AUTOMATIC DATA PROCESSING INC — Director's Dealing 2011

Mar 3, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
Period of Report: 2011-03-01

Reporting Person: Rodriguez Carlos A (Corporate Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-01	Common Stock	F	3598.0000	$49.3900	Disposed	61836.2185	Direct
2011-03-03	Common Stock	M	13170.0000	$48.1185	Acquired	75006.2185	Direct
2011-03-03	Common Stock	M	2511.0000	$39.6356	Acquired	77517.2185	Direct
2011-03-03	Common Stock	S	14955.0000	$50.3769	Disposed	62562.2185	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-03	Stock Option (Right to Buy)	$48.1185	M	13170.0000	Disposed	2011-05-14	Common Stock (13170.0000)	Direct
2011-03-03	Stock Option (Right to Buy)	$39.6356	M	2511.0000	Disposed	2011-09-20	Common Stock (2511.0000)	Direct