OMNICOM GROUP INC. — Director's Dealing 2025

Mar 28, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OMNICOM GROUP INC. (OMC)
CIK: 0000029989
Period of Report: 2025-03-25

Reporting Person: Simm Daryl (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-25	Common Stock, par value $0.15 per share	A	27990	—	Acquired	139056	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-25	Employee Stock Option (right to buy)	$80.39	A	133374	Acquired	2032-03-25	Common Stock (133374)	Direct

Footnotes

F1: These shares were acquired by the reporting person as a grant of restricted stock units (payable solely in common stock), which will vest 20% on May 15, 2026 and on each of the next four anniversaries thereof.

F2: The employee stock options will vest 33 1/3% on May 15, 2026 and on each of the next two anniversaries thereof.