| 
                 
                    Closing price on 1/11/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    75.30 | 
                 
                
                    | High | 
                    75.30 | 
                 
                
                    | Low | 
                    74.60 | 
                     
                
                    | Volume | 
                    6,810 | 
                                 
                
                    | Split-adjusted Price | 
                    27.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                75.30
             |           
            
                75.30
             |               
            
                74.60
             |                           
            
                74.80
             | 
            
                74.89
             |                     
            
                27.01
             |                                 
            
                6,810
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2017
             | 
            
                +0.40 / +0.54%
             |             
            
                74.10
             |           
            
                75.20
             |               
            
                74.10
             |                           
            
                74.80
             | 
            
                74.94
             |                     
            
                27.01
             |                                 
            
                4,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2017
             | 
            
                -0.10 / -0.13%
             |             
            
                74.50
             |           
            
                74.50
             |               
            
                74.20
             |                           
            
                74.40
             | 
            
                74.46
             |                     
            
                26.87
             |                                 
            
                5,520
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                74.50
             |           
            
                74.50
             |               
            
                74.10
             |                           
            
                74.50
             | 
            
                74.36
             |                     
            
                26.90
             |                                 
            
                4,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2017
             | 
            
                +1.50 / +2.05%
             |             
            
                74.00
             |           
            
                74.50
             |               
            
                73.00
             |                           
            
                74.50
             | 
            
                73.99
             |                     
            
                26.90
             |                                 
            
                12,420
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                73.00
             |           
            
                73.50
             |               
            
                72.40
             |                           
            
                73.00
             | 
            
                72.86
             |                     
            
                26.36
             |                                 
            
                9,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2017
             | 
            
                +0.10 / +0.14%
             |             
            
                73.80
             |           
            
                73.80
             |               
            
                72.50
             |                           
            
                73.00
             | 
            
                72.86
             |                     
            
                26.36
             |                                 
            
                6,890
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2016
             | 
            
                -1.00 / -1.35%
             |             
            
                72.90
             |           
            
                73.90
             |               
            
                72.80
             |                           
            
                72.90
             | 
            
                72.96
             |                     
            
                26.32
             |                                 
            
                3,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2016
             | 
            
                +0.50 / +0.68%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                72.00
             |                           
            
                73.90
             | 
            
                73.98
             |                     
            
                26.69
             |                                 
            
                1,230
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2016
             | 
            
                -1.10 / -1.48%
             |             
            
                74.00
             |           
            
                75.90
             |               
            
                73.30
             |                           
            
                73.40
             | 
            
                74.17
             |                     
            
                26.50
             |                                 
            
                1,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2016
             | 
            
                +2.00 / +2.76%
             |             
            
                72.60
             |           
            
                74.50
             |               
            
                72.50
             |                           
            
                74.50
             | 
            
                73.31
             |                     
            
                26.90
             |                                 
            
                25,250
             |            
            
                 
             |                                       
         
    
        
            | 
                12/26/2016
             | 
            
                -0.10 / -0.14%
             |             
            
                72.50
             |           
            
                72.90
             |               
            
                71.50
             |                           
            
                72.50
             | 
            
                71.58
             |                     
            
                26.18
             |                                 
            
                5,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2016
             | 
            
                +1.10 / +1.54%
             |             
            
                72.00
             |           
            
                73.00
             |               
            
                71.50
             |                           
            
                72.60
             | 
            
                71.89
             |                     
            
                26.22
             |                                 
            
                15,370
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2016
             | 
            
                -4.00 / -5.30%
             |             
            
                75.30
             |           
            
                75.30
             |               
            
                71.50
             |                           
            
                71.50
             | 
            
                72.91
             |                     
            
                25.82
             |                                 
            
                13,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                76.10
             |           
            
                76.10
             |               
            
                75.50
             |                           
            
                75.50
             | 
            
                75.96
             |                     
            
                27.26
             |                                 
            
                2,870
             |            
            
                 
             |                                       
         
    
        
            | 
                12/20/2016
             | 
            
                +2.70 / +3.71%
             |             
            
                72.80
             |           
            
                75.50
             |               
            
                71.30
             |                           
            
                75.50
             | 
            
                73.70
             |                     
            
                27.26
             |                                 
            
                33,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                72.80
             |           
            
                73.00
             |               
            
                71.70
             |                           
            
                72.80
             | 
            
                72.80
             |                     
            
                26.29
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2016
             | 
            
                -0.20 / -0.27%
             |             
            
                73.50
             |           
            
                73.50
             |               
            
                71.00
             |                           
            
                72.80
             | 
            
                71.50
             |                     
            
                26.29
             |                                 
            
                5,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2016
             | 
            
                -0.40 / -0.54%
             |             
            
                73.40
             |           
            
                73.40
             |               
            
                73.00
             |                           
            
                73.00
             | 
            
                73.20
             |                     
            
                26.36
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2016
             | 
            
                +2.30 / +3.23%
             |             
            
                72.00
             |           
            
                73.90
             |               
            
                71.00
             |                           
            
                73.40
             | 
            
                71.15
             |                     
            
                26.50
             |                                 
            
                32,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2016
             | 
            
                +0.10 / +0.14%
             |             
            
                71.00
             |           
            
                72.30
             |               
            
                71.00
             |                           
            
                71.10
             | 
            
                71.43
             |                     
            
                25.67
             |                                 
            
                50,990
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |