X0306 4 2022-09-12 0001632127 Cable One, Inc. CABO 0001159015 GAYNER THOMAS SINNICKSON C/O CABLE ONE, INC. 210 E. EARLL DRIVE PHOENIX AZ 85012 1 Common Stock, par value $0.01 2022-09-12 4 P 0 500 1094.74 A 11700 I By Markel Corporation Common Stock, par value $0.01 2319 D Thomas S. Gayner is the Co-Chief Executive Officer of Markel Corporation. These shares of Common Stock are held for the account of a number of beneficial owners in which the Reporting Person disclaims beneficial ownership. /s/ Peter N. Witty for Thomas S. Gayner 2022-09-13