| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Roche John C | President and CEO, Director | C/O THE HANOVER INSURANCE GROUP, INC., 440 LINCOLN STREET, WORCESTER | /s/ Lindsay L. Katz pursuant to Confirming Statement | 2025-12-03 | 0001428157 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | THG | Common Stock | Tax liability | -$71K | -382 | -0.31% | $185.91 | 124K | Dec 1, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Reflects shares withheld from restricted stock unit awards to cover FICA and related income tax obligations for executives eligible for retirement vesting under the terms of such awards. |
| F2 | Does not include 14,454 shares held by the Reporting Person's spouse. |