| 
                 
                    Closing price on 9/22/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    83.30 | 
                 
                
                    | High | 
                    84.00 | 
                 
                
                    | Low | 
                    82.00 | 
                     
                
                    | Volume | 
                    39,422 | 
                                 
                
                    | Split-adjusted Price | 
                    23.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2016
             | 
            
                -0.80 / -1.01%
             |             
            
                79.10
             |           
            
                80.00
             |               
            
                78.00
             |                           
            
                78.20
             | 
            
                78.64
             |                     
            
                22.31
             |                                 
            
                23,958
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2016
             | 
            
                +0.60 / +0.77%
             |             
            
                79.60
             |           
            
                79.80
             |               
            
                78.20
             |                           
            
                79.00
             | 
            
                78.91
             |                     
            
                22.54
             |                                 
            
                32,263
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2016
             | 
            
                -0.10 / -0.13%
             |             
            
                77.90
             |           
            
                79.50
             |               
            
                77.50
             |                           
            
                78.40
             | 
            
                78.18
             |                     
            
                22.37
             |                                 
            
                20,090
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2016
             | 
            
                +2.40 / +3.15%
             |             
            
                77.80
             |           
            
                78.90
             |               
            
                76.20
             |                           
            
                78.50
             | 
            
                77.47
             |                     
            
                22.40
             |                                 
            
                39,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2016
             | 
            
                -2.90 / -3.67%
             |             
            
                77.00
             |           
            
                77.40
             |               
            
                76.00
             |                           
            
                76.10
             | 
            
                76.71
             |                     
            
                21.71
             |                                 
            
                24,410
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2016
             | 
            
                -1.00 / -1.25%
             |             
            
                79.30
             |           
            
                80.50
             |               
            
                78.00
             |                           
            
                79.00
             | 
            
                79.69
             |                     
            
                22.54
             |                                 
            
                61,581
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2016
             | 
            
                +0.30 / +0.38%
             |             
            
                81.00
             |           
            
                81.00
             |               
            
                79.30
             |                           
            
                80.00
             | 
            
                80.07
             |                     
            
                22.82
             |                                 
            
                67,780
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2016
             | 
            
                +1.60 / +2.05%
             |             
            
                78.10
             |           
            
                80.00
             |               
            
                78.00
             |                           
            
                79.70
             | 
            
                78.10
             |                     
            
                22.74
             |                                 
            
                51,571
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2016
             | 
            
                +1.10 / +1.43%
             |             
            
                78.00
             |           
            
                79.80
             |               
            
                76.50
             |                           
            
                78.10
             | 
            
                78.69
             |                     
            
                22.28
             |                                 
            
                139,010
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2016
             | 
            
                +2.40 / +3.22%
             |             
            
                74.60
             |           
            
                77.90
             |               
            
                74.10
             |                           
            
                77.00
             | 
            
                75.61
             |                     
            
                21.97
             |                                 
            
                88,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2016
             | 
            
                -0.40 / -0.53%
             |             
            
                75.50
             |           
            
                75.50
             |               
            
                74.10
             |                           
            
                74.60
             | 
            
                74.89
             |                     
            
                21.28
             |                                 
            
                45,324
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2016
             | 
            
                +3.20 / +4.46%
             |             
            
                72.20
             |           
            
                75.00
             |               
            
                71.80
             |                           
            
                75.00
             | 
            
                72.95
             |                     
            
                21.40
             |                                 
            
                130,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2016
             | 
            
                +0.70 / +0.98%
             |             
            
                71.00
             |           
            
                72.20
             |               
            
                71.00
             |                           
            
                71.80
             | 
            
                71.60
             |                     
            
                20.49
             |                                 
            
                23,241
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2016
             | 
            
                +0.40 / +0.57%
             |             
            
                72.80
             |           
            
                72.80
             |               
            
                70.50
             |                           
            
                71.10
             | 
            
                71.33
             |                     
            
                20.29
             |                                 
            
                124,386
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2016
             | 
            
                -1.30 / -1.81%
             |             
            
                71.00
             |           
            
                73.50
             |               
            
                70.70
             |                           
            
                70.70
             | 
            
                71.67
             |                     
            
                20.17
             |                                 
            
                84,750
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2016
             | 
            
                -1.00 / -1.37%
             |             
            
                74.50
             |           
            
                74.50
             |               
            
                72.00
             |                           
            
                72.00
             | 
            
                72.61
             |                     
            
                20.54
             |                                 
            
                59,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2016
             | 
            
                +0.30 / +0.41%
             |             
            
                72.70
             |           
            
                74.50
             |               
            
                72.60
             |                           
            
                73.00
             | 
            
                73.43
             |                     
            
                20.83
             |                                 
            
                70,722
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2016
             | 
            
                0.00 / 0.00%
             |             
            
                72.50
             |           
            
                73.40
             |               
            
                71.20
             |                           
            
                72.70
             | 
            
                72.23
             |                     
            
                20.74
             |                                 
            
                54,196
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2016
             | 
            
                -0.60 / -0.82%
             |             
            
                73.10
             |           
            
                73.30
             |               
            
                71.00
             |                           
            
                72.70
             | 
            
                72.19
             |                     
            
                20.74
             |                                 
            
                117,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2016
             | 
            
                +0.10 / +0.14%
             |             
            
                73.20
             |           
            
                75.00
             |               
            
                72.70
             |                           
            
                73.30
             | 
            
                73.20
             |                     
            
                20.91
             |                                 
            
                97,112
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2016
             | 
            
                -1.10 / -1.48%
             |             
            
                74.40
             |           
            
                75.50
             |               
            
                72.50
             |                           
            
                73.20
             | 
            
                74.05
             |                     
            
                20.88
             |                                 
            
                202,821
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2016
             | 
            
                +4.80 / +6.91%
             |             
            
                69.50
             |           
            
                74.50
             |               
            
                68.80
             |                           
            
                74.30
             | 
            
                71.97
             |                     
            
                21.20
             |                                 
            
                321,716
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2016
             | 
            
                +1.50 / +2.21%
             |             
            
                68.00
             |           
            
                69.90
             |               
            
                68.00
             |                           
            
                69.50
             | 
            
                69.33
             |                     
            
                19.83
             |                                 
            
                99,930
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2016
             | 
            
                +0.20 / +0.29%
             |             
            
                67.10
             |           
            
                68.00
             |               
            
                66.90
             |                           
            
                68.00
             | 
            
                67.22
             |                     
            
                19.40
             |                                 
            
                56,525
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2016
             | 
            
                -0.10 / -0.15%
             |             
            
                68.00
             |           
            
                68.00
             |               
            
                66.70
             |                           
            
                67.80
             | 
            
                67.01
             |                     
            
                19.34
             |                                 
            
                50,423
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2016
             | 
            
                +2.70 / +4.14%
             |             
            
                65.40
             |           
            
                68.10
             |               
            
                65.40
             |                           
            
                67.90
             | 
            
                67.38
             |                     
            
                19.37
             |                                 
            
                285,690
             |  
            
                 
             |                                                              
             
    
         
    
    
 |