SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Brymer Charles E

(Last)

(First)

(Middle)

C/O OMNICOM GROUP INC.

437 MADISON AVENUE

(Street)

NEW YORK

10022

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
04/20/2006

3. Issuer Name and Ticker or Trading Symbol
OMNICOM GROUP INC [ OMC ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President & CEO DDB Worldwide

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.15 per share	22,270⁽¹⁾⁽²⁾	D
Common Stock, par value $0.15 per share	371.68	I	By 401(k) Plan

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option (right to buy)	⁽³⁾	04/12/2012	Common Stock	20,000	$93.55	D
Employee Stock Option (right to buy)	⁽⁴⁾	10/02/2011	Common Stock	20,000	$62.35	D
Employee Stock Option (right to buy)	⁽³⁾	04/04/2011	Common Stock	20,000	$79.5	D
Employee Stock Option (right to buy)	⁽³⁾	03/08/2010	Common Stock	10,000	$78.31	D

Explanation of Responses:

1. Includes 8,920 shares of restricted stock awarded pursuant to Omnicom's equity incentive plan, which are subject to forfeiture.

2. Includes 736 shares acquired under Omnicom's employee stock purchase plan.

3. The option is fully exercisable.

4. 6,666 shares are exercisable at this time. The remaining options become exercisable on October 2, 2007.

	/s/ Charles E. Brymer	04/27/2006
	** 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 5 (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.