CONFIRMING STATEMENT



This Statement confirms that the undersigned, Ann K. Tripp,

has authorized and designated each of Charles F. Cronin,

J. Kendall Huber, Walter H. Stowell, and Matthew R. Frascella, acting

singly, to execute and file on the undersigned's behalf, individually

and in the undersigned's capacity as a trustee for various family

trusts, all Forms 3, 4 and 5 (including any amendments thereto) that

the undersigned may be required to file with the Securities and

Exchange Commission as a result of the undersigned's ownership of or

transactions in securities of The Hanover Insurance Group, Inc.

The authority of Charles F. Cronin, J. Kendall Huber, Walter H.

Stowell, and Matthew R. Frascella under this Statement shall continue

until the undersigned is no longer required to file Forms 3, 4 and 5

with regard to the undersigned's ownership of or transactions in the

securities of The Hanover Insurance Group, Inc., unless earlier

revoked in writing.  The undersigned acknowledges that

Charles F. Cronin, J. Kendall Huber, Walter H. Stowell, and

Matthew R. Frascella are not assuming any of the undersigned's

responsibilities to comply with Section 16 of the Securities

Exchange Act of 1934.



/s/ Ann K. Tripp

Dated: April 27, 2018