OMNICOM GROUP INC. — Director's Dealing 2010

May 26, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2010-05-23

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-23	Common Stock, par value $0.15 per share	F	639	$38.36	Disposed	24585	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.15 per share	789	Indirect

Footnotes

F1: This includes 1,942 shares acquired under Omnicom's employee stock purchase plan.