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      <filer>
        <filerCredentials>
          <cik>0001684248</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



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    <issuerInfo>
      <issuerCik>0001573516</issuerCik>
      <issuerName>Murphy USA Inc.</issuerName>
      <secFileNumber>001-35914</secFileNumber>
      <issuerAddress>
        <com:street1>200 PEACH STREET</com:street1>
        <com:city>EL DORADO</com:city>
        <com:stateOrCountry>AR</com:stateOrCountry>
        <com:zipCode>71730-5836</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(870) 875-7600</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>CHUMLEY ROBERT J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>FIDELITY BROKERAGE SERVICES, LLC</name>
        <address>
          <com:street1>900 SALEM STREET</com:street1>
          <com:city>SMITHFIELD</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>3</noOfUnitsSold>
      <aggregateMarketValue>878.25</aggregateMarketValue>
      <noOfUnitsOutstanding>21783237</noOfUnitsOutstanding>
      <approxSaleDate>05/08/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>05/05/2023</acquiredDate>
      <natureOfAcquisitionTransaction>STOCK OPTIONS EXERCISED</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3</amountOfSecuritiesAcquired>
      <paymentDate>05/05/2023</paymentDate>
      <natureOfPayment>CASH</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/08/2023</noticeDate>
      <signature>/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Chumley</signature>
    </noticeSignature>
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144
0001684248
XXXXXXXX
LIVE
0001573516
Murphy USA Inc.
001-35914
200 PEACH STREET
EL DORADO
AR
71730-5836
(870) 875-7600
CHUMLEY ROBERT J
Officer
COMMON
FIDELITY BROKERAGE SERVICES, LLC
900 SALEM STREET
SMITHFIELD
RI
02917
3
878.25
21783237
05/08/2023
NYSE
COMMON
05/05/2023
STOCK OPTIONS EXERCISED
ISSUER
N
3
05/05/2023
CASH
Y
05/08/2023
/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Chumley