| 
                 
                    Closing price on 12/12/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    73.00 | 
                 
                
                    | High | 
                    74.50 | 
                 
                
                    | Low | 
                    71.00 | 
                     
                
                    | Volume | 
                    7,380 | 
                                 
                
                    | Split-adjusted Price | 
                    25.64 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/12/2016
             | 
            
                -1.10 / -1.53%
             |             
            
                73.00
             |           
            
                74.50
             |               
            
                71.00
             |                           
            
                71.00
             | 
            
                72.09
             |                     
            
                25.64
             |                                 
            
                7,380
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2016
             | 
            
                -0.60 / -0.83%
             |             
            
                72.70
             |           
            
                72.70
             |               
            
                72.10
             |                           
            
                72.10
             | 
            
                72.26
             |                     
            
                26.04
             |                                 
            
                13,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2016
             | 
            
                +1.40 / +1.96%
             |             
            
                72.80
             |           
            
                72.80
             |               
            
                71.30
             |                           
            
                72.70
             | 
            
                71.80
             |                     
            
                26.25
             |                                 
            
                10,710
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2016
             | 
            
                -1.70 / -2.33%
             |             
            
                73.60
             |           
            
                74.50
             |               
            
                71.00
             |                           
            
                71.30
             | 
            
                71.65
             |                     
            
                25.75
             |                                 
            
                18,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2016
             | 
            
                -1.90 / -2.54%
             |             
            
                74.90
             |           
            
                74.90
             |               
            
                73.00
             |                           
            
                73.00
             | 
            
                73.52
             |                     
            
                26.36
             |                                 
            
                12,350
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2016
             | 
            
                -1.00 / -1.32%
             |             
            
                73.60
             |           
            
                75.80
             |               
            
                73.50
             |                           
            
                74.90
             | 
            
                75.00
             |                     
            
                27.05
             |                                 
            
                2,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2016
             | 
            
                +0.40 / +0.53%
             |             
            
                74.50
             |           
            
                75.90
             |               
            
                73.50
             |                           
            
                75.90
             | 
            
                74.18
             |                     
            
                27.41
             |                                 
            
                10,070
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2016
             | 
            
                -0.20 / -0.26%
             |             
            
                76.00
             |           
            
                77.00
             |               
            
                75.50
             |                           
            
                75.50
             | 
            
                75.80
             |                     
            
                27.26
             |                                 
            
                8,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2016
             | 
            
                +3.20 / +4.41%
             |             
            
                71.50
             |           
            
                76.00
             |               
            
                71.50
             |                           
            
                75.70
             | 
            
                72.67
             |                     
            
                27.34
             |                                 
            
                10,720
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2016
             | 
            
                -1.80 / -2.42%
             |             
            
                73.50
             |           
            
                73.60
             |               
            
                72.50
             |                           
            
                72.50
             | 
            
                73.09
             |                     
            
                26.18
             |                                 
            
                33,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2016
             | 
            
                -3.10 / -4.01%
             |             
            
                77.40
             |           
            
                77.40
             |               
            
                74.20
             |                           
            
                74.30
             | 
            
                75.16
             |                     
            
                26.83
             |                                 
            
                62,470
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2016
             | 
            
                -2.60 / -3.25%
             |             
            
                78.00
             |           
            
                79.00
             |               
            
                77.40
             |                           
            
                77.40
             | 
            
                78.10
             |                     
            
                27.95
             |                                 
            
                12,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2016
             | 
            
                +1.40 / +1.78%
             |             
            
                78.60
             |           
            
                80.40
             |               
            
                78.00
             |                           
            
                80.00
             | 
            
                79.79
             |                     
            
                28.89
             |                                 
            
                17,710
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2016
             | 
            
                +3.20 / +4.24%
             |             
            
                75.40
             |           
            
                80.00
             |               
            
                75.40
             |                           
            
                78.60
             | 
            
                77.86
             |                     
            
                28.38
             |                                 
            
                18,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2016
             | 
            
                -2.00 / -2.58%
             |             
            
                76.20
             |           
            
                76.70
             |               
            
                72.60
             |                           
            
                75.40
             | 
            
                74.70
             |                     
            
                27.23
             |                                 
            
                124,520
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2016
             | 
            
                -1.60 / -2.03%
             |             
            
                79.00
             |           
            
                84.00
             |               
            
                77.40
             |                           
            
                77.40
             | 
            
                78.28
             |                     
            
                27.95
             |                                 
            
                60,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2016
             | 
            
                -2.10 / -2.59%
             |             
            
                81.90
             |           
            
                81.90
             |               
            
                79.00
             |                           
            
                79.00
             | 
            
                80.36
             |                     
            
                28.53
             |                                 
            
                110,920
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2016
             | 
            
                -6.00 / -6.89%
             |             
            
                87.40
             |           
            
                87.40
             |               
            
                81.10
             |                           
            
                81.10
             | 
            
                82.00
             |                     
            
                29.29
             |                                 
            
                328,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2016
             | 
            
                -1.60 / -1.80%
             |             
            
                88.00
             |           
            
                88.00
             |               
            
                87.10
             |                           
            
                87.10
             | 
            
                87.62
             |                     
            
                31.45
             |                                 
            
                26,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2016
             | 
            
                +0.60 / +0.68%
             |             
            
                89.00
             |           
            
                89.00
             |               
            
                87.00
             |                           
            
                88.70
             | 
            
                87.88
             |                     
            
                32.03
             |                                 
            
                60,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2016
             | 
            
                -0.90 / -1.01%
             |             
            
                89.80
             |           
            
                89.90
             |               
            
                88.10
             |                           
            
                88.10
             | 
            
                88.99
             |                     
            
                31.81
             |                                 
            
                3,180
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2016
             | 
            
                +1.30 / +1.48%
             |             
            
                88.00
             |           
            
                89.20
             |               
            
                87.70
             |                           
            
                89.00
             | 
            
                88.47
             |                     
            
                32.14
             |                                 
            
                24,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2016
             | 
            
                -0.20 / -0.23%
             |             
            
                88.00
             |           
            
                90.00
             |               
            
                87.60
             |                           
            
                87.70
             | 
            
                88.13
             |                     
            
                31.67
             |                                 
            
                41,630
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2016
             | 
            
                -1.60 / -1.79%
             |             
            
                88.00
             |           
            
                89.60
             |               
            
                85.00
             |                           
            
                87.90
             | 
            
                86.77
             |                     
            
                31.74
             |                                 
            
                58,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2016
             | 
            
                -0.70 / -0.78%
             |             
            
                90.40
             |           
            
                90.40
             |               
            
                88.00
             |                           
            
                89.50
             | 
            
                88.89
             |                     
            
                32.32
             |                                 
            
                25,830
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2016
             | 
            
                +0.60 / +0.67%
             |             
            
                90.50
             |           
            
                90.50
             |               
            
                90.00
             |                           
            
                90.20
             | 
            
                90.10
             |                     
            
                32.57
             |                                 
            
                8,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2016
             | 
            
                -0.40 / -0.44%
             |             
            
                88.50
             |           
            
                90.70
             |               
            
                88.50
             |                           
            
                89.60
             | 
            
                89.83
             |                     
            
                32.35
             |                                 
            
                10,420
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2016
             | 
            
                -0.60 / -0.66%
             |             
            
                90.90
             |           
            
                90.90
             |               
            
                88.00
             |                           
            
                90.00
             | 
            
                89.43
             |                     
            
                32.50
             |                                 
            
                13,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2016
             | 
            
                -1.50 / -1.63%
             |             
            
                90.90
             |           
            
                91.90
             |               
            
                90.00
             |                           
            
                90.60
             | 
            
                90.36
             |                     
            
                32.72
             |                                 
            
                23,130
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2016
             | 
            
                -0.70 / -0.75%
             |             
            
                92.70
             |           
            
                92.70
             |               
            
                90.00
             |                           
            
                92.10
             | 
            
                91.29
             |                     
            
                33.26
             |                                 
            
                30,990
             |  
            
                 
             |                                                              
             
    
         
    
    
 |