| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Donnell William E. | Director | C/O THE HANOVER INSURANCE GROUP, INC., 440 LINCOLN STREET, WORCESTER | /s/ Lindsay L. Katz, Attorney-in-Fact | 15 May 2025 | 0002066634 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | THG | Common Stock | 0 | 13 May 2025 | Direct |
Exhibit 24 - Power of Attorney