| 
                 
                    Closing price on 5/25/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    52.00 | 
                 
                
                    | High | 
                    52.00 | 
                 
                
                    | Low | 
                    51.00 | 
                     
                
                    | Volume | 
                    4,700 | 
                                 
                
                    | Split-adjusted Price | 
                    18.35 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/25/2018
             | 
            
                -0.20 / -0.38%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                51.00
             |                           
            
                51.90
             | 
            
                51.51
             |                     
            
                18.35
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2018
             | 
            
                +0.10 / +0.19%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                52.10
             |                           
            
                52.10
             | 
            
                52.25
             |                     
            
                18.42
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2018
             | 
            
                -0.80 / -1.52%
             |             
            
                52.50
             |           
            
                52.50
             |               
            
                51.00
             |                           
            
                52.00
             | 
            
                51.47
             |                     
            
                18.38
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2018
             | 
            
                -0.50 / -0.94%
             |             
            
                53.50
             |           
            
                54.00
             |               
            
                51.00
             |                           
            
                52.80
             | 
            
                52.76
             |                     
            
                18.67
             |                                 
            
                10,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2018
             | 
            
                -0.70 / -1.30%
             |             
            
                53.20
             |           
            
                53.60
             |               
            
                53.20
             |                           
            
                53.30
             | 
            
                53.41
             |                     
            
                18.84
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2018
             | 
            
                +0.50 / +0.93%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                53.30
             |                           
            
                54.00
             | 
            
                53.57
             |                     
            
                19.09
             |                                 
            
                4,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2018
             | 
            
                -0.50 / -0.93%
             |             
            
                53.80
             |           
            
                53.80
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.54
             |                     
            
                18.91
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2018
             | 
            
                0.00 / 0.00%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                54.06
             |                     
            
                19.09
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2018
             | 
            
                +1.00 / +1.89%
             |             
            
                54.50
             |           
            
                54.50
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                54.04
             |                     
            
                19.09
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                52.70
             |                           
            
                53.00
             | 
            
                52.98
             |                     
            
                18.74
             |                                 
            
                21,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2018
             | 
            
                -1.00 / -1.85%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                52.60
             |                           
            
                53.00
             | 
            
                52.97
             |                     
            
                18.74
             |                                 
            
                19,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2018
             | 
            
                -0.50 / -0.92%
             |             
            
                54.10
             |           
            
                54.20
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                54.04
             |                     
            
                19.09
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2018
             | 
            
                -1.40 / -2.50%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                52.20
             |                           
            
                54.50
             | 
            
                54.06
             |                     
            
                19.27
             |                                 
            
                11,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2018
             | 
            
                -1.10 / -1.93%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                55.90
             |                           
            
                55.90
             | 
            
                56.26
             |                     
            
                19.76
             |                                 
            
                32,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2018
             | 
            
                +0.30 / +0.53%
             |             
            
                56.70
             |           
            
                57.00
             |               
            
                56.00
             |                           
            
                57.00
             | 
            
                56.25
             |                     
            
                20.15
             |                                 
            
                10,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2018
             | 
            
                +0.60 / +1.07%
             |             
            
                56.40
             |           
            
                56.70
             |               
            
                56.40
             |                           
            
                56.70
             | 
            
                56.50
             |                     
            
                20.05
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2018
             | 
            
                -0.50 / -0.88%
             |             
            
                56.60
             |           
            
                56.60
             |               
            
                56.00
             |                           
            
                56.10
             | 
            
                56.43
             |                     
            
                19.83
             |                                 
            
                21,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2018
             | 
            
                -0.40 / -0.70%
             |             
            
                56.60
             |           
            
                57.50
             |               
            
                56.60
             |                           
            
                56.60
             | 
            
                56.87
             |                     
            
                20.01
             |                                 
            
                13,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2018
             | 
            
                +1.00 / +1.79%
             |             
            
                56.00
             |           
            
                57.00
             |               
            
                55.90
             |                           
            
                57.00
             | 
            
                56.19
             |                     
            
                20.15
             |                                 
            
                37,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2018
             | 
            
                +1.00 / +1.82%
             |             
            
                55.00
             |           
            
                56.80
             |               
            
                55.00
             |                           
            
                56.00
             | 
            
                55.86
             |                     
            
                19.80
             |                                 
            
                19,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2018
             | 
            
                0.00 / 0.00%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                54.70
             |                           
            
                55.00
             | 
            
                55.14
             |                     
            
                19.45
             |                                 
            
                56,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2018
             | 
            
                -1.30 / -2.31%
             |             
            
                56.40
             |           
            
                56.40
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                56.23
             |                     
            
                19.45
             |                                 
            
                46,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2018
             | 
            
                +0.50 / +0.90%
             |             
            
                56.00
             |           
            
                56.50
             |               
            
                56.00
             |                           
            
                56.30
             | 
            
                56.04
             |                     
            
                19.90
             |                                 
            
                22,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2018
             | 
            
                -0.20 / -0.36%
             |             
            
                56.00
             |           
            
                57.00
             |               
            
                55.60
             |                           
            
                55.80
             | 
            
                55.88
             |                     
            
                19.73
             |                                 
            
                70,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2018
             | 
            
                -1.60 / -2.78%
             |             
            
                56.60
             |           
            
                56.70
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.42
             |                     
            
                19.80
             |                                 
            
                11,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2018
             | 
            
                +1.10 / +1.95%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                55.80
             |                           
            
                57.60
             | 
            
                56.37
             |                     
            
                20.36
             |                                 
            
                14,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2018
             | 
            
                -1.90 / -3.25%
             |             
            
                58.40
             |           
            
                58.40
             |               
            
                55.00
             |                           
            
                56.50
             | 
            
                57.48
             |                     
            
                19.98
             |                                 
            
                48,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2018
             | 
            
                -1.60 / -2.67%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                58.40
             |                           
            
                58.40
             | 
            
                59.19
             |                     
            
                20.65
             |                                 
            
                15,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2018
             | 
            
                -0.20 / -0.33%
             |             
            
                60.90
             |           
            
                60.90
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.18
             |                     
            
                21.21
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2018
             | 
            
                -0.80 / -1.31%
             |             
            
                62.40
             |           
            
                62.40
             |               
            
                60.20
             |                           
            
                60.20
             | 
            
                60.57
             |                     
            
                21.28
             |                                 
            
                9,200
             |  
            
                 
             |                                                              
             
    
         
    
    
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