AUTOMATIC DATA PROCESSING INC — Director's Dealing 2006

Oct 4, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
Period of Report: 2006-10-03

Reporting Person: BENSON JAMES B (Corporate Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-10-03	Common Stock	M	40000	$27.31	Acquired	109462.66	Direct
2006-10-03	Common Stock	S	40000	$47.69	Disposed	69462.66	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-10-03	Stock Option (Right to Buy)	$	M	40000	Disposed	1988-08-08	Common Stock (40000.00)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1316.00	Indirect

Footnotes

F1: Exerciseable price varies