| 
                 
                    Closing price on 5/30/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.00 | 
                 
                
                    | High | 
                    14.60 | 
                 
                
                    | Low | 
                    12.60 | 
                     
                
                    | Volume | 
                    417,800 | 
                                 
                
                    | Split-adjusted Price | 
                    14.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/30/2016
             | 
            
                +0.80 / +5.84%
             |             
            
                13.00
             |           
            
                14.60
             |               
            
                12.60
             |                           
            
                14.50
             | 
            
                13.82
             |                     
            
                14.50
             |                                 
            
                417,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2016
             | 
            
                +0.90 / +7.03%
             |             
            
                13.10
             |           
            
                13.90
             |               
            
                11.60
             |                           
            
                13.70
             | 
            
                12.08
             |                     
            
                13.70
             |                                 
            
                878,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2016
             | 
            
                +1.10 / +9.40%
             |             
            
                12.00
             |           
            
                12.80
             |               
            
                12.00
             |                           
            
                12.80
             | 
            
                12.64
             |                     
            
                12.80
             |                                 
            
                408,190
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2016
             | 
            
                +1.00 / +9.35%
             |             
            
                11.00
             |           
            
                11.70
             |               
            
                11.00
             |                           
            
                11.70
             | 
            
                11.61
             |                     
            
                11.70
             |                                 
            
                247,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2016
             | 
            
                +0.90 / +9.18%
             |             
            
                9.70
             |           
            
                10.70
             |               
            
                9.70
             |                           
            
                10.70
             | 
            
                10.53
             |                     
            
                10.70
             |                                 
            
                228,410
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2016
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                10.20
             |               
            
                9.60
             |                           
            
                9.80
             | 
            
                9.88
             |                     
            
                9.80
             |                                 
            
                229,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2016
             | 
            
                -0.20 / -2.00%
             |             
            
                9.90
             |           
            
                10.10
             |               
            
                9.30
             |                           
            
                9.80
             | 
            
                9.73
             |                     
            
                9.80
             |                                 
            
                598,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                10.00
             |                                 
            
                255,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2016
             | 
            
                +0.90 / +9.89%
             |             
            
                9.10
             |           
            
                10.00
             |               
            
                9.10
             |                           
            
                10.00
             | 
            
                9.90
             |                     
            
                10.00
             |                                 
            
                539,310
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2016
             | 
            
                +0.80 / +9.64%
             |             
            
                8.40
             |           
            
                9.10
             |               
            
                8.20
             |                           
            
                9.10
             | 
            
                8.30
             |                     
            
                9.10
             |                                 
            
                451,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2016
             | 
            
                +0.40 / +5.06%
             |             
            
                7.90
             |           
            
                8.30
             |               
            
                7.90
             |                           
            
                8.30
             | 
            
                8.10
             |                     
            
                8.30
             |                                 
            
                1,428,550
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2016
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.30
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                8.07
             |                     
            
                7.90
             |                                 
            
                356,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2016
             | 
            
                -0.60 / -6.98%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.60
             |                     
            
                8.00
             |                                 
            
                1,148,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2016
             | 
            
                +0.70 / +8.86%
             |             
            
                8.10
             |           
            
                8.60
             |               
            
                7.90
             |                           
            
                8.60
             | 
            
                8.08
             |                     
            
                8.60
             |                                 
            
                756,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2016
             | 
            
                -0.20 / -2.47%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.30
             |                           
            
                7.90
             | 
            
                7.96
             |                     
            
                7.90
             |                                 
            
                639,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2016
             | 
            
                +0.60 / +8.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.70
             |                           
            
                8.10
             | 
            
                8.17
             |                     
            
                8.10
             |                                 
            
                517,516
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2016
             | 
            
                +0.60 / +8.70%
             |             
            
                6.90
             |           
            
                7.50
             |               
            
                6.80
             |                           
            
                7.50
             | 
            
                7.37
             |                     
            
                7.50
             |                                 
            
                1,561,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2016
             | 
            
                +0.30 / +4.55%
             |             
            
                6.80
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                6.90
             | 
            
                6.75
             |                     
            
                6.90
             |                                 
            
                193,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2016
             | 
            
                +0.60 / +10.00%
             |             
            
                6.30
             |           
            
                6.60
             |               
            
                6.20
             |                           
            
                6.60
             | 
            
                6.56
             |                     
            
                6.60
             |                                 
            
                752,304
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2016
             | 
            
                +0.50 / +9.09%
             |             
            
                5.50
             |           
            
                6.00
             |               
            
                5.40
             |                           
            
                6.00
             | 
            
                5.94
             |                     
            
                6.00
             |                                 
            
                845,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2016
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.70
             |               
            
                5.00
             |                           
            
                5.50
             | 
            
                5.24
             |                     
            
                5.50
             |                                 
            
                281,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2016
             | 
            
                +0.40 / +7.84%
             |             
            
                5.20
             |           
            
                5.60
             |               
            
                4.90
             |                           
            
                5.50
             | 
            
                5.39
             |                     
            
                5.50
             |                                 
            
                3,361,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2016
             | 
            
                +0.40 / +8.51%
             |             
            
                4.80
             |           
            
                5.10
             |               
            
                4.80
             |                           
            
                5.10
             | 
            
                5.08
             |                     
            
                5.10
             |                                 
            
                2,599,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2016
             | 
            
                +0.40 / +9.30%
             |             
            
                4.10
             |           
            
                4.70
             |               
            
                4.00
             |                           
            
                4.70
             | 
            
                4.57
             |                     
            
                4.70
             |                                 
            
                1,762,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2016
             | 
            
                -0.40 / -8.51%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.31
             |                     
            
                4.30
             |                                 
            
                307,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2016
             | 
            
                -0.50 / -9.62%
             |             
            
                4.70
             |           
            
                5.00
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.77
             |                     
            
                4.70
             |                                 
            
                905,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2016
             | 
            
                -0.50 / -8.77%
             |             
            
                5.40
             |           
            
                5.70
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.27
             |                     
            
                5.20
             |                                 
            
                849,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2016
             | 
            
                -0.60 / -9.52%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                5.70
             |                                 
            
                806,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2016
             | 
            
                -0.60 / -8.70%
             |             
            
                6.40
             |           
            
                6.80
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.35
             |                     
            
                6.30
             |                                 
            
                1,888,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2016
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                7.08
             |                     
            
                6.90
             |                                 
            
                929,710
             |  
            
                 
             |                                                              
             
    
         
    
    
 |