| 
                 
                    Closing price on 3/5/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    108.00 | 
                 
                
                    | High | 
                    108.00 | 
                 
                
                    | Low | 
                    104.00 | 
                     
                
                    | Volume | 
                    11,000 | 
                                 
                
                    | Split-adjusted Price | 
                    72.77 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SLS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/5/2021
             | 
            
                -0.20 / -0.19%
             |             
            
                108.00
             |           
            
                108.00
             |               
            
                104.00
             |                           
            
                106.80
             | 
            
                105.67
             |                     
            
                72.77
             |                                 
            
                11,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2021
             | 
            
                +0.10 / +0.09%
             |             
            
                108.00
             |           
            
                108.20
             |               
            
                103.50
             |                           
            
                107.00
             | 
            
                105.25
             |                     
            
                72.91
             |                                 
            
                28,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2021
             | 
            
                -0.60 / -0.56%
             |             
            
                107.00
             |           
            
                107.50
             |               
            
                104.00
             |                           
            
                106.90
             | 
            
                106.10
             |                     
            
                72.84
             |                                 
            
                18,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2021
             | 
            
                -0.90 / -0.83%
             |             
            
                108.30
             |           
            
                109.50
             |               
            
                107.50
             |                           
            
                107.50
             | 
            
                108.36
             |                     
            
                73.25
             |                                 
            
                23,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2021
             | 
            
                +4.00 / +3.83%
             |             
            
                103.50
             |           
            
                108.50
             |               
            
                101.00
             |                           
            
                108.40
             | 
            
                104.99
             |                     
            
                73.86
             |                                 
            
                58,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                -0.60 / -0.57%
             |             
            
                104.40
             |           
            
                104.50
             |               
            
                101.10
             |                           
            
                104.40
             | 
            
                103.48
             |                     
            
                71.13
             |                                 
            
                20,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                +2.00 / +1.94%
             |             
            
                103.10
             |           
            
                105.50
             |               
            
                103.10
             |                           
            
                105.00
             | 
            
                104.73
             |                     
            
                71.54
             |                                 
            
                35,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                -4.40 / -4.10%
             |             
            
                107.00
             |           
            
                107.90
             |               
            
                102.00
             |                           
            
                103.00
             | 
            
                104.75
             |                     
            
                70.18
             |                                 
            
                22,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                +3.40 / +3.27%
             |             
            
                104.00
             |           
            
                108.00
             |               
            
                104.00
             |                           
            
                107.40
             | 
            
                106.85
             |                     
            
                73.18
             |                                 
            
                26,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                +0.10 / +0.10%
             |             
            
                105.00
             |           
            
                108.50
             |               
            
                101.20
             |                           
            
                104.00
             | 
            
                105.99
             |                     
            
                70.86
             |                                 
            
                45,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2021
             | 
            
                +1.80 / +1.76%
             |             
            
                102.00
             |           
            
                103.90
             |               
            
                101.90
             |                           
            
                103.90
             | 
            
                102.36
             |                     
            
                70.79
             |                                 
            
                27,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2021
             | 
            
                +1.10 / +1.09%
             |             
            
                104.00
             |           
            
                104.00
             |               
            
                100.00
             |                           
            
                102.10
             | 
            
                101.95
             |                     
            
                69.57
             |                                 
            
                38,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2021
             | 
            
                +9.10 / +9.90%
             |             
            
                99.00
             |           
            
                101.00
             |               
            
                98.00
             |                           
            
                101.00
             | 
            
                99.99
             |                     
            
                68.82
             |                                 
            
                41,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2021
             | 
            
                +0.90 / +0.99%
             |             
            
                91.00
             |           
            
                92.00
             |               
            
                91.00
             |                           
            
                91.90
             | 
            
                91.87
             |                     
            
                62.62
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2021
             | 
            
                +2.00 / +2.25%
             |             
            
                91.00
             |           
            
                92.00
             |               
            
                89.00
             |                           
            
                91.00
             | 
            
                91.34
             |                     
            
                62.00
             |                                 
            
                27,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2021
             | 
            
                +0.50 / +0.56%
             |             
            
                88.00
             |           
            
                89.00
             |               
            
                86.50
             |                           
            
                89.00
             | 
            
                88.13
             |                     
            
                60.64
             |                                 
            
                13,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2021
             | 
            
                -1.40 / -1.56%
             |             
            
                89.50
             |           
            
                89.80
             |               
            
                87.00
             |                           
            
                88.50
             | 
            
                87.98
             |                     
            
                60.30
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2021
             | 
            
                +0.10 / +0.11%
             |             
            
                87.00
             |           
            
                91.00
             |               
            
                87.00
             |                           
            
                89.90
             | 
            
                89.96
             |                     
            
                61.25
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2021
             | 
            
                +8.00 / +9.78%
             |             
            
                78.50
             |           
            
                89.80
             |               
            
                78.50
             |                           
            
                89.80
             | 
            
                86.29
             |                     
            
                61.19
             |                                 
            
                14,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2021
             | 
            
                +0.10 / +0.12%
             |             
            
                81.50
             |           
            
                81.80
             |               
            
                80.00
             |                           
            
                81.80
             | 
            
                81.31
             |                     
            
                55.74
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2021
             | 
            
                +7.40 / +9.96%
             |             
            
                69.00
             |           
            
                81.70
             |               
            
                69.00
             |                           
            
                81.70
             | 
            
                77.69
             |                     
            
                55.67
             |                                 
            
                16,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2021
             | 
            
                -8.20 / -9.94%
             |             
            
                78.10
             |           
            
                78.50
             |               
            
                74.30
             |                           
            
                74.30
             | 
            
                76.32
             |                     
            
                50.62
             |                                 
            
                29,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2021
             | 
            
                -2.50 / -2.94%
             |             
            
                84.60
             |           
            
                84.80
             |               
            
                81.00
             |                           
            
                82.50
             | 
            
                82.40
             |                     
            
                56.21
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2021
             | 
            
                +0.90 / +1.07%
             |             
            
                84.10
             |           
            
                85.00
             |               
            
                82.10
             |                           
            
                85.00
             | 
            
                84.23
             |                     
            
                57.92
             |                                 
            
                15,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2021
             | 
            
                -2.90 / -3.33%
             |             
            
                82.00
             |           
            
                85.60
             |               
            
                80.80
             |                           
            
                84.10
             | 
            
                83.83
             |                     
            
                57.30
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2021
             | 
            
                -4.00 / -4.40%
             |             
            
                87.50
             |           
            
                87.50
             |               
            
                85.00
             |                           
            
                87.00
             | 
            
                85.18
             |                     
            
                59.28
             |                                 
            
                26,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2021
             | 
            
                +7.00 / +8.33%
             |             
            
                84.00
             |           
            
                91.00
             |               
            
                83.00
             |                           
            
                91.00
             | 
            
                85.08
             |                     
            
                62.00
             |                                 
            
                21,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2021
             | 
            
                -0.50 / -0.59%
             |             
            
                84.50
             |           
            
                84.50
             |               
            
                79.00
             |                           
            
                84.00
             | 
            
                82.23
             |                     
            
                57.23
             |                                 
            
                9,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2021
             | 
            
                -6.00 / -6.63%
             |             
            
                87.10
             |           
            
                87.10
             |               
            
                81.50
             |                           
            
                84.50
             | 
            
                83.37
             |                     
            
                57.57
             |                                 
            
                33,007
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2021
             | 
            
                +4.60 / +5.36%
             |             
            
                86.20
             |           
            
                91.50
             |               
            
                85.90
             |                           
            
                90.50
             | 
            
                89.40
             |                     
            
                61.66
             |                                 
            
                30,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |