content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001196045</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001745916</issuerCik>
        <issuerName>PennyMac Financial Services, Inc.</issuerName>
        <secFileNumber>001-38727</secFileNumber>
        <issuerAddress>
          <com:street1>3043 Townsgate Road</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>91361</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>818-224-7028</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Joseph F. Mazzella</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue</com:street1>
            <com:street2>6th Floor</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>12000</noOfUnitsSold>
        <aggregateMarketValue>1075920</aggregateMarketValue>
        <noOfUnitsOutstanding>49925752</noOfUnitsOutstanding>
        <approxSaleDate>12/18/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>11/01/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Gift</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Joseph Mazzella</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>Y</isGiftTransaction>
        <donarAcquiredDate>05/01/2015</donarAcquiredDate>
        <amountOfSecuritiesAcquired>12000</amountOfSecuritiesAcquired>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>The shares filed today will be sold by the Mazzella Family Irrevocable Trust, Lauren Mazzella as Trustee</remarks>
      <noticeSignature>
        <noticeDate>12/18/2023</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Joseph F. Mazzella</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3008}]
text: 144
  0001196045
  XXXXXXXX
  LIVE
  0001745916
  PennyMac Financial Services, Inc.
  001-38727
  3043 Townsgate Road
  Westlake
  CA
  91361
  818-224-7028
  Joseph F. Mazzella
  Director
  Common Stock
  J.P. Morgan Securities LLC
  390 Madison Avenue
  6th Floor
  New York
  NY
  10017
  12000
  1075920
  49925752
  12/18/2023
  NYSE
  Common Stock
  11/01/2018
  Gift
  Joseph Mazzella
  Y
  05/01/2015
  12000
  N/A
  Y
  The shares filed today will be sold by the Mazzella Family Irrevocable Trust, Lauren Mazzella as Trustee
  12/18/2023
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Joseph F. Mazzella