<?xml version="1.0" encoding="UTF-8"?><own:edgarSubmission xmlns:com="http://www.sec.gov/edgar/common" xmlns:own="http://www.sec.gov/edgar/ownership">
  <!-- Generated by Workiva -->
  <own:headerData>
    <own:submissionType>144</own:submissionType>
    <own:filerInfo>
      <own:filer>
        <own:filerCredentials>
          <own:cik>0001659088</own:cik>
          <own:ccc>XXXXXXXX</own:ccc>
        </own:filerCredentials>
      </own:filer>
      <own:liveTestFlag>LIVE</own:liveTestFlag>



    </own:filerInfo>
  </own:headerData>
  <own:formData>
    <own:issuerInfo>
      <own:issuerCik>0001078271</own:issuerCik>
      <own:issuerName>EXTREME NETWORKS INC</own:issuerName>
      <own:secFileNumber>001-40423</own:secFileNumber>
      <own:issuerAddress>
        <com:street1>2121 RDU CENTER DRIVE</com:street1>
        <com:street2>SUITE 300</com:street2>
        <com:city>MORRISVILLE</com:city>
        <com:stateOrCountry>NC</com:stateOrCountry>
        <com:zipCode>27560</com:zipCode>
      </own:issuerAddress>
      <own:issuerContactPhone>408-579-2800</own:issuerContactPhone>
      <own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Katayoun Motiey</own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <own:relationshipsToIssuer>
        <own:relationshipToIssuer>Officer</own:relationshipToIssuer>
      </own:relationshipsToIssuer>
    </own:issuerInfo>
    <own:securitiesInformation>
      <own:securitiesClassTitle>Common</own:securitiesClassTitle>
      <own:brokerOrMarketmakerDetails>
        <own:name>Merrill Lynch</own:name>
        <own:address>
          <com:street1>555 California Street</com:street1>
          <com:street2>STE 1800</com:street2>
          <com:city>San Francisco</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94104</com:zipCode>
        </own:address>
      </own:brokerOrMarketmakerDetails>
      <own:noOfUnitsSold>7500</own:noOfUnitsSold>
      <own:aggregateMarketValue>225000</own:aggregateMarketValue>
      <own:noOfUnitsOutstanding>130778088</own:noOfUnitsOutstanding>
      <own:approxSaleDate>06/08/2026</own:approxSaleDate>
      <own:securitiesExchangeName>Nasdaq</own:securitiesExchangeName>
    </own:securitiesInformation>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>Common</own:securitiesClassTitle>
      <own:acquiredDate>08/16/2024</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>Equity Compensation</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>Issuer</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>7500</own:amountOfSecuritiesAcquired>
      <own:paymentDate>08/16/2024</own:paymentDate>
      <own:natureOfPayment>cash</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:nothingToReportFlagOnSecuritiesSoldInPast3Months>N</own:nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>Katayoun Motiey</own:name>
        <own:address>
          <com:street1>2121 RDU CENTER DRIVE</com:street1>
          <com:street2>SUITE 300</com:street2>
          <com:city>MORRISVILLE</com:city>
          <com:stateOrCountry>NC</com:stateOrCountry>
          <com:zipCode>27560</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common</own:securitiesClassTitle>
      <own:saleDate>05/14/2026</own:saleDate>
      <own:amountOfSecuritiesSold>7661</own:amountOfSecuritiesSold>
      <own:grossProceeds>191525</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>Katayoun Motiey</own:name>
        <own:address>
          <com:street1>2121 RDU CENTER DRIVE</com:street1>
          <com:street2>SUITE 300</com:street2>
          <com:city>MORRISVILLE</com:city>
          <com:stateOrCountry>NC</com:stateOrCountry>
          <com:zipCode>27560</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common</own:securitiesClassTitle>
      <own:saleDate>05/26/2026</own:saleDate>
      <own:amountOfSecuritiesSold>15000</own:amountOfSecuritiesSold>
      <own:grossProceeds>397500</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>Katayoun Motiey</own:name>
        <own:address>
          <com:street1>2121 RDU CENTER DRIVE</com:street1>
          <com:street2>SUITE 300</com:street2>
          <com:city>MORRISVILLE</com:city>
          <com:stateOrCountry>NC</com:stateOrCountry>
          <com:zipCode>27560</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common</own:securitiesClassTitle>
      <own:saleDate>06/01/2026</own:saleDate>
      <own:amountOfSecuritiesSold>7500</own:amountOfSecuritiesSold>
      <own:grossProceeds>210000</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>Katayoun Motiey</own:name>
        <own:address>
          <com:street1>2121 RDU CENTER DRIVE</com:street1>
          <com:street2>SUITE 300</com:street2>
          <com:city>MORRISVILLE</com:city>
          <com:stateOrCountry>NC</com:stateOrCountry>
          <com:zipCode>27560</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Common</own:securitiesClassTitle>
      <own:saleDate>06/02/2026</own:saleDate>
      <own:amountOfSecuritiesSold>7500</own:amountOfSecuritiesSold>
      <own:grossProceeds>217500</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:noticeSignature>
      <own:noticeDate>06/08/2026</own:noticeDate>
      <own:planAdoptionDates>
        <own:planAdoptionDate>09/04/2025</own:planAdoptionDate>
      </own:planAdoptionDates>
      <own:signature>Katayoun Motiey</own:signature>
    </own:noticeSignature>
  </own:formData>
</own:edgarSubmission>
