| 
                 
                    Closing price on 11/16/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.60 | 
                 
                
                    | High | 
                    2.80 | 
                 
                
                    | Low | 
                    2.50 | 
                     
                
                    | Volume | 
                    1,057,100 | 
                                 
                
                    | Split-adjusted Price | 
                    2.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2015
             | 
            
                +0.10 / +4.17%
             |             
            
                2.40
             |           
            
                2.60
             |               
            
                2.40
             |                           
            
                2.50
             | 
            
                2.46
             |                     
            
                2.50
             |                                 
            
                152,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2015
             | 
            
                -0.10 / -4.00%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.41
             |                     
            
                2.40
             |                                 
            
                42,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2015
             | 
            
                +0.10 / +4.17%
             |             
            
                2.40
             |           
            
                2.50
             |               
            
                2.30
             |                           
            
                2.50
             | 
            
                2.40
             |                     
            
                2.50
             |                                 
            
                29,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2015
             | 
            
                -0.20 / -7.69%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.51
             |                     
            
                2.40
             |                                 
            
                42,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.50
             |                           
            
                2.60
             | 
            
                2.58
             |                     
            
                2.60
             |                                 
            
                161,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2015
             | 
            
                +0.20 / +8.33%
             |             
            
                2.40
             |           
            
                2.60
             |               
            
                2.40
             |                           
            
                2.60
             | 
            
                2.48
             |                     
            
                2.60
             |                                 
            
                26,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.40
             | 
            
                2.33
             |                     
            
                2.40
             |                                 
            
                35,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.40
             |                     
            
                2.40
             |                                 
            
                69,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2015
             | 
            
                -0.20 / -7.69%
             |             
            
                2.50
             |           
            
                2.60
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.54
             |                     
            
                2.40
             |                                 
            
                42,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2015
             | 
            
                +0.10 / +4.00%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.50
             |                           
            
                2.60
             | 
            
                2.51
             |                     
            
                2.60
             |                                 
            
                19,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.50
             |           
            
                2.60
             |               
            
                2.40
             |                           
            
                2.50
             | 
            
                2.51
             |                     
            
                2.50
             |                                 
            
                61,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2015
             | 
            
                -0.20 / -7.41%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.53
             |                     
            
                2.50
             |                                 
            
                28,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2015
             | 
            
                +0.10 / +3.85%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.60
             |                     
            
                2.70
             |                                 
            
                21,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2015
             | 
            
                -0.10 / -3.70%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.50
             |                           
            
                2.60
             | 
            
                2.51
             |                     
            
                2.60
             |                                 
            
                204,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.64
             |                     
            
                2.70
             |                                 
            
                95,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2015
             | 
            
                -0.10 / -3.57%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.73
             |                     
            
                2.70
             |                                 
            
                78,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2015
             | 
            
                -0.10 / -3.45%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                144,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                149,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                137,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2015
             | 
            
                +0.10 / +3.57%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.88
             |                     
            
                2.90
             |                                 
            
                207,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2015
             | 
            
                +0.20 / +7.69%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.72
             |                     
            
                2.80
             |                                 
            
                670,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.68
             |                     
            
                2.60
             |                                 
            
                117,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.50
             |           
            
                2.70
             |               
            
                2.50
             |                           
            
                2.60
             | 
            
                2.61
             |                     
            
                2.60
             |                                 
            
                290,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |