content: <?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>0001475423</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000801337</issuerCik>
        <issuerName>Webster Financial Corporation</issuerName>
        <secFileNumber>001-31486</secFileNumber>
        <issuerAddress>
          <com:street1>200 Elm Street</com:street1>
          <com:city>Stamford,</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06902</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>203-578-2202</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Glenn MacInnes</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Former CEO</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>20000</noOfUnitsSold>
        <aggregateMarketValue>1017000</aggregateMarketValue>
        <noOfUnitsOutstanding>171426372</noOfUnitsOutstanding>
        <approxSaleDate>11/06/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/22/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
        <paymentDate>02/22/2020</paymentDate>
        <natureOfPayment>NA</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Glenn &amp; Jill MacInness</name>
          <address>
            <com:street1>905 Rainbow Trl</com:street1>
            <com:city>Orange</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06477</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>10/22/2024</saleDate>
        <amountOfSecuritiesSold>6500</amountOfSecuritiesSold>
        <grossProceeds>337428.36</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Glenn &amp; Jill MacInness</name>
          <address>
            <com:street1>905 Rainbow Trl</com:street1>
            <com:city>Orange</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06477</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>10/23/2024</saleDate>
        <amountOfSecuritiesSold>15464</amountOfSecuritiesSold>
        <grossProceeds>805818.99</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Glenn &amp; Jill MacInness</name>
          <address>
            <com:street1>905 Rainbow Trl</com:street1>
            <com:city>Orange</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06477</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>10/28/2024</saleDate>
        <amountOfSecuritiesSold>2310</amountOfSecuritiesSold>
        <grossProceeds>120841.51</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Glenn &amp; Jill MacInness</name>
          <address>
            <com:street1>905 Rainbow Trl</com:street1>
            <com:city>Orange</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06477</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>10/29/2024</saleDate>
        <amountOfSecuritiesSold>25726</amountOfSecuritiesSold>
        <grossProceeds>1336868.41</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>The shares represented on this filing were acquired during 02/22/2020 - 03/02/2023.</remarks>
      <noticeSignature>
        <noticeDate>11/06/2024</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Glenn MacInnes</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 5276}]
text: 144
  0001475423
  XXXXXXXX
  LIVE
  0000801337
  Webster Financial Corporation
  001-31486
  200 Elm Street
  Stamford,
  CT
  06902
  203-578-2202
  Glenn MacInnes
  Former CEO
  Common
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  20000
  1017000
  171426372
  11/06/2024
  NYSE
  Common
  02/22/2020
  Compensation
  Issuer
  N
  20000
  02/22/2020
  NA
  N
  Glenn & Jill MacInness
  905 Rainbow Trl
  Orange
  CT
  06477
  Common
  10/22/2024
  6500
  337428.36
  Glenn & Jill MacInness
  905 Rainbow Trl
  Orange
  CT
  06477
  Common
  10/23/2024
  15464
  805818.99
  Glenn & Jill MacInness
  905 Rainbow Trl
  Orange
  CT
  06477
  Common
  10/28/2024
  2310
  120841.51
  Glenn & Jill MacInness
  905 Rainbow Trl
  Orange
  CT
  06477
  Common
  10/29/2024
  25726
  1336868.41
  The shares represented on this filing were acquired during 02/22/2020 - 03/02/2023.
  11/06/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Glenn MacInnes