OMNICOM GROUP INC. — Director's Dealing 2005

May 25, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC (OMC)
CIK: 0000029989
Period of Report: 2003-03-12

Reporting Person: ANGELASTRO PHILIP J (Sr. VP Finance/Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2003-03-12	Common Stock, Par Value $0.15	A	10000	—	Acquired	44428	Direct
2005-05-23	Common Stock, Par Value $0.15	A	7000	—	Acquired	51578	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, Par Value $0.15	509.46	Indirect

Footnotes

F1: This reflects the number of securities owned as of the last Form 4 filed by the reporting person plus the shares of
restricted stock acquired on March 12, 2003 as reported on this line.

F2: These shares were acquired by the reporting person as a grant of restricted stock, which will vest 20% each year for the next
five years.

F3: This includes an additional 150 shares acquired under Omnicom's employee stock purchase plan.