content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001216955</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001035443</issuerCik>
        <issuerName>Alexandria Real Estate Equities Inc</issuerName>
        <secFileNumber>001-12993</secFileNumber>
        <issuerAddress>
          <com:street1>26 North Euclid Avenue</com:street1>
          <com:city>Pasadena</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>91101</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>6265780777</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Joel Marcus</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>UBS Financial Services Inc</name>
          <address>
            <com:street1>1000 Harbor Blvd</com:street1>
            <com:street2>3rd Floor</com:street2>
            <com:city>Weehawken</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>07086</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>9500</noOfUnitsSold>
        <aggregateMarketValue>1156150</aggregateMarketValue>
        <noOfUnitsOutstanding>173010000</noOfUnitsOutstanding>
        <approxSaleDate>05/08/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/31/2016</acquiredDate>
        <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Alexandria Real Estate Equities</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>36900</amountOfSecuritiesAcquired>
        <paymentDate>03/31/2019</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>04/12/2013</acquiredDate>
        <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Alexandria Real Estate</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3975</amountOfSecuritiesAcquired>
        <paymentDate>04/12/2013</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/22/2016</acquiredDate>
        <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Alexandria Real Estate</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>50263</amountOfSecuritiesAcquired>
        <paymentDate>02/14/2019</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Joel Marcus</name>
          <address>
            <com:street1>26 North Euclid Avenue</com:street1>
            <com:city>Pasadena</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>91101</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Alexandria Real Estate Equities</securitiesClassTitle>
        <saleDate>02/07/2023</saleDate>
        <amountOfSecuritiesSold>9000</amountOfSecuritiesSold>
        <grossProceeds>1512000</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/08/2023</noticeDate>
        <signature>/s/ UBS Financial Services Inc, as attorney-in-fact for Joel Marcus</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4518}]
text: 144
  0001216955
  XXXXXXXX
  LIVE
  0001035443
  Alexandria Real Estate Equities Inc
  001-12993
  26 North Euclid Avenue
  Pasadena
  CA
  91101
  6265780777
  Joel Marcus
  Officer
  Common
  UBS Financial Services Inc
  1000 Harbor Blvd
  3rd Floor
  Weehawken
  NJ
  07086
  9500
  1156150
  173010000
  05/08/2023
  NYSE
  Common
  03/31/2016
  Private Placement
  Alexandria Real Estate Equities
  N
  36900
  03/31/2019
  Cash
  Common
  04/12/2013
  Private Placement
  Alexandria Real Estate
  N
  3975
  04/12/2013
  Cash
  Common
  03/22/2016
  Private Placement
  Alexandria Real Estate
  N
  50263
  02/14/2019
  Cash
  N
  Joel Marcus
  26 North Euclid Avenue
  Pasadena
  CA
  91101
  Alexandria Real Estate Equities
  02/07/2023
  9000
  1512000
  05/08/2023
  /s/ UBS Financial Services Inc, as attorney-in-fact for Joel Marcus