X0306 4 2016-01-04 0 0000944695 HANOVER INSURANCE GROUP, INC. THG 0001227463 ANGELINI MICHAEL P C/O THE HANOVER INSURANCE GROUP, INC. 440 LINCOLN STREET WORCESTER MA 01653 1 0 0 0 Common Stock 2016-01-04 5 J 0 E 6844 D 16667 I Deferral Agreement / Family Trust Common Stock 2016-01-04 5 J 0 E 6844 A 50746 D Change of ownership from indirect to direct pursuant to the terms of a deferral agreement for stock previously awarded (but deferred) under the Issuer's 2006 Long-Term Incentive Plan. Includes 14,667 shares deferred at the election of the Reporting Person that are held indirectly in a Rabbi Trust and 2,000 shares held indirectly by the Domenic A. Angelini Residuary Trust u/a dated 10/25/03. /s/ Matthew R. Frascella pursuant to Confirming Statement 2016-01-06