| 
                 
                    Closing price on 12/23/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    50.00 | 
                 
                
                    | High | 
                    50.00 | 
                 
                
                    | Low | 
                    49.50 | 
                     
                
                    | Volume | 
                    5,500 | 
                                 
                
                    | Split-adjusted Price | 
                    16.58 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SLS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/23/2015
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.50
             |                           
            
                49.50
             | 
            
                49.70
             |                     
            
                16.58
             |                                 
            
                5,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2015
             | 
            
                -0.30 / -0.60%
             |             
            
                49.60
             |           
            
                50.50
             |               
            
                49.50
             |                           
            
                49.50
             | 
            
                49.95
             |                     
            
                16.58
             |                                 
            
                7,084
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2015
             | 
            
                -1.70 / -3.30%
             |             
            
                51.50
             |           
            
                51.50
             |               
            
                49.80
             |                           
            
                49.80
             | 
            
                50.19
             |                     
            
                16.69
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2015
             | 
            
                0.00 / 0.00%
             |             
            
                51.50
             |           
            
                51.50
             |               
            
                50.50
             |                           
            
                51.50
             | 
            
                50.98
             |                     
            
                17.25
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                51.50
             |           
            
                51.50
             |               
            
                51.50
             |                           
            
                51.50
             | 
            
                51.50
             |                     
            
                17.25
             |                                 
            
                1,952
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2015
             | 
            
                +0.10 / +0.19%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                51.50
             |                           
            
                51.50
             | 
            
                51.72
             |                     
            
                17.25
             |                                 
            
                6,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2015
             | 
            
                +1.30 / +2.59%
             |             
            
                50.10
             |           
            
                52.00
             |               
            
                50.10
             |                           
            
                51.40
             | 
            
                50.78
             |                     
            
                17.22
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2015
             | 
            
                -1.70 / -3.28%
             |             
            
                52.00
             |           
            
                53.00
             |               
            
                50.10
             |                           
            
                50.10
             | 
            
                51.52
             |                     
            
                16.79
             |                                 
            
                9,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2015
             | 
            
                +0.20 / +0.39%
             |             
            
                51.60
             |           
            
                51.80
             |               
            
                51.00
             |                           
            
                51.80
             | 
            
                51.44
             |                     
            
                17.36
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2015
             | 
            
                -0.40 / -0.77%
             |             
            
                52.00
             |           
            
                53.00
             |               
            
                50.50
             |                           
            
                51.60
             | 
            
                52.14
             |                     
            
                17.29
             |                                 
            
                1,102
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2015
             | 
            
                +0.60 / +1.17%
             |             
            
                50.50
             |           
            
                54.10
             |               
            
                50.50
             |                           
            
                52.00
             | 
            
                52.53
             |                     
            
                17.42
             |                                 
            
                13,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2015
             | 
            
                +1.60 / +3.21%
             |             
            
                48.10
             |           
            
                51.80
             |               
            
                48.10
             |                           
            
                51.40
             | 
            
                50.32
             |                     
            
                17.22
             |                                 
            
                13,364
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2015
             | 
            
                +0.30 / +0.61%
             |             
            
                49.60
             |           
            
                50.00
             |               
            
                44.80
             |                           
            
                49.80
             | 
            
                47.38
             |                     
            
                16.69
             |                                 
            
                21,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2015
             | 
            
                -0.50 / -1.00%
             |             
            
                50.00
             |           
            
                50.50
             |               
            
                49.20
             |                           
            
                49.50
             | 
            
                50.02
             |                     
            
                16.58
             |                                 
            
                4,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.40
             |               
            
                49.90
             |                           
            
                50.00
             | 
            
                50.25
             |                     
            
                16.75
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2015
             | 
            
                +0.60 / +1.21%
             |             
            
                47.60
             |           
            
                50.50
             |               
            
                47.60
             |                           
            
                50.00
             | 
            
                48.19
             |                     
            
                16.75
             |                                 
            
                6,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2015
             | 
            
                +0.50 / +1.02%
             |             
            
                44.30
             |           
            
                50.90
             |               
            
                44.20
             |                           
            
                49.40
             | 
            
                45.44
             |                     
            
                16.55
             |                                 
            
                51,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2015
             | 
            
                -2.10 / -4.12%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                48.70
             |                           
            
                48.90
             | 
            
                51.00
             |                     
            
                16.38
             |                                 
            
                33,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2015
             | 
            
                -2.50 / -4.67%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                50.20
             |                           
            
                51.00
             | 
            
                53.50
             |                     
            
                17.09
             |                                 
            
                23,050
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2015
             | 
            
                -1.30 / -2.37%
             |             
            
                55.50
             |           
            
                55.90
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                54.82
             |                     
            
                17.92
             |                                 
            
                22,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2015
             | 
            
                -1.00 / -1.79%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                53.50
             |                           
            
                54.80
             | 
            
                54.31
             |                     
            
                18.36
             |                                 
            
                20,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2015
             | 
            
                -2.10 / -3.63%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                54.00
             |                           
            
                55.80
             | 
            
                54.88
             |                     
            
                18.70
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2015
             | 
            
                +1.60 / +2.84%
             |             
            
                56.20
             |           
            
                59.00
             |               
            
                56.00
             |                           
            
                57.90
             | 
            
                57.38
             |                     
            
                19.40
             |                                 
            
                21,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2015
             | 
            
                +3.80 / +7.24%
             |             
            
                52.50
             |           
            
                57.70
             |               
            
                52.50
             |                           
            
                56.30
             | 
            
                56.25
             |                     
            
                18.86
             |                                 
            
                30,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2015
             | 
            
                +1.70 / +3.35%
             |             
            
                50.00
             |           
            
                53.50
             |               
            
                50.00
             |                           
            
                52.50
             | 
            
                51.06
             |                     
            
                17.59
             |                                 
            
                29,942
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2015
             | 
            
                -0.70 / -1.36%
             |             
            
                50.00
             |           
            
                50.80
             |               
            
                49.60
             |                           
            
                50.80
             | 
            
                50.01
             |                     
            
                17.02
             |                                 
            
                12,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2015
             | 
            
                -0.50 / -0.96%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                50.00
             |                           
            
                51.50
             | 
            
                50.90
             |                     
            
                17.25
             |                                 
            
                6,810
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2015
             | 
            
                +0.50 / +0.97%
             |             
            
                52.00
             |           
            
                52.50
             |               
            
                51.20
             |                           
            
                52.00
             | 
            
                51.99
             |                     
            
                17.42
             |                                 
            
                23,617
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2015
             | 
            
                +5.00 / +9.90%
             |             
            
                50.80
             |           
            
                55.50
             |               
            
                49.00
             |                           
            
                55.50
             | 
            
                50.19
             |                     
            
                17.25
             |                                 
            
                67,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2015
             | 
            
                +0.50 / +1.00%
             |             
            
                50.40
             |           
            
                50.90
             |               
            
                49.50
             |                           
            
                50.50
             | 
            
                50.02
             |                     
            
                15.70
             |                                 
            
                8,252
             |  
            
                 
             |                                                              
             
    
         
    
    
 |