| 
                 
                    Closing price on 3/31/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    36.30 | 
                 
                
                    | High | 
                    36.50 | 
                 
                
                    | Low | 
                    35.90 | 
                     
                
                    | Volume | 
                    38,500 | 
                                 
                
                    | Split-adjusted Price | 
                    19.72 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/31/2021
             | 
            
                0.00 / 0.00%
             |             
            
                36.30
             |           
            
                36.50
             |               
            
                35.90
             |                           
            
                36.00
             | 
            
                36.16
             |                     
            
                19.72
             |                                 
            
                38,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2021
             | 
            
                -0.30 / -0.83%
             |             
            
                36.50
             |           
            
                36.60
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.21
             |                     
            
                19.72
             |                                 
            
                18,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2021
             | 
            
                +0.30 / +0.83%
             |             
            
                36.30
             |           
            
                36.30
             |               
            
                35.90
             |                           
            
                36.30
             | 
            
                36.14
             |                     
            
                19.88
             |                                 
            
                13,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2021
             | 
            
                +0.30 / +0.84%
             |             
            
                35.70
             |           
            
                36.00
             |               
            
                35.60
             |                           
            
                36.00
             | 
            
                35.68
             |                     
            
                19.72
             |                                 
            
                42,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2021
             | 
            
                -0.20 / -0.56%
             |             
            
                35.90
             |           
            
                35.90
             |               
            
                35.70
             |                           
            
                35.70
             | 
            
                35.79
             |                     
            
                19.56
             |                                 
            
                24,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2021
             | 
            
                -0.30 / -0.83%
             |             
            
                36.00
             |           
            
                36.10
             |               
            
                35.70
             |                           
            
                35.90
             | 
            
                35.84
             |                     
            
                19.67
             |                                 
            
                121,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2021
             | 
            
                -0.10 / -0.28%
             |             
            
                36.30
             |           
            
                36.40
             |               
            
                36.10
             |                           
            
                36.20
             | 
            
                36.19
             |                     
            
                19.83
             |                                 
            
                54,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2021
             | 
            
                -0.10 / -0.27%
             |             
            
                36.40
             |           
            
                36.40
             |               
            
                36.10
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                19.88
             |                                 
            
                38,604
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2021
             | 
            
                +0.10 / +0.28%
             |             
            
                36.30
             |           
            
                36.40
             |               
            
                36.10
             |                           
            
                36.40
             | 
            
                36.22
             |                     
            
                19.94
             |                                 
            
                20,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2021
             | 
            
                +0.10 / +0.28%
             |             
            
                36.30
             |           
            
                36.40
             |               
            
                36.00
             |                           
            
                36.30
             | 
            
                36.19
             |                     
            
                19.88
             |                                 
            
                50,316
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2021
             | 
            
                -0.10 / -0.28%
             |             
            
                36.30
             |           
            
                36.40
             |               
            
                36.00
             |                           
            
                36.20
             | 
            
                36.15
             |                     
            
                19.83
             |                                 
            
                49,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2021
             | 
            
                -0.20 / -0.55%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.20
             |                           
            
                36.30
             | 
            
                36.34
             |                     
            
                19.88
             |                                 
            
                40,736
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2021
             | 
            
                -0.10 / -0.27%
             |             
            
                36.60
             |           
            
                36.80
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.60
             |                     
            
                19.99
             |                                 
            
                56,504
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2021
             | 
            
                -0.40 / -1.08%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.50
             |                           
            
                36.60
             | 
            
                36.72
             |                     
            
                20.05
             |                                 
            
                31,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2021
             | 
            
                +0.30 / +0.82%
             |             
            
                36.70
             |           
            
                37.00
             |               
            
                36.50
             |                           
            
                37.00
             | 
            
                36.84
             |                     
            
                20.27
             |                                 
            
                40,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2021
             | 
            
                -0.40 / -1.08%
             |             
            
                37.10
             |           
            
                37.10
             |               
            
                36.40
             |                           
            
                36.70
             | 
            
                36.68
             |                     
            
                20.10
             |                                 
            
                76,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2021
             | 
            
                -0.20 / -0.54%
             |             
            
                37.30
             |           
            
                37.30
             |               
            
                36.80
             |                           
            
                37.10
             | 
            
                37.08
             |                     
            
                20.32
             |                                 
            
                38,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                37.30
             |           
            
                38.20
             |               
            
                37.30
             |                           
            
                37.30
             | 
            
                37.80
             |                     
            
                20.43
             |                                 
            
                82,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2021
             | 
            
                +1.00 / +2.75%
             |             
            
                36.70
             |           
            
                37.40
             |               
            
                36.40
             |                           
            
                37.30
             | 
            
                37.07
             |                     
            
                20.43
             |                                 
            
                155,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2021
             | 
            
                +0.30 / +0.83%
             |             
            
                36.20
             |           
            
                36.50
             |               
            
                35.80
             |                           
            
                36.30
             | 
            
                36.13
             |                     
            
                19.88
             |                                 
            
                63,744
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2021
             | 
            
                -0.10 / -0.28%
             |             
            
                36.10
             |           
            
                36.10
             |               
            
                35.80
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                19.72
             |                                 
            
                22,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2021
             | 
            
                +0.30 / +0.84%
             |             
            
                36.00
             |           
            
                36.10
             |               
            
                35.70
             |                           
            
                36.10
             | 
            
                35.94
             |                     
            
                19.78
             |                                 
            
                45,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2021
             | 
            
                0.00 / 0.00%
             |             
            
                36.40
             |           
            
                36.40
             |               
            
                35.70
             |                           
            
                35.80
             | 
            
                35.92
             |                     
            
                19.61
             |                                 
            
                31,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                +0.20 / +0.56%
             |             
            
                35.20
             |           
            
                35.80
             |               
            
                35.20
             |                           
            
                35.80
             | 
            
                35.39
             |                     
            
                19.61
             |                                 
            
                13,956
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                -0.30 / -0.84%
             |             
            
                35.90
             |           
            
                35.90
             |               
            
                35.50
             |                           
            
                35.60
             | 
            
                35.61
             |                     
            
                19.50
             |                                 
            
                8,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                -0.30 / -0.83%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                35.70
             |                           
            
                35.90
             | 
            
                36.01
             |                     
            
                19.67
             |                                 
            
                48,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                +0.10 / +0.28%
             |             
            
                36.10
             |           
            
                36.50
             |               
            
                36.10
             |                           
            
                36.20
             | 
            
                36.28
             |                     
            
                19.83
             |                                 
            
                23,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                -0.40 / -1.10%
             |             
            
                36.00
             |           
            
                36.50
             |               
            
                36.00
             |                           
            
                36.10
             | 
            
                36.18
             |                     
            
                19.78
             |                                 
            
                24,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2021
             | 
            
                +0.50 / +1.39%
             |             
            
                35.00
             |           
            
                36.50
             |               
            
                35.00
             |                           
            
                36.50
             | 
            
                36.27
             |                     
            
                19.99
             |                                 
            
                134,186
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2021
             | 
            
                +1.40 / +4.05%
             |             
            
                34.80
             |           
            
                36.30
             |               
            
                34.70
             |                           
            
                36.00
             | 
            
                35.45
             |                     
            
                19.72
             |                                 
            
                56,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |