| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WREN JOHN | Chairman and CEO, Director | C/O OMNICOM GROUP INC., 280 PARK AVENUE, NEW YORK | /s/ John D. Wren | 19 May 2025 | 0001247069 |
| 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 | $289,292 | -3,792 | -1.7% | $76.29 | 220,227 | 15 May 2025 | Direct | |
| holding | OMC | Common Stock, par value $0.15 per share | 1,111,978 | 15 May 2025 | By Trusts | ||||||
| holding | OMC | Common Stock, par value $0.15 per share | 35,586 | 15 May 2025 | By 401(K) Plan |