OMNICOM GROUP INC. — Director's Dealing 2005

Aug 2, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2005-07-29

Reporting Person: Birkin Michael (Vice Chairman of Omnicom Group)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-07-29	Common Stock, Par Value $0.15	S	4500	$84.64	Disposed	21058	Direct

Footnotes

F1: This includes 1,922 shares acquired under Omnicom's employee stock purchase plan.