| 
                 
                    Closing price on 12/11/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    51.60 | 
                 
                
                    | High | 
                    52.50 | 
                 
                
                    | Low | 
                    51.50 | 
                     
                
                    | Volume | 
                    7,350 | 
                                 
                
                    | Split-adjusted Price | 
                    27.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/11/2017
             | 
            
                +0.30 / +0.58%
             |             
            
                51.60
             |           
            
                52.50
             |               
            
                51.50
             |                           
            
                51.90
             | 
            
                51.56
             |                     
            
                27.41
             |                                 
            
                7,350
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2017
             | 
            
                -0.20 / -0.39%
             |             
            
                51.90
             |           
            
                52.00
             |               
            
                51.60
             |                           
            
                51.60
             | 
            
                51.75
             |                     
            
                27.25
             |                                 
            
                20,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2017
             | 
            
                -0.70 / -1.33%
             |             
            
                52.30
             |           
            
                52.30
             |               
            
                51.80
             |                           
            
                51.80
             | 
            
                51.98
             |                     
            
                27.35
             |                                 
            
                35,420
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                52.70
             |           
            
                52.70
             |               
            
                52.00
             |                           
            
                52.50
             | 
            
                52.44
             |                     
            
                27.72
             |                                 
            
                29,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2017
             | 
            
                -0.70 / -1.31%
             |             
            
                53.30
             |           
            
                53.30
             |               
            
                52.60
             |                           
            
                52.60
             | 
            
                52.80
             |                     
            
                27.78
             |                                 
            
                9,110
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2017
             | 
            
                +0.50 / +0.95%
             |             
            
                52.70
             |           
            
                53.30
             |               
            
                52.30
             |                           
            
                53.30
             | 
            
                52.78
             |                     
            
                28.15
             |                                 
            
                33,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2017
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                52.60
             |                           
            
                52.80
             | 
            
                52.70
             |                     
            
                27.88
             |                                 
            
                8,160
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2017
             | 
            
                +0.50 / +0.96%
             |             
            
                52.60
             |           
            
                52.80
             |               
            
                52.10
             |                           
            
                52.80
             | 
            
                52.55
             |                     
            
                27.88
             |                                 
            
                31,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2017
             | 
            
                -0.30 / -0.57%
             |             
            
                52.60
             |           
            
                53.00
             |               
            
                52.10
             |                           
            
                52.30
             | 
            
                52.43
             |                     
            
                27.62
             |                                 
            
                13,020
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2017
             | 
            
                +1.00 / +1.94%
             |             
            
                52.00
             |           
            
                52.70
             |               
            
                52.00
             |                           
            
                52.60
             | 
            
                52.50
             |                     
            
                27.78
             |                                 
            
                39,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2017
             | 
            
                +0.40 / +0.78%
             |             
            
                51.00
             |           
            
                52.00
             |               
            
                50.80
             |                           
            
                51.60
             | 
            
                51.21
             |                     
            
                27.25
             |                                 
            
                50,360
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                51.50
             |           
            
                51.50
             |               
            
                51.00
             |                           
            
                51.20
             | 
            
                51.14
             |                     
            
                27.04
             |                                 
            
                21,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2017
             | 
            
                -0.30 / -0.58%
             |             
            
                52.50
             |           
            
                52.50
             |               
            
                51.30
             |                           
            
                51.30
             | 
            
                51.85
             |                     
            
                27.09
             |                                 
            
                7,410
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2017
             | 
            
                +1.10 / +2.18%
             |             
            
                50.60
             |           
            
                52.90
             |               
            
                50.60
             |                           
            
                51.60
             | 
            
                51.37
             |                     
            
                27.25
             |                                 
            
                23,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2017
             | 
            
                -1.20 / -2.32%
             |             
            
                51.70
             |           
            
                51.70
             |               
            
                50.10
             |                           
            
                50.50
             | 
            
                50.94
             |                     
            
                26.67
             |                                 
            
                114,120
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2017
             | 
            
                -0.80 / -1.52%
             |             
            
                52.50
             |           
            
                52.50
             |               
            
                51.70
             |                           
            
                51.70
             | 
            
                52.21
             |                     
            
                27.30
             |                                 
            
                77,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                52.50
             |                           
            
                52.50
             | 
            
                52.66
             |                     
            
                27.72
             |                                 
            
                22,220
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2017
             | 
            
                -0.40 / -0.75%
             |             
            
                53.00
             |           
            
                53.10
             |               
            
                52.60
             |                           
            
                52.60
             | 
            
                52.83
             |                     
            
                27.78
             |                                 
            
                21,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2017
             | 
            
                +0.10 / +0.19%
             |             
            
                52.90
             |           
            
                53.00
             |               
            
                52.90
             |                           
            
                53.00
             | 
            
                52.93
             |                     
            
                27.99
             |                                 
            
                7,840
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                53.10
             |           
            
                53.10
             |               
            
                52.70
             |                           
            
                52.90
             | 
            
                52.95
             |                     
            
                27.93
             |                                 
            
                21,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                53.30
             |           
            
                53.90
             |               
            
                52.90
             |                           
            
                53.00
             | 
            
                53.01
             |                     
            
                27.99
             |                                 
            
                14,940
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2017
             | 
            
                +0.20 / +0.38%
             |             
            
                53.00
             |           
            
                53.20
             |               
            
                52.90
             |                           
            
                53.10
             | 
            
                53.05
             |                     
            
                28.04
             |                                 
            
                10,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2017
             | 
            
                -0.10 / -0.19%
             |             
            
                53.00
             |           
            
                53.10
             |               
            
                52.90
             |                           
            
                52.90
             | 
            
                52.98
             |                     
            
                27.93
             |                                 
            
                16,440
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.20
             |               
            
                52.90
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                27.99
             |                                 
            
                33,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2017
             | 
            
                -0.50 / -0.93%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                52.80
             |                           
            
                53.00
             | 
            
                53.01
             |                     
            
                27.99
             |                                 
            
                20,260
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2017
             | 
            
                -0.50 / -0.93%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.66
             |                     
            
                28.25
             |                                 
            
                100,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                54.00
             |           
            
                54.30
             |               
            
                53.90
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                28.51
             |                                 
            
                20,240
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2017
             | 
            
                0.00 / 0.00%
             |             
            
                54.00
             |           
            
                54.30
             |               
            
                53.90
             |                           
            
                54.00
             | 
            
                54.02
             |                     
            
                28.51
             |                                 
            
                18,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2017
             | 
            
                -0.30 / -0.55%
             |             
            
                54.30
             |           
            
                55.00
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                54.11
             |                     
            
                28.51
             |                                 
            
                79,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2017
             | 
            
                -0.30 / -0.55%
             |             
            
                54.60
             |           
            
                54.60
             |               
            
                54.20
             |                           
            
                54.30
             | 
            
                54.41
             |                     
            
                28.67
             |                                 
            
                26,210
             |  
            
                 
             |                                                              
             
    
         
    
    
 |