0001096343-21-000184.txt : 20211209 0001096343-21-000184.hdr.sgml : 20211209 20211209164630 ACCESSION NUMBER: 0001096343-21-000184 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20211207 FILED AS OF DATE: 20211209 DATE AS OF CHANGE: 20211209 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: COX ROBERT C CENTRAL INDEX KEY: 0001242382 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-15811 FILM NUMBER: 211482492 MAIL ADDRESS: STREET 1: 3 MOUNTAIN VIEW RD CITY: WARREN STATE: NJ ZIP: 07059 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MARKEL CORP CENTRAL INDEX KEY: 0001096343 STANDARD INDUSTRIAL CLASSIFICATION: FIRE, MARINE & CASUALTY INSURANCE [6331] IRS NUMBER: 541959284 STATE OF INCORPORATION: VA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 4521 HIGHWOODS PARKWAY CITY: GLEN ALLEN STATE: VA ZIP: 23060-6148 BUSINESS PHONE: 8047470136 MAIL ADDRESS: STREET 1: 4521 HIGHWOODS PKWY CITY: GLEN ALLEN STATE: VA ZIP: 23060 FORMER COMPANY: FORMER CONFORMED NAME: MARKEL HOLDINGS INC DATE OF NAME CHANGE: 19991005 4 1 wf-form4_163908636760731.xml FORM 4 X0306 4 2021-12-07 0 0001096343 MARKEL CORP MKL 0001242382 COX ROBERT C C/O MARKEL CORPORATION 4521 HIGHWOODS PARKWAY GLEN ALLEN VA 23060 0 1 0 0 Pres. & COO, Insur. Operations Common Stock 2021-12-07 4 F 0 184 1249.50 D 2013 D Common Stock 21.984 I 401(K) Plan The information reported herein is based on Markel Corporation 401(K) Plan balances as of September 30, 2021. /s/ Karen O. Earls, Attorney-in-fact for Robert C. Cox 2021-12-09 EX-24 2 a2021confirmingstatementcox.htm 2021 - COX POA 01-04-2021

CONFIRMING STATEMENT

This Statement confirms that the undersigned has authorized and designated Richard R. Grinnan,
Jeremy A. Noble, Karl M. Strait, Anna M. King, Brian D. Sorkin or Karen O. Earls (each an "Authorized
Signer") to execute and file (in any permitted format) on the undersigned's behalf all Forms 3, 4 and 5
(including any amendments thereto) and Form 144s that the undersigned may be required to file with the United States
Securities and Exchange Commission as a result of the undersigned's ownership of, or
transactions in, securities of Markel Corporation. Any such previous authorization is hereby revoked. Each
Authorized Signer is authorized to obtain CIK and EDGAR access codes and take all such other actions as
may be necessary or desirable to permit electronic filings of such forms. The authority of each Authorized Signer
under this Statement shall continue until the undersigned is no longer required to file Forms 3, 4 or 5 or Form 144s
with regard to the undersigned's ownership of, or transactions in, securities of Markel
Corporation, unless earlier revoked in writing. The undersigned acknowledges that none of the Authorized
Signers or Markel Corporation is assuming any of the undersigned's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934 or Rule 144.

Date: 1/4/2021 | 1:55 PM EST             /s/ Robert C. Cox
                        Signature



                        Robert C. Cox
                        Printed Name