| 
                 
                    Closing price on 4/17/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.30 | 
                 
                
                    | High | 
                    4.30 | 
                 
                
                    | Low | 
                    4.30 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    4.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.30
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.30
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.30
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.30
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2015
             | 
            
                -0.40 / -8.51%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.30
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2015
             | 
            
                -0.20 / -4.08%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.70
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2015
             | 
            
                +0.30 / +6.52%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                4.90
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2015
             | 
            
                +0.10 / +2.22%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.57
             |                     
            
                4.60
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2015
             | 
            
                -0.10 / -2.17%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2015
             | 
            
                +0.20 / +4.55%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.55
             |                     
            
                4.60
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.40
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.40
             |                                 
            
                1,287,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2015
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.43
             |                     
            
                4.40
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2015
             | 
            
                -0.10 / -2.17%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.51
             |                     
            
                4.50
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2015
             | 
            
                +0.10 / +2.22%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.51
             |                     
            
                4.60
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2015
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.45
             |                     
            
                4.50
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.33
             |                     
            
                4.40
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.39
             |                     
            
                4.40
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2015
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.42
             |                     
            
                4.40
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.50
             | 
            
                4.16
             |                     
            
                4.50
             |                                 
            
                14,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.41
             |                     
            
                4.50
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2015
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.43
             |                     
            
                4.50
             |                                 
            
                12,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2015
             | 
            
                +0.30 / +6.98%
             |             
            
                4.20
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.60
             | 
            
                4.40
             |                     
            
                4.60
             |                                 
            
                13,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.29
             |                     
            
                4.30
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.29
             |                     
            
                4.30
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.23
             |                     
            
                4.30
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.23
             |                     
            
                4.30
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2015
             | 
            
                -0.10 / -2.27%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.32
             |                     
            
                4.30
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |