| 
                 
                    Closing price on 2/21/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    35.10 | 
                 
                
                    | High | 
                    35.10 | 
                 
                
                    | Low | 
                    35.10 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    30.71 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/21/2019
             | 
            
                +0.10 / +0.29%
             |             
            
                35.10
             |           
            
                35.10
             |               
            
                35.10
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                30.71
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2019
             | 
            
                -1.00 / -2.78%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.15
             |                     
            
                30.62
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2019
             | 
            
                +0.20 / +0.56%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                31.50
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2019
             | 
            
                -0.20 / -0.56%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.96
             |                     
            
                31.32
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2019
             | 
            
                -0.40 / -1.10%
             |             
            
                36.10
             |           
            
                36.10
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.02
             |                     
            
                31.50
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2019
             | 
            
                +0.60 / +1.68%
             |             
            
                36.40
             |           
            
                36.40
             |               
            
                36.40
             |                           
            
                36.40
             | 
            
                36.40
             |                     
            
                31.85
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2019
             | 
            
                -2.20 / -5.79%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.86
             |                     
            
                31.32
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2019
             | 
            
                +3.00 / +8.57%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                38.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                33.25
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2019
             | 
            
                +0.30 / +0.86%
             |             
            
                34.40
             |           
            
                36.60
             |               
            
                34.40
             |                           
            
                35.00
             | 
            
                36.53
             |                     
            
                30.62
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                34.70
             |           
            
                34.70
             |               
            
                34.70
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                30.36
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2019
             | 
            
                0.00 / 0.00%
             |             
            
                34.70
             |           
            
                34.70
             |               
            
                34.70
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                30.36
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                34.70
             |           
            
                34.70
             |               
            
                34.70
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                30.36
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2019
             | 
            
                0.00 / 0.00%
             |             
            
                34.70
             |           
            
                34.70
             |               
            
                34.70
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                30.36
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2019
             | 
            
                +0.20 / +0.58%
             |             
            
                34.70
             |           
            
                34.70
             |               
            
                34.70
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                30.36
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2019
             | 
            
                +0.10 / +0.29%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                34.50
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                30.18
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2019
             | 
            
                +0.20 / +0.58%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                34.40
             |                           
            
                34.40
             | 
            
                34.41
             |                     
            
                30.10
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                34.30
             |           
            
                34.40
             |               
            
                34.20
             |                           
            
                34.20
             | 
            
                34.29
             |                     
            
                29.92
             |                                 
            
                6,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2019
             | 
            
                -0.80 / -2.29%
             |             
            
                34.60
             |           
            
                34.60
             |               
            
                34.20
             |                           
            
                34.20
             | 
            
                34.43
             |                     
            
                29.92
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2019
             | 
            
                +1.20 / +3.55%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                30.62
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2019
             | 
            
                -0.90 / -2.61%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                33.60
             |                           
            
                33.60
             | 
            
                33.78
             |                     
            
                29.40
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2019
             | 
            
                -0.50 / -1.43%
             |             
            
                35.10
             |           
            
                35.10
             |               
            
                34.50
             |                           
            
                34.50
             | 
            
                34.77
             |                     
            
                30.18
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                35.30
             |           
            
                35.50
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.15
             |                     
            
                30.62
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                30.62
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2019
             | 
            
                +0.30 / +0.86%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                30.62
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2019
             | 
            
                -0.10 / -0.29%
             |             
            
                35.00
             |           
            
                35.60
             |               
            
                34.40
             |                           
            
                34.40
             | 
            
                34.67
             |                     
            
                30.10
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2019
             | 
            
                -0.50 / -1.43%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.00
             |                           
            
                34.50
             | 
            
                34.41
             |                     
            
                30.18
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2019
             | 
            
                -0.40 / -1.13%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                30.62
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2019
             | 
            
                +1.00 / +2.91%
             |             
            
                35.00
             |           
            
                35.40
             |               
            
                34.00
             |                           
            
                35.40
             | 
            
                34.42
             |                     
            
                30.97
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                34.40
             |           
            
                34.40
             |               
            
                34.40
             |                           
            
                34.40
             | 
            
                34.40
             |                     
            
                30.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2019
             | 
            
                -0.80 / -2.30%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.36
             |                     
            
                29.75
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |