| 
                 
                    Closing price on 2/3/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.40 | 
                 
                
                    | High | 
                    2.40 | 
                 
                
                    | Low | 
                    2.20 | 
                     
                
                    | Volume | 
                    93,100 | 
                                 
                
                    | Split-adjusted Price | 
                    2.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/3/2017
             | 
            
                -0.20 / -8.33%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.20
             |                           
            
                2.20
             | 
            
                2.27
             |                     
            
                2.20
             |                                 
            
                93,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2017
             | 
            
                +0.20 / +9.09%
             |             
            
                2.10
             |           
            
                2.40
             |               
            
                2.10
             |                           
            
                2.40
             | 
            
                2.20
             |                     
            
                2.40
             |                                 
            
                203,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2017
             | 
            
                +0.10 / +4.76%
             |             
            
                2.00
             |           
            
                2.20
             |               
            
                2.00
             |                           
            
                2.20
             | 
            
                2.10
             |                     
            
                2.20
             |                                 
            
                52,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.00
             |           
            
                2.10
             |               
            
                2.00
             |                           
            
                2.10
             | 
            
                2.00
             |                     
            
                2.10
             |                                 
            
                86,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2017
             | 
            
                +0.10 / +5.00%
             |             
            
                2.00
             |           
            
                2.10
             |               
            
                1.90
             |                           
            
                2.10
             | 
            
                1.98
             |                     
            
                2.10
             |                                 
            
                91,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2017
             | 
            
                -0.10 / -4.76%
             |             
            
                2.00
             |           
            
                2.00
             |               
            
                2.00
             |                           
            
                2.00
             | 
            
                2.00
             |                     
            
                2.00
             |                                 
            
                195,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2017
             | 
            
                +0.10 / +5.00%
             |             
            
                2.00
             |           
            
                2.10
             |               
            
                2.00
             |                           
            
                2.10
             | 
            
                2.01
             |                     
            
                2.10
             |                                 
            
                137,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2017
             | 
            
                -0.10 / -4.76%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.00
             |                           
            
                2.00
             | 
            
                2.06
             |                     
            
                2.00
             |                                 
            
                128,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2017
             | 
            
                +0.10 / +5.00%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.00
             |                           
            
                2.10
             | 
            
                2.08
             |                     
            
                2.10
             |                                 
            
                72,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2017
             | 
            
                -0.10 / -4.76%
             |             
            
                2.10
             |           
            
                2.30
             |               
            
                2.00
             |                           
            
                2.00
             | 
            
                2.18
             |                     
            
                2.00
             |                                 
            
                290,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2017
             | 
            
                -0.10 / -4.55%
             |             
            
                2.20
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.10
             | 
            
                2.20
             |                     
            
                2.10
             |                                 
            
                142,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.20
             | 
            
                2.12
             |                     
            
                2.20
             |                                 
            
                29,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2017
             | 
            
                -0.10 / -4.35%
             |             
            
                2.20
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.20
             | 
            
                2.18
             |                     
            
                2.20
             |                                 
            
                48,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2017
             | 
            
                +0.20 / +9.52%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.20
             |                           
            
                2.30
             | 
            
                2.20
             |                     
            
                2.30
             |                                 
            
                26,519
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.10
             |           
            
                2.30
             |               
            
                2.10
             |                           
            
                2.10
             | 
            
                2.21
             |                     
            
                2.10
             |                                 
            
                199,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2017
             | 
            
                -0.10 / -4.55%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.10
             |                           
            
                2.10
             | 
            
                2.17
             |                     
            
                2.10
             |                                 
            
                241,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2017
             | 
            
                -0.10 / -4.35%
             |             
            
                2.20
             |           
            
                2.20
             |               
            
                2.20
             |                           
            
                2.20
             | 
            
                2.20
             |                     
            
                2.20
             |                                 
            
                86,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.20
             |                           
            
                2.30
             | 
            
                2.20
             |                     
            
                2.30
             |                                 
            
                153,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.30
             |           
            
                2.30
             |               
            
                2.20
             |                           
            
                2.30
             | 
            
                2.21
             |                     
            
                2.30
             |                                 
            
                108,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2016
             | 
            
                +0.10 / +4.55%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.20
             |                           
            
                2.30
             | 
            
                2.20
             |                     
            
                2.30
             |                                 
            
                121,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2016
             | 
            
                -0.10 / -4.35%
             |             
            
                2.30
             |           
            
                2.30
             |               
            
                2.20
             |                           
            
                2.20
             | 
            
                2.22
             |                     
            
                2.20
             |                                 
            
                125,530
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2016
             | 
            
                -0.10 / -4.17%
             |             
            
                2.30
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.38
             |                     
            
                2.30
             |                                 
            
                106,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2016
             | 
            
                +0.20 / +9.09%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.37
             |                     
            
                2.40
             |                                 
            
                408,510
             |            
            
                 
             |                                       
         
    
        
            | 
                12/26/2016
             | 
            
                +0.20 / +10.00%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.20
             | 
            
                2.18
             |                     
            
                2.20
             |                                 
            
                263,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2016
             | 
            
                -0.10 / -4.76%
             |             
            
                2.10
             |           
            
                2.10
             |               
            
                2.00
             |                           
            
                2.00
             | 
            
                2.10
             |                     
            
                2.00
             |                                 
            
                204,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                2.20
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.10
             | 
            
                2.18
             |                     
            
                2.10
             |                                 
            
                85,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.10
             |                           
            
                2.10
             | 
            
                2.12
             |                     
            
                2.10
             |                                 
            
                300,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/20/2016
             | 
            
                -0.10 / -4.55%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.10
             |                           
            
                2.10
             | 
            
                2.20
             |                     
            
                2.10
             |                                 
            
                122,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.20
             |                           
            
                2.20
             | 
            
                2.20
             |                     
            
                2.20
             |                                 
            
                89,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2016
             | 
            
                0.00 / 0.00%
             |             
            
                2.10
             |           
            
                2.20
             |               
            
                2.00
             |                           
            
                2.20
             | 
            
                2.07
             |                     
            
                2.20
             |                                 
            
                288,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |