| 
                 
                    Closing price on 7/31/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    0.80 | 
                 
                
                    | High | 
                    0.90 | 
                 
                
                    | Low | 
                    0.80 | 
                     
                
                    | Volume | 
                    15,500 | 
                                 
                
                    | Split-adjusted Price | 
                    0.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/31/2019
             | 
            
                +0.10 / +12.50%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.87
             |                     
            
                0.90
             |                                 
            
                15,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.85
             |                     
            
                0.80
             |                                 
            
                48,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2019
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                26,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.85
             |                     
            
                0.90
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                20,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2019
             | 
            
                +0.10 / +12.50%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.81
             |                     
            
                0.90
             |                                 
            
                7,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2019
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.81
             |                     
            
                0.80
             |                                 
            
                114,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.83
             |                     
            
                0.90
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.89
             |                     
            
                0.90
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                60,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2019
             | 
            
                -0.10 / -10.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.98
             |                     
            
                0.90
             |                                 
            
                18,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.95
             |                     
            
                1.00
             |                                 
            
                41,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                17,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.80
             |                           
            
                1.00
             | 
            
                0.90
             |                     
            
                1.00
             |                                 
            
                63,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                536,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2019
             | 
            
                +0.10 / +12.50%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                37,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2019
             | 
            
                -0.10 / -11.11%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                49,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.88
             |                     
            
                0.90
             |                                 
            
                9,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                27,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                47,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                76,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                70,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2019
             | 
            
                -0.10 / -10.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.97
             |                     
            
                1.00
             |                                 
            
                26,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                39,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                50,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2019
             | 
            
                -0.10 / -10.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                90,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.80
             |                           
            
                1.00
             | 
            
                0.90
             |                     
            
                1.00
             |                                 
            
                92,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.91
             |                     
            
                0.90
             |                                 
            
                12,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |