Exhibit 32.1


                            CERTIFICATION PURSUANT TO
            SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



     Pursuant to Section  1350,  Chapter 63 of Title 18,  United States Code, as
     adopted  pursuant to Section  906 of the  Sarbanes-Oxley  Act of 2002,  the
     undersigned, as an executive officer of the chairman of Allmerica Financial
     Corporation (the "Company"),  does hereby certify that to the undersigned's
     knowledge:

     1)   the Company's  Quarterly Report on Form 10-Q for the period ended June
          30,  2003 (the  "Report")  fully  complies  with the  requirements  of
          Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

     2)   the information  contained in the Company's Report fairly presents, in
          all  material  respects,   the  financial  condition  and  results  of
          operations of the Company.



                              /s/ J. Kendall Huber
                              --------------------
                                J. Kendall Huber
                        Executive Officer of the Chairman


     Dated: August 13, 2003

     A signed  original of this  written  statement  required by Section 906 has
     been provided to Allmerica  Financial  Corporation  and will be retained by
     Allmerica  Financial  Corporation  and  furnished  to  the  Securities  and
     Exchange Commission or its staff upon request.