| 
                 
                    Closing price on 2/26/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    57.00 | 
                 
                
                    | High | 
                    57.40 | 
                 
                
                    | Low | 
                    56.00 | 
                     
                
                    | Volume | 
                    17,711 | 
                                 
                
                    | Split-adjusted Price | 
                    13.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/26/2016
             | 
            
                -0.50 / -0.88%
             |             
            
                57.00
             |           
            
                57.40
             |               
            
                56.00
             |                           
            
                56.40
             | 
            
                56.48
             |                     
            
                13.20
             |                                 
            
                17,711
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2016
             | 
            
                -1.30 / -2.23%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                56.20
             |                           
            
                56.90
             | 
            
                57.28
             |                     
            
                13.32
             |                                 
            
                32,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2016
             | 
            
                -0.70 / -1.19%
             |             
            
                58.90
             |           
            
                58.90
             |               
            
                58.00
             |                           
            
                58.20
             | 
            
                58.12
             |                     
            
                13.63
             |                                 
            
                15,930
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2016
             | 
            
                -0.10 / -0.17%
             |             
            
                59.20
             |           
            
                59.50
             |               
            
                58.00
             |                           
            
                58.90
             | 
            
                58.98
             |                     
            
                13.79
             |                                 
            
                51,442
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2016
             | 
            
                +0.50 / +0.85%
             |             
            
                58.50
             |           
            
                59.50
             |               
            
                58.50
             |                           
            
                59.00
             | 
            
                59.02
             |                     
            
                13.81
             |                                 
            
                88,006
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2016
             | 
            
                +2.00 / +3.54%
             |             
            
                56.50
             |           
            
                58.70
             |               
            
                56.50
             |                           
            
                58.50
             | 
            
                57.43
             |                     
            
                13.70
             |                                 
            
                69,911
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2016
             | 
            
                -0.10 / -0.18%
             |             
            
                56.60
             |           
            
                56.60
             |               
            
                56.40
             |                           
            
                56.50
             | 
            
                56.56
             |                     
            
                13.23
             |                                 
            
                13,205
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2016
             | 
            
                +1.60 / +2.91%
             |             
            
                55.00
             |           
            
                56.90
             |               
            
                54.00
             |                           
            
                56.60
             | 
            
                55.02
             |                     
            
                13.25
             |                                 
            
                51,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2016
             | 
            
                +1.50 / +2.80%
             |             
            
                53.50
             |           
            
                55.00
             |               
            
                53.50
             |                           
            
                55.00
             | 
            
                54.07
             |                     
            
                12.88
             |                                 
            
                34,950
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2016
             | 
            
                +0.40 / +0.75%
             |             
            
                53.50
             |           
            
                54.50
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.68
             |                     
            
                12.53
             |                                 
            
                6,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2016
             | 
            
                -2.20 / -3.98%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                53.10
             |                           
            
                53.10
             | 
            
                54.00
             |                     
            
                12.43
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2016
             | 
            
                +1.90 / +3.56%
             |             
            
                53.40
             |           
            
                55.30
             |               
            
                53.40
             |                           
            
                55.30
             | 
            
                53.40
             |                     
            
                12.95
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2016
             | 
            
                0.00 / 0.00%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                53.00
             |                           
            
                53.40
             | 
            
                53.42
             |                     
            
                12.50
             |                                 
            
                5,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2016
             | 
            
                -0.60 / -1.11%
             |             
            
                53.00
             |           
            
                54.00
             |               
            
                53.00
             |                           
            
                53.40
             | 
            
                53.63
             |                     
            
                12.50
             |                                 
            
                14,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                12.64
             |                                 
            
                326
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2016
             | 
            
                +1.40 / +2.66%
             |             
            
                52.60
             |           
            
                54.10
             |               
            
                52.60
             |                           
            
                54.00
             | 
            
                53.48
             |                     
            
                12.64
             |                                 
            
                6,122
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2016
             | 
            
                -0.80 / -1.50%
             |             
            
                53.40
             |           
            
                54.00
             |               
            
                52.60
             |                           
            
                52.60
             | 
            
                53.40
             |                     
            
                12.31
             |                                 
            
                10,460
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2016
             | 
            
                +0.30 / +0.56%
             |             
            
                53.30
             |           
            
                54.00
             |               
            
                53.20
             |                           
            
                53.40
             | 
            
                53.48
             |                     
            
                12.50
             |                                 
            
                7,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2016
             | 
            
                -2.90 / -5.18%
             |             
            
                53.00
             |           
            
                55.00
             |               
            
                52.50
             |                           
            
                53.10
             | 
            
                54.05
             |                     
            
                12.43
             |                                 
            
                22,486
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2016
             | 
            
                +1.00 / +1.82%
             |             
            
                55.00
             |           
            
                56.90
             |               
            
                54.00
             |                           
            
                56.00
             | 
            
                56.27
             |                     
            
                13.11
             |                                 
            
                35,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2016
             | 
            
                +3.90 / +7.63%
             |             
            
                51.00
             |           
            
                55.00
             |               
            
                50.50
             |                           
            
                55.00
             | 
            
                51.35
             |                     
            
                12.88
             |                                 
            
                48,576
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2016
             | 
            
                -0.20 / -0.39%
             |             
            
                51.20
             |           
            
                52.00
             |               
            
                51.10
             |                           
            
                51.10
             | 
            
                51.41
             |                     
            
                11.96
             |                                 
            
                33,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2016
             | 
            
                +0.10 / +0.20%
             |             
            
                51.50
             |           
            
                51.60
             |               
            
                50.10
             |                           
            
                51.30
             | 
            
                51.20
             |                     
            
                12.01
             |                                 
            
                18,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2016
             | 
            
                +0.10 / +0.20%
             |             
            
                50.50
             |           
            
                52.00
             |               
            
                50.50
             |                           
            
                51.20
             | 
            
                50.95
             |                     
            
                11.99
             |                                 
            
                19,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2016
             | 
            
                -1.80 / -3.40%
             |             
            
                51.00
             |           
            
                52.80
             |               
            
                50.00
             |                           
            
                51.10
             | 
            
                50.89
             |                     
            
                11.96
             |                                 
            
                43,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2016
             | 
            
                -0.60 / -1.12%
             |             
            
                53.10
             |           
            
                54.00
             |               
            
                52.50
             |                           
            
                52.90
             | 
            
                53.14
             |                     
            
                12.38
             |                                 
            
                8,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2016
             | 
            
                -1.70 / -3.08%
             |             
            
                55.20
             |           
            
                55.20
             |               
            
                52.70
             |                           
            
                53.50
             | 
            
                54.25
             |                     
            
                12.53
             |                                 
            
                17,010
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2016
             | 
            
                +0.20 / +0.36%
             |             
            
                56.00
             |           
            
                58.00
             |               
            
                55.00
             |                           
            
                55.20
             | 
            
                56.26
             |                     
            
                12.92
             |                                 
            
                48,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2016
             | 
            
                +1.00 / +1.85%
             |             
            
                52.50
             |           
            
                55.00
             |               
            
                52.50
             |                           
            
                55.00
             | 
            
                54.75
             |                     
            
                12.88
             |                                 
            
                23,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2016
             | 
            
                -4.00 / -6.90%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                56.14
             |                     
            
                12.64
             |                                 
            
                28,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |