OMNICOM GROUP INC. — Director's Dealing 2025

May 7, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC. (OMC)
CIK: 0000029989
Period of Report: 2025-05-05

Reporting Person: ANGELASTRO PHILIP J (Executive Vice President & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-05	Common Stock, par value $0.15 per share	A	58601	—	Acquired	500075	Direct
2025-05-05	Common Stock, par value $0.15 per share	F	27974	$77.06	Disposed	472101	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.15 per share	1720	Indirect

Footnotes

F1: On May 2, 2022, the reporting person was granted performance restricted stock units ("PRSUs") which vest based on the company's return on equity as compared to that of an industry peer group. On May 5, 2025, the compensation committee of the board of directors of the company determined that the performance criteria had been met, resulting in the vesting of these shares.

F2: Represents shares withheld by the company for payment of tax liability incident to the vesting of PRSUs.