X0306 4 2020-03-16 0001632127 Cable One, Inc. CABO 0001644052 Laulis Julia M. C/O CABLE ONE, INC. 210 E. EARLL DRIVE PHOENIX AZ 85012 1 1 COB, President and CEO Common Stock, par value $0.01 2020-03-16 4 M 0 997 422.31 A 4889 D Common Stock, par value $0.01 2020-03-16 4 D 0 306 1377.88 D 4583 D Common Stock, par value $0.01 2020-03-16 4 S 0 691 1210 D 3892 D Common Stock, par value $0.01 4547 I By Trust Stock Appreciation Rights 422.31 2020-03-16 4 M 0 997 0 D 2025-09-01 Common Stock, par value $0.01 997 2993 D The exercise of stock appreciation rights (SARs) and the disposition and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 13, 2019. This represents the difference between the number of SARs exercised (997) and the number of shares issued as a result of the exercise (691). Each SAR represents the right, upon exercise, to receive a number of shares of Common Stock equal in value to the amount, if any, by which the fair market value of Common Stock (as determined on the date of the exercise) exceeds the exercise price. 4,547 shares are held by the John D. Laulis & Julia M. Laulis, a living trust, dated August 29, 2000. The Reporting Person was granted 13,300 SARs on September 1, 2015. The SARs vested and became exercisable as to 25% of the number of underlying shares covered by the grant on each of the first four anniversaries of the date of grant. /s/ Peter N. Witty for Julia M. Laulis 2020-03-17