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        Signature
      
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        /s/ Megan M. Brooks
      
      
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        Stock symbol
      
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        RIOT
      
      
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        Transactions as of
      
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        Jun 14, 2022
      
      
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        Transactions value $
      
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        -$38,775
      
      
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        Form type
      
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        4
      
      
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        Date filed
      
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        6/16/2022, 06:21 PM
      
 
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | transaction | RIOT | Common Stock | Options Exercise | $0 | +25K | +18.77% | $0.00 | 158K | Jun 14, 2022 | Direct | F1, F2 | 
          
            | transaction | RIOT | Common Stock | Tax liability | -$38.8K | -7.5K | -4.74% | $5.17 | 151K | Jun 14, 2022 | Direct | F2, F3 | 
      
    
   
  
    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 | RIOT | Restricted Stock Units | Options Exercise | $0 | -25K | -47.17% | $0.00 | 28K | Jun 14, 2022 | Common Stock | 25K | $0.00 | Direct | F1, F2, F4 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  Megan M. Brooks is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
  
    Explanation of Responses:
  
  
  
    Remarks:
  
  Effective as of April 7, 2022, the Reporting Person resigned as the Issuer's Chief Operating Officer and from all other positions with the Issuer pursuant to a separation and release agreement between the Issuer and the Reporting Person (the "Separation Agreement"); however, as part of the Separation Agreement, RSUs granted to the Reporting Person under the Plan are eligible to continue vesting through the Transition Period specified in the Separation Agreement.