AUTOMATIC DATA PROCESSING INC - Director's Dealing 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
Period of Report: 2018-01-01

Reporting Person: O'Brien Dermot J (Corp. VP)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-01-01	Common Stock	I	112.2786	$111.3300	Acquired	27858.5996	Direct
2018-01-02	Common Stock	M	8833.0000	$75.1000	Acquired	36691.5996	Direct
2018-01-02	Common Stock	M	7604.0000	$86.6100	Acquired	44295.5996	Direct
2018-01-02	Common Stock	M	6528.0000	$90.6300	Acquired	50823.5996	Direct
2018-01-02	Common Stock	S	2150.0000	$115.7350	Disposed	48673.5996	Direct
2018-01-02	Common Stock	S	6528.0000	$116.0300	Disposed	42145.5996	Direct
2018-01-02	Common Stock	S	7604.0000	$115.7430	Disposed	34541.5996	Direct
2018-01-02	Common Stock	S	8833.0000	$115.7330	Disposed	25708.5996	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-01-02	Stock Option (Right to Buy)	$86.6100	M	7604.0000	Disposed	2025-01-21	Common Stock (7604.0000)	Direct
2018-01-02	Stock Option (Right to Buy)	$75.1000	M	8833.0000	Disposed	2025-08-31	Common Stock (8833.0000)	Direct
2018-01-02	Stock Option (Right to Buy)	$90.6300	M	6528.0000	Disposed	2026-08-31	Common Stock (6528.0000)	Direct

F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in August 2017