AUTOMATIC DATA PROCESSING INC — Director's Dealing 2012

Feb 2, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
Period of Report: 2012-02-01

Reporting Person: Anenen Steven (Corporate Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-01	Common Stock	M	19755.0000	$35.7404	Acquired	81039.7248	Direct
2012-02-01	Common Stock	M	10797.0000	$38.6470	Acquired	91836.7248	Direct
2012-02-01	Common Stock	M	2373.0000	$39.6356	Acquired	94209.7248	Direct
2012-02-01	Common Stock	S	28400.0000	$55.2763	Disposed	65809.7248	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-01	Stock Option (Right to Buy)	$39.6356	M	2373.0000	Disposed	2011-09-20	Common Stock (2373.0000)	Direct
2012-02-01	Stock Option (Right to Buy)	$35.7404	M	19755.0000	Disposed	2013-11-10	Common Stock (19755.0000)	Direct
2012-02-01	Stock Option (Right to Buy)	$38.6470	M	10797.0000	Disposed	2012-11-11	Common Stock (10797.0000)	Direct