OMNICOM GROUP INC. — Director's Dealing 2003

Nov 7, 2003

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2003-11-06

Reporting Person: REINHARD KEITH L (Chairman of DDB Worldwide Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2003-11-06	Common Stock $0.15 Par Value	M	41400	$42.6875	Acquired	367484	Direct
2003-11-06	Common Stock $0.15 Par Value	S	41400	$80.0817	Disposed	326084	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2003-11-06	Option (right to buy)	$42.6875	M	41400	Disposed	2008-03-05	Common Stock (41400)	Direct

Footnotes

F1: 1,581 of these shares were purchased for reporting person's account under an employee stock purchase plan.

F2: These Rule 16-b-3 options granted under the Omnicom Group Inc. 1987 Stock Plan were exercisable 30% on 3/05/99, 30% on 3/05/00 and 40% on 3/05/01.

F3: Not Applicable