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        Signature
      
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        Marta Woods by Power of Attorney
      
      
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        Stock symbol
      
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        LRCX
      
      
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        Transactions as of
      
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        Jan 3, 2024
      
      
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        Transactions value $
      
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        -$1,010,971
      
      
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        Form type
      
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        4
      
      
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        Date filed
      
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        1/4/2024, 03:21 PM
      
 
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | transaction | LRCX | Common Stock | Options Exercise | $703K | +2.34K | +68.22% | $300.33 | 5.78K | Jan 3, 2024 | Direct | F1, F2 | 
          
            | transaction | LRCX | Common Stock | Sale | -$1.71M | -2.34K | -40.55% | $732.00 | 3.43K | Jan 3, 2024 | Direct | F1, F2 | 
      
    
   
  
    Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes | 
      
      
          
            | transaction | LRCX | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -2.34K | -100% | $0.00* | 0 | Jan 3, 2024 | Common Stock | 2.34K | $300.33 | Direct | F1, F3 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
  Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
  
    Explanation of Responses: