| 
                 
                    Closing price on 10/16/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    49.70 | 
                 
                
                    | High | 
                    49.70 | 
                 
                
                    | Low | 
                    49.50 | 
                     
                
                    | Volume | 
                    3,600 | 
                                 
                
                    | Split-adjusted Price | 
                    40.74 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/16/2017
             | 
            
                -0.20 / -0.40%
             |             
            
                49.70
             |           
            
                49.70
             |               
            
                49.50
             |                           
            
                49.50
             | 
            
                49.51
             |                     
            
                40.74
             |                                 
            
                3,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2017
             | 
            
                -0.30 / -0.60%
             |             
            
                49.70
             |           
            
                49.70
             |               
            
                49.70
             |                           
            
                49.70
             | 
            
                49.70
             |                     
            
                40.90
             |                                 
            
                39
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.50
             |           
            
                50.00
             |               
            
                49.50
             |                           
            
                50.00
             | 
            
                49.67
             |                     
            
                41.15
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                41.15
             |                                 
            
                527
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2017
             | 
            
                +0.80 / +1.63%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                41.15
             |                                 
            
                1,032
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2017
             | 
            
                +0.20 / +0.41%
             |             
            
                49.00
             |           
            
                49.20
             |               
            
                49.00
             |                           
            
                49.20
             | 
            
                49.10
             |                     
            
                40.49
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.10
             |           
            
                49.10
             |               
            
                48.90
             |                           
            
                49.10
             | 
            
                49.00
             |                     
            
                40.41
             |                                 
            
                2,150
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2017
             | 
            
                -0.90 / -1.80%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                49.10
             |                           
            
                49.10
             | 
            
                49.37
             |                     
            
                40.41
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2017
             | 
            
                +1.50 / +3.09%
             |             
            
                49.00
             |           
            
                50.00
             |               
            
                49.00
             |                           
            
                50.00
             | 
            
                49.68
             |                     
            
                41.15
             |                                 
            
                9,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.60
             |           
            
                48.60
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.51
             |                     
            
                39.91
             |                                 
            
                6,467
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2017
             | 
            
                +0.50 / +1.04%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.50
             |                     
            
                39.91
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.20
             |           
            
                48.20
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.04
             |                     
            
                39.50
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.20
             |           
            
                48.20
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.02
             |                     
            
                39.50
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                39.50
             |                                 
            
                2,767
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2017
             | 
            
                -0.60 / -1.23%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                39.50
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2017
             | 
            
                +0.50 / +1.04%
             |             
            
                48.50
             |           
            
                48.90
             |               
            
                48.50
             |                           
            
                48.60
             | 
            
                48.60
             |                     
            
                39.99
             |                                 
            
                4,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2017
             | 
            
                +0.60 / +1.25%
             |             
            
                48.00
             |           
            
                48.50
             |               
            
                48.00
             |                           
            
                48.50
             | 
            
                48.06
             |                     
            
                39.91
             |                                 
            
                1,551
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2017
             | 
            
                -0.20 / -0.42%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.90
             |                           
            
                47.90
             | 
            
                47.93
             |                     
            
                39.42
             |                                 
            
                2,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2017
             | 
            
                +0.10 / +0.21%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                48.10
             |                           
            
                48.10
             | 
            
                48.10
             |                     
            
                39.58
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.50
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.08
             |                     
            
                39.50
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                39.50
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2017
             | 
            
                -2.00 / -4.00%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                39.50
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2017
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                39.50
             |                                 
            
                50
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2017
             | 
            
                +0.40 / +0.81%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                39.50
             |                                 
            
                550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2017
             | 
            
                +0.40 / +0.81%
             |             
            
                50.00
             |           
            
                50.10
             |               
            
                49.60
             |                           
            
                49.60
             | 
            
                49.97
             |                     
            
                39.19
             |                                 
            
                15,150
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                49.20
             |                           
            
                49.20
             | 
            
                49.63
             |                     
            
                38.87
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2017
             | 
            
                -1.50 / -2.94%
             |             
            
                49.20
             |           
            
                49.50
             |               
            
                48.50
             |                           
            
                49.50
             | 
            
                49.17
             |                     
            
                39.11
             |                                 
            
                16,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2017
             | 
            
                +2.80 / +5.81%
             |             
            
                49.00
             |           
            
                51.00
             |               
            
                48.90
             |                           
            
                51.00
             | 
            
                49.07
             |                     
            
                40.29
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2017
             | 
            
                -0.30 / -0.62%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                48.20
             |                           
            
                48.20
             | 
            
                48.23
             |                     
            
                38.08
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2017
             | 
            
                -0.30 / -0.61%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.58
             |                     
            
                38.32
             |                                 
            
                1,305
             |  
            
                 
             |                                                              
             
    
         
    
    
 |