| 
                 
                    Closing price on 12/17/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.40 | 
                 
                
                    | High | 
                    2.40 | 
                 
                
                    | Low | 
                    2.30 | 
                     
                
                    | Volume | 
                    113,700 | 
                                 
                
                    | Split-adjusted Price | 
                    2.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.30
             |                     
            
                2.30
             |                                 
            
                113,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2015
             | 
            
                -0.10 / -4.17%
             |             
            
                2.30
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.31
             |                     
            
                2.30
             |                                 
            
                119,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.30
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.32
             |                     
            
                2.40
             |                                 
            
                103,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.30
             |                     
            
                2.40
             |                                 
            
                260,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2015
             | 
            
                +0.10 / +4.35%
             |             
            
                2.30
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.30
             |                     
            
                2.40
             |                                 
            
                239,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2015
             | 
            
                -0.10 / -4.17%
             |             
            
                2.40
             |           
            
                2.50
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.40
             |                     
            
                2.30
             |                                 
            
                142,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2015
             | 
            
                -0.10 / -4.00%
             |             
            
                2.50
             |           
            
                2.60
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.44
             |                     
            
                2.40
             |                                 
            
                368,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.57
             |                     
            
                2.50
             |                                 
            
                123,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2015
             | 
            
                -0.10 / -3.85%
             |             
            
                2.50
             |           
            
                2.60
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.60
             |                     
            
                2.50
             |                                 
            
                557,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2015
             | 
            
                -0.20 / -7.14%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.68
             |                     
            
                2.60
             |                                 
            
                724,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2015
             | 
            
                -0.20 / -6.67%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.92
             |                     
            
                2.80
             |                                 
            
                558,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2015
             | 
            
                +0.10 / +3.45%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.94
             |                     
            
                3.00
             |                                 
            
                855,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.93
             |                     
            
                2.90
             |                                 
            
                969,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2015
             | 
            
                -0.10 / -3.33%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                3.00
             |                     
            
                2.90
             |                                 
            
                462,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2015
             | 
            
                +0.10 / +3.45%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.90
             |                     
            
                3.00
             |                                 
            
                803,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2015
             | 
            
                +0.20 / +7.41%
             |             
            
                2.70
             |           
            
                2.90
             |               
            
                2.60
             |                           
            
                2.90
             | 
            
                2.82
             |                     
            
                2.90
             |                                 
            
                1,681,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.60
             |           
            
                2.80
             |               
            
                2.50
             |                           
            
                2.70
             | 
            
                2.65
             |                     
            
                2.70
             |                                 
            
                985,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.50
             |                           
            
                2.70
             | 
            
                2.65
             |                     
            
                2.70
             |                                 
            
                643,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.62
             |                     
            
                2.70
             |                                 
            
                866,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2015
             | 
            
                +0.10 / +3.85%
             |             
            
                2.50
             |           
            
                2.80
             |               
            
                2.40
             |                           
            
                2.70
             | 
            
                2.57
             |                     
            
                2.70
             |                                 
            
                880,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2015
             | 
            
                -0.20 / -7.14%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.66
             |                     
            
                2.60
             |                                 
            
                491,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2015
             | 
            
                +0.10 / +3.70%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.50
             |                           
            
                2.80
             | 
            
                2.63
             |                     
            
                2.80
             |                                 
            
                689,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2015
             | 
            
                -0.10 / -3.57%
             |             
            
                2.70
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.78
             |                     
            
                2.70
             |                                 
            
                572,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2015
             | 
            
                +0.10 / +3.70%
             |             
            
                2.60
             |           
            
                2.80
             |               
            
                2.50
             |                           
            
                2.80
             | 
            
                2.70
             |                     
            
                2.80
             |                                 
            
                1,057,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2015
             | 
            
                -0.20 / -6.90%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.78
             |                     
            
                2.70
             |                                 
            
                865,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2015
             | 
            
                +0.10 / +3.57%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                2.91
             |                     
            
                2.90
             |                                 
            
                565,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2015
             | 
            
                +0.20 / +7.69%
             |             
            
                2.60
             |           
            
                2.80
             |               
            
                2.60
             |                           
            
                2.80
             | 
            
                2.76
             |                     
            
                2.80
             |                                 
            
                527,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2015
             | 
            
                +0.20 / +8.33%
             |             
            
                2.40
             |           
            
                2.60
             |               
            
                2.30
             |                           
            
                2.60
             | 
            
                2.56
             |                     
            
                2.60
             |                                 
            
                568,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.20
             |                           
            
                2.40
             | 
            
                2.32
             |                     
            
                2.40
             |                                 
            
                153,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2015
             | 
            
                -0.10 / -4.00%
             |             
            
                2.40
             |           
            
                2.50
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.42
             |                     
            
                2.40
             |                                 
            
                2,118,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |