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      <issuerCik>0000073124</issuerCik>
      <issuerName>NORTHERN TRUST CORP</issuerName>
      <secFileNumber>001-36609</secFileNumber>
      <issuerAddress>
        <com:street1>50 S LASALLE ST</com:street1>
        <com:city>CHICAGO</com:city>
        <com:stateOrCountry>IL</com:stateOrCountry>
        <com:zipCode>60603</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>3126306000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Tribbett Charles A</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corporation</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1855</noOfUnitsSold>
      <aggregateMarketValue>160203.00</aggregateMarketValue>
      <noOfUnitsOutstanding>201637855</noOfUnitsOutstanding>
      <approxSaleDate>09/12/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/16/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Vested Shares</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1855</amountOfSecuritiesAcquired>
      <paymentDate>04/16/2024</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Charles A Tribbett III Trustee Charles A Tribbett III Revocable Trust</remarks>
    <noticeSignature>
      <noticeDate>09/12/2024</noticeDate>
      <signature>Charles A Tribbett III Trustee Charles A Tribbett III Revocable Trust</signature>
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144
0001323371
XXXXXXXX
LIVE
0000073124
NORTHERN TRUST CORP
001-36609
50 S LASALLE ST
CHICAGO
IL
60603
3126306000
Tribbett Charles A
Director
Common
Charles Schwab Corporation
3000 Schwab Way
Westlake
TX
76262
1855
160203.00
201637855
09/12/2024
NASDAQ
Common
04/16/2024
Vested Shares
Issuer
N
1855
04/16/2024
Equity Compensation
Y
Charles A Tribbett III Trustee Charles A Tribbett III Revocable Trust
09/12/2024
Charles A Tribbett III Trustee Charles A Tribbett III Revocable Trust