OMNICOM GROUP INC. — Director's Dealing 2006

Apr 27, 2006

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2006-04-20

Reporting Person: Brymer Charles E (President & CEO DDB Worldwide)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.15 per share	22270	Direct
Common Stock, par value $0.15 per share	371.68	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$93.55	2012-04-12	Common Stock (20000)		Direct
Employee Stock Option (right to buy)	$62.35	2011-10-02	Common Stock (20000)		Direct
Employee Stock Option (right to buy)	$79.50	2011-04-04	Common Stock (20000)		Direct
Employee Stock Option (right to buy)	$78.31	2010-03-08	Common Stock (10000)		Direct

Footnotes

F1: Includes 8,920 shares of restricted stock awarded pursuant to Omnicom's equity incentive plan, which are subject to
forfeiture.

F2: Includes 736 shares acquired under Omnicom's employee stock purchase plan.

F3: The option is fully exercisable.

F4: 6,666 shares are exercisable at this time. The remaining options become exercisable on October 2, 2007.