Exhibit 10.1

The Hanover Insurance Group, Inc.

2013-2014 Compensation of Non-Employee Directors

— For the annual service period beginning on May 14, 2013, the date of the 2013
Annual Meeting of Shareholders—

 

Standard Fees

  

Description

Annual Director Retainer

  

- Stock Component

   - $115,000 valuation    - Granted on May 14, 2013. Issued pursuant to
Company’s 2006 Long-Term Incentive Plan (the “2006 Plan”)

- Cash Component

   - $75,000    - Payable on or after May 14, 2013

Committee Chairperson Annual Retainer

   - $9,000 for the chairperson of the Nominating and Corporate Governance
Committee, payable on or after May 14, 2013    - $12,500 for the chairperson of
the Compensation Committee, payable on or after May 14, 2013    - $20,000 for
the chairperson of the Audit Committee, payable on or after May 14, 2013

Chairman of the Board Retainer

  

- $100,000

- Payable on or after May 14, 2013

Committee Annual Retainer

   - $4,500 for each member of the Nominating and Corporate Governance
Committee, payable on or after May 14, 2013    - $6,250 for each member of the
Compensation Committee, payable on or after May 14, 2013    - $10,000 for each
member of the Audit Committee, payable on or after May 14, 2013

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Other

    

Deferred Compensation Plan

   - Directors may defer receipt of their cash and stock compensation. Deferred
cash amounts are accrued in a memorandum account that is credited with interest
derived from the so-called General Agreement on Tariffs and Trade (GATT) Rate
(2.80% in 2013). At the election of each director, cash deferrals of retainers
may be converted to Common Stock of the Company with such stock issued pursuant
to the 2006 Plan

Conversion Program

   - At the election of each director, cash retainers may be converted into
Common Stock of the Company with such stock issued pursuant to the 2006 Plan

Reimbursable Expenses

   - Travel and related expenses incurred in connection with service on the
Board of Directors and its Committees

Matching Charitable Contributions

   - Company will provide matching contributions to qualified charitable
organizations up to $5,000 per director per year