X0306 4 2016-02-10 0 0000944695 HANOVER INSURANCE GROUP, INC. THG 0001526476 Stuchbery Robert A 440 LINCOLN STREET E-10 WORCESTER MA 01653 0 1 0 0 President, Int'l Operations Common Stock 2016-02-10 4 S 0 11500 81.99 D 0 I By Spouse Does not include 2,300 shares held directly by the Reporting Person and 598 shares held indirectly by the Trustee of The Chaucer Share Incentive Plan. /s/ Matthew R. Frascella pursuant to Confirming Statement 2016-02-12