OMNICOM GROUP INC. — Director's Dealing 2006

May 2, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2006-04-27

Reporting Person: DRU JEAN MARIE (President/CEO TBWA Worldwide)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-04-27	Common Stock, par value $0.15 per share	M	60000	$65.50	Acquired	83403	Direct
2006-04-27	Common Stock, par value $0.15 per share	M	83333	$62.35	Acquired	166736	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	300	$90.33	Disposed	166436	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	400	$90.34	Disposed	166036	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	600	$90.35	Disposed	165436	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	600	$90.36	Disposed	164836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	1100	$90.37	Disposed	163736	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	900	$90.38	Disposed	162836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	1000	$90.39	Disposed	161836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	1000	$90.40	Disposed	160836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	1000	$90.41	Disposed	159836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	35000	$90.42	Disposed	124836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	3800	$90.43	Disposed	121036	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	2300	$90.44	Disposed	118736	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	9000	$90.45	Disposed	109736	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	1800	$90.46	Disposed	107936	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	1100	$90.47	Disposed	106836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	900	$90.48	Disposed	105936	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	300	$90.49	Disposed	105636	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	1100	$90.50	Disposed	104536	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	11600	$90.51	Disposed	92936	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	1100	$90.52	Disposed	91836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	300	$90.53	Disposed	91536	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	700	$90.54	Disposed	90836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	300	$90.56	Disposed	90536	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	2800	$90.57	Disposed	87736	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	900	$90.58	Disposed	86836	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	800	$90.59	Disposed	86036	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	21300	$90.60	Disposed	64736	Direct
2006-04-27	Common Stock, par value $0.15 per share	S	400	$90.61	Disposed	64336	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-04-27	Employee Stock Option (right to buy)	$65.50	M	60000	Disposed	2009-02-25	Common Stock (60000)	Direct
2006-04-27	Employee Stock Option (right to buy)	$62.35	M	83333	Disposed	2001-10-02	Common Stock (83333)	Direct

Footnotes

F1: This is the first of three Forms 4 filed on May 1, 2006, to report two option exercises and associated sales because all
sales will not fit on one Form 4.

F2: 30% of the shares vested on February 25, 2000; 30% of the shares vested on February 25, 2001; and the remaining 40% of the
shares vested on February 25, 2002.

F3: All of the shares vested on March 4, 2002.