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>0001594609</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>John R.  Ciulla</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Affiliate</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>8000</noOfUnitsSold>
        <aggregateMarketValue>479680</aggregateMarketValue>
        <noOfUnitsOutstanding>171410365</noOfUnitsOutstanding>
        <approxSaleDate>11/20/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/24/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award - Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>8000</amountOfSecuritiesAcquired>
        <paymentDate>02/24/2018</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>John Ciulla</name>
          <address>
            <com:street1>Care of Webster Financial Corporation</com:street1>
            <com:street2>200 Elm Street</com:street2>
            <com:city>Stamford</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06902</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>09/18/2024</saleDate>
        <amountOfSecuritiesSold>5584</amountOfSecuritiesSold>
        <grossProceeds>268066.85</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>John Ciulla</name>
          <address>
            <com:street1>Care of Webster Financial Corporation</com:street1>
            <com:street2>200 Elm Street</com:street2>
            <com:city>Stamford</com:city>
            <com:stateOrCountry>CT</com:stateOrCountry>
            <com:zipCode>06902</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>09/19/2024</saleDate>
        <amountOfSecuritiesSold>2416</amountOfSecuritiesSold>
        <grossProceeds>116260.71</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>Shares to be sold were acquired as compensation during 02/24/18 - 02/26/19.</remarks>
      <noticeSignature>
        <noticeDate>11/20/2024</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact forJohn R. Ciulla</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001594609
  XXXXXXXX
  LIVE
  0000801337
  Webster Financial Corporation
  001-31486
  200 Elm Street
  Stamford
  CT
  06902
  203-578-2202
  John R.  Ciulla
  Affiliate
  Common
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  8000
  479680
  171410365
  11/20/2024
  NYSE
  Common
  02/24/2018
  Stock Award - Compensation
  Issuer
  N
  8000
  02/24/2018
  Compensation
  N
  John Ciulla
  Care of Webster Financial Corporation
  200 Elm Street
  Stamford
  CT
  06902
  Common
  09/18/2024
  5584
  268066.85
  John Ciulla
  Care of Webster Financial Corporation
  200 Elm Street
  Stamford
  CT
  06902
  Common
  09/19/2024
  2416
  116260.71
  Shares to be sold were acquired as compensation during 02/24/18 - 02/26/19.
  11/20/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact forJohn R. Ciulla