ESG governance The Board’s Governance Committee regularly reviews McKesson’s ESG practices, including environmental sustainability and matters concerning our commitment to delivering value to customers, employees, suppliers, shareholders, and local communities. Board-level oversight The Board, the Governance Committee, and/or other committees periodically review the Company’s ESG strategy and practices, including environmental sustainability, pay equity, human capital management and diversity, equity and inclusion. Management-level oversight Executing a leading ESG strategy is key to realizing our ambition to be an impact-driven enterprise. This leadership begins with our CEO and executive operating team, which includes our Chief Impact Officer who leads our Global Impact Organization. Our Chief Impact Officer oversees the Sustainability and ESG team as they work with colleagues across the company to develop our enterprise-wide strategies and monitor relevant metrics. For example, the Sustainability and ESG team works in close partnership with our Real Estate team to evaluate and execute on renewable energy projects, and in tandem with our DEI and Social Impact teams to evaluate diversity and philanthropy strategies. Stakeholder engagement Effective and ongoing engagement with our many stakeholders helps us improve how we serve their various needs while delivering on our purpose. Learning directly from our stakeholders about their ESG priorities and concerns can help shape our strategies, build trust and inform our decision making on key issues. Thoughtful engagement with our customers, employees, suppliers, shareholders and other groups is critical to enabling our ability to execute our mission. Executing a leading ESG strategy is key to realizing our ambition to be an impact- driven enterprise. Introduction Stories Employees Access Equity Climate Operations >Table of Contents | 56 FY21 Impact Report

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