| 
                 
                    Closing price on 7/19/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    18.80 | 
                 
                
                    | High | 
                    19.00 | 
                 
                
                    | Low | 
                    18.20 | 
                     
                
                    | Volume | 
                    161,830 | 
                                 
                
                    | Split-adjusted Price | 
                    13.76 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/19/2016
             | 
            
                -0.20 / -1.09%
             |             
            
                18.80
             |           
            
                19.00
             |               
            
                18.20
             |                           
            
                18.20
             | 
            
                18.65
             |                     
            
                13.76
             |                                 
            
                161,830
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2016
             | 
            
                +0.10 / +0.55%
             |             
            
                18.50
             |           
            
                18.70
             |               
            
                18.30
             |                           
            
                18.40
             | 
            
                18.45
             |                     
            
                13.92
             |                                 
            
                90,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2016
             | 
            
                +0.10 / +0.55%
             |             
            
                18.20
             |           
            
                18.70
             |               
            
                17.90
             |                           
            
                18.30
             | 
            
                18.19
             |                     
            
                13.84
             |                                 
            
                111,310
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2016
             | 
            
                -0.70 / -3.70%
             |             
            
                18.90
             |           
            
                18.90
             |               
            
                18.20
             |                           
            
                18.20
             | 
            
                18.55
             |                     
            
                13.76
             |                                 
            
                48,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2016
             | 
            
                0.00 / 0.00%
             |             
            
                18.80
             |           
            
                19.20
             |               
            
                18.50
             |                           
            
                18.90
             | 
            
                18.85
             |                     
            
                14.29
             |                                 
            
                163,602
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2016
             | 
            
                +0.50 / +2.72%
             |             
            
                18.10
             |           
            
                19.00
             |               
            
                18.10
             |                           
            
                18.90
             | 
            
                18.64
             |                     
            
                14.29
             |                                 
            
                160,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2016
             | 
            
                -1.40 / -7.07%
             |             
            
                19.60
             |           
            
                19.80
             |               
            
                18.00
             |                           
            
                18.40
             | 
            
                19.22
             |                     
            
                13.92
             |                                 
            
                281,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2016
             | 
            
                -0.10 / -0.50%
             |             
            
                20.00
             |           
            
                20.50
             |               
            
                19.40
             |                           
            
                19.80
             | 
            
                19.87
             |                     
            
                14.97
             |                                 
            
                429,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2016
             | 
            
                +1.20 / +6.42%
             |             
            
                18.80
             |           
            
                20.10
             |               
            
                18.80
             |                           
            
                19.90
             | 
            
                19.54
             |                     
            
                15.05
             |                                 
            
                813,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2016
             | 
            
                +0.80 / +4.47%
             |             
            
                17.90
             |           
            
                19.00
             |               
            
                17.80
             |                           
            
                18.70
             | 
            
                18.40
             |                     
            
                14.14
             |                                 
            
                261,203
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                18.00
             |           
            
                18.40
             |               
            
                17.80
             |                           
            
                17.90
             | 
            
                18.08
             |                     
            
                13.54
             |                                 
            
                253,110
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                18.20
             |           
            
                18.20
             |               
            
                17.70
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                13.54
             |                                 
            
                249,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                17.90
             |           
            
                18.00
             |               
            
                17.60
             |                           
            
                17.90
             | 
            
                17.82
             |                     
            
                13.54
             |                                 
            
                70,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2016
             | 
            
                +0.10 / +0.56%
             |             
            
                18.50
             |           
            
                18.80
             |               
            
                17.80
             |                           
            
                17.90
             | 
            
                18.09
             |                     
            
                13.54
             |                                 
            
                180,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2016
             | 
            
                +0.80 / +4.71%
             |             
            
                17.00
             |           
            
                17.90
             |               
            
                17.00
             |                           
            
                17.80
             | 
            
                17.72
             |                     
            
                13.46
             |                                 
            
                101,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2016
             | 
            
                +0.10 / +0.59%
             |             
            
                17.00
             |           
            
                17.10
             |               
            
                16.70
             |                           
            
                17.00
             | 
            
                16.86
             |                     
            
                12.86
             |                                 
            
                88,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2016
             | 
            
                -0.10 / -0.59%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.20
             |                           
            
                16.90
             | 
            
                16.62
             |                     
            
                12.78
             |                                 
            
                151,450
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2016
             | 
            
                -1.40 / -7.61%
             |             
            
                18.40
             |           
            
                18.70
             |               
            
                16.60
             |                           
            
                17.00
             | 
            
                17.14
             |                     
            
                12.86
             |                                 
            
                356,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2016
             | 
            
                +0.20 / +1.10%
             |             
            
                18.80
             |           
            
                19.00
             |               
            
                18.40
             |                           
            
                18.40
             | 
            
                18.49
             |                     
            
                13.92
             |                                 
            
                216,207
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2016
             | 
            
                +1.60 / +9.64%
             |             
            
                16.60
             |           
            
                18.20
             |               
            
                16.60
             |                           
            
                18.20
             | 
            
                17.62
             |                     
            
                13.76
             |                                 
            
                703,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                16.80
             |           
            
                16.90
             |               
            
                16.60
             |                           
            
                16.60
             | 
            
                16.80
             |                     
            
                12.55
             |                                 
            
                104,450
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2016
             | 
            
                0.00 / 0.00%
             |             
            
                16.50
             |           
            
                16.80
             |               
            
                16.50
             |                           
            
                16.60
             | 
            
                16.76
             |                     
            
                12.55
             |                                 
            
                71,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2016
             | 
            
                -0.30 / -1.78%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                16.50
             |                           
            
                16.60
             | 
            
                16.65
             |                     
            
                12.55
             |                                 
            
                48,490
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2016
             | 
            
                +0.70 / +4.32%
             |             
            
                16.20
             |           
            
                16.90
             |               
            
                16.20
             |                           
            
                16.90
             | 
            
                16.69
             |                     
            
                12.78
             |                                 
            
                131,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2016
             | 
            
                -0.20 / -1.22%
             |             
            
                16.20
             |           
            
                16.40
             |               
            
                16.10
             |                           
            
                16.20
             | 
            
                16.17
             |                     
            
                12.25
             |                                 
            
                100,713
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2016
             | 
            
                -0.20 / -1.20%
             |             
            
                16.30
             |           
            
                16.60
             |               
            
                16.30
             |                           
            
                16.40
             | 
            
                16.46
             |                     
            
                12.40
             |                                 
            
                59,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2016
             | 
            
                -0.30 / -1.78%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                16.30
             |                           
            
                16.60
             | 
            
                16.53
             |                     
            
                12.55
             |                                 
            
                321,930
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2016
             | 
            
                -0.10 / -0.59%
             |             
            
                16.90
             |           
            
                17.00
             |               
            
                16.70
             |                           
            
                16.90
             | 
            
                16.84
             |                     
            
                12.78
             |                                 
            
                54,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2016
             | 
            
                0.00 / 0.00%
             |             
            
                16.90
             |           
            
                17.00
             |               
            
                16.90
             |                           
            
                17.00
             | 
            
                16.94
             |                     
            
                12.86
             |                                 
            
                61,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2016
             | 
            
                +0.30 / +1.80%
             |             
            
                16.70
             |           
            
                17.50
             |               
            
                16.70
             |                           
            
                17.00
             | 
            
                17.23
             |                     
            
                12.86
             |                                 
            
                276,007
             |  
            
                 
             |                                                              
             
    
         
    
    
 |