| 
                 
                    Closing price on 10/28/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    80.30 | 
                 
                
                    | High | 
                    80.50 | 
                 
                
                    | Low | 
                    79.50 | 
                     
                
                    | Volume | 
                    28,392 | 
                                 
                
                    | Split-adjusted Price | 
                    22.97 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/28/2016
             | 
            
                +0.70 / +0.88%
             |             
            
                80.30
             |           
            
                80.50
             |               
            
                79.50
             |                           
            
                80.50
             | 
            
                79.78
             |                     
            
                22.97
             |                                 
            
                28,392
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2016
             | 
            
                +1.40 / +1.79%
             |             
            
                79.00
             |           
            
                79.90
             |               
            
                78.40
             |                           
            
                79.80
             | 
            
                79.20
             |                     
            
                22.77
             |                                 
            
                10,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2016
             | 
            
                -0.60 / -0.76%
             |             
            
                79.00
             |           
            
                80.00
             |               
            
                76.10
             |                           
            
                78.40
             | 
            
                77.99
             |                     
            
                22.37
             |                                 
            
                20,598
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2016
             | 
            
                -0.80 / -1.00%
             |             
            
                81.00
             |           
            
                83.80
             |               
            
                78.50
             |                           
            
                79.00
             | 
            
                80.16
             |                     
            
                22.54
             |                                 
            
                47,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2016
             | 
            
                -2.70 / -3.27%
             |             
            
                81.60
             |           
            
                82.50
             |               
            
                79.80
             |                           
            
                79.80
             | 
            
                81.19
             |                     
            
                22.77
             |                                 
            
                60,047
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2016
             | 
            
                -0.60 / -0.72%
             |             
            
                83.10
             |           
            
                84.00
             |               
            
                81.10
             |                           
            
                82.50
             | 
            
                82.27
             |                     
            
                23.54
             |                                 
            
                33,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2016
             | 
            
                -1.70 / -2.00%
             |             
            
                85.90
             |           
            
                85.90
             |               
            
                83.00
             |                           
            
                83.10
             | 
            
                83.87
             |                     
            
                23.71
             |                                 
            
                37,128
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2016
             | 
            
                +0.80 / +0.95%
             |             
            
                84.00
             |           
            
                85.00
             |               
            
                84.00
             |                           
            
                84.80
             | 
            
                84.66
             |                     
            
                24.19
             |                                 
            
                21,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2016
             | 
            
                +0.10 / +0.12%
             |             
            
                84.70
             |           
            
                84.70
             |               
            
                83.50
             |                           
            
                84.00
             | 
            
                83.71
             |                     
            
                23.97
             |                                 
            
                9,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2016
             | 
            
                +0.50 / +0.60%
             |             
            
                84.90
             |           
            
                84.90
             |               
            
                83.50
             |                           
            
                83.90
             | 
            
                83.55
             |                     
            
                23.94
             |                                 
            
                15,944
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2016
             | 
            
                +0.40 / +0.48%
             |             
            
                83.00
             |           
            
                85.00
             |               
            
                83.00
             |                           
            
                83.40
             | 
            
                83.82
             |                     
            
                23.79
             |                                 
            
                594,958
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2016
             | 
            
                +0.90 / +1.10%
             |             
            
                82.10
             |           
            
                83.50
             |               
            
                81.00
             |                           
            
                83.00
             | 
            
                82.43
             |                     
            
                23.68
             |                                 
            
                31,829
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2016
             | 
            
                -0.90 / -1.08%
             |             
            
                83.00
             |           
            
                84.80
             |               
            
                82.00
             |                           
            
                82.10
             | 
            
                83.01
             |                     
            
                23.42
             |                                 
            
                22,645
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2016
             | 
            
                +0.60 / +0.73%
             |             
            
                81.10
             |           
            
                83.00
             |               
            
                80.00
             |                           
            
                83.00
             | 
            
                81.20
             |                     
            
                23.68
             |                                 
            
                79,652
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2016
             | 
            
                -3.20 / -3.74%
             |             
            
                85.80
             |           
            
                85.80
             |               
            
                82.00
             |                           
            
                82.40
             | 
            
                84.22
             |                     
            
                23.51
             |                                 
            
                561,520
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2016
             | 
            
                -2.20 / -2.51%
             |             
            
                88.00
             |           
            
                88.00
             |               
            
                84.20
             |                           
            
                85.60
             | 
            
                85.53
             |                     
            
                24.42
             |                                 
            
                112,373
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2016
             | 
            
                +1.40 / +1.62%
             |             
            
                86.40
             |           
            
                88.80
             |               
            
                86.40
             |                           
            
                87.80
             | 
            
                87.04
             |                     
            
                25.05
             |                                 
            
                540,502
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2016
             | 
            
                -0.10 / -0.12%
             |             
            
                86.00
             |           
            
                87.00
             |               
            
                85.90
             |                           
            
                86.40
             | 
            
                86.33
             |                     
            
                24.65
             |                                 
            
                81,878
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2016
             | 
            
                -0.90 / -1.03%
             |             
            
                87.60
             |           
            
                90.00
             |               
            
                86.00
             |                           
            
                86.50
             | 
            
                88.78
             |                     
            
                24.68
             |                                 
            
                631,435
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2016
             | 
            
                +1.40 / +1.63%
             |             
            
                89.80
             |           
            
                89.80
             |               
            
                85.70
             |                           
            
                87.40
             | 
            
                87.39
             |                     
            
                24.94
             |                                 
            
                50,822
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2016
             | 
            
                +2.00 / +2.38%
             |             
            
                84.10
             |           
            
                86.40
             |               
            
                84.10
             |                           
            
                86.00
             | 
            
                85.61
             |                     
            
                24.54
             |                                 
            
                649,580
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2016
             | 
            
                +2.00 / +2.44%
             |             
            
                82.00
             |           
            
                87.00
             |               
            
                82.00
             |                           
            
                84.00
             | 
            
                83.84
             |                     
            
                23.97
             |                                 
            
                165,177
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2016
             | 
            
                -0.40 / -0.49%
             |             
            
                82.50
             |           
            
                82.50
             |               
            
                81.30
             |                           
            
                82.00
             | 
            
                81.65
             |                     
            
                23.40
             |                                 
            
                94,389
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2016
             | 
            
                +0.90 / +1.10%
             |             
            
                81.00
             |           
            
                82.50
             |               
            
                81.00
             |                           
            
                82.40
             | 
            
                81.73
             |                     
            
                23.51
             |                                 
            
                57,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2016
             | 
            
                +0.50 / +0.62%
             |             
            
                80.50
             |           
            
                82.50
             |               
            
                80.50
             |                           
            
                81.50
             | 
            
                81.58
             |                     
            
                23.25
             |                                 
            
                37,131
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2016
             | 
            
                -1.00 / -1.22%
             |             
            
                81.80
             |           
            
                82.00
             |               
            
                81.00
             |                           
            
                81.00
             | 
            
                82.00
             |                     
            
                23.11
             |                                 
            
                74,552
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2016
             | 
            
                -0.80 / -0.97%
             |             
            
                83.30
             |           
            
                84.00
             |               
            
                82.00
             |                           
            
                82.00
             | 
            
                83.03
             |                     
            
                23.40
             |                                 
            
                39,422
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2016
             | 
            
                +0.80 / +0.98%
             |             
            
                81.50
             |           
            
                83.00
             |               
            
                81.50
             |                           
            
                82.80
             | 
            
                82.42
             |                     
            
                23.62
             |                                 
            
                96,266
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2016
             | 
            
                +1.20 / +1.49%
             |             
            
                81.00
             |           
            
                83.30
             |               
            
                80.00
             |                           
            
                82.00
             | 
            
                82.06
             |                     
            
                23.40
             |                                 
            
                159,785
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2016
             | 
            
                +2.60 / +3.32%
             |             
            
                78.30
             |           
            
                80.80
             |               
            
                78.20
             |                           
            
                80.80
             | 
            
                79.05
             |                     
            
                23.05
             |                                 
            
                93,769
             |  
            
                 
             |                                                              
             
    
         
    
    
 |