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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001629328</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000005513</issuerCik>
      <issuerName>Unum Group</issuerName>
      <secFileNumber>001-11294</secFileNumber>
      <issuerAddress>
        <com:street1>1 FOUNTAIN SQUARE</com:street1>
        <com:city>CHATTANOOGA</com:city>
        <com:stateOrCountry>TN</com:stateOrCountry>
        <com:zipCode>37402</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>423-294-1011</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Arnold Timothy Gerald</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>10000</noOfUnitsSold>
      <aggregateMarketValue>450000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>197068690</noOfUnitsOutstanding>
      <approxSaleDate>06/02/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/29/2018</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>9</amountOfSecuritiesAcquired>
      <paymentDate>06/29/2018</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>09/28/2018</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>10</amountOfSecuritiesAcquired>
      <paymentDate>09/28/2018</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/18/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5409</amountOfSecuritiesAcquired>
      <paymentDate>02/18/2019</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/29/2019</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>11</amountOfSecuritiesAcquired>
      <paymentDate>03/29/2019</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/28/2019</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>10</amountOfSecuritiesAcquired>
      <paymentDate>06/28/2019</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/22/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4551</amountOfSecuritiesAcquired>
      <paymentDate>02/22/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Timothy G. Arnold</name>
        <address>
          <com:street1>1 Fountain Square</com:street1>
          <com:city>Chattanooga</com:city>
          <com:stateOrCountry>TN</com:stateOrCountry>
          <com:zipCode>37402</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>05/31/2023</saleDate>
      <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
      <grossProceeds>222450.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/02/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>03/01/2023</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Timothy G. Arnold</signature>
    </noticeSignature>
  </formData>
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144
0001629328
XXXXXXXX
LIVE
0000005513
Unum Group
001-11294
1 FOUNTAIN SQUARE
CHATTANOOGA
TN
37402
423-294-1011
Arnold Timothy Gerald
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
10000
450000.00
197068690
06/02/2023
NYSE
Common
06/29/2018
ESPP Purchase
Issuer
N
9
06/29/2018
Cash
Common
09/28/2018
ESPP Purchase
Issuer
N
10
09/28/2018
Cash
Common
02/18/2019
Restricted Stock Vesting
Issuer
N
5409
02/18/2019
Compensation
Common
03/29/2019
ESPP Purchase
Issuer
N
11
03/29/2019
Cash
Common
06/28/2019
ESPP Purchase
Issuer
N
10
06/28/2019
Cash
Common
02/22/2022
Restricted Stock Vesting
Issuer
N
4551
02/22/2022
Compensation
N
Timothy G. Arnold
1 Fountain Square
Chattanooga
TN
37402
Common
05/31/2023
5000
222450.00
06/02/2023
03/01/2023
/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Timothy G. Arnold