AUTOMATIC DATA PROCESSING INC — Director's Dealing 2003

Oct 1, 2003

SEC Form 4/A — Form 4/A

Issuer: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
Period of Report: 2003-08-11

Reporting Person: LANGDON CAMPBELL B (Corporate Vice President)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2003-08-11	Stock Option (Right to Buy)	$37.81	A	12000	Acquired	2013-08-10	Common Stock (12000.00)	Direct

Footnotes

F1: Effective October 1, 2003, for stock options granted after January 1, 1999, optionees who retire who are at least 55 years old and who have been employed by the Company for at least 10 years will, subject to the following sentence, have up to 36 months to exercise their vested options, and optionees who retire who are at least 55 years old and who have been employed by the Company for at least 5 years but less than 10 years will, subject to the following sentence, have up to 12 months to exercise their vested options. The options' normal expiration dates will not, in any event, be modified or otherwise changed.

F2: Will vest equally over 5 years