<?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>0001890011</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000066740</issuerCik>
      <issuerName>3M Company</issuerName>
      <secFileNumber>001-03285</secFileNumber>
      <issuerAddress>
        <com:street1>3M Center</com:street1>
        <com:city>St. Paul</com:city>
        <com:stateOrCountry>MN</com:stateOrCountry>
        <com:zipCode>55144-1000</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>651-733-1110</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>B. Karina Chavez Rodriguez</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>426</noOfUnitsSold>
      <aggregateMarketValue>40312.38</aggregateMarketValue>
      <noOfUnitsOutstanding>552700000</noOfUnitsOutstanding>
      <approxSaleDate>02/14/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/02/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>B. Karina Chavez Rodriguez</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>183</amountOfSecuritiesAcquired>
      <paymentDate>02/02/2024</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/05/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Equity Compensation</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>B. Karina Chavez Rodriguez</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>243</amountOfSecuritiesAcquired>
      <paymentDate>02/02/2024</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>02/14/2024</noticeDate>
      <signature>Patricia L. Meagher, attorney-in-fact for B. Karina Chavez Rodriguez</signature>
    </noticeSignature>
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144
0001890011
XXXXXXXX
LIVE
0000066740
3M Company
001-03285
3M Center
St. Paul
MN
55144-1000
651-733-1110
B. Karina Chavez Rodriguez
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
426
40312.38
552700000
02/14/2024
NYSE
Common
02/02/2024
Restricted Stock Vesting
B. Karina Chavez Rodriguez
N
183
02/02/2024
Compensation
Common
02/05/2024
Equity Compensation
B. Karina Chavez Rodriguez
N
243
02/02/2024
Compensation
Y
02/14/2024
Patricia L. Meagher, attorney-in-fact for B. Karina Chavez Rodriguez