| 
                 
                    Closing price on 5/6/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.60 | 
                 
                
                    | High | 
                    14.60 | 
                 
                
                    | Low | 
                    14.30 | 
                     
                
                    | Volume | 
                    223,400 | 
                                 
                
                    | Split-adjusted Price | 
                    10.89 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2016
             | 
            
                +0.60 / +4.05%
             |             
            
                14.90
             |           
            
                15.70
             |               
            
                14.90
             |                           
            
                15.40
             | 
            
                15.37
             |                     
            
                11.65
             |                                 
            
                236,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2016
             | 
            
                +0.20 / +1.37%
             |             
            
                14.70
             |           
            
                15.00
             |               
            
                14.70
             |                           
            
                14.80
             | 
            
                14.82
             |                     
            
                11.19
             |                                 
            
                90,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2016
             | 
            
                -0.30 / -2.01%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                14.72
             |                     
            
                11.04
             |                                 
            
                206,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2016
             | 
            
                +0.10 / +0.68%
             |             
            
                15.30
             |           
            
                15.40
             |               
            
                14.70
             |                           
            
                14.90
             | 
            
                14.92
             |                     
            
                11.27
             |                                 
            
                219,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2016
             | 
            
                -0.10 / -0.67%
             |             
            
                15.10
             |           
            
                15.20
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                15.07
             |                     
            
                11.19
             |                                 
            
                83,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2016
             | 
            
                +0.10 / +0.68%
             |             
            
                14.80
             |           
            
                15.30
             |               
            
                14.80
             |                           
            
                14.90
             | 
            
                14.95
             |                     
            
                11.27
             |                                 
            
                82,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2016
             | 
            
                -0.30 / -1.99%
             |             
            
                15.00
             |           
            
                15.10
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.87
             |                     
            
                11.19
             |                                 
            
                147,130
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2016
             | 
            
                -0.20 / -1.31%
             |             
            
                15.00
             |           
            
                15.30
             |               
            
                14.80
             |                           
            
                15.10
             | 
            
                15.08
             |                     
            
                11.42
             |                                 
            
                275,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2016
             | 
            
                +0.40 / +2.68%
             |             
            
                14.90
             |           
            
                15.60
             |               
            
                14.90
             |                           
            
                15.30
             | 
            
                15.27
             |                     
            
                11.57
             |                                 
            
                199,010
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2016
             | 
            
                +0.80 / +5.67%
             |             
            
                14.00
             |           
            
                15.40
             |               
            
                13.70
             |                           
            
                14.90
             | 
            
                14.67
             |                     
            
                11.27
             |                                 
            
                261,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2016
             | 
            
                -0.70 / -4.73%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                13.90
             |                           
            
                14.10
             | 
            
                14.22
             |                     
            
                10.66
             |                                 
            
                423,540
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2016
             | 
            
                +1.30 / +9.63%
             |             
            
                13.60
             |           
            
                14.80
             |               
            
                13.60
             |                           
            
                14.80
             | 
            
                14.38
             |                     
            
                11.19
             |                                 
            
                338,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2016
             | 
            
                +0.70 / +5.47%
             |             
            
                12.90
             |           
            
                13.50
             |               
            
                12.90
             |                           
            
                13.50
             | 
            
                13.20
             |                     
            
                10.21
             |                                 
            
                264,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2016
             | 
            
                -0.20 / -1.54%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.80
             |                           
            
                12.80
             | 
            
                12.88
             |                     
            
                9.68
             |                                 
            
                73,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2016
             | 
            
                +0.20 / +1.56%
             |             
            
                13.00
             |           
            
                13.10
             |               
            
                12.80
             |                           
            
                13.00
             | 
            
                12.89
             |                     
            
                9.83
             |                                 
            
                33,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2016
             | 
            
                -0.50 / -3.76%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                12.80
             |                           
            
                12.80
             | 
            
                13.08
             |                     
            
                9.68
             |                                 
            
                86,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2016
             | 
            
                +0.90 / +7.26%
             |             
            
                12.40
             |           
            
                13.30
             |               
            
                12.40
             |                           
            
                13.30
             | 
            
                12.92
             |                     
            
                10.06
             |                                 
            
                161,240
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2016
             | 
            
                -0.30 / -2.36%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.76
             |                     
            
                9.38
             |                                 
            
                62,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2016
             | 
            
                0.00 / 0.00%
             |             
            
                12.70
             |           
            
                13.00
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.94
             |                     
            
                9.60
             |                                 
            
                123,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2016
             | 
            
                -0.50 / -3.79%
             |             
            
                13.00
             |           
            
                13.10
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.90
             |                     
            
                9.60
             |                                 
            
                155,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2016
             | 
            
                0.00 / 0.00%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                13.00
             |                           
            
                13.20
             | 
            
                13.14
             |                     
            
                9.98
             |                                 
            
                101,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2016
             | 
            
                -0.10 / -0.75%
             |             
            
                13.30
             |           
            
                13.70
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.43
             |                     
            
                9.98
             |                                 
            
                464,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |