<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001663211</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>Mitchell Kevin J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>MERRILL LYNCH</name>
        <address>
          <com:street1>3455 PEACHTREE RD NE</com:street1>
          <com:street2>STE 1000</com:street2>
          <com:city>ATLANTA</com:city>
          <com:stateOrCountry>GA</com:stateOrCountry>
          <com:zipCode>30326</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>30000</noOfUnitsSold>
      <aggregateMarketValue>4170410.69</aggregateMarketValue>
      <noOfUnitsOutstanding>418569183</noOfUnitsOutstanding>
      <approxSaleDate>08/15/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>08/15/2024</acquiredDate>
      <natureOfAcquisitionTransaction>EXERCISE OF A STOCK AWARD</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>PHILLIPS 66</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>30000</amountOfSecuritiesAcquired>
      <paymentDate>08/15/2024</paymentDate>
      <natureOfPayment>COMPENSATORY PAYMENT</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>The exercise of stock options and sale of shares acquired upon exercise were made solely at the direction of the reporting person's ex-spouse pursuant to a domestic relations order. The reporting person's ex-spouse will retain the after-tax proceeds from the sales.</remarks>
    <noticeSignature>
      <noticeDate>08/15/2024</noticeDate>
      <signature>KEVIN J. MITCHELL</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
