OMNICOM GROUP INC. — Director's Dealing 2005

Feb 11, 2005

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2004-12-31

Reporting Person: DENISON SUSAN S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-01-01	Common Stock, Par Value $0.15	A	171.97	—	Acquired	5358.97	Direct
2004-04-01	Common Stock, Par Value $0.15	A	187.57	—	Acquired	5546.54	Direct
2004-07-01	Common Stock, Par Value $0.15	A	197.67	—	Acquired	5832.07	Direct
2004-07-01	Common Stock, Par Value $0.15	A	230.61	—	Acquired	6062.68	Direct
2004-10-01	Common Stock, Par Value $0.15	A	205.62	—	Acquired	6268.30	Direct
2004-10-01	Common Stock, Par Value $0.15	A	239.89	—	Acquired	6512.67	Direct

Footnotes

F1: The reporting person elected to defer receipt of these shares, which represent a quarterly payment of her annual retainer,
under the terms of the 1998 Incentive Compensation Plan.

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

F3: Includes 87.86 shares reported on Amendment to Form 4 related to a transaction completed on May 26, 2004.

F4: The reporting person elected to defer receipt of these shares, under the terms of the Omnicom Group Inc. Director Equity
Plan.

F5: Includes dividends on deferred shares that are reinvested in company stock.