<?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>0001772603</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001534701</issuerCik>
      <issuerName>PHILLIPS 66</issuerName>
      <secFileNumber>001-35349</secFileNumber>
      <issuerAddress>
        <com:street1>2331 CITYWEST BLVD</com:street1>
        <com:city>HOUSTON</com:city>
        <com:stateOrCountry>TX</com:stateOrCountry>
        <com:zipCode>77042</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>832-765-3010</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>VANESSA ALLEN SUTHERLAND</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>OFFICER</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>MERRILL LYNCH</name>
        <address>
          <com:street1>3455 PEACHTREE RD NE SUITE 1000</com:street1>
          <com:city>ATLANTA</com:city>
          <com:stateOrCountry>GA</com:stateOrCountry>
          <com:zipCode>30326</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>4393</noOfUnitsSold>
      <aggregateMarketValue>615020</aggregateMarketValue>
      <noOfUnitsOutstanding>404124265</noOfUnitsOutstanding>
      <approxSaleDate>09/26/2025</approxSaleDate>
      <securitiesExchangeName>NEW YORK</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>01/17/2025</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK UNIT VEST</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>PHILLIPS 66</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4393</amountOfSecuritiesAcquired>
      <paymentDate>01/17/2025</paymentDate>
      <natureOfPayment>COMPENSATORY PAYMENT</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>VANESSA SUTHERLAND</name>
        <address>
          <com:street1>2331 CITYWEST BLVD</com:street1>
          <com:city>HOUSTON</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77042</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>09/09/2025</saleDate>
      <amountOfSecuritiesSold>4393</amountOfSecuritiesSold>
      <grossProceeds>593055</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>VANESSA SUTHERLAND</name>
        <address>
          <com:street1>2331 CITYWEST BLVD</com:street1>
          <com:city>HOUSTON</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77042</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>07/08/2025</saleDate>
      <amountOfSecuritiesSold>4393</amountOfSecuritiesSold>
      <grossProceeds>571090</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>09/26/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>02/12/2025</planAdoptionDate>
      </planAdoptionDates>
      <signature>VANESSA ALLEN SUTHERLAND</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
