AUTOMATIC DATA PROCESSING INC — Director's Dealing 2011

Aug 23, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
Period of Report: 2011-08-23

Reporting Person: Lee Regina (Corporate Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-08-23	Common Stock	M	2469.0000	$39.6356	Acquired	72899.0005	Direct
2011-08-23	Common Stock	S	2469.0000	$47.5800	Disposed	70430.0005	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-08-23	Stock Option (Right to Buy)	$39.6356	M	2469.0000	Disposed	2011-09-20	Common Stock (2469.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2479.8300	Indirect