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        Signature
      
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        /s/Luke E. Alverson, Attorney in Fact
      
      
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        Stock symbol
      
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        CSWI
      
      
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        Transactions as of
      
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        May 1, 2025
      
      
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        Transactions value $
      
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        -$45,366
      
      
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        Form type
      
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        4
      
      
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        Date filed
      
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        5/2/2025, 04:37 PM
      
 
     
   
 
  
    Reporting Owners (1)
  
  
    
      
        
          | Name | Relationship | Address | Signature | Signature date | CIK | 
      
      
          
            | Perry James E | EVP, CFO | 5420 LBJ FREEWAY, STE 500, DALLAS | /s/Luke E. Alverson, Attorney in Fact | 2025-05-02 | 0001323684 | 
      
    
   
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | transaction | CSWI | Common Stock | Sale | -$45.4K | -145 | -0.54% | $312.87 | 26.6K | May 1, 2025 | Direct | F1 | 
          
            | holding | CSWI | Common Stock |  |  |  |  |  | 452 | May 1, 2025 | by ESOP |  | 
      
    
   
  
    * 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: