EX-99.1 4 ex-991.txt DONEGAL MUTUAL INSURANCE COMPANY 401(k) PLAN EXHIBIT 99 Certification Pursuant to 18 U.S.C. Section 1350 As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Each of the undersigned hereby certifies, for the purposes of Section 1350 of Chapter 63 of title 18 of the United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in his capacity as a trustee of the Donegal Mutual Insurance Company 401(k) Plan (the "Plan"), that, to his knowledge: 1. The Plan's Form 11-K Annual Report for the year ended December 31, 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 Report fairly presents, in all material respects, the net assets available for benefits and changes in net assets available for benefits of the Plan. Date: June 27, 2003 /s/ Donald H. Nikolaus ------------------------------------- Donald H. Nikolaus, Trustee Date: June 27, 2003 /s/ Ralph G. Spontak ------------------------------------- Ralph G. Spontak, Trustee Date: June 27, 2003 /s/ Daniel J. Wagner ------------------------------------- Daniel J. Wagner, Trustee DONEGAL MUTUAL INSURANCE COMPANY 401(k) PLAN A signed original of this written statement pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to the Plan and will be retained by the Plan and furnished to the Securities and Exchange Commission or its staff upon request.