X0306 4 2018-03-01 0 0001441236 Clearwater Paper Corp CLW 0001725657 Kitch Arsen S. 601 WEST RIVERSIDE AVE. SPOKANE WA 99201 0 1 0 0 Vice President Common Stock 2018-03-01 4 F 0 76 37.60 D 3979 D Common Stock 2018-03-05 4 A 0 2443 37.45 A 6422 D Employee Stock Options (right to buy) 37.45 2018-03-05 4 A 0 7332 0.00 A 2028-03-05 Common Stock 7332 19932 D Represents shares withheld by Clearwater Paper Corporation to satisfy tax withholding requirements due at settlement of restricted stock units, that vested March 1, 2018. Represents award of restricted stock units ("RSUs"). RSUs may be settled only for shares of common stock on a one-for-one basis. Represents award of RSUs that will vest 33%, 33%, 34% on March 5, 2019, 2020 and 2021, respectively, assuming continued employment. During the vesting period, an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock will be converted into additional RSUs. These options become exercisable 33%, 33% and 34% on March 5, 2019, 2020 and 2021, respectively, assuming continued employment. /s/ Michael S. Gadd, Attorney-in-Fact 2018-03-05