Disclosure Number and Title Report Section or Other Documentation 102-43 Approach to stakeholder engagement • Our Material ESG Issues: Citi in a Global Context • Stakeholder Engagement at Citi • Climate Risk and Net Zero > Reducing Climate Risk in Our Financing • Risk Management > Environmental and Social Risk Management • Human Rights > Learning and Engagement • Responsible Sourcing > Supplier Engagement and Evaluation 102-44 Key topics and concerns raised • Stakeholder Engagement at Citi • Climate Risk and Net Zero > Reducing Climate Risk in Our Financing • Risk Management > Environmental and Social Risk Management • Human Rights > Our Commitment to Respect Human Rights • Human Rights > Respecting Human Rights in Our Financing Decisions • Human Rights > Learning and Engagement • Responsible Sourcing > Supplier Engagement and Evaluation 102-45 Entities included in the consolidated financial statements • 2021 10-K pages 4-6, 146 102-46 Defining report content and topic Boundaries • Our Material ESG Issues: Citi in a Global Context 102-47 List of material topics • Our Material ESG Issues: Citi in a Global Context 102-48 Restatements of information • Climate Risk and Net Zero > Reducing Climate Risk in Our Financing • Sustainable Operations > Environmental Performance for Operations • Sustainable Operations > Environmental Impact Report 102-49 Changes in reporting There are no significant changes from the previous reporting period. 102-50 Reporting period This report covers fiscal and calendar year 2021. 102-51 Date of most recent report April 2021 102-52 Reporting cycle Annual 102-53 Contact point for questions regarding the report Global Public Affairs Citigroup Inc. 388 Greenwich St. New York, NY 10013 [email protected] 102-54 Claims of reporting in accordance with the GRI Standards This report has been prepared in accordance with the GRI Standards: Core option. 102-55 GRI content index • GRI Content Index 102-56 External assurance We secure external assurance annually for data related to our reporting on the Equator Principles and environmental data for our operations. • Assurance GRI 201: Economic Performance 2016 201-1 Direct economic value generated and distributed • 2021 10-K pages 7-9 201-2 Financial implications and other risks and opportunities due to climate change • Financing the Low-Carbon Transition > Transforming Our Business to Support a Low-Carbon Economy • Climate Risk and Net Zero • Sustainable Operations > Managing Climate Risk in Our Operations • 2021 TCFD Report • 2021 10-K pages 57-58 201-3 Defined benefit plan obligations and other retirement plans • Citi Benefits Handbook • 2021 10-K pages 171-182 Contents ESGatCiti SustainableFinance SustainableProgress Equitable&ResilientCommunities Talent&DEI RiskManagement&ResponsibleBusiness Appendices ESGS ataC ius niblnG 142