X0306 4 2023-02-27 0 0001441236 Clearwater Paper Corp CLW 0001899915 Urlick Michael J 601 W. RIVERSIDE AVE. SUITE 1100 SPOKANE WA 99201 0 1 0 0 Sr. VP, GM, CPD Common Stock 2023-02-27 4 A 0 4301 0.00 A 16142 D 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 15, 2024, 2025 and 2026, 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. /s/ Michael S. Gadd, Attorney-in-fact 2023-03-01