| 
                 
                    Closing price on 2/14/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    58.50 | 
                 
                
                    | High | 
                    58.50 | 
                 
                
                    | Low | 
                    58.10 | 
                     
                
                    | Volume | 
                    1,501 | 
                                 
                
                    | Split-adjusted Price | 
                    31.19 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/14/2017
             | 
            
                +0.10 / +0.17%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                58.10
             |                           
            
                58.10
             | 
            
                58.14
             |                     
            
                31.19
             |                                 
            
                1,501
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2017
             | 
            
                -0.90 / -1.53%
             |             
            
                58.90
             |           
            
                58.90
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.12
             |                     
            
                31.14
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2017
             | 
            
                +0.10 / +0.17%
             |             
            
                59.00
             |           
            
                59.10
             |               
            
                58.10
             |                           
            
                59.00
             | 
            
                58.91
             |                     
            
                31.68
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2017
             | 
            
                -0.10 / -0.17%
             |             
            
                58.90
             |           
            
                58.90
             |               
            
                58.90
             |                           
            
                58.90
             | 
            
                58.90
             |                     
            
                31.62
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2017
             | 
            
                -0.20 / -0.34%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.60
             |                           
            
                59.00
             | 
            
                58.94
             |                     
            
                31.68
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2017
             | 
            
                -0.60 / -1.00%
             |             
            
                59.00
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.20
             | 
            
                59.17
             |                     
            
                31.78
             |                                 
            
                7,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2017
             | 
            
                +0.30 / +0.50%
             |             
            
                59.70
             |           
            
                60.80
             |               
            
                59.70
             |                           
            
                59.80
             | 
            
                60.07
             |                     
            
                32.10
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2017
             | 
            
                +0.60 / +1.02%
             |             
            
                59.50
             |           
            
                59.90
             |               
            
                59.50
             |                           
            
                59.60
             | 
            
                59.54
             |                     
            
                32.00
             |                                 
            
                6,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2017
             | 
            
                +0.40 / +0.68%
             |             
            
                59.40
             |           
            
                59.50
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.15
             |                     
            
                31.68
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2017
             | 
            
                +0.30 / +0.51%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.40
             |                           
            
                58.60
             | 
            
                58.60
             |                     
            
                31.46
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2017
             | 
            
                -0.30 / -0.51%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                58.30
             |                           
            
                58.30
             | 
            
                58.37
             |                     
            
                31.30
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2017
             | 
            
                -0.40 / -0.68%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.60
             |                           
            
                58.60
             | 
            
                58.85
             |                     
            
                31.46
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2017
             | 
            
                0.00 / 0.00%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                31.68
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2017
             | 
            
                +0.50 / +0.85%
             |             
            
                57.70
             |           
            
                59.00
             |               
            
                57.70
             |                           
            
                59.00
             | 
            
                58.58
             |                     
            
                31.68
             |                                 
            
                2,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2017
             | 
            
                -0.50 / -0.85%
             |             
            
                58.10
             |           
            
                58.50
             |               
            
                58.10
             |                           
            
                58.50
             | 
            
                58.30
             |                     
            
                31.41
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2017
             | 
            
                -1.00 / -1.67%
             |             
            
                61.50
             |           
            
                61.50
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.23
             |                     
            
                31.68
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2017
             | 
            
                -0.50 / -0.83%
             |             
            
                61.90
             |           
            
                61.90
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.15
             |                     
            
                32.21
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2017
             | 
            
                -0.50 / -0.83%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.50
             |                     
            
                32.21
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2017
             | 
            
                -0.10 / -0.17%
             |             
            
                58.20
             |           
            
                60.50
             |               
            
                57.90
             |                           
            
                60.50
             | 
            
                59.78
             |                     
            
                32.48
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2017
             | 
            
                +1.60 / +2.71%
             |             
            
                59.70
             |           
            
                61.00
             |               
            
                59.70
             |                           
            
                60.60
             | 
            
                60.54
             |                     
            
                32.53
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2017
             | 
            
                +0.50 / +0.85%
             |             
            
                59.00
             |           
            
                59.20
             |               
            
                58.50
             |                           
            
                59.00
             | 
            
                58.94
             |                     
            
                31.68
             |                                 
            
                13,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2017
             | 
            
                -1.40 / -2.34%
             |             
            
                55.50
             |           
            
                60.00
             |               
            
                55.50
             |                           
            
                58.50
             | 
            
                58.89
             |                     
            
                31.41
             |                                 
            
                6,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2017
             | 
            
                -1.50 / -2.44%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                59.00
             |                           
            
                60.00
             | 
            
                59.95
             |                     
            
                32.21
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2017
             | 
            
                +1.50 / +2.50%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                61.50
             |                           
            
                61.50
             | 
            
                62.03
             |                     
            
                33.02
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2017
             | 
            
                -2.00 / -3.23%
             |             
            
                59.00
             |           
            
                61.70
             |               
            
                59.00
             |                           
            
                60.00
             | 
            
                60.44
             |                     
            
                32.21
             |                                 
            
                6,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2017
             | 
            
                +0.30 / +0.49%
             |             
            
                62.00
             |           
            
                63.30
             |               
            
                62.00
             |                           
            
                62.00
             | 
            
                62.41
             |                     
            
                33.29
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2016
             | 
            
                +1.10 / +1.81%
             |             
            
                62.50
             |           
            
                63.40
             |               
            
                60.00
             |                           
            
                61.90
             | 
            
                61.70
             |                     
            
                33.23
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2016
             | 
            
                +0.80 / +1.33%
             |             
            
                59.10
             |           
            
                63.50
             |               
            
                52.00
             |                           
            
                60.80
             | 
            
                59.64
             |                     
            
                32.64
             |                                 
            
                9,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2016
             | 
            
                -2.00 / -3.23%
             |             
            
                61.40
             |           
            
                61.40
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.20
             |                     
            
                32.21
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2016
             | 
            
                -1.50 / -2.36%
             |             
            
                61.50
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                62.00
             | 
            
                61.40
             |                     
            
                33.29
             |                                 
            
                10,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |