| 
               Attention: 
             | 
            
                Donald Field 
             | 
          
| 
               Re: 
             | 
            
               Cue Health Inc. 
             | 
          
| 
               Very truly yours, 
             | 
          |||
| 
               CUE HEALTH INC. 
             | 
          |||
| 
               By: 
             | 
            
               /s/ Ayub Khattak 
               | 
          ||
| 
               Name: 
             | 
            
               Ayub Khattak 
             | 
          ||
| 
               Title: 
             | 
            
               President and Chief Executive Officer 
             | 
          ||