Attached files
file | filename |
---|---|
EX-32.1 - SECTION 906 CERTIFICATION - MARKEL CORP | mkl03312020ex321.htm |
EX-31.3 - SECTION 302 CERTIFICATION (PRINCIPAL FINANCIAL OFFICER) - MARKEL CORP | mkl03312020ex313.htm |
EX-31.2 - SECTION 302 CERTIFICATION (CO-PRINCIPAL EXECUTIVE OFFICER) - MARKEL CORP | mkl03312020ex312.htm |
EX-31.1 - SECTION 302 CERTIFICATION (CO-PRINCIPAL EXECUTIVE OFFICER) - MARKEL CORP | mkl03312020ex311.htm |
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