| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ANGELASTRO PHILIP J | Executive Vice President & CFO | C/O OMNICOM GROUP INC., 280 PARK AVENUE, NEW YORK | /s/ Eric J. Cleary, Attorney in Fact for Philip J. Angelastro | 19 May 2025 | 0001253401 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OMC | Common Stock, par value $0.15 per share | Tax liability | $147,621 | -1,935 | -0.41% | $76.29 | 470,166 | 15 May 2025 | Direct | |
| holding | OMC | Common Stock, par value $0.15 per share | 1,720 | 15 May 2025 | By 401(K) Plan |