| 
                 
                    Closing price on 8/23/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    147.20 | 
                 
                
                    | High | 
                    153.90 | 
                 
                
                    | Low | 
                    147.10 | 
                     
                
                    | Volume | 
                    18,500 | 
                                 
                
                    | Split-adjusted Price | 
                    103.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SLS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/23/2021
             | 
            
                +1.90 / +1.27%
             |             
            
                147.20
             |           
            
                153.90
             |               
            
                147.10
             |                           
            
                151.90
             | 
            
                151.46
             |                     
            
                103.50
             |                                 
            
                18,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2021
             | 
            
                -7.00 / -4.46%
             |             
            
                157.00
             |           
            
                157.30
             |               
            
                148.70
             |                           
            
                150.00
             | 
            
                152.23
             |                     
            
                102.20
             |                                 
            
                34,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2021
             | 
            
                +8.20 / +5.51%
             |             
            
                150.00
             |           
            
                157.00
             |               
            
                148.80
             |                           
            
                157.00
             | 
            
                154.43
             |                     
            
                106.97
             |                                 
            
                62,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2021
             | 
            
                +8.80 / +6.29%
             |             
            
                140.10
             |           
            
                149.00
             |               
            
                140.10
             |                           
            
                148.80
             | 
            
                145.36
             |                     
            
                101.39
             |                                 
            
                31,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2021
             | 
            
                -1.00 / -0.71%
             |             
            
                142.00
             |           
            
                143.00
             |               
            
                140.00
             |                           
            
                140.00
             | 
            
                141.36
             |                     
            
                95.39
             |                                 
            
                26,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2021
             | 
            
                +6.10 / +4.52%
             |             
            
                134.90
             |           
            
                141.00
             |               
            
                134.90
             |                           
            
                141.00
             | 
            
                138.89
             |                     
            
                96.07
             |                                 
            
                68,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2021
             | 
            
                +0.30 / +0.22%
             |             
            
                134.60
             |           
            
                134.90
             |               
            
                130.00
             |                           
            
                134.90
             | 
            
                131.59
             |                     
            
                91.92
             |                                 
            
                18,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2021
             | 
            
                -1.90 / -1.39%
             |             
            
                137.50
             |           
            
                140.00
             |               
            
                134.60
             |                           
            
                134.60
             | 
            
                137.33
             |                     
            
                91.71
             |                                 
            
                36,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2021
             | 
            
                +6.70 / +5.16%
             |             
            
                131.00
             |           
            
                141.90
             |               
            
                131.00
             |                           
            
                136.50
             | 
            
                136.50
             |                     
            
                93.01
             |                                 
            
                34,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2021
             | 
            
                -0.10 / -0.08%
             |             
            
                126.50
             |           
            
                129.90
             |               
            
                126.50
             |                           
            
                129.80
             | 
            
                127.63
             |                     
            
                88.44
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2021
             | 
            
                +3.90 / +3.10%
             |             
            
                127.00
             |           
            
                130.00
             |               
            
                127.00
             |                           
            
                129.90
             | 
            
                128.97
             |                     
            
                88.51
             |                                 
            
                17,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2021
             | 
            
                +0.20 / +0.16%
             |             
            
                126.10
             |           
            
                126.80
             |               
            
                126.00
             |                           
            
                126.00
             | 
            
                126.13
             |                     
            
                85.85
             |                                 
            
                6,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2021
             | 
            
                +0.80 / +0.64%
             |             
            
                124.10
             |           
            
                127.90
             |               
            
                124.00
             |                           
            
                125.80
             | 
            
                126.15
             |                     
            
                85.72
             |                                 
            
                12,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2021
             | 
            
                +1.50 / +1.21%
             |             
            
                123.10
             |           
            
                125.00
             |               
            
                123.10
             |                           
            
                125.00
             | 
            
                124.48
             |                     
            
                85.17
             |                                 
            
                9,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2021
             | 
            
                +1.50 / +1.23%
             |             
            
                122.00
             |           
            
                125.00
             |               
            
                122.00
             |                           
            
                123.50
             | 
            
                122.74
             |                     
            
                84.15
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2021
             | 
            
                +0.10 / +0.08%
             |             
            
                121.90
             |           
            
                123.00
             |               
            
                120.50
             |                           
            
                122.00
             | 
            
                121.60
             |                     
            
                83.13
             |                                 
            
                12,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2021
             | 
            
                -0.40 / -0.33%
             |             
            
                122.30
             |           
            
                122.30
             |               
            
                120.00
             |                           
            
                121.90
             | 
            
                121.33
             |                     
            
                83.06
             |                                 
            
                4,588
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |