| 
                 
                    Closing price on 3/7/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    49.00 | 
                 
                
                    | High | 
                    49.00 | 
                 
                
                    | Low | 
                    49.00 | 
                     
                
                    | Volume | 
                    1,169 | 
                                 
                
                    | Split-adjusted Price | 
                    40.32 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2018
             | 
            
                -0.40 / -0.83%
             |             
            
                48.40
             |           
            
                48.40
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.27
             |                     
            
                39.50
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2018
             | 
            
                +1.00 / +2.11%
             |             
            
                48.00
             |           
            
                48.50
             |               
            
                48.00
             |                           
            
                48.50
             | 
            
                48.34
             |                     
            
                39.91
             |                                 
            
                823
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2018
             | 
            
                -0.40 / -0.84%
             |             
            
                46.10
             |           
            
                47.50
             |               
            
                46.10
             |                           
            
                47.50
             | 
            
                46.84
             |                     
            
                39.09
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2018
             | 
            
                -0.10 / -0.21%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.70
             |                           
            
                47.90
             | 
            
                47.94
             |                     
            
                39.42
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                39.50
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2018
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                39.50
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2018
             | 
            
                +0.30 / +0.63%
             |             
            
                47.00
             |           
            
                48.00
             |               
            
                41.00
             |                           
            
                48.00
             | 
            
                44.29
             |                     
            
                39.50
             |                                 
            
                5,640
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2018
             | 
            
                -0.20 / -0.42%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.70
             |                           
            
                47.70
             | 
            
                47.83
             |                     
            
                39.25
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2018
             | 
            
                -1.20 / -2.45%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.80
             |                           
            
                47.80
             | 
            
                47.93
             |                     
            
                39.34
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2018
             | 
            
                0.00 / 0.00%
             |             
            
                48.70
             |           
            
                49.00
             |               
            
                48.50
             |                           
            
                49.00
             | 
            
                48.52
             |                     
            
                40.32
             |                                 
            
                11,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2018
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                48.00
             |                           
            
                49.00
             | 
            
                48.69
             |                     
            
                40.32
             |                                 
            
                1,536
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2018
             | 
            
                -1.00 / -2.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                40.32
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2018
             | 
            
                +0.30 / +0.60%
             |             
            
                48.50
             |           
            
                50.00
             |               
            
                47.00
             |                           
            
                50.00
             | 
            
                48.83
             |                     
            
                41.15
             |                                 
            
                4,520
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2018
             | 
            
                -2.00 / -3.92%
             |             
            
                51.00
             |           
            
                51.20
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.74
             |                     
            
                40.32
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2018
             | 
            
                -0.10 / -0.20%
             |             
            
                51.20
             |           
            
                52.00
             |               
            
                51.00
             |                           
            
                51.00
             | 
            
                51.53
             |                     
            
                41.97
             |                                 
            
                5,425
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2018
             | 
            
                +0.90 / +1.79%
             |             
            
                50.20
             |           
            
                51.10
             |               
            
                50.00
             |                           
            
                51.10
             | 
            
                50.19
             |                     
            
                42.05
             |                                 
            
                8,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2018
             | 
            
                +1.70 / +3.51%
             |             
            
                48.50
             |           
            
                50.50
             |               
            
                48.50
             |                           
            
                50.20
             | 
            
                49.27
             |                     
            
                41.31
             |                                 
            
                20,739
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2018
             | 
            
                +0.10 / +0.21%
             |             
            
                48.40
             |           
            
                48.50
             |               
            
                48.30
             |                           
            
                48.50
             | 
            
                48.44
             |                     
            
                39.91
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                48.40
             |           
            
                48.80
             |               
            
                48.30
             |                           
            
                48.30
             | 
            
                48.44
             |                     
            
                39.75
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2018
             | 
            
                -0.20 / -0.41%
             |             
            
                48.20
             |           
            
                48.30
             |               
            
                48.20
             |                           
            
                48.30
             | 
            
                48.27
             |                     
            
                39.75
             |                                 
            
                1,810
             |  
            
                 
             |                                                              
             
    
         
    
    
 |