| 
                 
                    Closing price on 4/11/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    58.60 | 
                 
                
                    | High | 
                    58.60 | 
                 
                
                    | Low | 
                    58.60 | 
                     
                
                    | Volume | 
                    1,000 | 
                                 
                
                    | Split-adjusted Price | 
                    31.46 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/11/2017
             | 
            
                +0.10 / +0.17%
             |             
            
                58.60
             |           
            
                58.60
             |               
            
                58.60
             |                           
            
                58.60
             | 
            
                58.60
             |                     
            
                31.46
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2017
             | 
            
                +0.10 / +0.17%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                31.41
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2017
             | 
            
                -0.30 / -0.51%
             |             
            
                58.90
             |           
            
                58.90
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.38
             |                     
            
                31.14
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2017
             | 
            
                -0.90 / -1.53%
             |             
            
                58.70
             |           
            
                58.70
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.33
             |                     
            
                31.14
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2017
             | 
            
                +0.40 / +0.68%
             |             
            
                58.50
             |           
            
                59.00
             |               
            
                58.50
             |                           
            
                58.90
             | 
            
                58.75
             |                     
            
                31.62
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                58.50
             |           
            
                58.90
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.53
             |                     
            
                31.41
             |                                 
            
                14,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2017
             | 
            
                -0.20 / -0.34%
             |             
            
                58.70
             |           
            
                58.70
             |               
            
                58.00
             |                           
            
                58.50
             | 
            
                58.53
             |                     
            
                31.41
             |                                 
            
                1,410
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2017
             | 
            
                +0.70 / +1.21%
             |             
            
                58.70
             |           
            
                58.70
             |               
            
                58.70
             |                           
            
                58.70
             | 
            
                58.70
             |                     
            
                31.51
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2017
             | 
            
                -1.90 / -3.17%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.64
             |                     
            
                31.14
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2017
             | 
            
                +0.90 / +1.53%
             |             
            
                60.70
             |           
            
                60.70
             |               
            
                59.00
             |                           
            
                59.90
             | 
            
                60.06
             |                     
            
                32.16
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2017
             | 
            
                +0.10 / +0.17%
             |             
            
                60.90
             |           
            
                60.90
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                60.48
             |                     
            
                31.68
             |                                 
            
                1,720
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2017
             | 
            
                +0.20 / +0.34%
             |             
            
                58.80
             |           
            
                59.40
             |               
            
                58.70
             |                           
            
                59.00
             | 
            
                58.90
             |                     
            
                31.68
             |                                 
            
                6,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2017
             | 
            
                -0.80 / -1.34%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.60
             |                           
            
                58.80
             | 
            
                58.80
             |                     
            
                31.57
             |                                 
            
                9,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2017
             | 
            
                +0.60 / +1.02%
             |             
            
                59.70
             |           
            
                59.70
             |               
            
                59.60
             |                           
            
                59.60
             | 
            
                59.63
             |                     
            
                32.00
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2017
             | 
            
                -0.50 / -0.84%
             |             
            
                59.70
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.68
             |                     
            
                31.68
             |                                 
            
                1,950
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2017
             | 
            
                +0.50 / +0.85%
             |             
            
                59.50
             |           
            
                60.00
             |               
            
                59.10
             |                           
            
                59.50
             | 
            
                59.68
             |                     
            
                31.94
             |                                 
            
                20,455
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2017
             | 
            
                +0.20 / +0.34%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                31.68
             |                                 
            
                3,820
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2017
             | 
            
                +0.10 / +0.17%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.80
             |                           
            
                58.80
             | 
            
                58.88
             |                     
            
                31.57
             |                                 
            
                3,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2017
             | 
            
                -0.30 / -0.51%
             |             
            
                58.50
             |           
            
                59.00
             |               
            
                58.50
             |                           
            
                58.70
             | 
            
                58.57
             |                     
            
                31.51
             |                                 
            
                8,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2017
             | 
            
                +0.20 / +0.34%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.80
             |                           
            
                59.00
             | 
            
                58.98
             |                     
            
                31.68
             |                                 
            
                11,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2017
             | 
            
                -1.10 / -1.84%
             |             
            
                58.50
             |           
            
                59.00
             |               
            
                58.50
             |                           
            
                58.80
             | 
            
                58.76
             |                     
            
                31.57
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2017
             | 
            
                +0.10 / +0.17%
             |             
            
                60.00
             |           
            
                60.20
             |               
            
                59.20
             |                           
            
                59.70
             | 
            
                59.87
             |                     
            
                32.05
             |                                 
            
                18,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2017
             | 
            
                -0.20 / -0.33%
             |             
            
                61.40
             |           
            
                61.40
             |               
            
                59.50
             |                           
            
                59.60
             | 
            
                60.18
             |                     
            
                32.00
             |                                 
            
                22,250
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2017
             | 
            
                +1.30 / +2.22%
             |             
            
                59.20
             |           
            
                60.50
             |               
            
                59.20
             |                           
            
                59.80
             | 
            
                59.98
             |                     
            
                32.10
             |                                 
            
                9,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2017
             | 
            
                +0.70 / +1.21%
             |             
            
                57.80
             |           
            
                58.50
             |               
            
                57.80
             |                           
            
                58.50
             | 
            
                58.05
             |                     
            
                31.41
             |                                 
            
                11,535
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                57.80
             |           
            
                57.80
             |               
            
                57.80
             |                           
            
                57.80
             | 
            
                57.80
             |                     
            
                31.03
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2017
             | 
            
                -0.10 / -0.17%
             |             
            
                57.80
             |           
            
                58.00
             |               
            
                57.70
             |                           
            
                57.80
             | 
            
                57.79
             |                     
            
                31.03
             |                                 
            
                2,250
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2017
             | 
            
                +0.50 / +0.87%
             |             
            
                57.50
             |           
            
                58.00
             |               
            
                57.50
             |                           
            
                57.90
             | 
            
                57.79
             |                     
            
                31.08
             |                                 
            
                7,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2017
             | 
            
                -0.80 / -1.37%
             |             
            
                57.30
             |           
            
                57.50
             |               
            
                57.30
             |                           
            
                57.40
             | 
            
                57.44
             |                     
            
                30.82
             |                                 
            
                6,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2017
             | 
            
                +0.70 / +1.22%
             |             
            
                58.20
             |           
            
                58.20
             |               
            
                57.60
             |                           
            
                58.20
             | 
            
                58.09
             |                     
            
                31.25
             |                                 
            
                8,660
             |  
            
                 
             |                                                              
             
    
         
    
    
 |