Q3 Fiscal 2023 Earnings Supplement

Our HCM Portfolio is Strong and Diversified Our HCM Portfolio PEO 32% Small Business 16% FY21 Revenue ($15B total): $2.5B Small Business $2.4B Major Accounts $1.1B National Accounts $2.2B International $1.0B ES HRO $1.1B Complementary Solutions $4.8B PEO Complementary Solutions See 2021 Investor Day presentation for a brief overview of these different businesses Copyright © 2023 ADP, Inc. Major Accounts 16% National 7% ES HRO Accounts International 7% 7% 15% 6 ADP

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