| 
                 
                    Closing price on 6/11/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    38.60 | 
                 
                
                    | High | 
                    38.60 | 
                 
                
                    | Low | 
                    38.00 | 
                     
                
                    | Volume | 
                    2,700 | 
                                 
                
                    | Split-adjusted Price | 
                    33.33 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/11/2018
             | 
            
                -1.20 / -3.05%
             |             
            
                38.60
             |           
            
                38.60
             |               
            
                38.00
             |                           
            
                38.10
             | 
            
                38.13
             |                     
            
                33.33
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2018
             | 
            
                +1.20 / +3.13%
             |             
            
                38.50
             |           
            
                39.80
             |               
            
                38.50
             |                           
            
                39.50
             | 
            
                39.28
             |                     
            
                34.56
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2018
             | 
            
                +0.30 / +0.79%
             |             
            
                38.00
             |           
            
                38.30
             |               
            
                38.00
             |                           
            
                38.30
             | 
            
                38.20
             |                     
            
                33.51
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2018
             | 
            
                +0.50 / +1.33%
             |             
            
                37.60
             |           
            
                38.00
             |               
            
                37.60
             |                           
            
                38.00
             | 
            
                37.73
             |                     
            
                33.25
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2018
             | 
            
                +1.00 / +2.74%
             |             
            
                37.00
             |           
            
                39.00
             |               
            
                37.00
             |                           
            
                37.50
             | 
            
                37.07
             |                     
            
                32.81
             |                                 
            
                20,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2018
             | 
            
                +0.10 / +0.27%
             |             
            
                36.50
             |           
            
                36.70
             |               
            
                36.40
             |                           
            
                36.50
             | 
            
                36.49
             |                     
            
                31.93
             |                                 
            
                17,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2018
             | 
            
                -0.50 / -1.37%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.44
             |                     
            
                31.50
             |                                 
            
                38,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2018
             | 
            
                0.00 / 0.00%
             |             
            
                36.10
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                36.50
             | 
            
                36.53
             |                     
            
                31.93
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2018
             | 
            
                -0.60 / -1.62%
             |             
            
                37.30
             |           
            
                37.30
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                37.21
             |                     
            
                31.93
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2018
             | 
            
                -1.90 / -4.87%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                37.10
             |                           
            
                37.10
             | 
            
                37.33
             |                     
            
                32.46
             |                                 
            
                18,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2018
             | 
            
                -0.90 / -2.26%
             |             
            
                39.90
             |           
            
                39.90
             |               
            
                38.00
             |                           
            
                39.00
             | 
            
                39.09
             |                     
            
                34.12
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2018
             | 
            
                -1.50 / -3.66%
             |             
            
                40.00
             |           
            
                40.00
             |               
            
                39.50
             |                           
            
                39.50
             | 
            
                39.85
             |                     
            
                34.56
             |                                 
            
                10,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2018
             | 
            
                -0.20 / -0.49%
             |             
            
                41.20
             |           
            
                41.20
             |               
            
                41.00
             |                           
            
                41.00
             | 
            
                41.12
             |                     
            
                35.87
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2018
             | 
            
                -2.50 / -5.72%
             |             
            
                41.20
             |           
            
                41.20
             |               
            
                41.20
             |                           
            
                41.20
             | 
            
                41.20
             |                     
            
                36.04
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2018
             | 
            
                -0.10 / -0.23%
             |             
            
                43.90
             |           
            
                43.90
             |               
            
                43.70
             |                           
            
                43.70
             | 
            
                43.81
             |                     
            
                35.96
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                43.80
             |                           
            
                43.80
             | 
            
                43.90
             |                     
            
                36.04
             |                                 
            
                9,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2018
             | 
            
                -1.00 / -2.22%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                43.50
             |                           
            
                44.00
             | 
            
                43.84
             |                     
            
                36.21
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.50
             |           
            
                45.50
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.03
             |                     
            
                37.03
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2018
             | 
            
                -1.00 / -2.17%
             |             
            
                45.80
             |           
            
                45.80
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.44
             |                     
            
                37.03
             |                                 
            
                9,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2018
             | 
            
                +1.00 / +2.22%
             |             
            
                45.00
             |           
            
                46.00
             |               
            
                45.00
             |                           
            
                46.00
             | 
            
                45.75
             |                     
            
                37.86
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2018
             | 
            
                +0.90 / +2.04%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                37.03
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2018
             | 
            
                +1.00 / +2.27%
             |             
            
                44.00
             |           
            
                45.00
             |               
            
                44.00
             |                           
            
                45.00
             | 
            
                44.08
             |                     
            
                37.03
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2018
             | 
            
                +0.10 / +0.23%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                36.21
             |                                 
            
                7,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2018
             | 
            
                +0.40 / +0.92%
             |             
            
                43.80
             |           
            
                44.00
             |               
            
                43.80
             |                           
            
                43.90
             | 
            
                43.98
             |                     
            
                36.13
             |                                 
            
                9,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2018
             | 
            
                -0.50 / -1.14%
             |             
            
                44.00
             |           
            
                44.50
             |               
            
                43.50
             |                           
            
                43.50
             | 
            
                44.01
             |                     
            
                35.80
             |                                 
            
                42,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2018
             | 
            
                +0.50 / +1.15%
             |             
            
                43.50
             |           
            
                44.00
             |               
            
                43.00
             |                           
            
                44.00
             | 
            
                43.30
             |                     
            
                36.21
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2018
             | 
            
                +2.90 / +7.06%
             |             
            
                42.50
             |           
            
                44.00
             |               
            
                42.50
             |                           
            
                44.00
             | 
            
                43.53
             |                     
            
                36.21
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2018
             | 
            
                -2.90 / -6.59%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                41.00
             |                           
            
                41.10
             | 
            
                42.18
             |                     
            
                33.82
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2018
             | 
            
                -1.00 / -2.22%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                36.21
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                37.03
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |