| 
                 
                    Closing price on 12/5/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    49.00 | 
                 
                
                    | High | 
                    49.00 | 
                 
                
                    | Low | 
                    48.70 | 
                     
                
                    | Volume | 
                    7,500 | 
                                 
                
                    | Split-adjusted Price | 
                    40.32 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/5/2017
             | 
            
                -0.10 / -0.20%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                48.70
             |                           
            
                49.00
             | 
            
                48.92
             |                     
            
                40.32
             |                                 
            
                7,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.10
             |           
            
                49.10
             |               
            
                49.00
             |                           
            
                49.10
             | 
            
                49.05
             |                     
            
                40.41
             |                                 
            
                4,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2017
             | 
            
                -0.20 / -0.41%
             |             
            
                49.20
             |           
            
                49.20
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.07
             |                     
            
                40.32
             |                                 
            
                1,265
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2017
             | 
            
                +0.20 / +0.41%
             |             
            
                49.20
             |           
            
                49.20
             |               
            
                49.20
             |                           
            
                49.20
             | 
            
                49.20
             |                     
            
                40.49
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                40.32
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                40.32
             |                                 
            
                1,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                48.90
             |                           
            
                49.00
             | 
            
                49.05
             |                     
            
                40.32
             |                                 
            
                1,960
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2017
             | 
            
                +0.50 / +1.03%
             |             
            
                48.90
             |           
            
                49.00
             |               
            
                48.90
             |                           
            
                49.00
             | 
            
                48.97
             |                     
            
                40.32
             |                                 
            
                1,565
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2017
             | 
            
                +0.30 / +0.62%
             |             
            
                48.20
             |           
            
                49.50
             |               
            
                48.00
             |                           
            
                48.50
             | 
            
                48.87
             |                     
            
                39.91
             |                                 
            
                7,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2017
             | 
            
                +0.50 / +1.05%
             |             
            
                48.00
             |           
            
                48.30
             |               
            
                47.80
             |                           
            
                48.20
             | 
            
                47.99
             |                     
            
                39.67
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2017
             | 
            
                -0.40 / -0.83%
             |             
            
                48.00
             |           
            
                49.00
             |               
            
                47.70
             |                           
            
                47.70
             | 
            
                48.01
             |                     
            
                39.25
             |                                 
            
                4,785
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.10
             |               
            
                47.00
             |                           
            
                48.10
             | 
            
                47.85
             |                     
            
                39.58
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2017
             | 
            
                +0.30 / +0.63%
             |             
            
                47.90
             |           
            
                49.50
             |               
            
                47.90
             |                           
            
                48.00
             | 
            
                48.12
             |                     
            
                39.50
             |                                 
            
                10,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                47.60
             |           
            
                47.70
             |               
            
                47.60
             |                           
            
                47.70
             | 
            
                47.66
             |                     
            
                39.25
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2017
             | 
            
                +0.40 / +0.85%
             |             
            
                47.60
             |           
            
                47.70
             |               
            
                47.50
             |                           
            
                47.70
             | 
            
                47.60
             |                     
            
                39.25
             |                                 
            
                2,650
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2017
             | 
            
                -0.40 / -0.84%
             |             
            
                47.70
             |           
            
                47.70
             |               
            
                47.30
             |                           
            
                47.30
             | 
            
                47.56
             |                     
            
                38.93
             |                                 
            
                8,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2017
             | 
            
                -0.10 / -0.21%
             |             
            
                47.80
             |           
            
                47.80
             |               
            
                47.70
             |                           
            
                47.70
             | 
            
                47.74
             |                     
            
                39.25
             |                                 
            
                7,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.20
             |                           
            
                47.20
             | 
            
                47.76
             |                     
            
                38.84
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2017
             | 
            
                0.00 / 0.00%
             |             
            
                47.20
             |           
            
                47.20
             |               
            
                47.20
             |                           
            
                47.20
             | 
            
                47.20
             |                     
            
                38.84
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                47.20
             |           
            
                47.20
             |               
            
                47.20
             |                           
            
                47.20
             | 
            
                47.20
             |                     
            
                38.84
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2017
             | 
            
                -0.20 / -0.42%
             |             
            
                47.20
             |           
            
                47.20
             |               
            
                47.20
             |                           
            
                47.20
             | 
            
                47.20
             |                     
            
                38.84
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2017
             | 
            
                -0.10 / -0.21%
             |             
            
                47.50
             |           
            
                47.50
             |               
            
                47.40
             |                           
            
                47.40
             | 
            
                47.46
             |                     
            
                39.01
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2017
             | 
            
                -1.10 / -2.29%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                47.49
             |                     
            
                38.68
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                48.10
             |                           
            
                48.10
             | 
            
                48.10
             |                     
            
                39.58
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2017
             | 
            
                +0.10 / +0.21%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                48.10
             |                           
            
                48.10
             | 
            
                48.10
             |                     
            
                39.58
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2017
             | 
            
                -0.10 / -0.21%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.06
             |                     
            
                39.50
             |                                 
            
                8,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2017
             | 
            
                -0.90 / -1.84%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                48.00
             |                           
            
                48.10
             | 
            
                48.14
             |                     
            
                39.58
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2017
             | 
            
                +0.10 / +0.20%
             |             
            
                48.90
             |           
            
                49.00
             |               
            
                48.90
             |                           
            
                49.00
             | 
            
                48.97
             |                     
            
                40.32
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2017
             | 
            
                +0.20 / +0.41%
             |             
            
                48.90
             |           
            
                48.90
             |               
            
                48.90
             |                           
            
                48.90
             | 
            
                48.90
             |                     
            
                40.24
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2017
             | 
            
                -0.30 / -0.61%
             |             
            
                49.00
             |           
            
                49.10
             |               
            
                48.70
             |                           
            
                48.70
             | 
            
                48.94
             |                     
            
                40.08
             |                                 
            
                6,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |