| 
                 
                    Closing price on 8/11/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.50 | 
                 
                
                    | High | 
                    30.50 | 
                 
                
                    | Low | 
                    28.10 | 
                     
                
                    | Volume | 
                    61,400 | 
                                 
                
                    | Split-adjusted Price | 
                    8.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SLS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/11/2015
             | 
            
                -1.70 / -5.57%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                28.10
             |                           
            
                28.80
             | 
            
                30.50
             |                     
            
                8.63
             |                                 
            
                61,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2015
             | 
            
                -3.30 / -9.76%
             |             
            
                30.60
             |           
            
                32.80
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.84
             |                     
            
                9.14
             |                                 
            
                61,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2015
             | 
            
                +2.90 / +9.39%
             |             
            
                30.90
             |           
            
                33.80
             |               
            
                30.00
             |                           
            
                33.80
             | 
            
                30.91
             |                     
            
                10.13
             |                                 
            
                170,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2015
             | 
            
                +0.10 / +0.32%
             |             
            
                33.00
             |           
            
                33.80
             |               
            
                30.80
             |                           
            
                30.90
             | 
            
                32.31
             |                     
            
                9.26
             |                                 
            
                58,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2015
             | 
            
                +2.80 / +10.00%
             |             
            
                28.00
             |           
            
                30.80
             |               
            
                28.00
             |                           
            
                30.80
             | 
            
                28.62
             |                     
            
                9.23
             |                                 
            
                1,148,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2015
             | 
            
                +1.00 / +3.70%
             |             
            
                27.50
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                28.00
             | 
            
                27.99
             |                     
            
                8.39
             |                                 
            
                520,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2015
             | 
            
                +1.40 / +5.47%
             |             
            
                25.60
             |           
            
                28.00
             |               
            
                25.60
             |                           
            
                27.00
             | 
            
                26.01
             |                     
            
                8.09
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2015
             | 
            
                0.00 / 0.00%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                7.67
             |                                 
            
                2,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2015
             | 
            
                0.00 / 0.00%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                7.67
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2015
             | 
            
                0.00 / 0.00%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                7.67
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2015
             | 
            
                0.00 / 0.00%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                7.67
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                7.67
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2015
             | 
            
                -0.90 / -3.40%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                7.67
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2015
             | 
            
                -2.00 / -7.02%
             |             
            
                26.50
             |           
            
                26.50
             |               
            
                26.50
             |                           
            
                26.50
             | 
            
                26.50
             |                     
            
                7.94
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2015
             | 
            
                +2.50 / +9.62%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.54
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2015
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                7.79
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                7.79
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2015
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                7.79
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2015
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                7.79
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |