OMNICOM GROUP INC. — Director's Dealing 2005

Jul 6, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2005-07-01

Reporting Person: HENNING MICHAEL A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-07-01	Common Stock, Par Value $0.15	A	218.44	—	Acquired	4550.23	Direct
2005-07-01	Common Stock, Par Value $0.15	A	187.23	—	Acquired	4741.91	Direct

Footnotes

F1: The reporting person elected to defer receipt of these shares under the terms of the Omnicom Group Inc. Director Equity Plan.

F2: The reporting person elected to defer receipt of these shares, which represent a quarterly payment of his annual retainer,
under the terms of the Omnicom Group Inc. Director Equity Plan.

F3: Includes dividends on deferred shares that are reinvested in company stock, credited on April 7, 2005.