Topic Accounting Metric Category Code Report Section or Other Documentation Incorporation of ESG Factors in Credit Analysis Commercial and industrial credit exposure, by industry Quantitative FN-CB- 410a.1 • 2021 10-K page 79 Description of approach to incorporation of environmental, social, and governance (ESG) factors in credit analysis Discussion and Analysis FN-CB- 410a.2 • Risk Management > Environmental and Social Risk Management • Environmental and Social Policy Framework • 2021 10-K pages 118-119 Business Ethics Total amount of monetary losses as a result of legal proceedings associated with fraud, insider trading, anti-trust, anti-competitive behavior, market manipulation, malpractice, or other related financial industry laws or regulations Quantitative FN-CB- 510a.1 Citi discloses all material legal and regulatory proceedings in its 10- K, including when a suit was filed, the court, the parties involved, the allegations and the relief sought. Citi also discloses information regarding material inquiries or investigations by regulators, including any legal and regulatory proceedings associated with such business ethics matters. • 2021 10-K pages 296-303 Description of whistleblower policies and procedures Discussion and Analysis FN-CB- 510a.2 • Human Rights > Reporting Mechanisms for Stakeholders • Citi Code of Conduct pages 10-11 Systemic Risk Management Global Systemically Important Bank (G-SIB) score, by category Quantitative FN-CB- 550a.1 • 2021 10-K page 31 • 2021 Systemic Risk Report (FR Y-15) Description of approach to incorporation of results of mandatory and voluntary stress tests into capital adequacy planning, long-term corporate strategy, and other business activities Discussion and Analysis FN-CB- 550a.2 • 2021 10-K page 32 Activity Metric (1) Number and (2) value of checking and savings accounts by segment: (a) personal and (b) small business Quantitative FN-CB- 000.A Citi discloses the number of end-of-period retail banking and credit card accounts by region. Citi does not disaggregate personal and small business accounts. • 4Q21 Quarterly Financial Data Supplement pages 9, 12, 14 and 16 (1) Number and (2) value of loans by segment: (a) personal, (b) small business, and (c) corporate Quantitative FN-CB- 000.B Citi discloses the value of outstanding consumer and corporate loans in its 10-K. Consumer loans are reported as consumer mortgages and credit card loans, while personal, small business and other loans are aggregated. • 2021 10-K pages 70-83 CONSUMER FINANCE Topic Accounting Metric Category Code Response Customer Privacy Number of account holders whose information is used for secondary purposes Quantitative FN-CF- 220a.1 Citi does not report this information. Total amount of monetary losses as a result of legal proceedings associated with customer privacy Quantitative FN-CF- 220a.2 Citi discloses all material legal and regulatory proceedings in its 10- K, including when a suit was filed, the court, the parties involved, the allegations and the relief sought. Citi also discloses information regarding material inquiries or investigations by regulators. Citi did not have any material matters requiring disclosure associated with customer privacy in its 2021 10-K. • 2021 10-K pages 296-303 Contents ESGatCiti SustainableFinance SustainableProgress Equitable&ResilientCommunities Talent&DEI RiskManagement&ResponsibleBusiness Appendices ESGS ataC ius niblnG 151