| 
                 
                    Closing price on 8/17/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    69.50 | 
                 
                
                    | High | 
                    74.50 | 
                 
                
                    | Low | 
                    68.80 | 
                     
                
                    | Volume | 
                    321,716 | 
                                 
                
                    | Split-adjusted Price | 
                    21.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2016
             | 
            
                0.00 / 0.00%
             |             
            
                65.00
             |           
            
                65.30
             |               
            
                65.00
             |                           
            
                65.20
             | 
            
                65.18
             |                     
            
                18.60
             |                                 
            
                287,586
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2016
             | 
            
                +0.20 / +0.31%
             |             
            
                65.80
             |           
            
                65.80
             |               
            
                64.90
             |                           
            
                65.20
             | 
            
                65.12
             |                     
            
                18.60
             |                                 
            
                72,126
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2016
             | 
            
                +0.20 / +0.31%
             |             
            
                64.00
             |           
            
                65.90
             |               
            
                64.00
             |                           
            
                65.00
             | 
            
                65.05
             |                     
            
                18.54
             |                                 
            
                33,581
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2016
             | 
            
                +0.80 / +1.25%
             |             
            
                64.90
             |           
            
                64.90
             |               
            
                63.80
             |                           
            
                64.80
             | 
            
                64.20
             |                     
            
                18.49
             |                                 
            
                36,836
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2016
             | 
            
                +0.20 / +0.31%
             |             
            
                63.80
             |           
            
                65.90
             |               
            
                63.80
             |                           
            
                64.00
             | 
            
                64.56
             |                     
            
                18.26
             |                                 
            
                95,286
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2016
             | 
            
                -0.30 / -0.47%
             |             
            
                64.40
             |           
            
                64.40
             |               
            
                63.00
             |                           
            
                63.80
             | 
            
                63.97
             |                     
            
                18.20
             |                                 
            
                22,120
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2016
             | 
            
                -1.40 / -2.14%
             |             
            
                65.00
             |           
            
                65.30
             |               
            
                63.00
             |                           
            
                64.10
             | 
            
                64.07
             |                     
            
                18.29
             |                                 
            
                103,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2016
             | 
            
                -0.40 / -0.61%
             |             
            
                65.50
             |           
            
                66.60
             |               
            
                65.00
             |                           
            
                65.50
             | 
            
                65.38
             |                     
            
                18.69
             |                                 
            
                81,740
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2016
             | 
            
                +0.80 / +1.23%
             |             
            
                65.00
             |           
            
                66.00
             |               
            
                65.00
             |                           
            
                65.90
             | 
            
                65.36
             |                     
            
                18.80
             |                                 
            
                47,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2016
             | 
            
                +0.10 / +0.15%
             |             
            
                65.00
             |           
            
                66.60
             |               
            
                64.80
             |                           
            
                65.10
             | 
            
                64.95
             |                     
            
                18.57
             |                                 
            
                111,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2016
             | 
            
                +0.20 / +0.31%
             |             
            
                62.10
             |           
            
                65.90
             |               
            
                62.10
             |                           
            
                65.00
             | 
            
                64.92
             |                     
            
                18.54
             |                                 
            
                41,553
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2016
             | 
            
                -0.20 / -0.31%
             |             
            
                65.00
             |           
            
                65.10
             |               
            
                64.00
             |                           
            
                64.80
             | 
            
                64.65
             |                     
            
                18.49
             |                                 
            
                52,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2016
             | 
            
                -0.40 / -0.61%
             |             
            
                65.00
             |           
            
                65.40
             |               
            
                64.60
             |                           
            
                65.00
             | 
            
                64.88
             |                     
            
                18.54
             |                                 
            
                26,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2016
             | 
            
                -0.50 / -0.76%
             |             
            
                66.00
             |           
            
                66.00
             |               
            
                63.50
             |                           
            
                65.40
             | 
            
                65.90
             |                     
            
                18.66
             |                                 
            
                81,402
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2016
             | 
            
                -0.10 / -0.15%
             |             
            
                66.00
             |           
            
                66.80
             |               
            
                65.00
             |                           
            
                65.90
             | 
            
                65.89
             |                     
            
                18.80
             |                                 
            
                53,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2016
             | 
            
                0.00 / 0.00%
             |             
            
                64.60
             |           
            
                66.50
             |               
            
                64.50
             |                           
            
                66.00
             | 
            
                65.14
             |                     
            
                18.83
             |                                 
            
                51,180
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2016
             | 
            
                +1.00 / +1.54%
             |             
            
                63.70
             |           
            
                66.90
             |               
            
                63.70
             |                           
            
                66.00
             | 
            
                65.13
             |                     
            
                18.83
             |                                 
            
                83,128
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2016
             | 
            
                -0.20 / -0.31%
             |             
            
                65.80
             |           
            
                65.90
             |               
            
                64.30
             |                           
            
                65.00
             | 
            
                64.83
             |                     
            
                18.54
             |                                 
            
                31,944
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2016
             | 
            
                -1.70 / -2.54%
             |             
            
                65.00
             |           
            
                67.20
             |               
            
                65.00
             |                           
            
                65.20
             | 
            
                66.29
             |                     
            
                18.60
             |                                 
            
                37,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2016
             | 
            
                +2.40 / +3.72%
             |             
            
                64.00
             |           
            
                68.90
             |               
            
                62.20
             |                           
            
                66.90
             | 
            
                67.04
             |                     
            
                19.09
             |                                 
            
                187,110
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2016
             | 
            
                -1.00 / -1.53%
             |             
            
                65.50
             |           
            
                67.00
             |               
            
                64.00
             |                           
            
                64.50
             | 
            
                65.40
             |                     
            
                18.40
             |                                 
            
                85,294
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2016
             | 
            
                +0.50 / +0.77%
             |             
            
                64.00
             |           
            
                66.00
             |               
            
                63.50
             |                           
            
                65.50
             | 
            
                64.72
             |                     
            
                18.69
             |                                 
            
                93,028
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2016
             | 
            
                -3.50 / -5.11%
             |             
            
                68.80
             |           
            
                69.00
             |               
            
                64.00
             |                           
            
                65.00
             | 
            
                66.90
             |                     
            
                18.54
             |                                 
            
                101,617
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2016
             | 
            
                -3.00 / -4.20%
             |             
            
                71.50
             |           
            
                72.00
             |               
            
                68.10
             |                           
            
                68.50
             | 
            
                69.72
             |                     
            
                19.54
             |                                 
            
                143,106
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2016
             | 
            
                +2.10 / +3.03%
             |             
            
                67.80
             |           
            
                72.00
             |               
            
                66.30
             |                           
            
                71.50
             | 
            
                67.28
             |                     
            
                20.40
             |                                 
            
                230,864
             |  
            
                 
             |                                                              
             
    
         
    
    
 |