| 
                 
                    Closing price on 4/4/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    48.00 | 
                 
                
                    | High | 
                    49.00 | 
                 
                
                    | Low | 
                    48.00 | 
                     
                
                    | Volume | 
                    1,500 | 
                                 
                
                    | Split-adjusted Price | 
                    39.91 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/4/2018
             | 
            
                -0.50 / -1.02%
             |             
            
                48.00
             |           
            
                49.00
             |               
            
                48.00
             |                           
            
                48.50
             | 
            
                48.73
             |                     
            
                39.91
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2018
             | 
            
                -0.40 / -0.81%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                40.32
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.40
             |           
            
                49.40
             |               
            
                49.40
             |                           
            
                49.40
             | 
            
                49.40
             |                     
            
                40.65
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2018
             | 
            
                -0.40 / -0.80%
             |             
            
                49.60
             |           
            
                49.60
             |               
            
                49.30
             |                           
            
                49.30
             | 
            
                49.40
             |                     
            
                40.57
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2018
             | 
            
                +0.60 / +1.22%
             |             
            
                49.90
             |           
            
                49.90
             |               
            
                49.60
             |                           
            
                49.70
             | 
            
                49.69
             |                     
            
                40.90
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2018
             | 
            
                +0.10 / +0.20%
             |             
            
                49.00
             |           
            
                49.10
             |               
            
                49.00
             |                           
            
                49.10
             | 
            
                49.06
             |                     
            
                40.41
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.10
             |               
            
                48.20
             |                           
            
                49.00
             | 
            
                48.87
             |                     
            
                40.32
             |                                 
            
                6,410
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2018
             | 
            
                +0.50 / +1.03%
             |             
            
                48.80
             |           
            
                49.00
             |               
            
                48.80
             |                           
            
                49.00
             | 
            
                48.93
             |                     
            
                40.32
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2018
             | 
            
                +0.20 / +0.42%
             |             
            
                48.00
             |           
            
                49.00
             |               
            
                48.00
             |                           
            
                48.20
             | 
            
                48.50
             |                     
            
                39.67
             |                                 
            
                3,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2018
             | 
            
                +1.40 / +3.00%
             |             
            
                47.50
             |           
            
                48.00
             |               
            
                47.50
             |                           
            
                48.00
             | 
            
                47.99
             |                     
            
                39.50
             |                                 
            
                5,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2018
             | 
            
                -2.70 / -5.48%
             |             
            
                48.90
             |           
            
                48.90
             |               
            
                46.00
             |                           
            
                46.60
             | 
            
                47.52
             |                     
            
                38.35
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2018
             | 
            
                +0.20 / +0.41%
             |             
            
                49.30
             |           
            
                49.30
             |               
            
                49.30
             |                           
            
                49.30
             | 
            
                49.30
             |                     
            
                40.57
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.10
             |           
            
                49.10
             |               
            
                49.10
             |                           
            
                49.10
             | 
            
                49.10
             |                     
            
                40.41
             |                                 
            
                1,020
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2018
             | 
            
                -0.10 / -0.20%
             |             
            
                49.10
             |           
            
                49.20
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.08
             |                     
            
                40.32
             |                                 
            
                2,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2018
             | 
            
                -0.10 / -0.20%
             |             
            
                49.30
             |           
            
                49.30
             |               
            
                49.00
             |                           
            
                49.10
             | 
            
                49.14
             |                     
            
                40.41
             |                                 
            
                6,650
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2018
             | 
            
                -0.30 / -0.61%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                49.20
             |                           
            
                49.20
             | 
            
                49.40
             |                     
            
                40.49
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.50
             |               
            
                49.00
             |                           
            
                49.50
             | 
            
                49.25
             |                     
            
                40.74
             |                                 
            
                2,050
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                49.50
             |                           
            
                49.50
             | 
            
                49.50
             |                     
            
                40.74
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2018
             | 
            
                +0.40 / +0.81%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                49.50
             |                           
            
                49.50
             | 
            
                49.50
             |                     
            
                40.74
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2018
             | 
            
                +0.10 / +0.20%
             |             
            
                49.00
             |           
            
                49.10
             |               
            
                49.00
             |                           
            
                49.10
             | 
            
                49.09
             |                     
            
                40.41
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                40.32
             |                                 
            
                1,169
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                48.70
             |           
            
                49.00
             |               
            
                48.70
             |                           
            
                49.00
             | 
            
                48.94
             |                     
            
                40.32
             |                                 
            
                1,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2018
             | 
            
                +0.50 / +1.03%
             |             
            
                48.50
             |           
            
                49.00
             |               
            
                48.50
             |                           
            
                49.00
             | 
            
                48.69
             |                     
            
                40.32
             |                                 
            
                4,459
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2018
             | 
            
                -0.90 / -1.82%
             |             
            
                48.40
             |           
            
                48.60
             |               
            
                48.40
             |                           
            
                48.60
             | 
            
                48.53
             |                     
            
                39.99
             |                                 
            
                1,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2018
             | 
            
                +1.00 / +2.06%
             |             
            
                48.50
             |           
            
                49.50
             |               
            
                48.50
             |                           
            
                49.50
             | 
            
                48.73
             |                     
            
                40.74
             |                                 
            
                5,219
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.50
             |                     
            
                39.91
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.50
             |                     
            
                39.91
             |                                 
            
                1,816
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2018
             | 
            
                -0.10 / -0.21%
             |             
            
                48.50
             |           
            
                48.60
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.54
             |                     
            
                39.91
             |                                 
            
                2,704
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2018
             | 
            
                +0.20 / +0.41%
             |             
            
                48.50
             |           
            
                48.60
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.57
             |                     
            
                39.91
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2018
             | 
            
                +0.30 / +0.63%
             |             
            
                48.00
             |           
            
                48.30
             |               
            
                48.00
             |                           
            
                48.30
             | 
            
                48.18
             |                     
            
                39.75
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |