X0508 4 2023-09-07 0001573516 Murphy USA Inc. MUSA 0001684248 CHUMLEY ROBERT J 200 PEACH STREET EL DORADO AR 71730 1 SVP, Chief Digital Officer 0 Dividend Equivalent Units 2023-09-07 4 A 0 1.369 0 A Common Stock 1.369 17.635 D Dividend Equivalent Units 2023-09-07 4 A 0 0.927 0 A Common Stock 0.927 6.742 D Dividend Equivalent Units 2023-09-07 4 A 0 0.676 0 A Common Stock 0.676 2.174 D Reflects dividend equivalent units accrued on RSUs granted to the Reporting Person under the Plan. Each dividend equivalent unit reflects the right to receive common stock, subject to the terms and conditions (including vesting and settlement terms) applicable to the corresponding RSU. Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 10, 2021. Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 9, 2022. Reflects the accrual of dividend equivalent units on RSUs granted to the Reporting Person on February 8, 2023. /s/ Gregory L. Smith, attorney-in-fact 2023-09-08