| 
                 
                    Closing price on 12/14/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    76.70 | 
                 
                
                    | High | 
                    78.20 | 
                 
                
                    | Low | 
                    76.70 | 
                     
                
                    | Volume | 
                    14,428 | 
                                 
                
                    | Split-adjusted Price | 
                    22.69 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/14/2016
             | 
            
                +1.00 / +1.30%
             |             
            
                76.70
             |           
            
                78.20
             |               
            
                76.70
             |                           
            
                78.00
             | 
            
                77.06
             |                     
            
                22.69
             |                                 
            
                14,428
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2016
             | 
            
                -0.60 / -0.77%
             |             
            
                76.60
             |           
            
                78.70
             |               
            
                76.60
             |                           
            
                77.00
             | 
            
                76.73
             |                     
            
                22.39
             |                                 
            
                2,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2016
             | 
            
                -0.10 / -0.13%
             |             
            
                77.20
             |           
            
                78.30
             |               
            
                77.10
             |                           
            
                77.60
             | 
            
                77.17
             |                     
            
                22.57
             |                                 
            
                10,633
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2016
             | 
            
                0.00 / 0.00%
             |             
            
                77.70
             |           
            
                77.90
             |               
            
                76.60
             |                           
            
                77.70
             | 
            
                76.80
             |                     
            
                22.60
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2016
             | 
            
                +0.70 / +0.91%
             |             
            
                76.10
             |           
            
                77.90
             |               
            
                76.10
             |                           
            
                77.70
             | 
            
                77.17
             |                     
            
                22.60
             |                                 
            
                9,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2016
             | 
            
                +0.40 / +0.52%
             |             
            
                76.20
             |           
            
                78.80
             |               
            
                76.00
             |                           
            
                77.00
             | 
            
                76.06
             |                     
            
                22.39
             |                                 
            
                17,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2016
             | 
            
                -0.60 / -0.78%
             |             
            
                77.20
             |           
            
                77.80
             |               
            
                76.60
             |                           
            
                76.60
             | 
            
                77.13
             |                     
            
                22.28
             |                                 
            
                23,820
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2016
             | 
            
                -0.10 / -0.13%
             |             
            
                79.00
             |           
            
                79.20
             |               
            
                77.00
             |                           
            
                77.20
             | 
            
                77.77
             |                     
            
                22.45
             |                                 
            
                33,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2016
             | 
            
                +1.20 / +1.55%
             |             
            
                77.60
             |           
            
                79.40
             |               
            
                77.40
             |                           
            
                78.80
             | 
            
                77.74
             |                     
            
                22.48
             |                                 
            
                59,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2016
             | 
            
                -0.40 / -0.51%
             |             
            
                78.40
             |           
            
                78.50
             |               
            
                77.60
             |                           
            
                77.60
             | 
            
                77.99
             |                     
            
                22.14
             |                                 
            
                74,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2016
             | 
            
                +1.00 / +1.30%
             |             
            
                77.00
             |           
            
                79.10
             |               
            
                76.70
             |                           
            
                78.00
             | 
            
                77.09
             |                     
            
                22.25
             |                                 
            
                388,464
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2016
             | 
            
                +0.70 / +0.92%
             |             
            
                75.00
             |           
            
                80.00
             |               
            
                75.00
             |                           
            
                77.00
             | 
            
                77.73
             |                     
            
                21.97
             |                                 
            
                14,949
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2016
             | 
            
                -4.20 / -5.22%
             |             
            
                80.20
             |           
            
                80.20
             |               
            
                72.50
             |                           
            
                76.30
             | 
            
                77.30
             |                     
            
                21.77
             |                                 
            
                64,774
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2016
             | 
            
                +0.10 / +0.12%
             |             
            
                80.40
             |           
            
                81.80
             |               
            
                80.40
             |                           
            
                80.50
             | 
            
                80.58
             |                     
            
                22.97
             |                                 
            
                24,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2016
             | 
            
                -1.00 / -1.23%
             |             
            
                81.50
             |           
            
                81.50
             |               
            
                80.40
             |                           
            
                80.40
             | 
            
                80.53
             |                     
            
                22.94
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2016
             | 
            
                +0.80 / +0.99%
             |             
            
                80.30
             |           
            
                81.40
             |               
            
                80.10
             |                           
            
                81.40
             | 
            
                80.24
             |                     
            
                23.22
             |                                 
            
                26,134
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                80.50
             |           
            
                81.90
             |               
            
                80.50
             |                           
            
                80.60
             | 
            
                80.79
             |                     
            
                23.00
             |                                 
            
                32,920
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2016
             | 
            
                -0.50 / -0.62%
             |             
            
                82.00
             |           
            
                82.30
             |               
            
                80.60
             |                           
            
                80.60
             | 
            
                81.42
             |                     
            
                23.00
             |                                 
            
                18,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2016
             | 
            
                0.00 / 0.00%
             |             
            
                81.10
             |           
            
                82.40
             |               
            
                81.00
             |                           
            
                81.10
             | 
            
                81.53
             |                     
            
                23.14
             |                                 
            
                16,980
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2016
             | 
            
                -0.40 / -0.49%
             |             
            
                81.40
             |           
            
                82.00
             |               
            
                80.40
             |                           
            
                81.10
             | 
            
                81.50
             |                     
            
                23.14
             |                                 
            
                14,534
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2016
             | 
            
                -0.50 / -0.61%
             |             
            
                82.00
             |           
            
                82.70
             |               
            
                81.50
             |                           
            
                81.50
             | 
            
                82.05
             |                     
            
                23.25
             |                                 
            
                37,831
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2016
             | 
            
                +2.00 / +2.50%
             |             
            
                80.00
             |           
            
                83.00
             |               
            
                80.00
             |                           
            
                82.00
             | 
            
                82.18
             |                     
            
                23.40
             |                                 
            
                79,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2016
             | 
            
                +0.10 / +0.13%
             |             
            
                79.90
             |           
            
                80.50
             |               
            
                79.80
             |                           
            
                80.00
             | 
            
                79.90
             |                     
            
                22.82
             |                                 
            
                12,468
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2016
             | 
            
                0.00 / 0.00%
             |             
            
                79.00
             |           
            
                80.90
             |               
            
                79.00
             |                           
            
                79.90
             | 
            
                79.38
             |                     
            
                22.80
             |                                 
            
                4,828
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2016
             | 
            
                +2.80 / +3.63%
             |             
            
                78.40
             |           
            
                79.90
             |               
            
                78.00
             |                           
            
                79.90
             | 
            
                78.57
             |                     
            
                22.80
             |                                 
            
                32,436
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2016
             | 
            
                -0.80 / -1.03%
             |             
            
                78.10
             |           
            
                78.10
             |               
            
                76.00
             |                           
            
                77.10
             | 
            
                77.12
             |                     
            
                22.00
             |                                 
            
                68,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2016
             | 
            
                +0.20 / +0.26%
             |             
            
                78.80
             |           
            
                78.80
             |               
            
                77.70
             |                           
            
                77.90
             | 
            
                77.95
             |                     
            
                22.23
             |                                 
            
                12,655
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2016
             | 
            
                +0.70 / +0.91%
             |             
            
                77.20
             |           
            
                78.50
             |               
            
                77.20
             |                           
            
                77.70
             | 
            
                77.52
             |                     
            
                22.17
             |                                 
            
                19,919
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                77.00
             |           
            
                78.80
             |               
            
                77.00
             |                           
            
                77.00
             | 
            
                77.41
             |                     
            
                21.97
             |                                 
            
                19,663
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2016
             | 
            
                -1.40 / -1.79%
             |             
            
                78.40
             |           
            
                78.40
             |               
            
                75.00
             |                           
            
                77.00
             | 
            
                77.25
             |                     
            
                21.97
             |                                 
            
                39,813
             |  
            
                 
             |                                                              
             
    
         
    
    
 |