CONFIRMING STATEMENT

This Statement confirms that the undersigned has authorized and designated
Claire S. Bean and Kathleen P. Sawyer, acting singly, to execute and file on the
undersigned's behalf all Forms 3, 4, and 5 (including any amendments thereto)
that the undersigned may be required to file with the U.S. Securities and
Exchange Commission as a result of the undersigned's ownership of or
transactions in securities of Benjamin Franklin Bancorp, Inc.  The authority of
Claire S. Bean and Kathleen P. Sawyer 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 securities of Benjamin
Franklin Bancorp, Inc., unless earlier revoked in writing.  The undersigned
acknowledges that Claire S. Bean and Kathleen P. Sawyer are not assuming any of
the undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

Date:  April 5, 2005


                                           /s/ Jonathan A. Haynes
                                           Jonathan A. Haynes