Exhibit 99.1



                            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 quarter ended
         September 30, 2002 (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: November 14, 2002