| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lowsley Denise | Executive Vice President | C/O THE HANOVER INSURANCE GROUP, INC., 440 LINCOLN STREET, WORCESTER | /s/ Lindsay L. Katz pursuant to Confirming Statement | 13 Nov 2025 | 0001572984 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | THG | Common Stock | Sale | $293,800 | -1,619 | -32% | $181.47 | 3,511 | 12 Nov 2025 | Direct |