Q3 Fiscal 2023 Earnings Supplement

• • We Remain Focused on Being a Leader in ESG ⑭Environment Commitment to Net-Zero GHG Emissions by 2050 Reducing Scope 1 & 2 GHG emissions 25.2% by 2025 and 50% by 2030 Issued May 2023 GHG Update Executive compensation linked to environmental objectives * Social Commitment to and recognition for driving diversity and equality efforts Key HCM solutions support DEI and financial wellness Governance • Copyright © 2023 ADP, Inc. Refreshed board with diversity in experience and background Strong scores across ESG rating agencies 16 ADP

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