| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Leveton Jay | President | C/O STAGWELL INC., ONE WORLD TRADE CENTER, FLOOR 65, NEW YORK | /s/ Jay Leveton | 13 Mar 2026 | 0001876913 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STGW | Class A Common Stock | Disposed to Issuer | -664,754 | -26% | $6.17* | 1,912,414 | 11 Mar 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents shares repurchased by the Issuer from the Reporting Person in connection with the Reporting Person's tax obligations resulting from the April 4, 2025 exchange by Stagwell Media LP of shares of Class C Common Stock of the Issuer, together with the corresponding interest in a subsidiary of the Issuer, for shares of Class A Common Stock (the "Exchange"). The shares repurchased are a portion of the shares distributed to the Reporting Person as a result of the Exchange. |
| F2 | Reflects a 1% discount to the closing price of the Class A Common Stock on the transaction date. |