| 
                 
                    Closing price on 6/17/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.50 | 
                 
                
                    | High | 
                    20.80 | 
                 
                
                    | Low | 
                    20.30 | 
                     
                
                    | Volume | 
                    368,200 | 
                                 
                
                    | Split-adjusted Price | 
                    15.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NT2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/17/2021
             | 
            
                -0.10 / -0.48%
             |             
            
                20.50
             |           
            
                20.80
             |               
            
                20.30
             |                           
            
                20.70
             | 
            
                20.61
             |                     
            
                15.30
             |                                 
            
                368,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2021
             | 
            
                +0.30 / +1.46%
             |             
            
                20.60
             |           
            
                20.90
             |               
            
                20.50
             |                           
            
                20.80
             | 
            
                20.75
             |                     
            
                15.38
             |                                 
            
                775,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2021
             | 
            
                +0.50 / +2.50%
             |             
            
                19.95
             |           
            
                20.75
             |               
            
                19.95
             |                           
            
                20.50
             | 
            
                20.46
             |                     
            
                15.16
             |                                 
            
                919,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2021
             | 
            
                +0.40 / +2.04%
             |             
            
                19.60
             |           
            
                20.20
             |               
            
                19.60
             |                           
            
                20.00
             | 
            
                19.85
             |                     
            
                14.79
             |                                 
            
                739,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2021
             | 
            
                +0.30 / +1.55%
             |             
            
                19.40
             |           
            
                19.70
             |               
            
                19.35
             |                           
            
                19.60
             | 
            
                19.51
             |                     
            
                14.49
             |                                 
            
                306,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2021
             | 
            
                0.00 / 0.00%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                19.15
             |                           
            
                19.30
             | 
            
                19.20
             |                     
            
                14.27
             |                                 
            
                302,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2021
             | 
            
                0.00 / 0.00%
             |             
            
                19.15
             |           
            
                19.50
             |               
            
                19.15
             |                           
            
                19.30
             | 
            
                19.25
             |                     
            
                14.27
             |                                 
            
                327,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2021
             | 
            
                -0.45 / -2.28%
             |             
            
                19.60
             |           
            
                19.80
             |               
            
                19.10
             |                           
            
                19.30
             | 
            
                19.50
             |                     
            
                14.27
             |                                 
            
                406,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2021
             | 
            
                0.00 / 0.00%
             |             
            
                19.90
             |           
            
                20.05
             |               
            
                19.50
             |                           
            
                19.75
             | 
            
                19.83
             |                     
            
                14.60
             |                                 
            
                377,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2021
             | 
            
                -0.25 / -1.25%
             |             
            
                20.35
             |           
            
                20.35
             |               
            
                19.55
             |                           
            
                19.75
             | 
            
                19.81
             |                     
            
                14.60
             |                                 
            
                311,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2021
             | 
            
                +0.85 / +4.44%
             |             
            
                19.15
             |           
            
                20.10
             |               
            
                19.15
             |                           
            
                20.00
             | 
            
                19.80
             |                     
            
                14.79
             |                                 
            
                1,277,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2021
             | 
            
                +0.20 / +1.06%
             |             
            
                19.10
             |           
            
                19.15
             |               
            
                18.95
             |                           
            
                19.15
             | 
            
                19.05
             |                     
            
                14.16
             |                                 
            
                420,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2021
             | 
            
                -0.15 / -0.79%
             |             
            
                19.00
             |           
            
                19.10
             |               
            
                18.90
             |                           
            
                18.95
             | 
            
                19.01
             |                     
            
                14.01
             |                                 
            
                363,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2021
             | 
            
                -0.15 / -0.78%
             |             
            
                19.15
             |           
            
                19.20
             |               
            
                19.00
             |                           
            
                19.10
             | 
            
                19.06
             |                     
            
                14.12
             |                                 
            
                338,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2021
             | 
            
                +0.10 / +0.52%
             |             
            
                19.20
             |           
            
                19.25
             |               
            
                19.00
             |                           
            
                19.25
             | 
            
                19.12
             |                     
            
                14.23
             |                                 
            
                185,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2021
             | 
            
                -0.25 / -1.29%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                19.10
             |                           
            
                19.15
             | 
            
                19.19
             |                     
            
                14.16
             |                                 
            
                211,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2021
             | 
            
                -0.10 / -0.51%
             |             
            
                19.50
             |           
            
                19.80
             |               
            
                19.40
             |                           
            
                19.40
             | 
            
                19.51
             |                     
            
                14.34
             |                                 
            
                371,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2021
             | 
            
                +0.30 / +1.56%
             |             
            
                19.20
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.50
             | 
            
                19.33
             |                     
            
                14.42
             |                                 
            
                335,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2021
             | 
            
                +0.45 / +2.40%
             |             
            
                18.75
             |           
            
                19.30
             |               
            
                18.75
             |                           
            
                19.20
             | 
            
                19.16
             |                     
            
                14.19
             |                                 
            
                320,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2021
             | 
            
                -0.15 / -0.79%
             |             
            
                18.95
             |           
            
                18.95
             |               
            
                18.65
             |                           
            
                18.75
             | 
            
                18.73
             |                     
            
                13.86
             |                                 
            
                635,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2021
             | 
            
                -0.40 / -2.07%
             |             
            
                19.30
             |           
            
                19.30
             |               
            
                18.70
             |                           
            
                18.90
             | 
            
                18.85
             |                     
            
                13.97
             |                                 
            
                622,665
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2021
             | 
            
                -0.60 / -3.02%
             |             
            
                19.90
             |           
            
                19.90
             |               
            
                19.30
             |                           
            
                19.30
             | 
            
                19.60
             |                     
            
                14.27
             |                                 
            
                477,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2021
             | 
            
                -0.15 / -0.75%
             |             
            
                20.15
             |           
            
                20.15
             |               
            
                19.75
             |                           
            
                19.90
             | 
            
                19.75
             |                     
            
                14.71
             |                                 
            
                1,246,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2021
             | 
            
                -0.10 / -0.50%
             |             
            
                20.20
             |           
            
                20.20
             |               
            
                20.00
             |                           
            
                20.05
             | 
            
                20.00
             |                     
            
                14.82
             |                                 
            
                270,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2021
             | 
            
                -0.10 / -0.49%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.10
             |                           
            
                20.15
             | 
            
                20.24
             |                     
            
                14.90
             |                                 
            
                247,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2021
             | 
            
                -0.10 / -0.49%
             |             
            
                20.25
             |           
            
                20.50
             |               
            
                20.25
             |                           
            
                20.25
             | 
            
                20.31
             |                     
            
                14.97
             |                                 
            
                302,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2021
             | 
            
                -0.05 / -0.25%
             |             
            
                20.60
             |           
            
                20.60
             |               
            
                20.35
             |                           
            
                20.35
             | 
            
                20.43
             |                     
            
                15.05
             |                                 
            
                223,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2021
             | 
            
                +0.10 / +0.49%
             |             
            
                20.30
             |           
            
                20.60
             |               
            
                20.20
             |                           
            
                20.40
             | 
            
                20.42
             |                     
            
                15.08
             |                                 
            
                321,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2021
             | 
            
                -0.10 / -0.49%
             |             
            
                20.40
             |           
            
                20.40
             |               
            
                20.05
             |                           
            
                20.30
             | 
            
                20.22
             |                     
            
                15.01
             |                                 
            
                438,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2021
             | 
            
                -0.30 / -1.45%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.30
             |                           
            
                20.40
             | 
            
                20.48
             |                     
            
                15.08
             |                                 
            
                281,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |