| 
                 
                    Closing price on 9/19/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    95.40 | 
                 
                
                    | High | 
                    100.00 | 
                 
                
                    | Low | 
                    95.40 | 
                     
                
                    | Volume | 
                    145,740 | 
                                 
                
                    | Split-adjusted Price | 
                    34.67 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/19/2016
             | 
            
                +3.60 / +3.77%
             |             
            
                95.40
             |           
            
                100.00
             |               
            
                95.40
             |                           
            
                99.00
             | 
            
                98.34
             |                     
            
                34.67
             |                                 
            
                145,740
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2016
             | 
            
                +3.40 / +3.70%
             |             
            
                94.00
             |           
            
                95.90
             |               
            
                93.50
             |                           
            
                95.40
             | 
            
                95.03
             |                     
            
                33.41
             |                                 
            
                87,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2016
             | 
            
                +0.50 / +0.55%
             |             
            
                91.50
             |           
            
                92.50
             |               
            
                91.50
             |                           
            
                92.00
             | 
            
                91.85
             |                     
            
                32.22
             |                                 
            
                46,990
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2016
             | 
            
                -0.50 / -0.54%
             |             
            
                92.00
             |           
            
                93.40
             |               
            
                91.50
             |                           
            
                91.50
             | 
            
                92.10
             |                     
            
                32.04
             |                                 
            
                59,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2016
             | 
            
                +1.00 / +1.10%
             |             
            
                93.00
             |           
            
                95.00
             |               
            
                91.00
             |                           
            
                92.00
             | 
            
                91.91
             |                     
            
                32.22
             |                                 
            
                39,670
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2016
             | 
            
                +1.00 / +1.11%
             |             
            
                89.00
             |           
            
                91.00
             |               
            
                88.50
             |                           
            
                91.00
             | 
            
                89.87
             |                     
            
                31.87
             |                                 
            
                83,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2016
             | 
            
                -0.50 / -0.55%
             |             
            
                91.00
             |           
            
                91.00
             |               
            
                89.00
             |                           
            
                90.00
             | 
            
                89.94
             |                     
            
                31.52
             |                                 
            
                74,620
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2016
             | 
            
                +2.50 / +2.84%
             |             
            
                88.00
             |           
            
                91.00
             |               
            
                87.50
             |                           
            
                90.50
             | 
            
                89.09
             |                     
            
                31.69
             |                                 
            
                178,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2016
             | 
            
                -3.00 / -3.30%
             |             
            
                89.50
             |           
            
                90.50
             |               
            
                87.50
             |                           
            
                88.00
             | 
            
                88.99
             |                     
            
                30.82
             |                                 
            
                56,410
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2016
             | 
            
                0.00 / 0.00%
             |             
            
                91.00
             |           
            
                91.50
             |               
            
                89.50
             |                           
            
                91.00
             | 
            
                90.14
             |                     
            
                31.87
             |                                 
            
                72,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2016
             | 
            
                +2.50 / +2.82%
             |             
            
                89.50
             |           
            
                91.00
             |               
            
                89.00
             |                           
            
                91.00
             | 
            
                89.53
             |                     
            
                31.87
             |                                 
            
                97,140
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2016
             | 
            
                +2.00 / +2.31%
             |             
            
                87.00
             |           
            
                88.50
             |               
            
                87.00
             |                           
            
                88.50
             | 
            
                87.69
             |                     
            
                30.99
             |                                 
            
                108,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2016
             | 
            
                +3.50 / +4.22%
             |             
            
                84.00
             |           
            
                86.50
             |               
            
                83.50
             |                           
            
                86.50
             | 
            
                85.70
             |                     
            
                30.29
             |                                 
            
                207,210
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2016
             | 
            
                +1.00 / +1.22%
             |             
            
                81.50
             |           
            
                83.00
             |               
            
                81.50
             |                           
            
                83.00
             | 
            
                82.36
             |                     
            
                29.07
             |                                 
            
                63,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                82.00
             |           
            
                82.00
             |               
            
                80.50
             |                           
            
                82.00
             | 
            
                81.35
             |                     
            
                28.72
             |                                 
            
                17,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                82.50
             |           
            
                82.50
             |               
            
                82.00
             |                           
            
                82.00
             | 
            
                82.12
             |                     
            
                28.72
             |                                 
            
                22,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2016
             | 
            
                +2.00 / +2.50%
             |             
            
                80.50
             |           
            
                83.00
             |               
            
                80.00
             |                           
            
                82.00
             | 
            
                82.07
             |                     
            
                28.72
             |                                 
            
                73,610
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2016
             | 
            
                -2.00 / -2.44%
             |             
            
                82.00
             |           
            
                82.50
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.62
             |                     
            
                28.02
             |                                 
            
                97,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2016
             | 
            
                -0.50 / -0.61%
             |             
            
                82.50
             |           
            
                83.00
             |               
            
                81.50
             |                           
            
                82.00
             | 
            
                82.19
             |                     
            
                28.72
             |                                 
            
                49,870
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2016
             | 
            
                -1.00 / -1.20%
             |             
            
                83.00
             |           
            
                83.00
             |               
            
                82.00
             |                           
            
                82.50
             | 
            
                82.30
             |                     
            
                28.89
             |                                 
            
                23,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2016
             | 
            
                -1.50 / -1.76%
             |             
            
                86.00
             |           
            
                86.00
             |               
            
                83.50
             |                           
            
                83.50
             | 
            
                84.25
             |                     
            
                29.24
             |                                 
            
                32,060
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2016
             | 
            
                +1.00 / +1.19%
             |             
            
                84.50
             |           
            
                86.50
             |               
            
                84.00
             |                           
            
                85.00
             | 
            
                85.03
             |                     
            
                29.77
             |                                 
            
                51,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2016
             | 
            
                +1.50 / +1.82%
             |             
            
                82.50
             |           
            
                84.50
             |               
            
                82.00
             |                           
            
                84.00
             | 
            
                82.64
             |                     
            
                29.42
             |                                 
            
                41,370
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2016
             | 
            
                +1.00 / +1.23%
             |             
            
                80.50
             |           
            
                83.00
             |               
            
                80.50
             |                           
            
                82.50
             | 
            
                81.72
             |                     
            
                28.89
             |                                 
            
                202,032
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2016
             | 
            
                +2.50 / +3.16%
             |             
            
                79.00
             |           
            
                81.50
             |               
            
                78.00
             |                           
            
                81.50
             | 
            
                79.74
             |                     
            
                28.54
             |                                 
            
                87,450
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2016
             | 
            
                -1.00 / -1.25%
             |             
            
                81.00
             |           
            
                81.00
             |               
            
                78.50
             |                           
            
                79.00
             | 
            
                79.25
             |                     
            
                27.67
             |                                 
            
                25,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2016
             | 
            
                -1.50 / -1.84%
             |             
            
                82.00
             |           
            
                82.00
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.78
             |                     
            
                28.02
             |                                 
            
                23,980
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2016
             | 
            
                +2.00 / +2.52%
             |             
            
                79.50
             |           
            
                81.50
             |               
            
                79.50
             |                           
            
                81.50
             | 
            
                80.46
             |                     
            
                28.54
             |                                 
            
                21,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2016
             | 
            
                +2.00 / +2.58%
             |             
            
                77.50
             |           
            
                79.50
             |               
            
                77.00
             |                           
            
                79.50
             | 
            
                78.31
             |                     
            
                27.84
             |                                 
            
                16,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2016
             | 
            
                -4.00 / -4.91%
             |             
            
                81.50
             |           
            
                81.50
             |               
            
                77.00
             |                           
            
                77.50
             | 
            
                78.24
             |                     
            
                27.14
             |                                 
            
                62,220
             |  
            
                 
             |                                                              
             
    
         
    
    
 |