| 
                 
                    Closing price on 7/29/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    121.10 | 
                 
                
                    | High | 
                    122.40 | 
                 
                
                    | Low | 
                    121.10 | 
                     
                
                    | Volume | 
                    3,800 | 
                                 
                
                    | Split-adjusted Price | 
                    83.33 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SLS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                121.10
             |           
            
                122.40
             |               
            
                121.10
             |                           
            
                122.30
             | 
            
                122.37
             |                     
            
                83.33
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2021
             | 
            
                -0.10 / -0.08%
             |             
            
                122.40
             |           
            
                122.40
             |               
            
                122.30
             |                           
            
                122.30
             | 
            
                122.40
             |                     
            
                83.33
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2021
             | 
            
                +1.00 / +0.82%
             |             
            
                121.40
             |           
            
                122.50
             |               
            
                119.20
             |                           
            
                122.40
             | 
            
                122.04
             |                     
            
                83.40
             |                                 
            
                9,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2021
             | 
            
                -0.10 / -0.08%
             |             
            
                121.50
             |           
            
                121.50
             |               
            
                118.10
             |                           
            
                121.40
             | 
            
                119.32
             |                     
            
                82.72
             |                                 
            
                8,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2021
             | 
            
                -4.20 / -3.34%
             |             
            
                125.70
             |           
            
                125.70
             |               
            
                113.20
             |                           
            
                121.50
             | 
            
                121.91
             |                     
            
                82.79
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2021
             | 
            
                +2.80 / +2.28%
             |             
            
                122.00
             |           
            
                126.00
             |               
            
                122.00
             |                           
            
                125.70
             | 
            
                123.54
             |                     
            
                85.65
             |                                 
            
                9,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2021
             | 
            
                +0.40 / +0.33%
             |             
            
                125.00
             |           
            
                127.00
             |               
            
                120.00
             |                           
            
                122.90
             | 
            
                123.61
             |                     
            
                83.74
             |                                 
            
                18,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2021
             | 
            
                +0.50 / +0.41%
             |             
            
                119.00
             |           
            
                122.50
             |               
            
                119.00
             |                           
            
                122.50
             | 
            
                121.72
             |                     
            
                83.47
             |                                 
            
                6,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2021
             | 
            
                0.00 / 0.00%
             |             
            
                120.00
             |           
            
                122.00
             |               
            
                120.00
             |                           
            
                122.00
             | 
            
                121.38
             |                     
            
                83.13
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2021
             | 
            
                0.00 / 0.00%
             |             
            
                122.00
             |           
            
                122.00
             |               
            
                122.00
             |                           
            
                122.00
             | 
            
                122.00
             |                     
            
                83.13
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                120.20
             |           
            
                122.30
             |               
            
                120.20
             |                           
            
                122.00
             | 
            
                122.07
             |                     
            
                83.13
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2021
             | 
            
                +0.20 / +0.16%
             |             
            
                121.00
             |           
            
                122.00
             |               
            
                120.00
             |                           
            
                122.00
             | 
            
                120.28
             |                     
            
                83.13
             |                                 
            
                10,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2021
             | 
            
                +3.60 / +3.05%
             |             
            
                120.00
             |           
            
                121.80
             |               
            
                120.00
             |                           
            
                121.80
             | 
            
                120.29
             |                     
            
                82.99
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2021
             | 
            
                -4.60 / -3.75%
             |             
            
                122.80
             |           
            
                122.80
             |               
            
                118.00
             |                           
            
                118.20
             | 
            
                119.17
             |                     
            
                80.54
             |                                 
            
                8,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2021
             | 
            
                +0.80 / +0.66%
             |             
            
                123.00
             |           
            
                124.00
             |               
            
                121.20
             |                           
            
                122.80
             | 
            
                122.92
             |                     
            
                83.67
             |                                 
            
                4,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2021
             | 
            
                -0.10 / -0.08%
             |             
            
                122.10
             |           
            
                122.10
             |               
            
                120.00
             |                           
            
                122.00
             | 
            
                121.30
             |                     
            
                83.13
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2021
             | 
            
                +2.10 / +1.75%
             |             
            
                121.60
             |           
            
                122.10
             |               
            
                120.00
             |                           
            
                122.10
             | 
            
                120.32
             |                     
            
                83.19
             |                                 
            
                15,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2021
             | 
            
                -6.60 / -5.21%
             |             
            
                125.00
             |           
            
                126.90
             |               
            
                120.00
             |                           
            
                120.00
             | 
            
                124.29
             |                     
            
                81.76
             |                                 
            
                8,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2021
             | 
            
                +0.80 / +0.64%
             |             
            
                125.70
             |           
            
                126.60
             |               
            
                124.00
             |                           
            
                126.60
             | 
            
                125.44
             |                     
            
                86.26
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2021
             | 
            
                +1.30 / +1.04%
             |             
            
                125.20
             |           
            
                125.80
             |               
            
                123.00
             |                           
            
                125.80
             | 
            
                124.63
             |                     
            
                85.72
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2021
             | 
            
                -2.20 / -1.74%
             |             
            
                126.70
             |           
            
                126.70
             |               
            
                124.00
             |                           
            
                124.50
             | 
            
                124.37
             |                     
            
                84.83
             |                                 
            
                16,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2021
             | 
            
                -0.70 / -0.55%
             |             
            
                126.00
             |           
            
                126.70
             |               
            
                123.60
             |                           
            
                126.70
             | 
            
                124.54
             |                     
            
                86.33
             |                                 
            
                19,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                127.40
             |           
            
                127.40
             |               
            
                127.00
             |                           
            
                127.40
             | 
            
                127.40
             |                     
            
                86.81
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2021
             | 
            
                -1.10 / -0.86%
             |             
            
                124.40
             |           
            
                128.00
             |               
            
                124.10
             |                           
            
                127.40
             | 
            
                125.61
             |                     
            
                86.81
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2021
             | 
            
                -0.70 / -0.54%
             |             
            
                129.30
             |           
            
                133.30
             |               
            
                125.00
             |                           
            
                128.50
             | 
            
                127.25
             |                     
            
                87.55
             |                                 
            
                14,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2021
             | 
            
                +0.30 / +0.23%
             |             
            
                125.50
             |           
            
                129.20
             |               
            
                125.00
             |                           
            
                129.20
             | 
            
                127.75
             |                     
            
                88.03
             |                                 
            
                8,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2021
             | 
            
                -5.10 / -3.81%
             |             
            
                131.00
             |           
            
                133.00
             |               
            
                120.60
             |                           
            
                128.90
             | 
            
                127.64
             |                     
            
                87.83
             |                                 
            
                32,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2021
             | 
            
                -2.30 / -1.69%
             |             
            
                136.30
             |           
            
                136.30
             |               
            
                133.00
             |                           
            
                134.00
             | 
            
                134.93
             |                     
            
                91.30
             |                                 
            
                14,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2021
             | 
            
                -3.60 / -2.57%
             |             
            
                136.10
             |           
            
                139.90
             |               
            
                135.50
             |                           
            
                136.30
             | 
            
                136.98
             |                     
            
                92.87
             |                                 
            
                9,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2021
             | 
            
                -1.10 / -0.78%
             |             
            
                141.00
             |           
            
                143.00
             |               
            
                135.00
             |                           
            
                139.90
             | 
            
                137.56
             |                     
            
                95.32
             |                                 
            
                34,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |