| 
                 
                    Closing price on 3/5/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.90 | 
                 
                
                    | High | 
                    7.90 | 
                 
                
                    | Low | 
                    7.90 | 
                     
                
                    | Volume | 
                    148,500 | 
                                 
                
                    | Split-adjusted Price | 
                    7.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/5/2021
             | 
            
                +0.70 / +9.72%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                7.90
             |                                 
            
                148,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2021
             | 
            
                +0.60 / +9.09%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                7.20
             |                                 
            
                161,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2021
             | 
            
                +0.60 / +10.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                64,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2021
             | 
            
                +0.50 / +9.09%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                462,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2021
             | 
            
                +0.50 / +10.00%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.20
             |                           
            
                5.50
             | 
            
                5.49
             |                     
            
                5.50
             |                                 
            
                194,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                +0.40 / +8.70%
             |             
            
                4.50
             |           
            
                5.00
             |               
            
                4.40
             |                           
            
                5.00
             | 
            
                4.78
             |                     
            
                5.00
             |                                 
            
                529,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.30
             |                           
            
                4.60
             | 
            
                4.69
             |                     
            
                4.60
             |                                 
            
                533,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                +0.40 / +9.52%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                64,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                +0.30 / +7.69%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.19
             |                     
            
                4.20
             |                                 
            
                200,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                +0.30 / +8.33%
             |             
            
                3.80
             |           
            
                3.90
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.89
             |                     
            
                3.90
             |                                 
            
                259,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2021
             | 
            
                +0.30 / +9.09%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                410,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2021
             | 
            
                +0.30 / +10.00%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.20
             |                           
            
                3.30
             | 
            
                3.28
             |                     
            
                3.30
             |                                 
            
                162,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2021
             | 
            
                +0.20 / +7.14%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.97
             |                     
            
                3.00
             |                                 
            
                130,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2021
             | 
            
                +0.20 / +7.69%
             |             
            
                2.60
             |           
            
                2.80
             |               
            
                2.40
             |                           
            
                2.80
             | 
            
                2.62
             |                     
            
                2.80
             |                                 
            
                594,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2021
             | 
            
                -0.20 / -7.14%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.62
             |                     
            
                2.60
             |                                 
            
                127,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2021
             | 
            
                -0.30 / -9.68%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.83
             |                     
            
                2.80
             |                                 
            
                50,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2021
             | 
            
                +0.10 / +3.33%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                2.80
             |                           
            
                3.10
             | 
            
                2.94
             |                     
            
                3.10
             |                                 
            
                75,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2021
             | 
            
                +0.10 / +3.45%
             |             
            
                2.90
             |           
            
                3.10
             |               
            
                2.70
             |                           
            
                3.00
             | 
            
                2.90
             |                     
            
                3.00
             |                                 
            
                115,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2021
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                2.76
             |                     
            
                2.90
             |                                 
            
                79,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2021
             | 
            
                -0.30 / -9.38%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.98
             |                     
            
                2.90
             |                                 
            
                66,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2021
             | 
            
                +0.10 / +3.23%
             |             
            
                2.80
             |           
            
                3.20
             |               
            
                2.80
             |                           
            
                3.20
             | 
            
                3.00
             |                     
            
                3.20
             |                                 
            
                216,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2021
             | 
            
                -0.30 / -8.82%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.19
             |                     
            
                3.10
             |                                 
            
                278,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2021
             | 
            
                +0.30 / +9.68%
             |             
            
                3.10
             |           
            
                3.40
             |               
            
                2.90
             |                           
            
                3.40
             | 
            
                3.19
             |                     
            
                3.40
             |                                 
            
                493,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2021
             | 
            
                +0.10 / +3.33%
             |             
            
                3.10
             |           
            
                3.30
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                3.21
             |                     
            
                3.10
             |                                 
            
                665,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2021
             | 
            
                +0.20 / +7.14%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.93
             |                     
            
                3.00
             |                                 
            
                487,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2021
             | 
            
                +0.20 / +7.69%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                372,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2021
             | 
            
                +0.20 / +8.33%
             |             
            
                2.40
             |           
            
                2.60
             |               
            
                2.40
             |                           
            
                2.60
             | 
            
                2.51
             |                     
            
                2.60
             |                                 
            
                229,557
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2021
             | 
            
                -0.10 / -4.00%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.32
             |                     
            
                2.40
             |                                 
            
                633,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2021
             | 
            
                -0.20 / -7.41%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.54
             |                     
            
                2.50
             |                                 
            
                567,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2021
             | 
            
                +0.10 / +3.85%
             |             
            
                2.60
             |           
            
                2.80
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.77
             |                     
            
                2.70
             |                                 
            
                446,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |