| 
                 
                    Closing price on 1/25/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    48.00 | 
                 
                
                    | High | 
                    49.00 | 
                 
                
                    | Low | 
                    47.00 | 
                     
                
                    | Volume | 
                    7,200 | 
                                 
                
                    | Split-adjusted Price | 
                    15.91 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SLS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/25/2016
             | 
            
                +0.10 / +0.21%
             |             
            
                48.00
             |           
            
                49.00
             |               
            
                47.00
             |                           
            
                47.50
             | 
            
                47.47
             |                     
            
                15.91
             |                                 
            
                7,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                47.00
             |           
            
                47.40
             |               
            
                46.00
             |                           
            
                47.40
             | 
            
                46.45
             |                     
            
                15.88
             |                                 
            
                15,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2016
             | 
            
                -0.60 / -1.25%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.00
             |                           
            
                47.40
             | 
            
                47.35
             |                     
            
                15.88
             |                                 
            
                10,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2016
             | 
            
                -0.50 / -1.03%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                47.50
             |                           
            
                48.00
             | 
            
                48.50
             |                     
            
                16.08
             |                                 
            
                20,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.50
             |               
            
                47.40
             |                           
            
                48.50
             | 
            
                47.87
             |                     
            
                16.25
             |                                 
            
                1,580
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2016
             | 
            
                -1.00 / -2.02%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                48.00
             |                           
            
                48.50
             | 
            
                48.19
             |                     
            
                16.25
             |                                 
            
                21,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2016
             | 
            
                -0.50 / -1.00%
             |             
            
                49.00
             |           
            
                49.50
             |               
            
                48.00
             |                           
            
                49.50
             | 
            
                48.52
             |                     
            
                16.58
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2016
             | 
            
                -5.00 / -9.09%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                16.75
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2016
             | 
            
                +4.50 / +8.91%
             |             
            
                50.00
             |           
            
                55.00
             |               
            
                48.50
             |                           
            
                55.00
             | 
            
                48.86
             |                     
            
                18.43
             |                                 
            
                8,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2016
             | 
            
                -0.50 / -0.98%
             |             
            
                50.50
             |           
            
                50.50
             |               
            
                50.30
             |                           
            
                50.50
             | 
            
                50.43
             |                     
            
                16.92
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2016
             | 
            
                +1.70 / +3.45%
             |             
            
                49.30
             |           
            
                51.00
             |               
            
                49.30
             |                           
            
                51.00
             | 
            
                50.10
             |                     
            
                17.09
             |                                 
            
                14,230
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2016
             | 
            
                -0.30 / -0.60%
             |             
            
                49.10
             |           
            
                49.30
             |               
            
                48.80
             |                           
            
                49.30
             | 
            
                49.13
             |                     
            
                16.52
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2016
             | 
            
                -0.20 / -0.40%
             |             
            
                49.40
             |           
            
                49.60
             |               
            
                48.60
             |                           
            
                49.60
             | 
            
                49.40
             |                     
            
                16.62
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2016
             | 
            
                +0.80 / +1.63%
             |             
            
                49.00
             |           
            
                49.80
             |               
            
                49.00
             |                           
            
                49.80
             | 
            
                49.02
             |                     
            
                16.69
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2016
             | 
            
                -2.00 / -3.92%
             |             
            
                49.20
             |           
            
                49.90
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.28
             |                     
            
                16.42
             |                                 
            
                3,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2016
             | 
            
                -0.50 / -0.97%
             |             
            
                49.30
             |           
            
                51.00
             |               
            
                49.30
             |                           
            
                51.00
             | 
            
                49.30
             |                     
            
                17.09
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/31/2015
             | 
            
                +0.50 / +0.98%
             |             
            
                51.50
             |           
            
                51.50
             |               
            
                51.50
             |                           
            
                51.50
             | 
            
                51.50
             |                     
            
                17.25
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2015
             | 
            
                +1.10 / +2.20%
             |             
            
                50.00
             |           
            
                51.00
             |               
            
                50.00
             |                           
            
                51.00
             | 
            
                50.01
             |                     
            
                17.09
             |                                 
            
                14,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2015
             | 
            
                +0.40 / +0.81%
             |             
            
                49.50
             |           
            
                50.00
             |               
            
                49.00
             |                           
            
                49.90
             | 
            
                49.38
             |                     
            
                16.72
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2015
             | 
            
                +0.90 / +1.85%
             |             
            
                49.50
             |           
            
                51.00
             |               
            
                49.00
             |                           
            
                49.50
             | 
            
                49.54
             |                     
            
                16.58
             |                                 
            
                7,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/25/2015
             | 
            
                -0.90 / -1.82%
             |             
            
                48.90
             |           
            
                49.00
             |               
            
                48.60
             |                           
            
                48.60
             | 
            
                48.97
             |                     
            
                16.28
             |                                 
            
                7,280
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.30
             |                           
            
                49.50
             | 
            
                49.49
             |                     
            
                16.58
             |                                 
            
                5,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |