| 
                 
                    Closing price on 10/23/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    50.90 | 
                 
                
                    | High | 
                    50.90 | 
                 
                
                    | Low | 
                    49.80 | 
                     
                
                    | Volume | 
                    13,420 | 
                                 
                
                    | Split-adjusted Price | 
                    31.94 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/23/2018
             | 
            
                -0.70 / -1.38%
             |             
            
                50.90
             |           
            
                50.90
             |               
            
                49.80
             |                           
            
                50.20
             | 
            
                50.30
             |                     
            
                31.94
             |                                 
            
                13,420
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                50.90
             |                           
            
                50.90
             | 
            
                50.96
             |                     
            
                32.39
             |                                 
            
                9,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2018
             | 
            
                -0.30 / -0.59%
             |             
            
                51.20
             |           
            
                51.20
             |               
            
                50.90
             |                           
            
                50.90
             | 
            
                51.09
             |                     
            
                32.39
             |                                 
            
                5,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2018
             | 
            
                +0.20 / +0.39%
             |             
            
                50.90
             |           
            
                51.20
             |               
            
                50.00
             |                           
            
                51.20
             | 
            
                50.92
             |                     
            
                32.58
             |                                 
            
                19,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2018
             | 
            
                +0.40 / +0.79%
             |             
            
                50.80
             |           
            
                51.00
             |               
            
                50.50
             |                           
            
                51.00
             | 
            
                50.85
             |                     
            
                32.45
             |                                 
            
                10,620
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2018
             | 
            
                +0.30 / +0.60%
             |             
            
                50.90
             |           
            
                50.90
             |               
            
                50.20
             |                           
            
                50.60
             | 
            
                50.36
             |                     
            
                32.20
             |                                 
            
                7,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2018
             | 
            
                +0.30 / +0.60%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                50.00
             |                           
            
                50.30
             | 
            
                50.28
             |                     
            
                32.00
             |                                 
            
                5,310
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                50.70
             |           
            
                50.70
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.18
             |                     
            
                31.81
             |                                 
            
                11,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2018
             | 
            
                -0.90 / -1.77%
             |             
            
                50.80
             |           
            
                50.80
             |               
            
                49.60
             |                           
            
                50.00
             | 
            
                50.11
             |                     
            
                31.81
             |                                 
            
                22,970
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                50.80
             |           
            
                50.90
             |               
            
                50.60
             |                           
            
                50.90
             | 
            
                50.84
             |                     
            
                32.39
             |                                 
            
                11,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2018
             | 
            
                -0.10 / -0.20%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                50.80
             |                           
            
                50.90
             | 
            
                50.83
             |                     
            
                32.39
             |                                 
            
                6,590
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                50.80
             |           
            
                51.00
             |               
            
                50.70
             |                           
            
                51.00
             | 
            
                50.84
             |                     
            
                32.45
             |                                 
            
                10,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2018
             | 
            
                -0.10 / -0.20%
             |             
            
                50.70
             |           
            
                51.00
             |               
            
                50.60
             |                           
            
                51.00
             | 
            
                50.76
             |                     
            
                32.45
             |                                 
            
                5,240
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                51.10
             |           
            
                51.10
             |               
            
                50.50
             |                           
            
                51.10
             | 
            
                50.80
             |                     
            
                32.51
             |                                 
            
                8,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2018
             | 
            
                +0.10 / +0.20%
             |             
            
                51.00
             |           
            
                51.10
             |               
            
                50.50
             |                           
            
                51.10
             | 
            
                50.76
             |                     
            
                32.51
             |                                 
            
                21,180
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2018
             | 
            
                +0.10 / +0.20%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                50.50
             |                           
            
                51.00
             | 
            
                50.68
             |                     
            
                32.45
             |                                 
            
                9,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2018
             | 
            
                -0.20 / -0.39%
             |             
            
                51.10
             |           
            
                51.20
             |               
            
                50.90
             |                           
            
                50.90
             | 
            
                51.08
             |                     
            
                32.39
             |                                 
            
                131,890
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2018
             | 
            
                +0.30 / +0.59%
             |             
            
                50.80
             |           
            
                51.10
             |               
            
                50.50
             |                           
            
                51.10
             | 
            
                50.78
             |                     
            
                32.51
             |                                 
            
                26,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2018
             | 
            
                +0.60 / +1.20%
             |             
            
                50.50
             |           
            
                50.80
             |               
            
                50.50
             |                           
            
                50.80
             | 
            
                50.65
             |                     
            
                32.32
             |                                 
            
                122,210
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2018
             | 
            
                +0.50 / +1.01%
             |             
            
                49.80
             |           
            
                50.20
             |               
            
                49.70
             |                           
            
                50.20
             | 
            
                50.01
             |                     
            
                31.94
             |                                 
            
                68,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.70
             |           
            
                49.80
             |               
            
                49.70
             |                           
            
                49.70
             | 
            
                49.72
             |                     
            
                31.62
             |                                 
            
                44,310
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.60
             |           
            
                49.70
             |               
            
                49.50
             |                           
            
                49.70
             | 
            
                49.64
             |                     
            
                31.62
             |                                 
            
                26,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2018
             | 
            
                -0.10 / -0.20%
             |             
            
                49.70
             |           
            
                49.80
             |               
            
                49.60
             |                           
            
                49.70
             | 
            
                49.70
             |                     
            
                31.62
             |                                 
            
                48,670
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.80
             |           
            
                49.80
             |               
            
                49.50
             |                           
            
                49.80
             | 
            
                49.58
             |                     
            
                31.69
             |                                 
            
                13,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2018
             | 
            
                +0.20 / +0.40%
             |             
            
                49.30
             |           
            
                49.80
             |               
            
                49.30
             |                           
            
                49.80
             | 
            
                49.54
             |                     
            
                31.69
             |                                 
            
                18,450
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2018
             | 
            
                +0.10 / +0.20%
             |             
            
                49.50
             |           
            
                49.70
             |               
            
                49.50
             |                           
            
                49.60
             | 
            
                49.54
             |                     
            
                31.56
             |                                 
            
                5,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2018
             | 
            
                -0.30 / -0.60%
             |             
            
                52.80
             |           
            
                52.80
             |               
            
                49.50
             |                           
            
                49.50
             | 
            
                49.69
             |                     
            
                31.50
             |                                 
            
                9,620
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2018
             | 
            
                +0.30 / +0.61%
             |             
            
                49.60
             |           
            
                49.80
             |               
            
                49.50
             |                           
            
                49.80
             | 
            
                49.66
             |                     
            
                31.69
             |                                 
            
                14,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2018
             | 
            
                +0.20 / +0.41%
             |             
            
                49.30
             |           
            
                49.70
             |               
            
                49.30
             |                           
            
                49.50
             | 
            
                49.50
             |                     
            
                31.50
             |                                 
            
                20,160
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2018
             | 
            
                -0.70 / -1.40%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.30
             |                           
            
                49.30
             | 
            
                49.77
             |                     
            
                31.37
             |                                 
            
                66,390
             |  
            
                 
             |                                                              
             
    
         
    
    
 |