| 
                 
                    Closing price on 12/14/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    48.00 | 
                 
                
                    | High | 
                    49.00 | 
                 
                
                    | Low | 
                    47.85 | 
                     
                
                    | Volume | 
                    35,450 | 
                                 
                
                    | Split-adjusted Price | 
                    33.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/14/2018
             | 
            
                -0.65 / -1.34%
             |             
            
                48.00
             |           
            
                49.00
             |               
            
                47.85
             |                           
            
                48.00
             | 
            
                48.04
             |                     
            
                33.01
             |                                 
            
                35,450
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2018
             | 
            
                -0.05 / -0.10%
             |             
            
                48.70
             |           
            
                49.00
             |               
            
                47.85
             |                           
            
                48.65
             | 
            
                48.17
             |                     
            
                33.46
             |                                 
            
                27,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2018
             | 
            
                +0.20 / +0.41%
             |             
            
                48.70
             |           
            
                48.70
             |               
            
                47.90
             |                           
            
                48.70
             | 
            
                48.06
             |                     
            
                33.50
             |                                 
            
                14,940
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2018
             | 
            
                +0.70 / +1.46%
             |             
            
                47.80
             |           
            
                48.50
             |               
            
                47.80
             |                           
            
                48.50
             | 
            
                47.98
             |                     
            
                33.36
             |                                 
            
                10,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2018
             | 
            
                -0.65 / -1.34%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.80
             |                           
            
                47.80
             | 
            
                47.91
             |                     
            
                32.88
             |                                 
            
                13,630
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2018
             | 
            
                -0.35 / -0.72%
             |             
            
                48.80
             |           
            
                48.80
             |               
            
                47.90
             |                           
            
                48.45
             | 
            
                48.13
             |                     
            
                33.32
             |                                 
            
                24,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2018
             | 
            
                -0.15 / -0.31%
             |             
            
                48.20
             |           
            
                48.80
             |               
            
                47.90
             |                           
            
                48.80
             | 
            
                48.09
             |                     
            
                33.56
             |                                 
            
                32,670
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2018
             | 
            
                -0.05 / -0.10%
             |             
            
                48.95
             |           
            
                48.95
             |               
            
                48.15
             |                           
            
                48.95
             | 
            
                48.48
             |                     
            
                33.67
             |                                 
            
                15,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2018
             | 
            
                +0.05 / +0.10%
             |             
            
                48.95
             |           
            
                49.20
             |               
            
                48.95
             |                           
            
                49.00
             | 
            
                49.03
             |                     
            
                33.70
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2018
             | 
            
                +0.55 / +1.14%
             |             
            
                48.40
             |           
            
                49.00
             |               
            
                47.90
             |                           
            
                48.95
             | 
            
                48.11
             |                     
            
                33.67
             |                                 
            
                35,354
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2018
             | 
            
                -0.50 / -1.02%
             |             
            
                48.90
             |           
            
                48.90
             |               
            
                47.70
             |                           
            
                48.40
             | 
            
                48.38
             |                     
            
                33.29
             |                                 
            
                32,950
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2018
             | 
            
                -4.50 / -8.43%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                48.90
             |                           
            
                48.90
             | 
            
                49.05
             |                     
            
                33.63
             |                                 
            
                51,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                53.30
             |           
            
                53.40
             |               
            
                52.80
             |                           
            
                53.40
             | 
            
                53.03
             |                     
            
                33.98
             |                                 
            
                47,054
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2018
             | 
            
                -0.10 / -0.19%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                52.80
             |                           
            
                53.40
             | 
            
                52.92
             |                     
            
                33.98
             |                                 
            
                34,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.80
             |               
            
                53.00
             |                           
            
                53.50
             | 
            
                53.21
             |                     
            
                34.04
             |                                 
            
                35,480
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2018
             | 
            
                +0.20 / +0.38%
             |             
            
                53.30
             |           
            
                53.50
             |               
            
                52.80
             |                           
            
                53.50
             | 
            
                53.21
             |                     
            
                34.04
             |                                 
            
                29,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2018
             | 
            
                -0.40 / -0.74%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                53.30
             |                           
            
                53.30
             | 
            
                53.58
             |                     
            
                33.91
             |                                 
            
                31,710
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2018
             | 
            
                +0.20 / +0.37%
             |             
            
                53.70
             |           
            
                53.70
             |               
            
                53.30
             |                           
            
                53.70
             | 
            
                53.48
             |                     
            
                34.17
             |                                 
            
                30,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2018
             | 
            
                +0.10 / +0.19%
             |             
            
                53.90
             |           
            
                53.90
             |               
            
                53.20
             |                           
            
                53.50
             | 
            
                53.34
             |                     
            
                34.04
             |                                 
            
                34,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2018
             | 
            
                +0.10 / +0.19%
             |             
            
                53.50
             |           
            
                54.00
             |               
            
                53.30
             |                           
            
                53.40
             | 
            
                53.40
             |                     
            
                33.98
             |                                 
            
                21,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2018
             | 
            
                +0.30 / +0.57%
             |             
            
                53.00
             |           
            
                53.30
             |               
            
                53.00
             |                           
            
                53.30
             | 
            
                53.20
             |                     
            
                33.91
             |                                 
            
                13,270
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.40
             |               
            
                52.70
             |                           
            
                53.00
             | 
            
                53.24
             |                     
            
                33.72
             |                                 
            
                48,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.50
             |               
            
                52.90
             |                           
            
                53.00
             | 
            
                53.13
             |                     
            
                33.72
             |                                 
            
                25,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2018
             | 
            
                +0.50 / +0.95%
             |             
            
                52.00
             |           
            
                53.00
             |               
            
                52.00
             |                           
            
                53.00
             | 
            
                52.57
             |                     
            
                33.72
             |                                 
            
                47,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2018
             | 
            
                +0.30 / +0.57%
             |             
            
                52.00
             |           
            
                52.50
             |               
            
                51.90
             |                           
            
                52.50
             | 
            
                52.14
             |                     
            
                33.40
             |                                 
            
                31,950
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2018
             | 
            
                +0.20 / +0.38%
             |             
            
                52.00
             |           
            
                52.20
             |               
            
                51.80
             |                           
            
                52.20
             | 
            
                52.06
             |                     
            
                33.21
             |                                 
            
                25,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2018
             | 
            
                +0.40 / +0.78%
             |             
            
                51.70
             |           
            
                52.50
             |               
            
                51.70
             |                           
            
                52.00
             | 
            
                52.07
             |                     
            
                33.09
             |                                 
            
                24,180
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2018
             | 
            
                -1.90 / -3.55%
             |             
            
                52.50
             |           
            
                53.00
             |               
            
                51.60
             |                           
            
                51.60
             | 
            
                52.67
             |                     
            
                32.83
             |                                 
            
                28,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2018
             | 
            
                +3.40 / +6.79%
             |             
            
                50.10
             |           
            
                53.50
             |               
            
                50.00
             |                           
            
                53.50
             | 
            
                50.20
             |                     
            
                34.04
             |                                 
            
                49,320
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2018
             | 
            
                +0.20 / +0.40%
             |             
            
                49.90
             |           
            
                50.10
             |               
            
                49.60
             |                           
            
                50.10
             | 
            
                49.92
             |                     
            
                31.88
             |                                 
            
                36,900
             |  
            
                 
             |                                                              
             
    
         
    
    
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