Introduction Our People and Culture Environmental Health 15 2021 Sustainability Report A Modern, High-Performing Health System Responsible Business Practices Performance Data Our sustainability priorities Assessing our sustainability priority issues is a continuous process informed by ongoing engagement with our stakeholders. We understand stakeholder priorities may evolve over time, and in 2021 we strengthened our processes to understand their perspectives on an ongoing basis. Please see page 14 for a full discussion of our stakeholder engagement. Although the priorities of each stakeholder may vary, there is a common expectation that UnitedHealth Group has the responsibility and capabilities to address the most pressing challenges facing the health care system. We focus our work and report on the following topics. Helping to Build a Modern, High-Performing Health System • He alth Equity • Expanding Access to Care • Impr oving Health Care Affordability • Enhancing the Health Care Experience • Achieving Better Health Outcomes • Building He althier Communities Our People and Culture • Div ersity, Equity and Inclusion • P ay Equity • Emplo yee Health and Well-Being • T raining and Development Environmental Health • R educing Carbon Emissions • R educing Waste • W ater Management Responsible Business Practices • Corpor ate Governance • Compliance and Ethics • Dat a Privacy and Cybersecurity • S upply Chain Management • S upplier Diversity