| 
                 
                    Closing price on 3/24/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    22.30 | 
                 
                
                    | High | 
                    22.60 | 
                 
                
                    | Low | 
                    22.10 | 
                     
                
                    | Volume | 
                    648,000 | 
                                 
                
                    | Split-adjusted Price | 
                    16.34 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NT2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/24/2021
             | 
            
                -0.40 / -1.78%
             |             
            
                22.30
             |           
            
                22.60
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.50
             |                     
            
                16.34
             |                                 
            
                648,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2021
             | 
            
                -0.35 / -1.53%
             |             
            
                22.85
             |           
            
                22.85
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.63
             |                     
            
                16.63
             |                                 
            
                638,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2021
             | 
            
                +0.15 / +0.66%
             |             
            
                22.70
             |           
            
                22.95
             |               
            
                22.70
             |                           
            
                22.85
             | 
            
                22.84
             |                     
            
                16.89
             |                                 
            
                347,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2021
             | 
            
                +0.20 / +0.89%
             |             
            
                22.60
             |           
            
                22.85
             |               
            
                22.60
             |                           
            
                22.70
             | 
            
                22.73
             |                     
            
                16.78
             |                                 
            
                1,142,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2021
             | 
            
                -0.25 / -1.10%
             |             
            
                22.80
             |           
            
                22.90
             |               
            
                22.40
             |                           
            
                22.50
             | 
            
                22.56
             |                     
            
                16.63
             |                                 
            
                1,879,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2021
             | 
            
                -0.25 / -1.09%
             |             
            
                22.95
             |           
            
                23.00
             |               
            
                22.70
             |                           
            
                22.75
             | 
            
                22.87
             |                     
            
                16.82
             |                                 
            
                1,017,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2021
             | 
            
                0.00 / 0.00%
             |             
            
                23.00
             |           
            
                23.15
             |               
            
                22.85
             |                           
            
                23.00
             | 
            
                22.98
             |                     
            
                17.00
             |                                 
            
                373,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2021
             | 
            
                -0.20 / -0.86%
             |             
            
                23.20
             |           
            
                23.20
             |               
            
                22.95
             |                           
            
                23.00
             | 
            
                23.07
             |                     
            
                17.00
             |                                 
            
                823,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2021
             | 
            
                -0.25 / -1.07%
             |             
            
                23.50
             |           
            
                23.55
             |               
            
                23.15
             |                           
            
                23.20
             | 
            
                23.35
             |                     
            
                17.15
             |                                 
            
                884,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2021
             | 
            
                +0.45 / +1.96%
             |             
            
                23.50
             |           
            
                23.60
             |               
            
                23.20
             |                           
            
                23.45
             | 
            
                23.45
             |                     
            
                17.34
             |                                 
            
                1,399,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2021
             | 
            
                +0.45 / +2.00%
             |             
            
                22.65
             |           
            
                23.25
             |               
            
                22.65
             |                           
            
                23.00
             | 
            
                23.02
             |                     
            
                17.00
             |                                 
            
                1,780,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2021
             | 
            
                -0.05 / -0.22%
             |             
            
                22.60
             |           
            
                22.65
             |               
            
                22.40
             |                           
            
                22.55
             | 
            
                22.52
             |                     
            
                16.67
             |                                 
            
                1,770,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                22.80
             |           
            
                22.80
             |               
            
                22.50
             |                           
            
                22.60
             | 
            
                22.58
             |                     
            
                16.71
             |                                 
            
                788,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2021
             | 
            
                -0.20 / -0.88%
             |             
            
                22.85
             |           
            
                22.85
             |               
            
                22.50
             |                           
            
                22.60
             | 
            
                22.62
             |                     
            
                16.71
             |                                 
            
                633,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                22.80
             |           
            
                22.90
             |               
            
                22.60
             |                           
            
                22.80
             | 
            
                22.75
             |                     
            
                16.86
             |                                 
            
                623,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2021
             | 
            
                0.00 / 0.00%
             |             
            
                22.80
             |           
            
                22.95
             |               
            
                22.75
             |                           
            
                22.80
             | 
            
                22.84
             |                     
            
                16.86
             |                                 
            
                289,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2021
             | 
            
                -0.30 / -1.30%
             |             
            
                23.20
             |           
            
                23.20
             |               
            
                22.60
             |                           
            
                22.80
             | 
            
                23.10
             |                     
            
                16.86
             |                                 
            
                1,143,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2021
             | 
            
                +0.65 / +2.90%
             |             
            
                22.60
             |           
            
                23.20
             |               
            
                22.60
             |                           
            
                23.10
             | 
            
                22.99
             |                     
            
                17.08
             |                                 
            
                675,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2021
             | 
            
                -0.05 / -0.22%
             |             
            
                22.30
             |           
            
                22.60
             |               
            
                22.25
             |                           
            
                22.45
             | 
            
                22.47
             |                     
            
                16.60
             |                                 
            
                809,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2021
             | 
            
                -0.20 / -0.88%
             |             
            
                22.75
             |           
            
                22.75
             |               
            
                22.45
             |                           
            
                22.50
             | 
            
                22.57
             |                     
            
                16.63
             |                                 
            
                885,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2021
             | 
            
                -0.25 / -1.09%
             |             
            
                22.95
             |           
            
                22.95
             |               
            
                22.65
             |                           
            
                22.70
             | 
            
                22.78
             |                     
            
                16.78
             |                                 
            
                971,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                22.95
             |           
            
                23.10
             |               
            
                22.85
             |                           
            
                22.95
             | 
            
                22.95
             |                     
            
                16.97
             |                                 
            
                721,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2021
             | 
            
                -0.05 / -0.22%
             |             
            
                22.90
             |           
            
                23.35
             |               
            
                22.90
             |                           
            
                22.95
             | 
            
                23.00
             |                     
            
                16.97
             |                                 
            
                522,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2021
             | 
            
                +0.15 / +0.66%
             |             
            
                22.80
             |           
            
                23.00
             |               
            
                22.70
             |                           
            
                23.00
             | 
            
                22.83
             |                     
            
                17.00
             |                                 
            
                617,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2021
             | 
            
                0.00 / 0.00%
             |             
            
                22.70
             |           
            
                23.00
             |               
            
                22.70
             |                           
            
                22.85
             | 
            
                22.87
             |                     
            
                16.89
             |                                 
            
                585,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2021
             | 
            
                +0.25 / +1.11%
             |             
            
                22.50
             |           
            
                23.00
             |               
            
                22.50
             |                           
            
                22.85
             | 
            
                22.80
             |                     
            
                16.89
             |                                 
            
                449,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2021
             | 
            
                +0.10 / +0.44%
             |             
            
                22.50
             |           
            
                22.70
             |               
            
                22.30
             |                           
            
                22.60
             | 
            
                22.47
             |                     
            
                16.71
             |                                 
            
                768,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2021
             | 
            
                -0.55 / -2.39%
             |             
            
                23.05
             |           
            
                23.10
             |               
            
                22.45
             |                           
            
                22.50
             | 
            
                23.05
             |                     
            
                16.63
             |                                 
            
                742,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2021
             | 
            
                +0.15 / +0.66%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                23.00
             |                           
            
                23.05
             | 
            
                23.15
             |                     
            
                17.04
             |                                 
            
                351,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                23.90
             |           
            
                24.05
             |               
            
                23.70
             |                           
            
                23.90
             | 
            
                23.91
             |                     
            
                16.93
             |                                 
            
                550,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |