| 
                 
                    Closing price on 9/15/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    48.00 | 
                 
                
                    | High | 
                    48.00 | 
                 
                
                    | Low | 
                    48.00 | 
                     
                
                    | Volume | 
                    200 | 
                                 
                
                    | Split-adjusted Price | 
                    39.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2017
             | 
            
                -0.50 / -1.02%
             |             
            
                48.90
             |           
            
                48.90
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                48.75
             |                     
            
                38.32
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                2,750
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2017
             | 
            
                -0.20 / -0.41%
             |             
            
                49.00
             |           
            
                49.20
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.01
             |                     
            
                38.71
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2017
             | 
            
                +0.20 / +0.41%
             |             
            
                49.00
             |           
            
                49.20
             |               
            
                49.00
             |                           
            
                49.20
             | 
            
                49.04
             |                     
            
                38.87
             |                                 
            
                7,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2017
             | 
            
                +0.50 / +1.03%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                38.71
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2017
             | 
            
                -1.10 / -2.22%
             |             
            
                49.00
             |           
            
                49.10
             |               
            
                48.50
             |                           
            
                48.50
             | 
            
                49.01
             |                     
            
                38.32
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2017
             | 
            
                +0.10 / +0.20%
             |             
            
                49.50
             |           
            
                49.60
             |               
            
                49.50
             |                           
            
                49.60
             | 
            
                49.53
             |                     
            
                39.19
             |                                 
            
                3,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2017
             | 
            
                +1.50 / +3.13%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                49.00
             |                           
            
                49.50
             | 
            
                49.50
             |                     
            
                39.11
             |                                 
            
                5,970
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2017
             | 
            
                -2.00 / -4.00%
             |             
            
                50.00
             |           
            
                52.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                49.37
             |                     
            
                37.92
             |                                 
            
                9,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2017
             | 
            
                -16.60 / -24.92%
             |             
            
                48.70
             |           
            
                50.00
             |               
            
                48.20
             |                           
            
                50.00
             | 
            
                49.11
             |                     
            
                39.50
             |                                 
            
                12,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2017
             | 
            
                -1.40 / -2.06%
             |             
            
                67.00
             |           
            
                68.00
             |               
            
                66.60
             |                           
            
                66.60
             | 
            
                67.17
             |                     
            
                37.66
             |                                 
            
                6,228
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2017
             | 
            
                +1.20 / +1.80%
             |             
            
                66.80
             |           
            
                68.50
             |               
            
                66.80
             |                           
            
                68.00
             | 
            
                67.92
             |                     
            
                38.45
             |                                 
            
                21,130
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2017
             | 
            
                +0.50 / +0.75%
             |             
            
                67.20
             |           
            
                68.00
             |               
            
                66.40
             |                           
            
                67.00
             | 
            
                66.75
             |                     
            
                37.89
             |                                 
            
                3,785
             |  
            
                 
             |                                                              
             
    
         
    
    
 |