Our People and Culture A Modern, High-Performing Health System Introduction Environmental Health Introduction Our People and Culture Environmental Health 111 2021 Sustainability Report A Modern, High-Performing Health System Responsible Business Practices Performance Data About this report UnitedHealth Group’s Sustainability Report provides an overview of our ESG commitments, as well as progress against certain key ESG targets. Feedback This report is intended to enhance lines of communication with our stakeholders, creating opportunities to better respond to emerging areas of interest. Please reach out to us at [email protected] with any thoughts, feedback or questions. Forward-Looking Statements Forward-looking comments will also be provided to help show the trajectory of our work. All statements in this report that are not historical — including goals, projections of future results, the expected execution and effect of our sustainability strategies and initiatives, and the amounts and timing of their expected impact — constitute forward-looking statements that are based on current societal, market, competitive and regulatory expectations. These forward- looking statements are not guarantees of future performance and are subject to risks, uncertainties and assumptions, known or unknown, which could cause actual results to vary. These statements speak only as of the date they are made and UnitedHealth Group undertakes no obligation to update publicly any forward-looking statement included in this report, whether as a result of new information, future events, changes in assumptions or otherwise. Please see UnitedHealth Group’s latest Form 10-K and subsequent SEC filings for a discussion of risk factors as they relate to forward- looking statements. Boundary and Scope Boundaries for this report extend to all global operations, with a focus on our U.S. operations. Our social indicators (e.g., our people and culture data) cover over 75% of our revenue. Data contained in this report covers activities that occurred in fiscal year 2021 (January 1-December 31, 2021), unless otherwise noted. Disclosure and Assurance The structure of this report reflects our sustainability framework, which consists of four areas that are the highest priority for our business, align with our mission and create shared value. These four priority areas are (1) Helping to Build a Modern, High-Performing Health System, (2) Environmental Health, (3) Our People and Culture, and (4) Responsible Business Practices. The metrics and goals in this report are established through a rigorous review process involving internal subject matter experts, finance functions and leadership. The report was submitted to the Governance Committee of the Board of Directors for review, and was reviewed and approved by members of UnitedHealth Group’s senior management. The report also includes our first Sustainability Accounting Standards Board (SASB) Index, providing disclosures against relevant SASB Standards. Select environmental and social data has been externally verified by Upstream Sustainability Services, Jones Lang LaSalle IP, Inc. We will continue to expand our third-party data verification.