SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Rodriguez Carlos A

(Last)

(First)

(Middle)

ONE ADP BOULEVARD

(Street)

ROSELAND

07068

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
AUTOMATIC DATA PROCESSING INC [ ADP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Corporate Vice President

3. Date of Earliest Transaction (Month/Day/Year)
03/08/2011

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/08/2011		M		16,462	A	$42.3007	76,851.2185	D
Common Stock	03/08/2011		M		13,170	A	$45.8406	90,021.2185	D
Common Stock	03/08/2011		M		10,975	A	$39.3987	100,996.2185	D
Common Stock	03/08/2011		M		8,780	A	$40.6971	109,776.2185	D
Common Stock	03/08/2011		M		8,500	A	$37.58	118,276.2185	D
Common Stock	03/08/2011		M		7,902	A	$42.9431	126,178.2185	D
Common Stock	03/08/2011		M		6,800	A	$40.28	132,978.2185	D
Common Stock	03/08/2011		M		5,268	A	$31.2802	138,246.2185	D
Common Stock	03/08/2011		M		4,390	A	$34.4511	142,636.2185	D
Common Stock	03/08/2011		M		2,634	A	$29.3805	145,270.2185	D
Common Stock	03/08/2011		S		75,200	D	$50.907	70,070.2185	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$42.9431	03/08/2011		M			7,902	01/26/2008	01/25/2017	Common Stock	7,902	$42.9431	5,268	D
Stock Option (Right to Buy)	$39.3987	03/08/2011		M			10,975	01/27/2006	01/26/2015	Common Stock	10,975	$39.3987	0.0000	D
Stock Option (Right to Buy)	$40.6971	03/08/2011		M			8,780	01/27/2007	01/26/2016	Common Stock	8,780	$40.6971	2,195	D
Stock Option (Right to Buy)	$40.28	03/08/2011		M			6,800	01/31/2010	01/30/2018	Common Stock	6,800	$40.28	10,200	D
Stock Option (Right to Buy)	$37.58	03/08/2011		M			8,500	02/10/2010	02/09/2019	Common Stock	8,500	$37.58	8,500	D
Stock Option (Right to Buy)	$45.8406	03/08/2011		M			13,170	05/06/2003	05/05/2012	Common Stock	13,170	$45.8406	0.0000	D
Stock Option (Right to Buy)	$42.3007	03/08/2011		M			16,462	05/11/2005	05/10/2014	Common Stock	16,462	$42.3007	0.0000	D
Stock Option (Right to Buy)	$31.2802	03/08/2011		M			5,268	05/13/2004	05/12/2013	Common Stock	5,268	$31.2802	0.0000	D
Stock Option (Right to Buy)	$29.3805	03/08/2011		M			2,634	07/22/2003	07/21/2012	Common Stock	2,634	$29.3805	0.0000	D
Stock Option (Right to Buy)	$34.4511	03/08/2011		M			4,390	08/11/2004	08/10/2013	Common Stock	4,390	$34.4511	0.0000	D

Explanation of Responses:

	Michael A. Bonarti (POA on file)	03/09/2011
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.