X0508 4 2024-11-06 0000008670 AUTOMATIC DATA PROCESSING INC ADP 0001742936 KUTAM SREENIVASA ONE ADP BOULEVARD ROSELAND NJ 07068 1 Corp VP 1 Common Stock 2024-11-06 4 M 0 14542.0000 138.5300 A 41139.0990 D Common Stock 2024-11-06 4 M 0 13524.0000 169.8400 A 54663.0990 D Common Stock 2024-11-06 4 M 0 9022.0000 146.7500 A 63685.0990 D Common Stock 2024-11-06 4 M 0 7379.0000 206.8600 A 71064.0990 D Common Stock 2024-11-06 4 M 0 515.0000 107.3500 A 71579.0990 D Common Stock 2024-11-06 4 S 0 404.0000 300.0000 D 71175.0990 D Common Stock 2024-11-06 4 S 0 1042.0000 300.0000 D 70133.0990 D Common Stock 2024-11-06 4 S 0 6609.0000 300.0000 D 63524.0990 D Common Stock 2024-11-06 4 S 0 7469.0000 300.0000 D 56055.0990 D Common Stock 2024-11-06 4 S 0 11547.0000 300.0000 D 44508.0990 D Common Stock 2024-11-06 4 S 0 11904.0000 300.0000 D 32604.0990 D Stock Option (Right to Buy) 107.3500 2024-11-06 4 M 0 515.0000 107.3500 D 2018-09-01 2027-08-31 Common Stock 515.0000 0.0000 D Stock Option (Right to Buy) 146.7500 2024-11-06 4 M 0 9022.0000 146.7500 D 2019-09-01 2028-08-31 Common Stock 9022.0000 0.0000 D Stock Option (Right to Buy) 169.8400 2024-11-06 4 M 0 13524.0000 169.8400 D 2020-09-01 2029-08-31 Common Stock 13524.0000 0.0000 D Stock Option (Right to Buy) 138.5300 2024-11-06 4 M 0 14542.0000 138.5300 D 2021-09-01 2030-08-31 Common Stock 14542.0000 4848.0000 D Stock Option (Right to Buy) 206.8600 2024-11-06 4 M 0 7379.0000 206.8600 D 2022-09-01 2031-08-31 Common Stock 7379.0000 7380.0000 D The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2023. David Kwon (POA on File) 2024-11-08