X0306 4 2022-03-03 0001573516 Murphy USA Inc. MUSA 0001235367 KEYES JAMES W 200 PEACH STREET EL DORADO AR 71730 1 Dividend Equivalent Units 2022-03-03 4 A 0 1.942 0 A Common Stock 1.942 10.756 D Dividend Equivalent Units 2022-03-03 4 A 0 1.717 0 A Common Stock 1.717 7.511 D Dividend Equivalent Units 2022-03-03 4 A 0 1.242 0 A Common Stock 1.242 1.242 D Reflects the accrual of dividend equivalent units on outstanding restricted stock units ("RSUs") granted to the Reporting Person under the 2013 Stock Plan for Non-employee Directors. Each dividend equivalent unit reflects the right to receive one share of common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSUs. Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 6, 2020. Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 8, 2021. Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 10, 2022. /s/ Gregory L. Smith, attorney-in-fact 2022-03-07