| 
                 
                    Closing price on 6/16/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    58.00 | 
                 
                
                    | High | 
                    58.00 | 
                 
                
                    | Low | 
                    58.00 | 
                     
                
                    | Volume | 
                    1,109 | 
                                 
                
                    | Split-adjusted Price | 
                    32.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/16/2017
             | 
            
                +0.50 / +0.87%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                32.80
             |                                 
            
                1,109
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2017
             | 
            
                0.00 / 0.00%
             |             
            
                57.90
             |           
            
                57.90
             |               
            
                57.50
             |                           
            
                57.50
             | 
            
                57.76
             |                     
            
                32.51
             |                                 
            
                1,251
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2017
             | 
            
                -1.50 / -2.54%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                57.50
             |                           
            
                57.50
             | 
            
                57.86
             |                     
            
                32.51
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2017
             | 
            
                +2.00 / +3.51%
             |             
            
                57.50
             |           
            
                59.00
             |               
            
                57.50
             |                           
            
                59.00
             | 
            
                58.92
             |                     
            
                33.36
             |                                 
            
                10,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                32.23
             |                                 
            
                5
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2017
             | 
            
                +1.00 / +1.79%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                32.23
             |                                 
            
                2,505
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2017
             | 
            
                -0.50 / -0.88%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.96
             |                     
            
                31.67
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2017
             | 
            
                -1.10 / -1.91%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                56.50
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                31.95
             |                                 
            
                141
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2017
             | 
            
                +0.10 / +0.17%
             |             
            
                57.50
             |           
            
                58.00
             |               
            
                57.50
             |                           
            
                57.60
             | 
            
                57.80
             |                     
            
                32.57
             |                                 
            
                3,429
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2017
             | 
            
                +0.60 / +1.05%
             |             
            
                57.00
             |           
            
                57.50
             |               
            
                57.00
             |                           
            
                57.50
             | 
            
                57.37
             |                     
            
                32.51
             |                                 
            
                6,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2017
             | 
            
                +0.40 / +0.70%
             |             
            
                57.00
             |           
            
                57.40
             |               
            
                57.00
             |                           
            
                57.40
             | 
            
                57.20
             |                     
            
                32.46
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2017
             | 
            
                +0.50 / +0.88%
             |             
            
                56.20
             |           
            
                57.00
             |               
            
                56.20
             |                           
            
                57.00
             | 
            
                56.97
             |                     
            
                32.23
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2017
             | 
            
                +1.20 / +2.17%
             |             
            
                55.50
             |           
            
                56.50
             |               
            
                55.50
             |                           
            
                56.50
             | 
            
                56.20
             |                     
            
                31.95
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2017
             | 
            
                +0.30 / +0.55%
             |             
            
                55.20
             |           
            
                56.50
             |               
            
                55.20
             |                           
            
                55.30
             | 
            
                55.39
             |                     
            
                31.27
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2017
             | 
            
                -1.00 / -1.79%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.16
             |                     
            
                31.10
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2017
             | 
            
                +1.00 / +1.82%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                31.67
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2017
             | 
            
                -4.00 / -6.78%
             |             
            
                54.00
             |           
            
                57.00
             |               
            
                54.00
             |                           
            
                55.00
             | 
            
                55.25
             |                     
            
                31.10
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2017
             | 
            
                -0.90 / -1.50%
             |             
            
                59.50
             |           
            
                59.50
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.35
             |                     
            
                31.68
             |                                 
            
                1,503
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2017
             | 
            
                -0.30 / -0.50%
             |             
            
                59.10
             |           
            
                59.90
             |               
            
                59.00
             |                           
            
                59.90
             | 
            
                59.13
             |                     
            
                32.16
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2017
             | 
            
                +0.20 / +0.33%
             |             
            
                60.50
             |           
            
                60.80
             |               
            
                60.20
             |                           
            
                60.20
             | 
            
                60.38
             |                     
            
                32.32
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                60.50
             |               
            
                59.50
             |                           
            
                60.00
             | 
            
                60.03
             |                     
            
                32.21
             |                                 
            
                8,720
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2017
             | 
            
                -0.50 / -0.83%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.12
             |                     
            
                32.21
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                60.50
             |                           
            
                60.50
             | 
            
                60.65
             |                     
            
                32.48
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2017
             | 
            
                +0.90 / +1.51%
             |             
            
                60.00
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                60.50
             | 
            
                60.64
             |                     
            
                32.48
             |                                 
            
                10,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2017
             | 
            
                +0.60 / +1.02%
             |             
            
                59.00
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.60
             | 
            
                59.58
             |                     
            
                32.00
             |                                 
            
                9,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2017
             | 
            
                +0.50 / +0.85%
             |             
            
                58.80
             |           
            
                59.00
             |               
            
                58.80
             |                           
            
                59.00
             | 
            
                58.98
             |                     
            
                31.68
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2017
             | 
            
                -0.30 / -0.51%
             |             
            
                58.90
             |           
            
                58.90
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.83
             |                     
            
                31.41
             |                                 
            
                648
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2017
             | 
            
                -0.20 / -0.34%
             |             
            
                58.80
             |           
            
                59.00
             |               
            
                58.70
             |                           
            
                58.80
             | 
            
                58.90
             |                     
            
                31.57
             |                                 
            
                2,715
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2017
             | 
            
                +0.80 / +1.37%
             |             
            
                58.60
             |           
            
                59.00
             |               
            
                58.60
             |                           
            
                59.00
             | 
            
                58.84
             |                     
            
                31.68
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2017
             | 
            
                -0.80 / -1.36%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.20
             |                           
            
                58.20
             | 
            
                58.50
             |                     
            
                31.25
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |