| 
                 
                    Closing price on 12/29/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    86.80 | 
                 
                
                    | High | 
                    86.90 | 
                 
                
                    | Low | 
                    86.00 | 
                     
                
                    | Volume | 
                    7,400 | 
                                 
                
                    | Split-adjusted Price | 
                    36.37 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SLS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/29/2016
             | 
            
                -0.50 / -0.58%
             |             
            
                86.80
             |           
            
                86.90
             |               
            
                86.00
             |                           
            
                86.30
             | 
            
                86.42
             |                     
            
                36.37
             |                                 
            
                7,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2016
             | 
            
                -0.20 / -0.23%
             |             
            
                85.20
             |           
            
                86.80
             |               
            
                85.10
             |                           
            
                86.80
             | 
            
                85.92
             |                     
            
                36.58
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2016
             | 
            
                +2.00 / +2.35%
             |             
            
                86.80
             |           
            
                87.00
             |               
            
                85.00
             |                           
            
                87.00
             | 
            
                85.31
             |                     
            
                36.67
             |                                 
            
                7,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/26/2016
             | 
            
                -2.40 / -2.75%
             |             
            
                86.00
             |           
            
                86.00
             |               
            
                84.90
             |                           
            
                85.00
             | 
            
                85.08
             |                     
            
                35.83
             |                                 
            
                19,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2016
             | 
            
                +1.20 / +1.39%
             |             
            
                86.20
             |           
            
                87.40
             |               
            
                85.60
             |                           
            
                87.40
             | 
            
                86.03
             |                     
            
                36.84
             |                                 
            
                4,310
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2016
             | 
            
                -2.30 / -2.60%
             |             
            
                86.30
             |           
            
                87.50
             |               
            
                86.20
             |                           
            
                86.20
             | 
            
                86.39
             |                     
            
                36.33
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2016
             | 
            
                +0.20 / +0.23%
             |             
            
                89.70
             |           
            
                89.80
             |               
            
                87.00
             |                           
            
                88.50
             | 
            
                88.25
             |                     
            
                37.30
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/20/2016
             | 
            
                +1.70 / +1.96%
             |             
            
                88.00
             |           
            
                89.60
             |               
            
                88.00
             |                           
            
                88.30
             | 
            
                88.76
             |                     
            
                37.22
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/19/2016
             | 
            
                +1.20 / +1.41%
             |             
            
                87.50
             |           
            
                87.90
             |               
            
                86.00
             |                           
            
                86.60
             | 
            
                87.07
             |                     
            
                36.50
             |                                 
            
                12,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2016
             | 
            
                +0.10 / +0.12%
             |             
            
                87.90
             |           
            
                87.90
             |               
            
                85.20
             |                           
            
                85.40
             | 
            
                85.90
             |                     
            
                35.99
             |                                 
            
                14,515
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2016
             | 
            
                -1.80 / -2.07%
             |             
            
                87.20
             |           
            
                87.20
             |               
            
                85.30
             |                           
            
                85.30
             | 
            
                86.56
             |                     
            
                35.95
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2016
             | 
            
                +0.60 / +0.69%
             |             
            
                84.00
             |           
            
                88.80
             |               
            
                84.00
             |                           
            
                87.10
             | 
            
                86.13
             |                     
            
                36.71
             |                                 
            
                7,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2016
             | 
            
                -3.50 / -3.89%
             |             
            
                90.40
             |           
            
                90.40
             |               
            
                86.00
             |                           
            
                86.50
             | 
            
                87.98
             |                     
            
                36.46
             |                                 
            
                15,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/12/2016
             | 
            
                -0.80 / -0.88%
             |             
            
                90.00
             |           
            
                90.00
             |               
            
                87.00
             |                           
            
                90.00
             | 
            
                88.48
             |                     
            
                37.93
             |                                 
            
                5,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2016
             | 
            
                +0.40 / +0.44%
             |             
            
                90.00
             |           
            
                91.50
             |               
            
                90.00
             |                           
            
                90.80
             | 
            
                90.70
             |                     
            
                38.27
             |                                 
            
                8,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2016
             | 
            
                +2.40 / +2.73%
             |             
            
                88.50
             |           
            
                90.40
             |               
            
                86.10
             |                           
            
                90.40
             | 
            
                88.69
             |                     
            
                38.10
             |                                 
            
                9,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2016
             | 
            
                +1.00 / +1.15%
             |             
            
                90.00
             |           
            
                90.00
             |               
            
                86.00
             |                           
            
                88.00
             | 
            
                87.48
             |                     
            
                37.09
             |                                 
            
                9,060
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2016
             | 
            
                -3.10 / -3.44%
             |             
            
                90.00
             |           
            
                90.10
             |               
            
                86.00
             |                           
            
                87.00
             | 
            
                87.38
             |                     
            
                36.67
             |                                 
            
                23,145
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2016
             | 
            
                -5.90 / -6.15%
             |             
            
                96.00
             |           
            
                96.00
             |               
            
                90.00
             |                           
            
                90.10
             | 
            
                91.57
             |                     
            
                37.98
             |                                 
            
                33,310
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2016
             | 
            
                -4.00 / -4.00%
             |             
            
                100.00
             |           
            
                100.00
             |               
            
                93.50
             |                           
            
                96.00
             | 
            
                98.00
             |                     
            
                40.46
             |                                 
            
                24,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2016
             | 
            
                -1.00 / -0.99%
             |             
            
                101.50
             |           
            
                101.50
             |               
            
                99.50
             |                           
            
                100.00
             | 
            
                99.95
             |                     
            
                42.15
             |                                 
            
                10,170
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2016
             | 
            
                -0.50 / -0.49%
             |             
            
                100.10
             |           
            
                101.00
             |               
            
                99.00
             |                           
            
                101.00
             | 
            
                99.58
             |                     
            
                42.57
             |                                 
            
                8,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                102.00
             |           
            
                102.00
             |               
            
                100.00
             |                           
            
                101.50
             | 
            
                100.29
             |                     
            
                42.78
             |                                 
            
                6,820
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2016
             | 
            
                -0.70 / -0.68%
             |             
            
                108.00
             |           
            
                108.00
             |               
            
                101.00
             |                           
            
                101.50
             | 
            
                102.20
             |                     
            
                42.78
             |                                 
            
                4,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2016
             | 
            
                -0.80 / -0.78%
             |             
            
                102.00
             |           
            
                102.90
             |               
            
                100.00
             |                           
            
                102.20
             | 
            
                100.90
             |                     
            
                43.08
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2016
             | 
            
                -0.90 / -0.87%
             |             
            
                103.90
             |           
            
                103.90
             |               
            
                102.50
             |                           
            
                103.00
             | 
            
                103.30
             |                     
            
                43.41
             |                                 
            
                5,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2016
             | 
            
                +0.90 / +0.87%
             |             
            
                103.00
             |           
            
                105.00
             |               
            
                102.00
             |                           
            
                103.90
             | 
            
                102.84
             |                     
            
                43.79
             |                                 
            
                3,015
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2016
             | 
            
                -1.00 / -0.96%
             |             
            
                104.00
             |           
            
                104.00
             |               
            
                102.00
             |                           
            
                103.00
             | 
            
                102.98
             |                     
            
                43.41
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2016
             | 
            
                -0.50 / -0.48%
             |             
            
                100.20
             |           
            
                105.00
             |               
            
                100.20
             |                           
            
                104.00
             | 
            
                104.12
             |                     
            
                43.83
             |                                 
            
                2,710
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2016
             | 
            
                -2.10 / -1.97%
             |             
            
                104.60
             |           
            
                107.00
             |               
            
                104.00
             |                           
            
                104.50
             | 
            
                105.07
             |                     
            
                44.05
             |                                 
            
                5,810
             |  
            
                 
             |                                                              
             
    
         
    
    
 |