 60, 979 tCO 2 e of GHG emissions Scope 2 ( market based) 507, 994 tCO 2 e of total GHG emissions Scopes 1 and 2, based on Scope 2 location - based emissions 10, 586 tCO 2 e of GHG emissions Scope 3 1,110. 83 GWh of electricity consumption 26. 35 GWh of district heating and cooling 178 .00 GWh of natural gas 0.74 GWh of LPG 0.0 2 GWh of fuel oil 31. 59 GWh of diesel 5, 824 metric tonnes of waste diverted from landfill 25, 595 metric tonnes of total waste 3, 366 ,620 cubic meters of potable water consumed 253 ,010 cubic meters of non -potable water consumed 10, 554 tCO 2 e from business travel by air 32 tCO 2 e from business travel by rail The inventory of Greenhouse Gas emissions has been verified as meeting the requirements of the WRI/WBCSD GHG Protocol – A Corporate Accounting and Reporting Standard and the GHG Protocol – Scope 2 Guidance – Amendment to the GHG Protocol Corporate Standard . For the following activities Banking and Finance Lead Assessor: Clare Robertson Technical Reviewer: Paulomi Raythatha Authorised by: Pamela Chadwick SGS United Kingdom Ltd Verification Opinion Date : 6 th April 20 22 This Opinion is not valid without the full verification scope, objectives, criteria and conclusion available on pages 2 to 5 of this Opinion . Contents ESGatCiti SustainableFinance SustainableProgress Equitable&ResilientCommunities Talent&DEI RiskManagement&ResponsibleBusiness Appendices ESGS ataC ius niblnG 176