OMNICOM GROUP INC. — Director's Dealing 2025

Nov 28, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC. (OMC)
CIK: 0000029989
Period of Report: 2025-11-26

Reporting Person: KRAKOWSKY PHILIPPE (Director, Co-President and Co-COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-26	Common Stock, par value $0.15 per share	A	104299	—	Acquired	104299	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-26	Stock Option (right to buy)	$67.82	A	86000	Acquired	2031-01-04	Common Stock (86000)	Direct

Footnotes

F1: Pursuant to that certain Agreement and Plan of Merger, dated as of December 8, 2024 (the "Merger Agreement"), by and among the Issuer, The Interpublic Group of Companies, Inc. ("IPG") and EXT Subsidiary Inc. ("Merger Sub"), Merger Sub merged with and into IPG, with IPG surviving as a wholly owned subsidiary of the Issuer. Pursuant to the Merger Agreement, the Reporting Person's IPG common stock converted into the Issuer's common stock, according to the terms of the Merger Agreement.

F2: Pursuant to the Merger Agreement, the Reporting Person's option to purchase IPG common stock converted into a vested option to purchase Issuer common stock, according to the terms of the Merger Agreement.