AUTOMATIC DATA PROCESSING INC — Director's Dealing 2004

Nov 30, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
Period of Report: 2004-11-30

Reporting Person: DYKSTRA KAREN E (Corporate Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-11-30	Common Stock	M	5000	$32.2450	Acquired	37610.7850	Direct
2004-11-30	Common Stock	S	5000	$45.4300	Disposed	32610.7850	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-11-30	Stock Option (Right to Buy)	$	M	5000	Disposed	1988-08-08	Common Stock (5000.0000)	Direct

Footnotes

F1: Exerciseable price varies

F2: Exercisable date varies

F3: Expiration dates vary