OMNICOM GROUP INC. — Director's Dealing 2010

May 6, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2010-05-04

Reporting Person: Carroll Thomas (President & CEO TBWA Worldwide)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-04	Common Stock, par value $0.15 per share	F	799	$42.22	Disposed	36969	Direct

Footnotes

F1: Includes 5,877 shares acquired under Omnicom's employee stock purchase plan and 327 shares acquired pursuant to dividend
reinvestment plan.