OMNICOM GROUP INC. — Director's Dealing 2010

Mar 31, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2010-03-29

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-29	Common Stock, par value $0.15 per share	A	12636	—	Acquired	37247	Direct

Footnotes

F1: These shares were acquired by the reporting person as a grant of restricted stock units (payable solely in common stock),
which will vest 20% each year for the next five years.

F2: Includes 5,420 shares acquired under Omnicom's employee stock puchase plan and 263 shares acquired pursuant to dividend
reinvestment plan.