| 
                 
                    Closing price on 5/11/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    68.10 | 
                 
                
                    | High | 
                    68.50 | 
                 
                
                    | Low | 
                    68.00 | 
                     
                
                    | Volume | 
                    7,107 | 
                                 
                
                    | Split-adjusted Price | 
                    16.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/11/2016
             | 
            
                +0.30 / +0.44%
             |             
            
                68.10
             |           
            
                68.50
             |               
            
                68.00
             |                           
            
                68.40
             | 
            
                68.34
             |                     
            
                16.01
             |                                 
            
                7,107
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2016
             | 
            
                -1.10 / -1.59%
             |             
            
                69.30
             |           
            
                69.30
             |               
            
                68.00
             |                           
            
                68.10
             | 
            
                68.17
             |                     
            
                15.94
             |                                 
            
                22,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2016
             | 
            
                -0.20 / -0.29%
             |             
            
                69.90
             |           
            
                70.90
             |               
            
                68.00
             |                           
            
                69.20
             | 
            
                68.96
             |                     
            
                16.20
             |                                 
            
                20,905
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2016
             | 
            
                0.00 / 0.00%
             |             
            
                70.00
             |           
            
                70.00
             |               
            
                68.50
             |                           
            
                69.40
             | 
            
                69.55
             |                     
            
                16.25
             |                                 
            
                11,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2016
             | 
            
                +1.70 / +2.51%
             |             
            
                69.90
             |           
            
                72.00
             |               
            
                69.00
             |                           
            
                69.40
             | 
            
                70.69
             |                     
            
                16.25
             |                                 
            
                22,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2016
             | 
            
                +0.60 / +0.89%
             |             
            
                68.00
             |           
            
                68.00
             |               
            
                66.70
             |                           
            
                67.70
             | 
            
                67.15
             |                     
            
                15.85
             |                                 
            
                23,879
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2016
             | 
            
                -1.10 / -1.61%
             |             
            
                68.30
             |           
            
                69.00
             |               
            
                66.00
             |                           
            
                67.10
             | 
            
                67.45
             |                     
            
                15.71
             |                                 
            
                22,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2016
             | 
            
                +0.70 / +1.04%
             |             
            
                67.50
             |           
            
                68.30
             |               
            
                65.60
             |                           
            
                68.20
             | 
            
                67.21
             |                     
            
                15.97
             |                                 
            
                8,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2016
             | 
            
                -1.30 / -1.89%
             |             
            
                66.70
             |           
            
                68.20
             |               
            
                66.70
             |                           
            
                67.50
             | 
            
                67.14
             |                     
            
                15.80
             |                                 
            
                25,886
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2016
             | 
            
                -0.20 / -0.29%
             |             
            
                69.00
             |           
            
                69.10
             |               
            
                68.50
             |                           
            
                68.80
             | 
            
                68.77
             |                     
            
                16.11
             |                                 
            
                42,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2016
             | 
            
                -2.90 / -4.03%
             |             
            
                72.00
             |           
            
                72.00
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                70.05
             |                     
            
                16.15
             |                                 
            
                56,243
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2016
             | 
            
                -0.10 / -0.14%
             |             
            
                70.10
             |           
            
                72.00
             |               
            
                70.10
             |                           
            
                71.90
             | 
            
                71.57
             |                     
            
                16.83
             |                                 
            
                12,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2016
             | 
            
                +2.00 / +2.86%
             |             
            
                70.00
             |           
            
                72.00
             |               
            
                69.00
             |                           
            
                72.00
             | 
            
                70.01
             |                     
            
                16.86
             |                                 
            
                45,910
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2016
             | 
            
                -0.60 / -0.85%
             |             
            
                71.00
             |           
            
                71.00
             |               
            
                69.70
             |                           
            
                70.00
             | 
            
                70.40
             |                     
            
                16.39
             |                                 
            
                17,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2016
             | 
            
                -1.30 / -1.81%
             |             
            
                72.00
             |           
            
                72.50
             |               
            
                70.00
             |                           
            
                70.60
             | 
            
                71.48
             |                     
            
                16.53
             |                                 
            
                13,967
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2016
             | 
            
                -0.10 / -0.14%
             |             
            
                69.20
             |           
            
                73.00
             |               
            
                69.20
             |                           
            
                71.90
             | 
            
                71.71
             |                     
            
                16.83
             |                                 
            
                43,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2016
             | 
            
                +4.00 / +5.88%
             |             
            
                66.90
             |           
            
                72.00
             |               
            
                66.90
             |                           
            
                72.00
             | 
            
                68.79
             |                     
            
                16.86
             |                                 
            
                39,523
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2016
             | 
            
                -1.00 / -1.45%
             |             
            
                69.00
             |           
            
                69.20
             |               
            
                67.90
             |                           
            
                68.00
             | 
            
                68.37
             |                     
            
                15.92
             |                                 
            
                49,744
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2016
             | 
            
                +0.20 / +0.29%
             |             
            
                67.30
             |           
            
                70.00
             |               
            
                67.30
             |                           
            
                69.00
             | 
            
                69.10
             |                     
            
                16.15
             |                                 
            
                37,472
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2016
             | 
            
                -0.30 / -0.43%
             |             
            
                66.10
             |           
            
                69.10
             |               
            
                66.10
             |                           
            
                68.80
             | 
            
                68.91
             |                     
            
                16.11
             |                                 
            
                61,955
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2016
             | 
            
                +0.10 / +0.14%
             |             
            
                69.00
             |           
            
                69.30
             |               
            
                68.30
             |                           
            
                69.10
             | 
            
                68.99
             |                     
            
                16.18
             |                                 
            
                88,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2016
             | 
            
                +0.10 / +0.15%
             |             
            
                68.90
             |           
            
                70.00
             |               
            
                68.00
             |                           
            
                69.00
             | 
            
                68.40
             |                     
            
                16.15
             |                                 
            
                30,756
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2016
             | 
            
                +2.90 / +4.39%
             |             
            
                66.80
             |           
            
                69.00
             |               
            
                66.80
             |                           
            
                68.90
             | 
            
                68.29
             |                     
            
                16.13
             |                                 
            
                48,886
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                63.50
             |           
            
                66.70
             |               
            
                63.50
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                15.45
             |                                 
            
                25,271
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2016
             | 
            
                -0.10 / -0.15%
             |             
            
                66.00
             |           
            
                67.50
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                67.08
             |                     
            
                15.45
             |                                 
            
                21,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2016
             | 
            
                -1.40 / -2.07%
             |             
            
                66.00
             |           
            
                67.50
             |               
            
                66.00
             |                           
            
                66.10
             | 
            
                66.53
             |                     
            
                15.48
             |                                 
            
                48,635
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2016
             | 
            
                -1.60 / -2.32%
             |             
            
                68.70
             |           
            
                70.30
             |               
            
                67.00
             |                           
            
                67.50
             | 
            
                68.38
             |                     
            
                15.80
             |                                 
            
                139,675
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2016
             | 
            
                +1.40 / +2.07%
             |             
            
                67.00
             |           
            
                72.10
             |               
            
                66.10
             |                           
            
                69.10
             | 
            
                68.93
             |                     
            
                16.18
             |                                 
            
                102,249
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2016
             | 
            
                -1.20 / -1.74%
             |             
            
                69.00
             |           
            
                71.80
             |               
            
                67.70
             |                           
            
                67.70
             | 
            
                69.56
             |                     
            
                15.85
             |                                 
            
                193,020
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2016
             | 
            
                +6.20 / +9.89%
             |             
            
                63.00
             |           
            
                68.90
             |               
            
                62.60
             |                           
            
                68.90
             | 
            
                67.04
             |                     
            
                16.13
             |                                 
            
                147,010
             |  
            
                 
             |                                                              
             
    
         
    
    
 |