| 
                 
                    Closing price on 9/20/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.15 | 
                 
                
                    | High | 
                    21.35 | 
                 
                
                    | Low | 
                    20.55 | 
                     
                
                    | Volume | 
                    896,000 | 
                                 
                
                    | Split-adjusted Price | 
                    15.19 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NT2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/20/2021
             | 
            
                -0.60 / -2.84%
             |             
            
                21.15
             |           
            
                21.35
             |               
            
                20.55
             |                           
            
                20.55
             | 
            
                20.95
             |                     
            
                15.19
             |                                 
            
                896,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2021
             | 
            
                -0.25 / -1.17%
             |             
            
                21.40
             |           
            
                21.50
             |               
            
                20.90
             |                           
            
                21.15
             | 
            
                21.30
             |                     
            
                15.64
             |                                 
            
                470,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2021
             | 
            
                +0.85 / +4.14%
             |             
            
                20.75
             |           
            
                21.50
             |               
            
                20.70
             |                           
            
                21.40
             | 
            
                21.23
             |                     
            
                15.82
             |                                 
            
                782,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2021
             | 
            
                -0.55 / -2.61%
             |             
            
                21.10
             |           
            
                21.15
             |               
            
                20.40
             |                           
            
                20.55
             | 
            
                20.64
             |                     
            
                15.19
             |                                 
            
                1,048,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2021
             | 
            
                -0.30 / -1.40%
             |             
            
                21.40
             |           
            
                21.50
             |               
            
                20.50
             |                           
            
                21.10
             | 
            
                20.96
             |                     
            
                15.60
             |                                 
            
                1,099,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2021
             | 
            
                -0.05 / -0.23%
             |             
            
                21.30
             |           
            
                21.55
             |               
            
                21.00
             |                           
            
                21.40
             | 
            
                21.38
             |                     
            
                15.82
             |                                 
            
                727,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2021
             | 
            
                -0.20 / -0.92%
             |             
            
                21.80
             |           
            
                21.85
             |               
            
                21.40
             |                           
            
                21.45
             | 
            
                21.60
             |                     
            
                15.86
             |                                 
            
                543,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2021
             | 
            
                +0.25 / +1.17%
             |             
            
                21.40
             |           
            
                21.65
             |               
            
                21.35
             |                           
            
                21.65
             | 
            
                21.48
             |                     
            
                16.01
             |                                 
            
                682,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2021
             | 
            
                -0.10 / -0.47%
             |             
            
                21.40
             |           
            
                21.70
             |               
            
                20.80
             |                           
            
                21.40
             | 
            
                21.33
             |                     
            
                15.82
             |                                 
            
                922,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2021
             | 
            
                -0.50 / -2.27%
             |             
            
                22.00
             |           
            
                22.45
             |               
            
                21.40
             |                           
            
                21.50
             | 
            
                21.93
             |                     
            
                15.90
             |                                 
            
                1,373,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2021
             | 
            
                +0.05 / +0.23%
             |             
            
                22.00
             |           
            
                22.20
             |               
            
                21.55
             |                           
            
                22.00
             | 
            
                21.94
             |                     
            
                16.27
             |                                 
            
                1,619,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2021
             | 
            
                +1.35 / +6.55%
             |             
            
                20.45
             |           
            
                21.95
             |               
            
                20.40
             |                           
            
                21.95
             | 
            
                20.99
             |                     
            
                16.23
             |                                 
            
                1,966,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2021
             | 
            
                -0.25 / -1.20%
             |             
            
                20.80
             |           
            
                21.15
             |               
            
                20.50
             |                           
            
                20.60
             | 
            
                20.76
             |                     
            
                15.23
             |                                 
            
                932,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2021
             | 
            
                +0.40 / +1.96%
             |             
            
                20.80
             |           
            
                21.20
             |               
            
                20.50
             |                           
            
                20.85
             | 
            
                20.86
             |                     
            
                15.41
             |                                 
            
                1,278,568
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2021
             | 
            
                +1.30 / +6.79%
             |             
            
                19.30
             |           
            
                20.45
             |               
            
                19.10
             |                           
            
                20.45
             | 
            
                20.11
             |                     
            
                15.12
             |                                 
            
                2,177,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2021
             | 
            
                -0.30 / -1.54%
             |             
            
                19.30
             |           
            
                19.60
             |               
            
                19.15
             |                           
            
                19.15
             | 
            
                19.39
             |                     
            
                14.16
             |                                 
            
                423,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2021
             | 
            
                +0.40 / +2.10%
             |             
            
                18.90
             |           
            
                19.75
             |               
            
                18.85
             |                           
            
                19.45
             | 
            
                19.36
             |                     
            
                14.38
             |                                 
            
                552,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2021
             | 
            
                -0.25 / -1.30%
             |             
            
                19.30
             |           
            
                19.30
             |               
            
                18.80
             |                           
            
                19.05
             | 
            
                19.02
             |                     
            
                14.08
             |                                 
            
                412,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2021
             | 
            
                -0.10 / -0.52%
             |             
            
                19.45
             |           
            
                19.45
             |               
            
                19.05
             |                           
            
                19.30
             | 
            
                19.27
             |                     
            
                14.27
             |                                 
            
                578,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2021
             | 
            
                +0.10 / +0.52%
             |             
            
                19.30
             |           
            
                19.60
             |               
            
                19.15
             |                           
            
                19.40
             | 
            
                19.36
             |                     
            
                14.34
             |                                 
            
                844,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2021
             | 
            
                0.00 / 0.00%
             |             
            
                19.30
             |           
            
                19.35
             |               
            
                19.10
             |                           
            
                19.30
             | 
            
                19.25
             |                     
            
                14.27
             |                                 
            
                325,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2021
             | 
            
                +0.15 / +0.78%
             |             
            
                19.00
             |           
            
                19.35
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.10
             |                     
            
                14.27
             |                                 
            
                390,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2021
             | 
            
                -0.10 / -0.52%
             |             
            
                19.25
             |           
            
                19.25
             |               
            
                19.10
             |                           
            
                19.15
             | 
            
                19.16
             |                     
            
                14.16
             |                                 
            
                319,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2021
             | 
            
                +0.25 / +1.32%
             |             
            
                19.00
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.25
             | 
            
                19.25
             |                     
            
                14.23
             |                                 
            
                519,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2021
             | 
            
                -0.20 / -1.04%
             |             
            
                19.10
             |           
            
                19.15
             |               
            
                18.70
             |                           
            
                19.00
             | 
            
                18.93
             |                     
            
                14.05
             |                                 
            
                463,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2021
             | 
            
                +0.05 / +0.26%
             |             
            
                19.15
             |           
            
                19.25
             |               
            
                18.95
             |                           
            
                19.20
             | 
            
                19.09
             |                     
            
                14.19
             |                                 
            
                294,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2021
             | 
            
                -0.15 / -0.78%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.15
             |                           
            
                19.15
             | 
            
                19.26
             |                     
            
                14.16
             |                                 
            
                280,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2021
             | 
            
                +0.25 / +1.31%
             |             
            
                19.10
             |           
            
                19.30
             |               
            
                18.95
             |                           
            
                19.30
             | 
            
                19.07
             |                     
            
                14.27
             |                                 
            
                499,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2021
             | 
            
                +0.15 / +0.79%
             |             
            
                19.10
             |           
            
                19.10
             |               
            
                18.90
             |                           
            
                19.05
             | 
            
                19.01
             |                     
            
                14.08
             |                                 
            
                265,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2021
             | 
            
                -0.20 / -1.05%
             |             
            
                19.10
             |           
            
                19.20
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                18.98
             |                     
            
                13.97
             |                                 
            
                211,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |