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



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    <issuerInfo>
      <issuerCik>0001441236</issuerCik>
      <issuerName>Clearwater Paper Corp</issuerName>
      <secFileNumber>001-34146</secFileNumber>
      <issuerAddress>
        <com:street1>601 WEST RIVERSIDE AVENUE</com:street1>
        <com:street2>SUITE 1100</com:street2>
        <com:city>SPOKANE</com:city>
        <com:stateOrCountry>WA</com:stateOrCountry>
        <com:zipCode>99201</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>509.344.5900</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Murphy Michael John</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>2681</noOfUnitsSold>
      <aggregateMarketValue>88365.76</aggregateMarketValue>
      <noOfUnitsOutstanding>16761869</noOfUnitsOutstanding>
      <approxSaleDate>04/14/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/13/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2681</amountOfSecuritiesAcquired>
      <paymentDate>04/13/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Michael Murphy</name>
        <address>
          <com:street1>601 West Riverside</com:street1>
          <com:street2>Suite 1100</com:street2>
          <com:city>Spokane</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>99201</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/28/2023</saleDate>
      <amountOfSecuritiesSold>5041</amountOfSecuritiesSold>
      <grossProceeds>193204.25</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/14/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>11/21/2022</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael Murphy</signature>
    </noticeSignature>
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144
0001625459
XXXXXXXX
LIVE
0001441236
Clearwater Paper Corp
001-34146
601 WEST RIVERSIDE AVENUE
SUITE 1100
SPOKANE
WA
99201
509.344.5900
Murphy Michael John
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
2681
88365.76
16761869
04/14/2023
NYSE
Common
04/13/2023
Restricted Stock Vesting
Issuer
N
2681
04/13/2023
Compensation
N
Michael Murphy
601 West Riverside
Suite 1100
Spokane
WA
99201
Common
02/28/2023
5041
193204.25
04/14/2023
11/21/2022
/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael Murphy