| 
                 
                    Closing price on 7/2/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.60 | 
                 
                
                    | High | 
                    4.80 | 
                 
                
                    | Low | 
                    4.60 | 
                     
                
                    | Volume | 
                    54,800 | 
                                 
                
                    | Split-adjusted Price | 
                    4.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/2/2015
             | 
            
                +0.40 / +9.09%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.78
             |                     
            
                4.80
             |                                 
            
                54,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2015
             | 
            
                -0.30 / -6.38%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.55
             |                     
            
                4.40
             |                                 
            
                76,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.75
             |                     
            
                4.70
             |                                 
            
                54,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2015
             | 
            
                -0.10 / -2.08%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.58
             |                     
            
                4.70
             |                                 
            
                151,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2015
             | 
            
                -0.50 / -9.43%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                5.30
             |                     
            
                4.80
             |                                 
            
                182,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2015
             | 
            
                +0.10 / +1.92%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.27
             |                     
            
                5.30
             |                                 
            
                131,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2015
             | 
            
                -0.40 / -7.14%
             |             
            
                5.10
             |           
            
                5.40
             |               
            
                5.10
             |                           
            
                5.20
             | 
            
                5.28
             |                     
            
                5.20
             |                                 
            
                80,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.10
             |                           
            
                5.60
             | 
            
                5.26
             |                     
            
                5.60
             |                                 
            
                102,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2015
             | 
            
                -0.40 / -6.67%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                5.40
             |                           
            
                5.60
             | 
            
                5.51
             |                     
            
                5.60
             |                                 
            
                152,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.40
             |           
            
                6.50
             |               
            
                5.40
             |                           
            
                6.00
             | 
            
                5.78
             |                     
            
                6.00
             |                                 
            
                378,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2015
             | 
            
                -0.60 / -9.09%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                53,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2015
             | 
            
                -0.70 / -9.59%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.77
             |                     
            
                6.60
             |                                 
            
                44,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2015
             | 
            
                +0.60 / +8.96%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.29
             |                     
            
                7.30
             |                                 
            
                431,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2015
             | 
            
                +0.60 / +9.84%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                6.70
             |                                 
            
                144,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2015
             | 
            
                +0.50 / +8.93%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                196,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2015
             | 
            
                +0.50 / +9.80%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                5.60
             |                                 
            
                358,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2015
             | 
            
                +0.40 / +8.51%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                5.10
             |                                 
            
                350,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2015
             | 
            
                +0.40 / +9.30%
             |             
            
                4.10
             |           
            
                4.70
             |               
            
                4.10
             |                           
            
                4.70
             | 
            
                4.69
             |                     
            
                4.70
             |                                 
            
                496,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2015
             | 
            
                +0.20 / +4.88%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.48
             |                     
            
                4.30
             |                                 
            
                59,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2015
             | 
            
                +0.30 / +7.89%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                4.10
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                4.10
             |                     
            
                3.80
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2015
             | 
            
                -0.30 / -7.32%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                3.80
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                4.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                4.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2015
             | 
            
                -0.40 / -8.89%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.13
             |                     
            
                4.10
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2015
             | 
            
                -0.40 / -8.16%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2015
             | 
            
                +0.40 / +8.89%
             |             
            
                4.10
             |           
            
                4.90
             |               
            
                4.10
             |                           
            
                4.90
             | 
            
                4.37
             |                     
            
                4.90
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |