AUTOMATIC DATA PROCESSING INC — Director's Dealing 2004

Oct 8, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
Period of Report: 2004-10-07

Reporting Person: DALY RICHARD J (Corporate Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-10-07	Common Stock	M	30000	$18.1100	Acquired	119299.6530	Direct
2004-10-07	Common Stock	S	30000	$42.8200	Disposed	89299.6530	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-10-07	Stock Option (Right to Buy)	$0.0000	M	30000	Disposed	1988-08-08	Common Stock (30000.0000)	Direct