| 
                 
                    Closing price on 10/26/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    73.00 | 
                 
                
                    | High | 
                    77.00 | 
                 
                
                    | Low | 
                    70.10 | 
                     
                
                    | Volume | 
                    31,820 | 
                                 
                
                    | Split-adjusted Price | 
                    27.22 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/26/2017
             | 
            
                +3.60 / +4.90%
             |             
            
                73.00
             |           
            
                77.00
             |               
            
                70.10
             |                           
            
                77.00
             | 
            
                73.17
             |                     
            
                27.22
             |                                 
            
                31,820
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2017
             | 
            
                -1.60 / -2.13%
             |             
            
                75.00
             |           
            
                75.00
             |               
            
                73.00
             |                           
            
                73.40
             | 
            
                73.79
             |                     
            
                25.95
             |                                 
            
                62,257
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2017
             | 
            
                -1.00 / -1.32%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                73.70
             |                           
            
                75.00
             | 
            
                74.54
             |                     
            
                26.52
             |                                 
            
                46,720
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                76.00
             |           
            
                79.00
             |               
            
                74.60
             |                           
            
                76.00
             | 
            
                75.86
             |                     
            
                26.87
             |                                 
            
                19,372
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2017
             | 
            
                +3.00 / +4.11%
             |             
            
                78.50
             |           
            
                80.00
             |               
            
                74.00
             |                           
            
                76.00
             | 
            
                75.07
             |                     
            
                26.87
             |                                 
            
                61,169
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2017
             | 
            
                -0.30 / -0.41%
             |             
            
                73.20
             |           
            
                79.00
             |               
            
                72.00
             |                           
            
                73.00
             | 
            
                72.90
             |                     
            
                25.81
             |                                 
            
                36,285
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2017
             | 
            
                -0.70 / -0.95%
             |             
            
                74.00
             |           
            
                74.10
             |               
            
                71.90
             |                           
            
                73.30
             | 
            
                72.07
             |                     
            
                25.92
             |                                 
            
                4,389,875
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2017
             | 
            
                +2.70 / +3.79%
             |             
            
                77.80
             |           
            
                77.80
             |               
            
                72.50
             |                           
            
                74.00
             | 
            
                73.83
             |                     
            
                26.16
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2017
             | 
            
                -0.50 / -0.70%
             |             
            
                71.30
             |           
            
                72.00
             |               
            
                71.20
             |                           
            
                71.30
             | 
            
                71.82
             |                     
            
                25.21
             |                                 
            
                16,892
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2017
             | 
            
                -0.10 / -0.14%
             |             
            
                71.90
             |           
            
                72.50
             |               
            
                70.10
             |                           
            
                71.80
             | 
            
                71.50
             |                     
            
                25.38
             |                                 
            
                17,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2017
             | 
            
                +0.10 / +0.14%
             |             
            
                71.50
             |           
            
                72.00
             |               
            
                70.80
             |                           
            
                71.90
             | 
            
                71.22
             |                     
            
                25.42
             |                                 
            
                9,051,951
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2017
             | 
            
                +0.30 / +0.42%
             |             
            
                72.00
             |           
            
                72.00
             |               
            
                71.50
             |                           
            
                71.80
             | 
            
                71.84
             |                     
            
                25.38
             |                                 
            
                12,955
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2017
             | 
            
                -0.30 / -0.42%
             |             
            
                69.10
             |           
            
                72.00
             |               
            
                69.10
             |                           
            
                71.50
             | 
            
                71.39
             |                     
            
                25.28
             |                                 
            
                27,310
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2017
             | 
            
                -0.20 / -0.28%
             |             
            
                72.00
             |           
            
                72.20
             |               
            
                71.10
             |                           
            
                71.80
             | 
            
                71.92
             |                     
            
                25.38
             |                                 
            
                5,359,081
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                72.30
             |           
            
                72.30
             |               
            
                71.90
             |                           
            
                72.00
             | 
            
                71.96
             |                     
            
                25.46
             |                                 
            
                20,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2017
             | 
            
                -0.40 / -0.55%
             |             
            
                72.20
             |           
            
                72.40
             |               
            
                70.10
             |                           
            
                72.00
             | 
            
                71.84
             |                     
            
                25.46
             |                                 
            
                139,118
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2017
             | 
            
                +0.40 / +0.56%
             |             
            
                72.20
             |           
            
                72.40
             |               
            
                71.90
             |                           
            
                72.40
             | 
            
                72.22
             |                     
            
                25.60
             |                                 
            
                72,820
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2017
             | 
            
                -0.50 / -0.69%
             |             
            
                72.50
             |           
            
                72.50
             |               
            
                71.30
             |                           
            
                72.00
             | 
            
                71.99
             |                     
            
                25.46
             |                                 
            
                36,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2017
             | 
            
                +1.00 / +1.40%
             |             
            
                70.00
             |           
            
                73.40
             |               
            
                69.10
             |                           
            
                72.50
             | 
            
                72.60
             |                     
            
                25.63
             |                                 
            
                98,112
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                72.00
             |           
            
                72.00
             |               
            
                70.10
             |                           
            
                71.50
             | 
            
                70.89
             |                     
            
                25.28
             |                                 
            
                43,252
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2017
             | 
            
                +0.30 / +0.42%
             |             
            
                72.00
             |           
            
                72.20
             |               
            
                71.20
             |                           
            
                71.50
             | 
            
                71.89
             |                     
            
                25.28
             |                                 
            
                1,886,353
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2017
             | 
            
                +1.90 / +2.74%
             |             
            
                69.70
             |           
            
                73.50
             |               
            
                69.70
             |                           
            
                71.20
             | 
            
                71.74
             |                     
            
                25.17
             |                                 
            
                3,269,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2017
             | 
            
                +0.70 / +1.02%
             |             
            
                69.90
             |           
            
                69.90
             |               
            
                68.80
             |                           
            
                69.30
             | 
            
                69.25
             |                     
            
                24.50
             |                                 
            
                899,776
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2017
             | 
            
                -0.40 / -0.58%
             |             
            
                70.00
             |           
            
                70.10
             |               
            
                68.60
             |                           
            
                68.60
             | 
            
                69.29
             |                     
            
                24.25
             |                                 
            
                1,104,821
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                69.90
             |           
            
                69.90
             |               
            
                67.00
             |                           
            
                69.00
             | 
            
                68.83
             |                     
            
                24.39
             |                                 
            
                14,666
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2017
             | 
            
                +0.50 / +0.73%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                69.43
             |                     
            
                24.39
             |                                 
            
                24,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2017
             | 
            
                +1.30 / +1.93%
             |             
            
                69.40
             |           
            
                69.40
             |               
            
                67.60
             |                           
            
                68.50
             | 
            
                67.73
             |                     
            
                24.22
             |                                 
            
                7,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2017
             | 
            
                -1.80 / -2.61%
             |             
            
                68.00
             |           
            
                68.00
             |               
            
                66.50
             |                           
            
                67.20
             | 
            
                67.11
             |                     
            
                23.76
             |                                 
            
                13,363
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2017
             | 
            
                +0.50 / +0.73%
             |             
            
                70.00
             |           
            
                70.00
             |               
            
                68.80
             |                           
            
                69.00
             | 
            
                69.20
             |                     
            
                24.39
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2017
             | 
            
                0.00 / 0.00%
             |             
            
                68.50
             |           
            
                68.50
             |               
            
                68.50
             |                           
            
                68.50
             | 
            
                68.50
             |                     
            
                24.22
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |