- 
        Signature
      
- 
        Cascade Investment, L.L.C. By: /s/ Alan Heuberger, Attorney-in-fact for Michael Larson, Business Manager
      
      
- 
        Stock symbol
      
- 
        DNA
      
      
- 
        Transactions as of
      
- 
        Sep 16, 2021
      
      
- 
        Transactions value $
      
- 
        $0
      
      
- 
        Form type
      
- 
        3
      
      
- 
        Date filed
      
- 
        9/24/2021, 04:24 PM
      
 
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | holding | DNA | Class A Common Stock |  |  |  |  |  | 152M | Sep 16, 2021 | Direct | F1 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses:
  
  
  
    Remarks:
  
  Exhibit List: Exhibit 24.1 - Power of Attorney (Cascade Investment, L.L.C.); Exhibit 24.2 - Power of Attorney (William H. Gates III)