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        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001223581</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
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        <issuerInfo>
            <issuerCik>0001212545</issuerCik>
            <issuerName>WESTERN ALLIANCE BANCORPORATION</issuerName>
            <secFileNumber>001-32550</secFileNumber>
            <issuerAddress>
                <ns2:street1>One E. Washington Street</ns2:street1>
                <ns2:city>Phoenix</ns2:city>
                <ns2:stateOrCountry>AZ</ns2:stateOrCountry>
                <ns2:zipCode>85004</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(602) 389-3500</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ROBERT P. LATTA</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>2955</noOfUnitsSold>
            <aggregateMarketValue>239694.83</aggregateMarketValue>
            <noOfUnitsOutstanding>110086404</noOfUnitsOutstanding>
            <approxSaleDate>09/13/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>07/01/2017</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2955</amountOfSecuritiesAcquired>
            <paymentDate>07/01/2017</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Robert P. Latta</name>
                <address>
                    <ns2:street1>One E. Washington Street</ns2:street1>
                    <ns2:city>Phoenix</ns2:city>
                    <ns2:stateOrCountry>AZ</ns2:stateOrCountry>
                    <ns2:zipCode>85004</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/09/2024</saleDate>
            <amountOfSecuritiesSold>2996</amountOfSecuritiesSold>
            <grossProceeds>247919.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>09/13/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Robert P. Latta</signature>
        </noticeSignature>
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144
0001223581
XXXXXXXX
LIVE
0001212545
WESTERN ALLIANCE BANCORPORATION
001-32550
One E. Washington Street
Phoenix
AZ
85004
(602) 389-3500
ROBERT P. LATTA
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
2955
239694.83
110086404
09/13/2024
NYSE
Common
07/01/2017
Restricted stock vesting under a registered plan
Issuer
N
2955
07/01/2017
Services Rendered
N
Robert P. Latta
One E. Washington Street
Phoenix
AZ
85004
Common
09/09/2024
2996
247919.00
09/13/2024
/s/ Robert P. Latta