| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 10/01/2023 | MARTORE GRACIA C | Director | Grant | Common Stock, par value $0.15 per share | 587.41 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | COLEMAN LEONARD S JR | Director | Grant | Common Stock, par value $0.15 per share | 587.41 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | RICE LINDA JOHNSON | Director | Grant | Common Stock, par value $0.15 per share | 588 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | CHOKSI MARY C | Director | Grant | Common Stock, par value $0.15 per share | 587.41 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | Kissire Deborah J. | Director | Grant | Common Stock, par value $0.15 per share | 587.41 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | Williams Valerie | Director | Grant | Common Stock, par value $0.15 per share | 587.41 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | Hawkins Ronnie S. | Director | Grant | Common Stock, par value $0.15 per share | 587.41 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | Pineda Patricia Salas | Director | Grant | Common Stock, par value $0.15 per share | 587.41 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | Gerstein Mark D | Director | Grant | Common Stock, par value $0.15 per share | 587.41 | $0.00 | $0 | | 10/01/2023 |
| 10/01/2023 | Gerstein Mark D | Director | Grant | Common Stock, par value $0.15 per share | 302.1 | $0.00 | $0 | | 10/01/2023 |
| 08/16/2023 | RICE LINDA JOHNSON | Director | Sale | Common Stock, par value $0.15 per share | 467 | $80.24 | $37.5k | | 08/16/2023 |
| 08/15/2023 | Simm Daryl | President and COO | Payment of Exercise | Common Stock, par value $0.15 per share | 11.7k | $80.06 | $938.2k | | 08/15/2023 |
| 08/15/2023 | Januzzi Louis F | Senior VP, Gen. Counsel & Sec. | Payment of Exercise | Common Stock, par value $0.15 per share | 1k | $80.06 | $83.9k | | 08/15/2023 |
| 08/15/2023 | Tarlowe Rochelle M. | Senior VP and Treasurer | Payment of Exercise | Common Stock, par value $0.15 per share | 832 | $80.06 | $66.6k | | 08/15/2023 |
| 08/15/2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Payment of Exercise | Common Stock, par value $0.15 per share | 2k | $80.06 | $159.9k | | 08/15/2023 |
| 08/15/2023 | Castellaneta Andrew | SVP, Chief Accounting Officer | Payment of Exercise | Common Stock, par value $0.15 per share | 2.6k | $80.06 | $211.3k | | 08/15/2023 |
| 07/01/2023 | Kissire Deborah J. | Director | Grant | Common Stock, par value $0.15 per share | 459.8 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | Gerstein Mark D | Director | Grant | Common Stock, par value $0.15 per share | 459.8 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | Gerstein Mark D | Director | Grant | Common Stock, par value $0.15 per share | 236.47 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | Pineda Patricia Salas | Director | Grant | Common Stock, par value $0.15 per share | 459.8 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | Hawkins Ronnie S. | Director | Grant | Common Stock, par value $0.15 per share | 459.8 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | Williams Valerie | Director | Grant | Common Stock, par value $0.15 per share | 459.8 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | CHOKSI MARY C | Director | Grant | Common Stock, par value $0.15 per share | 459.8 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | RICE LINDA JOHNSON | Director | Grant | Common Stock, par value $0.15 per share | 460 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | COLEMAN LEONARD S JR | Director | Grant | Common Stock, par value $0.15 per share | 459.8 | $0.00 | $0 | | 07/01/2023 |
| 07/01/2023 | MARTORE GRACIA C | Director | Grant | Common Stock, par value $0.15 per share | 459.8 | $0.00 | $0 | | 07/01/2023 |
| 06/08/2023 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sale | Common Stock, par value $0.15 per share | 1.8k | $94.12 | $169.4k | | 06/08/2023 |
| 06/08/2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Sale | Common Stock, par value $0.15 per share | 25k | $94.71 | $2.4M | | 06/08/2023 |
| 05/15/2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Payment of Exercise | Common Stock, par value $0.15 per share | 2.6k | $91.72 | $235.1k | | 05/15/2023 |
| 05/15/2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Payment of Exercise | Common Stock, par value $0.15 per share | 7.7k | $91.72 | $708.6k | | 05/15/2023 |
| 05/15/2023 | Tarlowe Rochelle M. | Senior VP and Treasurer | Payment of Exercise | Common Stock, par value $0.15 per share | 736 | $91.72 | $67.5k | | 05/15/2023 |
| 05/01/2023 | Januzzi Louis F | Senior VP, Gen. Counsel & Sec. | Grant | Common Stock, par value $0.15 per share | 5.4k | $0.00 | $0 | | 05/01/2023 |
| 05/01/2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Grant | Common Stock, par value $0.15 per share | 26k | $0.00 | $0 | | 05/01/2023 |
| 04/27/2023 | RICE LINDA JOHNSON | Director | Sale | Common Stock, par value $0.15 per share | 1.7k | $89.75 | $152.6k | | 04/27/2023 |
| 04/01/2023 | RICE LINDA JOHNSON | Director | Grant | Common Stock, par value $0.15 per share | 464 | $0.00 | $0 | | 04/01/2023 |
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