The Hanover's CEO Establishes Pre-Arranged Stock Trading Plan

The Hanover Insurance Group, Inc.

today announced that Frederick H. Eppinger, the company's chief executive officer, has entered into a pre-arranged stock trading plan. Under the plan, Eppinger is allowed to exercise up to 150,000 options to purchase The Hanover's common stock and to sell the shares upon the exercise of those options. The pre-arranged stock trading plan covers options granted to Eppinger in August 2003, when he first joined the company, and that otherwise will expire in August 2013.