| 
                 
                    Closing price on 4/16/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.20 | 
                 
                
                    | Low | 
                    8.20 | 
                     
                
                    | Volume | 
                    6,600 | 
                                 
                
                    | Split-adjusted Price | 
                    5.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
STP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/16/2021
             | 
            
                -0.10 / -1.20%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                5.10
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2021
             | 
            
                -0.50 / -5.68%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.27
             |                     
            
                5.16
             |                                 
            
                350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2021
             | 
            
                -0.10 / -1.12%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                5.47
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2021
             | 
            
                +0.30 / +3.49%
             |             
            
                8.80
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.86
             |                     
            
                5.53
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.50
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                5.35
             |                                 
            
                6,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2021
             | 
            
                +0.20 / +2.38%
             |             
            
                8.40
             |           
            
                8.60
             |               
            
                8.30
             |                           
            
                8.60
             | 
            
                8.38
             |                     
            
                5.35
             |                                 
            
                22,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2021
             | 
            
                +0.10 / +1.20%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                5.22
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2021
             | 
            
                +0.10 / +1.22%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.24
             |                     
            
                5.16
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                5.10
             |                                 
            
                13,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2021
             | 
            
                +0.20 / +2.50%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.10
             |                     
            
                5.10
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.97
             |                                 
            
                5,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2021
             | 
            
                -0.30 / -3.61%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.97
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2021
             | 
            
                +0.10 / +1.22%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.00
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                5.16
             |                                 
            
                8,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2021
             | 
            
                +0.10 / +1.23%
             |             
            
                7.90
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.20
             | 
            
                8.04
             |                     
            
                5.10
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2021
             | 
            
                +0.20 / +2.53%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.10
             | 
            
                7.99
             |                     
            
                5.04
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2021
             | 
            
                +0.10 / +1.28%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                4.91
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2021
             | 
            
                -0.20 / -2.50%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.99
             |                     
            
                4.85
             |                                 
            
                12,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2021
             | 
            
                +0.10 / +1.27%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                7.97
             |                     
            
                4.97
             |                                 
            
                4,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2021
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                4.91
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2021
             | 
            
                -0.10 / -1.23%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.10
             |                     
            
                4.97
             |                                 
            
                8,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2021
             | 
            
                -0.10 / -1.22%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.16
             |                     
            
                5.04
             |                                 
            
                6,422
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2021
             | 
            
                -0.10 / -1.20%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.15
             |                     
            
                5.10
             |                                 
            
                366
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                5.16
             |                                 
            
                9,110
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2021
             | 
            
                +0.10 / +1.22%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.28
             |                     
            
                5.16
             |                                 
            
                12,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2021
             | 
            
                +0.20 / +2.50%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.80
             |                           
            
                8.20
             | 
            
                8.19
             |                     
            
                5.10
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2021
             | 
            
                -0.20 / -2.44%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.18
             |                     
            
                4.97
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2021
             | 
            
                -0.30 / -3.53%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.23
             |                     
            
                5.10
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2021
             | 
            
                +0.20 / +2.41%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                7.60
             |                           
            
                8.50
             | 
            
                8.28
             |                     
            
                5.28
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.50
             |               
            
                8.00
             |                           
            
                8.30
             | 
            
                8.23
             |                     
            
                5.16
             |                                 
            
                12,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2021
             | 
            
                -0.10 / -1.19%
             |             
            
                8.40
             |           
            
                8.80
             |               
            
                7.60
             |                           
            
                8.30
             | 
            
                8.19
             |                     
            
                5.16
             |                                 
            
                6,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |