X0306 4 2023-01-03 0001632127 Cable One, Inc. CABO 0001644093 Bowker Michael E. C/O CABLE ONE, INC. 210 E. EARLL DRIVE PHOENIX AZ 85012 1 Chief Operating Officer Common Stock, par value $0.01 2023-01-03 4 F 0 206 696.09 D 3332 D Common Stock, par value $0.01 2023-01-03 4 A 0 1322 0 A 4654 D Represents the withholding of shares of Common Stock to satisfy tax withholding liability associated with the vesting of (i) restricted stock awards from previously reported grants, which were granted on January 3, 2019, 2020, 2021, and 2022 and which generally vest in four equal installments on each of the first four anniversaries of the respective date of grant, subject to the Reporting Person's continued employment with Cable One, Inc. through each such date, and (ii) performance-based restricted stock awards from a previously reported grant, which were granted on January 3, 2020 and which vested on January 3, 2023. Represents restricted stock units granted to the Reporting Person, which generally vest in three equal installments on each of the first three anniversaries of the date of grant, subject to the Reporting Person's continued employment with Cable One, Inc. through each such date. Shares of Common Stock will be delivered to the Reporting Person upon vesting of the restricted stock units. /s/ Peter N. Witty for Michael E. Bowker 2023-01-05