| 
                 
                    Closing price on 3/30/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.90 | 
                 
                
                    | High | 
                    7.50 | 
                 
                
                    | Low | 
                    6.80 | 
                     
                
                    | Volume | 
                    1,481,000 | 
                                 
                
                    | Split-adjusted Price | 
                    7.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SPI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/30/2016
             | 
            
                +0.10 / +1.37%
             |             
            
                6.90
             |           
            
                7.50
             |               
            
                6.80
             |                           
            
                7.40
             | 
            
                7.18
             |                     
            
                7.40
             |                                 
            
                1,481,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2016
             | 
            
                -0.50 / -6.41%
             |             
            
                7.40
             |           
            
                7.80
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.46
             |                     
            
                7.30
             |                                 
            
                1,339,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2016
             | 
            
                +0.60 / +8.33%
             |             
            
                6.80
             |           
            
                7.80
             |               
            
                6.60
             |                           
            
                7.80
             | 
            
                7.52
             |                     
            
                7.80
             |                                 
            
                1,736,940
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2016
             | 
            
                -0.70 / -8.86%
             |             
            
                7.70
             |           
            
                8.00
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.55
             |                     
            
                7.20
             |                                 
            
                2,012,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2016
             | 
            
                -0.80 / -9.20%
             |             
            
                8.60
             |           
            
                8.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                8.54
             |                     
            
                7.90
             |                                 
            
                2,074,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2016
             | 
            
                +0.60 / +7.41%
             |             
            
                8.10
             |           
            
                8.70
             |               
            
                8.10
             |                           
            
                8.70
             | 
            
                8.43
             |                     
            
                8.70
             |                                 
            
                1,547,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2016
             | 
            
                +0.60 / +8.00%
             |             
            
                7.60
             |           
            
                8.20
             |               
            
                7.60
             |                           
            
                8.10
             | 
            
                8.01
             |                     
            
                8.10
             |                                 
            
                1,544,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2016
             | 
            
                +0.60 / +8.70%
             |             
            
                6.80
             |           
            
                7.50
             |               
            
                6.40
             |                           
            
                7.50
             | 
            
                7.17
             |                     
            
                7.50
             |                                 
            
                1,491,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2016
             | 
            
                -0.20 / -2.82%
             |             
            
                6.90
             |           
            
                7.10
             |               
            
                6.70
             |                           
            
                6.90
             | 
            
                6.89
             |                     
            
                6.90
             |                                 
            
                1,808,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2016
             | 
            
                +0.20 / +2.90%
             |             
            
                6.90
             |           
            
                7.30
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                7.15
             |                     
            
                7.10
             |                                 
            
                1,342,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2016
             | 
            
                +0.50 / +7.81%
             |             
            
                6.40
             |           
            
                7.00
             |               
            
                6.30
             |                           
            
                6.90
             | 
            
                6.78
             |                     
            
                6.90
             |                                 
            
                1,391,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2016
             | 
            
                +0.40 / +6.67%
             |             
            
                6.00
             |           
            
                6.50
             |               
            
                5.80
             |                           
            
                6.40
             | 
            
                6.19
             |                     
            
                6.40
             |                                 
            
                1,605,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2016
             | 
            
                +0.50 / +9.09%
             |             
            
                5.50
             |           
            
                6.00
             |               
            
                5.50
             |                           
            
                6.00
             | 
            
                5.79
             |                     
            
                6.00
             |                                 
            
                1,048,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2016
             | 
            
                +0.30 / +5.77%
             |             
            
                5.10
             |           
            
                5.60
             |               
            
                5.10
             |                           
            
                5.50
             | 
            
                5.38
             |                     
            
                5.50
             |                                 
            
                1,308,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2016
             | 
            
                +0.10 / +1.96%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.23
             |                     
            
                5.20
             |                                 
            
                1,271,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2016
             | 
            
                0.00 / 0.00%
             |             
            
                5.10
             |           
            
                5.40
             |               
            
                4.80
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                5.10
             |                                 
            
                1,204,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2016
             | 
            
                -0.10 / -1.92%
             |             
            
                5.10
             |           
            
                5.60
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.42
             |                     
            
                5.10
             |                                 
            
                1,296,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2016
             | 
            
                +0.30 / +6.12%
             |             
            
                4.80
             |           
            
                5.30
             |               
            
                4.70
             |                           
            
                5.20
             | 
            
                5.07
             |                     
            
                5.20
             |                                 
            
                1,089,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2016
             | 
            
                +0.40 / +8.89%
             |             
            
                4.40
             |           
            
                4.90
             |               
            
                4.30
             |                           
            
                4.90
             | 
            
                4.53
             |                     
            
                4.90
             |                                 
            
                1,292,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2016
             | 
            
                -0.20 / -4.26%
             |             
            
                4.50
             |           
            
                4.80
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.63
             |                     
            
                4.50
             |                                 
            
                1,038,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2016
             | 
            
                +0.20 / +4.44%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.10
             |                           
            
                4.70
             | 
            
                4.66
             |                     
            
                4.70
             |                                 
            
                1,280,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2016
             | 
            
                +0.40 / +9.76%
             |             
            
                4.10
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.50
             | 
            
                4.37
             |                     
            
                4.50
             |                                 
            
                1,061,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/29/2016
             | 
            
                +0.30 / +7.89%
             |             
            
                3.70
             |           
            
                4.10
             |               
            
                3.70
             |                           
            
                4.10
             | 
            
                3.92
             |                     
            
                4.10
             |                                 
            
                1,643,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2016
             | 
            
                +0.30 / +8.57%
             |             
            
                3.30
             |           
            
                3.80
             |               
            
                3.30
             |                           
            
                3.80
             | 
            
                3.47
             |                     
            
                3.80
             |                                 
            
                1,820,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2016
             | 
            
                -0.10 / -2.78%
             |             
            
                3.60
             |           
            
                3.70
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.60
             |                     
            
                3.50
             |                                 
            
                918,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2016
             | 
            
                +0.30 / +9.09%
             |             
            
                3.30
             |           
            
                3.60
             |               
            
                3.00
             |                           
            
                3.60
             | 
            
                3.41
             |                     
            
                3.60
             |                                 
            
                1,159,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2016
             | 
            
                +0.30 / +10.00%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.30
             | 
            
                3.22
             |                     
            
                3.30
             |                                 
            
                1,224,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2016
             | 
            
                +0.20 / +7.14%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.94
             |                     
            
                3.00
             |                                 
            
                1,196,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2016
             | 
            
                +0.10 / +3.70%
             |             
            
                2.70
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.82
             |                     
            
                2.80
             |                                 
            
                1,194,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2016
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                826,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 | 
					 
				  |