X0306 4 2019-02-06 0001573516 Murphy USA Inc. MUSA 0001583749 Smith Donald R Jr 200 PEACH ST EL DORADO AR 71730 1 VP & Corporate Controller Common Stock 2019-02-06 4 M 0 2970 0 A 13816 D Common Stock 2019-02-06 4 F 0 1442 76.15 D 12374 D Common Stock 548 I Trustee of Company Thrift Plan Performance Stock Unit 2019-02-06 4 M 0 2970 0 D Common Stock 2970 3000 D Performance Stock Unit 2019-02-06 4 A 0 1400 0 A Common Stock 1400 4400 D Restricted Stock Unit 2019-02-06 4 A 0 700 0 A Common Stock 700 3100 D Stock Option 76.15 2019-02-06 4 A 0 2700 76.15 A 2026-02-06 Common Stock 2700 2700 D As a result of the determination of the amount of PSUs earned for the performance period ended December 31, 2018, this total includes the incremental number of PSUs (that is, 165.0% of the target amount, or 1,170 PSUs above the target number of 1,800 originally reported on the Form 4 when the PSU grant was made). Time based restricted stock award granted under the 2013 Long-term Incentive Plan. These Securities generally do not carry a Conversion Price, Exercisable Date, or Expiration Date. Includes an adjustment of 865 additional units to correct error on 2/7/2018 Form 4. 2,265 PSUs achieved were subtracted from the total instead of 1,400 PSUs, which was the target number. The option vests in two equal installments, the first half two years after the grant date and the final half three years after the grant date. /s/ Gregory L. Smith, attorney-in-fact 2019-02-08