| 
                 
                    Closing price on 7/27/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    1.10 | 
                 
                
                    | High | 
                    1.10 | 
                 
                
                    | Low | 
                    1.00 | 
                     
                
                    | Volume | 
                    151,900 | 
                                 
                
                    | Split-adjusted Price | 
                    1.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/27/2018
             | 
            
                -0.10 / -9.09%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.05
             |                     
            
                1.00
             |                                 
            
                151,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2018
             | 
            
                -0.10 / -8.33%
             |             
            
                1.10
             |           
            
                1.20
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.11
             |                     
            
                1.10
             |                                 
            
                214,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2018
             | 
            
                +0.10 / +9.09%
             |             
            
                1.10
             |           
            
                1.20
             |               
            
                1.10
             |                           
            
                1.20
             | 
            
                1.11
             |                     
            
                1.20
             |                                 
            
                218,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2018
             | 
            
                -0.10 / -8.33%
             |             
            
                1.10
             |           
            
                1.20
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.11
             |                     
            
                1.10
             |                                 
            
                267,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.30
             |           
            
                1.30
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.21
             |                     
            
                1.20
             |                                 
            
                255,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2018
             | 
            
                +0.10 / +9.09%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                1.20
             |                                 
            
                493,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2018
             | 
            
                +0.10 / +10.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.10
             |                     
            
                1.10
             |                                 
            
                453,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                1.10
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                235,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                125,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2018
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.99
             |                     
            
                1.00
             |                                 
            
                148,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.93
             |                     
            
                1.00
             |                                 
            
                119,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                80,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2018
             | 
            
                -0.10 / -9.09%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                557,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.10
             | 
            
                1.04
             |                     
            
                1.10
             |                                 
            
                45,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.10
             | 
            
                1.09
             |                     
            
                1.10
             |                                 
            
                152,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2018
             | 
            
                +0.10 / +10.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                0.90
             |                           
            
                1.10
             | 
            
                1.07
             |                     
            
                1.10
             |                                 
            
                455,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2018
             | 
            
                -0.10 / -9.09%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.01
             |                     
            
                1.00
             |                                 
            
                634,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.20
             |               
            
                1.00
             |                           
            
                1.10
             | 
            
                1.10
             |                     
            
                1.10
             |                                 
            
                169,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2018
             | 
            
                -0.10 / -8.33%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.11
             |                     
            
                1.10
             |                                 
            
                120,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.30
             |               
            
                1.10
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                1.20
             |                                 
            
                263,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2018
             | 
            
                -0.10 / -7.69%
             |             
            
                1.30
             |           
            
                1.40
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.27
             |                     
            
                1.20
             |                                 
            
                367,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2018
             | 
            
                -0.10 / -7.14%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.30
             |                           
            
                1.30
             | 
            
                1.30
             |                     
            
                1.30
             |                                 
            
                544,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.30
             |                           
            
                1.40
             | 
            
                1.37
             |                     
            
                1.40
             |                                 
            
                134,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.30
             |                           
            
                1.40
             | 
            
                1.39
             |                     
            
                1.40
             |                                 
            
                96,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.40
             |           
            
                1.50
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                1.40
             |                                 
            
                303,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2018
             | 
            
                -0.10 / -6.67%
             |             
            
                1.50
             |           
            
                1.50
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                1.40
             |                                 
            
                282,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.50
             |           
            
                1.50
             |               
            
                1.40
             |                           
            
                1.50
             | 
            
                1.44
             |                     
            
                1.50
             |                                 
            
                37,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2018
             | 
            
                +0.10 / +7.14%
             |             
            
                1.50
             |           
            
                1.50
             |               
            
                1.40
             |                           
            
                1.50
             | 
            
                1.44
             |                     
            
                1.50
             |                                 
            
                238,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2018
             | 
            
                -0.10 / -6.67%
             |             
            
                1.50
             |           
            
                1.60
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.46
             |                     
            
                1.40
             |                                 
            
                418,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2018
             | 
            
                -0.10 / -6.25%
             |             
            
                1.60
             |           
            
                1.70
             |               
            
                1.50
             |                           
            
                1.50
             | 
            
                1.59
             |                     
            
                1.50
             |                                 
            
                254,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |