OMNICOM GROUP INC. — Director's Dealing 2025

May 14, 2025

SEC Form 4/A — Form 4/A

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

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-05	Common Stock, par value $0.15 per share	F	43004	$77.06	Disposed	224019	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.15 per share	1111978	Indirect
Common Stock, par value $0.15 per share	35586	Indirect

Footnotes

F1: The Form 4 filed on May 7, 2025 understated the number of shares withheld by the company for payment of tax liability incident to the vesting of performance restricted stock units ("PRSUs") on May 5, 2025, by 3,284 shares. The number of shares reported in this amendment represents the correct aggregate total number of shares withheld on that date. The amounts reported in Column 5 of this amendment reflect the number of shares beneficially owned as of the date of this filing.

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