| 
                 
                    Closing price on 1/29/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    0.70 | 
                 
                
                    | High | 
                    0.70 | 
                 
                
                    | Low | 
                    0.60 | 
                     
                
                    | Volume | 
                    161,000 | 
                                 
                
                    | Split-adjusted Price | 
                    0.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/29/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.70
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.60
             | 
            
                0.60
             |                     
            
                0.60
             |                                 
            
                161,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.70
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.60
             | 
            
                0.65
             |                     
            
                0.60
             |                                 
            
                35,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.60
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.60
             | 
            
                0.60
             |                     
            
                0.60
             |                                 
            
                65,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.70
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.60
             | 
            
                0.67
             |                     
            
                0.60
             |                                 
            
                97,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.70
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.60
             | 
            
                0.61
             |                     
            
                0.60
             |                                 
            
                35,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2019
             | 
            
                -0.10 / -14.29%
             |             
            
                0.60
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.60
             | 
            
                0.60
             |                     
            
                0.60
             |                                 
            
                182,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2019
             | 
            
                +0.10 / +16.67%
             |             
            
                0.70
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                109,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2019
             | 
            
                -0.10 / -14.29%
             |             
            
                0.70
             |           
            
                0.70
             |               
            
                0.60
             |                           
            
                0.60
             | 
            
                0.67
             |                     
            
                0.60
             |                                 
            
                139,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.60
             |                           
            
                0.70
             | 
            
                0.71
             |                     
            
                0.70
             |                                 
            
                74,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2019
             | 
            
                -0.10 / -12.50%
             |             
            
                0.70
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.72
             |                     
            
                0.70
             |                                 
            
                110,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2019
             | 
            
                +0.10 / +14.29%
             |             
            
                0.70
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.80
             | 
            
                0.71
             |                     
            
                0.80
             |                                 
            
                36,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                22,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2019
             | 
            
                -0.10 / -12.50%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                140,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2019
             | 
            
                +0.10 / +14.29%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.80
             | 
            
                0.79
             |                     
            
                0.80
             |                                 
            
                28,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                22,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.75
             |                     
            
                0.70
             |                                 
            
                41,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.70
             |           
            
                0.80
             |               
            
                0.60
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                152,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.70
             |           
            
                0.80
             |               
            
                0.60
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                166,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                166,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.74
             |                     
            
                0.70
             |                                 
            
                58,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.70
             |           
            
                0.70
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                52,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2018
             | 
            
                -0.10 / -12.50%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.70
             |                     
            
                0.70
             |                                 
            
                58,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2018
             | 
            
                +0.10 / +14.29%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.60
             |                           
            
                0.80
             | 
            
                0.71
             |                     
            
                0.80
             |                                 
            
                245,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2018
             | 
            
                -0.10 / -12.50%
             |             
            
                0.70
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.70
             | 
            
                0.76
             |                     
            
                0.70
             |                                 
            
                20,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.80
             | 
            
                0.75
             |                     
            
                0.80
             |                                 
            
                240,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.80
             |           
            
                0.80
             |               
            
                0.70
             |                           
            
                0.80
             | 
            
                0.78
             |                     
            
                0.80
             |                                 
            
                29,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2018
             | 
            
                -0.10 / -11.11%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.80
             |                     
            
                0.80
             |                                 
            
                205,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2018
             | 
            
                +0.10 / +12.50%
             |             
            
                0.80
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.90
             | 
            
                0.81
             |                     
            
                0.90
             |                                 
            
                111,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                0.90
             |               
            
                0.80
             |                           
            
                0.80
             | 
            
                0.85
             |                     
            
                0.80
             |                                 
            
                77,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |