| 
                 
                    Closing price on 5/10/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.40 | 
                 
                
                    | High | 
                    20.40 | 
                 
                
                    | Low | 
                    20.05 | 
                     
                
                    | Volume | 
                    438,400 | 
                                 
                
                    | Split-adjusted Price | 
                    15.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NT2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2021
             | 
            
                -0.10 / -0.48%
             |             
            
                20.70
             |           
            
                20.90
             |               
            
                20.60
             |                           
            
                20.70
             | 
            
                20.73
             |                     
            
                15.30
             |                                 
            
                174,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2021
             | 
            
                +0.10 / +0.48%
             |             
            
                20.70
             |           
            
                20.90
             |               
            
                20.70
             |                           
            
                20.80
             | 
            
                20.78
             |                     
            
                15.38
             |                                 
            
                275,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2021
             | 
            
                -0.50 / -2.36%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                20.70
             | 
            
                20.77
             |                     
            
                15.30
             |                                 
            
                269,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2021
             | 
            
                +0.75 / +3.67%
             |             
            
                20.50
             |           
            
                21.80
             |               
            
                20.15
             |                           
            
                21.20
             | 
            
                21.39
             |                     
            
                15.67
             |                                 
            
                2,427,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2021
             | 
            
                +0.05 / +0.25%
             |             
            
                20.10
             |           
            
                20.50
             |               
            
                20.10
             |                           
            
                20.45
             | 
            
                20.36
             |                     
            
                15.12
             |                                 
            
                464,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2021
             | 
            
                0.00 / 0.00%
             |             
            
                20.20
             |           
            
                20.40
             |               
            
                20.15
             |                           
            
                20.40
             | 
            
                20.28
             |                     
            
                15.08
             |                                 
            
                133,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2021
             | 
            
                -0.90 / -4.23%
             |             
            
                21.05
             |           
            
                21.05
             |               
            
                20.40
             |                           
            
                20.40
             | 
            
                20.65
             |                     
            
                15.08
             |                                 
            
                247,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2021
             | 
            
                +0.50 / +2.40%
             |             
            
                20.70
             |           
            
                21.30
             |               
            
                20.40
             |                           
            
                21.30
             | 
            
                20.72
             |                     
            
                15.75
             |                                 
            
                228,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2021
             | 
            
                -0.10 / -0.48%
             |             
            
                20.90
             |           
            
                21.45
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                21.01
             |                     
            
                15.38
             |                                 
            
                379,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2021
             | 
            
                -0.05 / -0.24%
             |             
            
                20.95
             |           
            
                21.10
             |               
            
                20.85
             |                           
            
                20.90
             | 
            
                20.96
             |                     
            
                15.45
             |                                 
            
                442,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2021
             | 
            
                -0.15 / -0.71%
             |             
            
                21.10
             |           
            
                21.30
             |               
            
                20.90
             |                           
            
                20.95
             | 
            
                21.01
             |                     
            
                15.49
             |                                 
            
                442,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2021
             | 
            
                -0.70 / -3.21%
             |             
            
                21.60
             |           
            
                21.80
             |               
            
                21.00
             |                           
            
                21.10
             | 
            
                21.36
             |                     
            
                15.60
             |                                 
            
                490,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2021
             | 
            
                -0.15 / -0.68%
             |             
            
                22.00
             |           
            
                22.05
             |               
            
                21.65
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                16.12
             |                                 
            
                651,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2021
             | 
            
                -0.15 / -0.68%
             |             
            
                22.05
             |           
            
                22.10
             |               
            
                21.85
             |                           
            
                21.95
             | 
            
                21.95
             |                     
            
                16.23
             |                                 
            
                683,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2021
             | 
            
                -0.15 / -0.67%
             |             
            
                22.20
             |           
            
                22.30
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.19
             |                     
            
                16.34
             |                                 
            
                698,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2021
             | 
            
                +0.05 / +0.23%
             |             
            
                22.20
             |           
            
                22.40
             |               
            
                22.15
             |                           
            
                22.25
             | 
            
                22.22
             |                     
            
                16.45
             |                                 
            
                368,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2021
             | 
            
                -0.05 / -0.22%
             |             
            
                22.15
             |           
            
                22.30
             |               
            
                22.05
             |                           
            
                22.20
             | 
            
                22.21
             |                     
            
                16.41
             |                                 
            
                1,082,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2021
             | 
            
                -0.15 / -0.67%
             |             
            
                22.40
             |           
            
                22.50
             |               
            
                22.25
             |                           
            
                22.25
             | 
            
                22.34
             |                     
            
                16.45
             |                                 
            
                222,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2021
             | 
            
                +0.05 / +0.22%
             |             
            
                22.35
             |           
            
                22.40
             |               
            
                22.25
             |                           
            
                22.40
             | 
            
                22.31
             |                     
            
                16.56
             |                                 
            
                234,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2021
             | 
            
                -0.15 / -0.67%
             |             
            
                22.50
             |           
            
                22.55
             |               
            
                22.35
             |                           
            
                22.35
             | 
            
                22.44
             |                     
            
                16.52
             |                                 
            
                359,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2021
             | 
            
                -0.10 / -0.44%
             |             
            
                22.90
             |           
            
                22.90
             |               
            
                22.40
             |                           
            
                22.50
             | 
            
                22.61
             |                     
            
                16.63
             |                                 
            
                285,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2021
             | 
            
                0.00 / 0.00%
             |             
            
                22.55
             |           
            
                22.70
             |               
            
                22.45
             |                           
            
                22.60
             | 
            
                22.58
             |                     
            
                16.71
             |                                 
            
                614,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2021
             | 
            
                +0.40 / +1.80%
             |             
            
                22.10
             |           
            
                22.60
             |               
            
                22.00
             |                           
            
                22.60
             | 
            
                22.20
             |                     
            
                16.71
             |                                 
            
                1,011,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2021
             | 
            
                -0.05 / -0.22%
             |             
            
                22.25
             |           
            
                22.25
             |               
            
                22.00
             |                           
            
                22.20
             | 
            
                22.25
             |                     
            
                16.41
             |                                 
            
                453,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2021
             | 
            
                +0.05 / +0.23%
             |             
            
                22.20
             |           
            
                22.35
             |               
            
                22.05
             |                           
            
                22.25
             | 
            
                22.20
             |                     
            
                16.45
             |                                 
            
                363,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2021
             | 
            
                +0.20 / +0.91%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.05
             |                           
            
                22.20
             | 
            
                22.13
             |                     
            
                16.41
             |                                 
            
                497,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2021
             | 
            
                -0.35 / -1.57%
             |             
            
                22.10
             |           
            
                22.30
             |               
            
                21.50
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                16.27
             |                                 
            
                329,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2021
             | 
            
                +0.25 / +1.13%
             |             
            
                22.20
             |           
            
                22.40
             |               
            
                22.20
             |                           
            
                22.35
             | 
            
                22.32
             |                     
            
                16.52
             |                                 
            
                585,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |