GRI disclosure GRI requested information McKesson FY21 response/ disclosure location 415: Public policy 103-1 Explanation of the material topic and its boundaries See the Political Engagement page at mckesson.com and the Public Affairs page at mckesson.eu 103-2 The management approach and its components See the Political Engagement page at mckesson.com and the Public Affairs page at mckesson.eu. 103-3 Evaluation of the management approach See the Political Engagement page at mckesson.com and the Public Affairs page at mckesson.eu. 415-1 Political contributions Political Contributions Report . All information is for the U.S. We do not make political contributions in Canada or Europe. GRI disclosure GRI requested information McKesson FY21 response/ disclosure location 416: Customer health and safety 103-1 Explanation of the material topic and its boundaries Caring for our communities, pgs. 24-26 , 30-31 , 48-50 Supply chain integrity, pgs. 62-65 103-2 The management approach and its components Caring for our communities, pgs. 24-26 , 30-31 , 48-50 Supply chain integrity, pgs. 62-65 103-3 Evaluation of the management approach Caring for our communities, pgs. 24-26 , 30-31 , 48-50 Supply chain integrity, pgs. 62-65 416-1 Assessment of the health and safety impacts of product and service categories Caring for our communities, pgs. 24-26 , 30-31 , 48-50 Supply chain integrity, pgs. 62-65 Introduction Stories Employees Access Equity Climate Operations >Table of Contents | 76 FY21 Impact Report

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