| 
                 
                    Closing price on 6/7/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    16.60 | 
                 
                
                    | High | 
                    16.80 | 
                 
                
                    | Low | 
                    16.50 | 
                     
                
                    | Volume | 
                    30,400 | 
                                 
                
                    | Split-adjusted Price | 
                    12.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/7/2016
             | 
            
                -0.10 / -0.60%
             |             
            
                16.60
             |           
            
                16.80
             |               
            
                16.50
             |                           
            
                16.70
             | 
            
                16.72
             |                     
            
                12.63
             |                                 
            
                30,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2016
             | 
            
                -0.60 / -3.45%
             |             
            
                17.40
             |           
            
                17.40
             |               
            
                16.70
             |                           
            
                16.80
             | 
            
                16.85
             |                     
            
                12.71
             |                                 
            
                114,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2016
             | 
            
                +1.00 / +6.10%
             |             
            
                16.50
             |           
            
                17.50
             |               
            
                16.50
             |                           
            
                17.40
             | 
            
                16.95
             |                     
            
                13.16
             |                                 
            
                298,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2016
             | 
            
                +0.10 / +0.61%
             |             
            
                16.40
             |           
            
                16.40
             |               
            
                16.10
             |                           
            
                16.40
             | 
            
                16.26
             |                     
            
                12.40
             |                                 
            
                88,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                16.30
             |           
            
                16.50
             |               
            
                16.20
             |                           
            
                16.30
             | 
            
                16.28
             |                     
            
                12.33
             |                                 
            
                71,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2016
             | 
            
                -0.30 / -1.81%
             |             
            
                16.50
             |           
            
                16.70
             |               
            
                16.10
             |                           
            
                16.30
             | 
            
                16.34
             |                     
            
                12.33
             |                                 
            
                67,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2016
             | 
            
                +0.30 / +1.84%
             |             
            
                16.30
             |           
            
                16.70
             |               
            
                16.20
             |                           
            
                16.60
             | 
            
                16.40
             |                     
            
                12.55
             |                                 
            
                110,228
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2016
             | 
            
                0.00 / 0.00%
             |             
            
                16.20
             |           
            
                16.30
             |               
            
                16.20
             |                           
            
                16.30
             | 
            
                16.26
             |                     
            
                12.33
             |                                 
            
                32,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                16.30
             |           
            
                16.60
             |               
            
                16.00
             |                           
            
                16.30
             | 
            
                16.25
             |                     
            
                12.33
             |                                 
            
                132,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2016
             | 
            
                +0.80 / +5.16%
             |             
            
                15.50
             |           
            
                16.40
             |               
            
                15.50
             |                           
            
                16.30
             | 
            
                16.18
             |                     
            
                12.33
             |                                 
            
                209,941
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.70
             |               
            
                15.30
             |                           
            
                15.50
             | 
            
                15.47
             |                     
            
                11.72
             |                                 
            
                100,702
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2016
             | 
            
                +0.10 / +0.65%
             |             
            
                15.40
             |           
            
                15.60
             |               
            
                15.30
             |                           
            
                15.50
             | 
            
                15.40
             |                     
            
                11.72
             |                                 
            
                48,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2016
             | 
            
                +0.20 / +1.32%
             |             
            
                15.40
             |           
            
                15.60
             |               
            
                15.20
             |                           
            
                15.40
             | 
            
                15.42
             |                     
            
                11.65
             |                                 
            
                118,220
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2016
             | 
            
                +0.50 / +3.40%
             |             
            
                14.70
             |           
            
                15.40
             |               
            
                14.70
             |                           
            
                15.20
             | 
            
                14.70
             |                     
            
                11.50
             |                                 
            
                276,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2016
             | 
            
                -0.10 / -0.68%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.60
             |                           
            
                14.70
             | 
            
                14.67
             |                     
            
                11.12
             |                                 
            
                157,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2016
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.50
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                11.19
             |                                 
            
                142,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2016
             | 
            
                -0.10 / -0.67%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.70
             |                           
            
                14.80
             | 
            
                14.81
             |                     
            
                11.19
             |                                 
            
                69,207
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2016
             | 
            
                -0.10 / -0.67%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                14.50
             |                           
            
                14.90
             | 
            
                14.88
             |                     
            
                11.27
             |                                 
            
                34,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2016
             | 
            
                -0.30 / -1.96%
             |             
            
                15.40
             |           
            
                15.40
             |               
            
                14.80
             |                           
            
                15.00
             | 
            
                15.30
             |                     
            
                11.34
             |                                 
            
                40,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2016
             | 
            
                +0.70 / +4.79%
             |             
            
                14.60
             |           
            
                15.30
             |               
            
                14.60
             |                           
            
                15.30
             | 
            
                15.05
             |                     
            
                11.57
             |                                 
            
                71,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2016
             | 
            
                +0.40 / +2.82%
             |             
            
                14.20
             |           
            
                14.90
             |               
            
                14.20
             |                           
            
                14.60
             | 
            
                14.57
             |                     
            
                11.04
             |                                 
            
                57,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2016
             | 
            
                -0.20 / -1.39%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.44
             |                     
            
                10.74
             |                                 
            
                60,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2016
             | 
            
                -0.20 / -1.37%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                14.30
             |                           
            
                14.40
             | 
            
                14.39
             |                     
            
                10.89
             |                                 
            
                223,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2016
             | 
            
                +0.30 / +2.10%
             |             
            
                14.40
             |           
            
                14.70
             |               
            
                14.20
             |                           
            
                14.60
             | 
            
                14.47
             |                     
            
                11.04
             |                                 
            
                32,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2016
             | 
            
                -0.60 / -4.03%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.30
             |                           
            
                14.30
             | 
            
                14.62
             |                     
            
                10.81
             |                                 
            
                107,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2016
             | 
            
                -0.20 / -1.32%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.94
             |                     
            
                11.27
             |                                 
            
                51,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2016
             | 
            
                -0.20 / -1.31%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.24
             |                     
            
                11.42
             |                                 
            
                108,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2016
             | 
            
                -0.50 / -3.16%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.20
             |                           
            
                15.30
             | 
            
                15.48
             |                     
            
                11.57
             |                                 
            
                131,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                15.80
             |           
            
                16.00
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.85
             |                     
            
                11.95
             |                                 
            
                90,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2016
             | 
            
                +0.40 / +2.60%
             |             
            
                15.60
             |           
            
                16.00
             |               
            
                15.50
             |                           
            
                15.80
             | 
            
                15.67
             |                     
            
                11.95
             |                                 
            
                174,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |