OMNICOM GROUP INC. — Director's Dealing 2008

Feb 21, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2008-02-19

Reporting Person: WREN JOHN (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-02-19	Common Stock, par value $0.15 per share	S	1700	$46.59	Disposed	1051486	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	1700	$46.60	Disposed	1049786	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	2000	$46.61	Disposed	1047786	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	2900	$46.62	Disposed	1044886	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	2100	$46.63	Disposed	1042786	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	8400	$46.64	Disposed	1034386	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	2900	$46.65	Disposed	1031486	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	2100	$46.66	Disposed	1029386	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	900	$46.67	Disposed	1028486	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	1500	$46.68	Disposed	1026986	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	21100	$46.69	Disposed	1005886	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	6600	$46.70	Disposed	999286	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	8300	$46.71	Disposed	990986	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	5300	$46.72	Disposed	985686	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	1900	$46.73	Disposed	983786	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	3500	$46.74	Disposed	980286	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	1500	$46.75	Disposed	978786	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	1800	$46.76	Disposed	976986	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	3000	$46.77	Disposed	973986	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	1400	$46.78	Disposed	972586	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	20000	$46.79	Disposed	952586	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	300	$46.80	Disposed	952286	Direct
2008-02-19	Common Stock, par value $0.15 per share	S	500	$46.81	Disposed	951786	Direct
2008-02-20	Common Stock, par value $0.15 per share	M	102600	$21.34	Acquired	1054386	Direct
2008-02-20	Common Stock, par value $0.15 per share	S	100000	$46.00	Disposed	954386	Direct
2008-02-20	Common Stock, par value $0.15 per share	S	200	$46.05	Disposed	954186	Direct
2008-02-20	Common Stock, par value $0.15 per share	S	2400	$46.06	Disposed	951786	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.15 per share	20763.69	Indirect

Footnotes

F1: This is the third of three Forms 4 filed on February 20, 2008, to report three option exercises and associated sales because
all sales will not fit on one Form 4.