Common use of REINSURANCE PREMIUM Clause in Contracts

REINSURANCE PREMIUM. Rate applied to Second Layer Subject Earned Premium Workers’ Compensation 0.320 % Estimated Subject Earned Premium: $ 547,293,758 Effective: January 1, 2010 Page 31 of 42 Workers’ Compensation Excess of Loss Reinsurance Addendum 3 No. 0100200-SUM09

REINSURANCE PREMIUM. Rate applied to Second Layer Subject Earned Premium Workers’ Compensation 0.320 0.142 % Estimated Subject Earned Premium: $ 547,293,758 712,464,000 Effective: January 1, 2010 Page 31 29 of 42 36 Workers’ Compensation Excess of Loss Reinsurance Addendum 3 1 No. 0100200-SUM09SUM08 SUPPLEMENT TO THE ATTACHMENTS DEFINITION OF IDENTIFICATION TERMS USED WITHIN THE ATTACHMENTS

REINSURANCE PREMIUM. Rate applied to Second Layer Subject Earned Premium Workers’ Compensation 0.320 0.811 % Estimated Subject Earned Premium: $ 547,293,758 712,464,000 Effective: January 1, 2010 Page 31 27 of 42 36 Workers’ Compensation Excess of Loss Reinsurance Addendum 3 1 No. 0100200-SUM09SUM08 EXHIBIT C — THIRD EXCESS OF LOSS

REINSURANCE PREMIUM. Rate applied to Second Layer Subject Earned Premium Workers’ Compensation 0.320 0.284 % Estimated Subject Earned Premium: $ 547,293,758 712,464,000 Effective: January 1, 2010 Page 31 28 of 42 36 Workers’ Compensation Excess of Loss Reinsurance Addendum 3 NoXxxxxxxx 0 Xx. 01002000000000-SUM09XXX00 XXXXXXX X — FOURTH EXCESS OF LOSS

REINSURANCE PREMIUM. Rate applied to Second Layer Subject Earned Premium Workers’ Compensation 0.320 0.450 % Estimated Subject Earned Premium: $ 547,293,758 Effective: January 1, 2010 Page 31 29 of 42 Workers’ Compensation Excess of Loss Reinsurance Addendum 3 No. 0100200-SUM09