| 
                 
                    Closing price on 9/14/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    54.50 | 
                 
                
                    | High | 
                    54.50 | 
                 
                
                    | Low | 
                    54.10 | 
                     
                
                    | Volume | 
                    9,060 | 
                                 
                
                    | Split-adjusted Price | 
                    27.25 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/14/2017
             | 
            
                -0.30 / -0.55%
             |             
            
                54.50
             |           
            
                54.50
             |               
            
                54.10
             |                           
            
                54.40
             | 
            
                54.30
             |                     
            
                27.25
             |                                 
            
                9,060
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                54.20
             |           
            
                54.70
             |               
            
                54.10
             |                           
            
                54.70
             | 
            
                54.26
             |                     
            
                27.40
             |                                 
            
                16,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2017
             | 
            
                -0.30 / -0.55%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                53.50
             |                           
            
                54.70
             | 
            
                54.13
             |                     
            
                27.40
             |                                 
            
                9,570
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                54.20
             |                           
            
                55.00
             | 
            
                54.62
             |                     
            
                27.55
             |                                 
            
                7,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2017
             | 
            
                +0.20 / +0.36%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                54.20
             |                           
            
                55.00
             | 
            
                54.58
             |                     
            
                27.55
             |                                 
            
                7,530
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2017
             | 
            
                -0.20 / -0.36%
             |             
            
                55.00
             |           
            
                55.10
             |               
            
                54.10
             |                           
            
                54.80
             | 
            
                54.69
             |                     
            
                27.45
             |                                 
            
                26,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2017
             | 
            
                -0.20 / -0.36%
             |             
            
                55.10
             |           
            
                55.20
             |               
            
                54.60
             |                           
            
                55.00
             | 
            
                54.96
             |                     
            
                27.55
             |                                 
            
                17,630
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2017
             | 
            
                +0.50 / +0.91%
             |             
            
                55.40
             |           
            
                55.40
             |               
            
                54.50
             |                           
            
                55.20
             | 
            
                54.85
             |                     
            
                27.65
             |                                 
            
                10,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2017
             | 
            
                -0.30 / -0.55%
             |             
            
                55.20
             |           
            
                55.20
             |               
            
                54.00
             |                           
            
                54.70
             | 
            
                54.52
             |                     
            
                27.40
             |                                 
            
                18,160
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2017
             | 
            
                -0.20 / -0.36%
             |             
            
                55.00
             |           
            
                55.40
             |               
            
                53.90
             |                           
            
                55.00
             | 
            
                54.70
             |                     
            
                27.55
             |                                 
            
                13,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2017
             | 
            
                +1.00 / +1.85%
             |             
            
                54.10
             |           
            
                55.40
             |               
            
                53.60
             |                           
            
                55.20
             | 
            
                54.35
             |                     
            
                27.65
             |                                 
            
                8,850
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2017
             | 
            
                -0.30 / -0.55%
             |             
            
                54.60
             |           
            
                54.60
             |               
            
                53.50
             |                           
            
                54.20
             | 
            
                53.89
             |                     
            
                27.15
             |                                 
            
                11,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2017
             | 
            
                +1.10 / +2.06%
             |             
            
                54.00
             |           
            
                54.90
             |               
            
                53.40
             |                           
            
                54.50
             | 
            
                53.75
             |                     
            
                27.30
             |                                 
            
                11,610
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2017
             | 
            
                -0.40 / -0.74%
             |             
            
                53.80
             |           
            
                53.80
             |               
            
                53.10
             |                           
            
                53.40
             | 
            
                53.50
             |                     
            
                26.74
             |                                 
            
                22,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                53.80
             |           
            
                54.00
             |               
            
                53.50
             |                           
            
                53.80
             | 
            
                53.65
             |                     
            
                26.94
             |                                 
            
                45,590
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2017
             | 
            
                -1.20 / -2.18%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                53.10
             |                           
            
                53.80
             | 
            
                54.41
             |                     
            
                26.94
             |                                 
            
                42,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2017
             | 
            
                -0.70 / -1.26%
             |             
            
                55.70
             |           
            
                55.80
             |               
            
                54.50
             |                           
            
                55.00
             | 
            
                55.34
             |                     
            
                27.55
             |                                 
            
                26,760
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2017
             | 
            
                -1.20 / -2.11%
             |             
            
                56.00
             |           
            
                56.80
             |               
            
                55.70
             |                           
            
                55.70
             | 
            
                55.94
             |                     
            
                27.90
             |                                 
            
                24,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2017
             | 
            
                +0.70 / +1.25%
             |             
            
                56.50
             |           
            
                56.90
             |               
            
                55.90
             |                           
            
                56.90
             | 
            
                56.36
             |                     
            
                28.50
             |                                 
            
                12,350
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2017
             | 
            
                -0.80 / -1.40%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                56.20
             |                           
            
                56.20
             | 
            
                56.36
             |                     
            
                28.15
             |                                 
            
                4,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                57.20
             |               
            
                56.10
             |                           
            
                57.00
             | 
            
                56.81
             |                     
            
                28.55
             |                                 
            
                16,880
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2017
             | 
            
                +0.30 / +0.53%
             |             
            
                56.70
             |           
            
                57.00
             |               
            
                55.90
             |                           
            
                57.00
             | 
            
                56.33
             |                     
            
                28.55
             |                                 
            
                11,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2017
             | 
            
                -0.10 / -0.18%
             |             
            
                56.00
             |           
            
                57.00
             |               
            
                55.80
             |                           
            
                56.70
             | 
            
                55.97
             |                     
            
                28.40
             |                                 
            
                11,470
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                56.70
             |           
            
                56.80
             |               
            
                56.00
             |                           
            
                56.80
             | 
            
                56.20
             |                     
            
                28.45
             |                                 
            
                8,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2017
             | 
            
                -0.20 / -0.35%
             |             
            
                56.50
             |           
            
                57.00
             |               
            
                55.50
             |                           
            
                56.80
             | 
            
                56.40
             |                     
            
                28.45
             |                                 
            
                10,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2017
             | 
            
                0.00 / 0.00%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                54.00
             |                           
            
                57.00
             | 
            
                56.15
             |                     
            
                28.55
             |                                 
            
                25,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2017
             | 
            
                -0.90 / -1.55%
             |             
            
                57.30
             |           
            
                57.70
             |               
            
                56.60
             |                           
            
                57.00
             | 
            
                56.87
             |                     
            
                28.55
             |                                 
            
                13,750
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2017
             | 
            
                +0.40 / +0.70%
             |             
            
                56.60
             |           
            
                57.90
             |               
            
                56.60
             |                           
            
                57.90
             | 
            
                57.18
             |                     
            
                29.00
             |                                 
            
                4,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2017
             | 
            
                -0.20 / -0.35%
             |             
            
                57.00
             |           
            
                57.70
             |               
            
                56.50
             |                           
            
                57.50
             | 
            
                56.93
             |                     
            
                28.80
             |                                 
            
                28,440
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2017
             | 
            
                -0.20 / -0.35%
             |             
            
                57.10
             |           
            
                57.90
             |               
            
                56.70
             |                           
            
                57.70
             | 
            
                57.12
             |                     
            
                28.90
             |                                 
            
                24,580
             |  
            
                 
             |                                                              
             
    
         
    
    
 |