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      <secFileNumber>000-12933</secFileNumber>
      <issuerAddress>
        <com:street1>4650 CUSHING BLVD</com:street1>
        <com:city>FREMONT</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94538</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>5106590200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Bettinger Douglas R</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1894</noOfUnitsSold>
      <aggregateMarketValue>1336907.75</aggregateMarketValue>
      <noOfUnitsOutstanding>134340474</noOfUnitsOutstanding>
      <approxSaleDate>08/07/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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      <securitiesClassTitle>Common</securitiesClassTitle>
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      <paymentDate>11/30/2021</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
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      <securitiesClassTitle>Common</securitiesClassTitle>
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      <paymentDate>12/31/2021</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
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    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>01/31/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>740</amountOfSecuritiesAcquired>
      <paymentDate>01/31/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/07/2023</noticeDate>
      <signature>/S/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Douglas R. Bettinger</signature>
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144
0001469469
XXXXXXXX
LIVE
0000707549
LAM RESEARCH CORP
000-12933
4650 CUSHING BLVD
FREMONT
CA
94538
5106590200
Bettinger Douglas R
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
1894
1336907.75
134340474
08/07/2023
NASDAQ
Common
11/30/2021
Restricted Stock Vesting
Issuer
N
577
11/30/2021
Compensation
Common
12/31/2021
Restricted Stock Vesting
Issuer
N
577
12/31/2021
Compensation
Common
01/31/2022
Restricted Stock Vesting
Issuer
N
740
01/31/2022
Compensation
Y
08/07/2023
/S/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Douglas R. Bettinger