| 
                 
                    Closing price on 6/9/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    57.60 | 
                 
                
                    | High | 
                    59.00 | 
                 
                
                    | Low | 
                    57.60 | 
                     
                
                    | Volume | 
                    14,700 | 
                                 
                
                    | Split-adjusted Price | 
                    16.83 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/9/2016
             | 
            
                +0.50 / +0.85%
             |             
            
                57.60
             |           
            
                59.00
             |               
            
                57.60
             |                           
            
                59.00
             | 
            
                58.15
             |                     
            
                16.83
             |                                 
            
                14,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2016
             | 
            
                +1.80 / +3.17%
             |             
            
                59.00
             |           
            
                59.90
             |               
            
                56.50
             |                           
            
                58.50
             | 
            
                58.05
             |                     
            
                16.69
             |                                 
            
                40,704
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2016
             | 
            
                -0.10 / -0.18%
             |             
            
                56.50
             |           
            
                56.80
             |               
            
                56.00
             |                           
            
                56.70
             | 
            
                56.15
             |                     
            
                16.18
             |                                 
            
                10,220
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2016
             | 
            
                -0.10 / -0.18%
             |             
            
                58.00
             |           
            
                61.00
             |               
            
                56.70
             |                           
            
                56.80
             | 
            
                58.22
             |                     
            
                16.21
             |                                 
            
                14,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2016
             | 
            
                -0.40 / -0.70%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                56.00
             |                           
            
                56.90
             | 
            
                56.35
             |                     
            
                16.23
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2016
             | 
            
                -0.20 / -0.35%
             |             
            
                57.00
             |           
            
                57.30
             |               
            
                55.20
             |                           
            
                57.30
             | 
            
                56.14
             |                     
            
                16.35
             |                                 
            
                15,304
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2016
             | 
            
                -0.10 / -0.17%
             |             
            
                59.90
             |           
            
                59.90
             |               
            
                55.00
             |                           
            
                57.50
             | 
            
                57.32
             |                     
            
                16.41
             |                                 
            
                14,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2016
             | 
            
                0.00 / 0.00%
             |             
            
                57.20
             |           
            
                57.60
             |               
            
                57.00
             |                           
            
                57.60
             | 
            
                57.33
             |                     
            
                16.43
             |                                 
            
                7,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2016
             | 
            
                -0.10 / -0.17%
             |             
            
                57.70
             |           
            
                57.70
             |               
            
                57.10
             |                           
            
                57.60
             | 
            
                57.40
             |                     
            
                16.43
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2016
             | 
            
                -0.10 / -0.17%
             |             
            
                55.00
             |           
            
                57.80
             |               
            
                55.00
             |                           
            
                57.70
             | 
            
                57.42
             |                     
            
                16.46
             |                                 
            
                3,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2016
             | 
            
                -0.20 / -0.34%
             |             
            
                57.50
             |           
            
                58.40
             |               
            
                56.80
             |                           
            
                57.80
             | 
            
                57.58
             |                     
            
                16.49
             |                                 
            
                18,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2016
             | 
            
                -0.80 / -1.36%
             |             
            
                58.60
             |           
            
                60.00
             |               
            
                57.60
             |                           
            
                58.00
             | 
            
                58.28
             |                     
            
                16.55
             |                                 
            
                11,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2016
             | 
            
                -0.10 / -0.17%
             |             
            
                59.40
             |           
            
                59.50
             |               
            
                58.00
             |                           
            
                58.80
             | 
            
                58.53
             |                     
            
                16.78
             |                                 
            
                6,136
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2016
             | 
            
                +3.10 / +5.56%
             |             
            
                61.30
             |           
            
                61.30
             |               
            
                57.00
             |                           
            
                58.90
             | 
            
                58.63
             |                     
            
                16.80
             |                                 
            
                54,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2016
             | 
            
                +2.00 / +3.03%
             |             
            
                66.50
             |           
            
                68.00
             |               
            
                66.00
             |                           
            
                68.00
             | 
            
                66.55
             |                     
            
                15.92
             |                                 
            
                45,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2016
             | 
            
                -1.00 / -1.49%
             |             
            
                66.50
             |           
            
                67.00
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                67.00
             |                     
            
                15.45
             |                                 
            
                16,329
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2016
             | 
            
                -0.90 / -1.33%
             |             
            
                68.00
             |           
            
                68.00
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.27
             |                     
            
                15.69
             |                                 
            
                21,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2016
             | 
            
                +0.10 / +0.15%
             |             
            
                67.00
             |           
            
                67.90
             |               
            
                65.00
             |                           
            
                67.90
             | 
            
                67.80
             |                     
            
                15.90
             |                                 
            
                18,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2016
             | 
            
                +0.10 / +0.15%
             |             
            
                68.20
             |           
            
                68.30
             |               
            
                67.30
             |                           
            
                67.80
             | 
            
                67.55
             |                     
            
                15.87
             |                                 
            
                9,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2016
             | 
            
                +0.10 / +0.15%
             |             
            
                67.30
             |           
            
                68.60
             |               
            
                67.30
             |                           
            
                67.70
             | 
            
                67.60
             |                     
            
                15.85
             |                                 
            
                11,915
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2016
             | 
            
                -0.80 / -1.17%
             |             
            
                68.40
             |           
            
                68.80
             |               
            
                67.00
             |                           
            
                67.60
             | 
            
                68.40
             |                     
            
                15.83
             |                                 
            
                14,200
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |