| 
                 
                    Closing price on 8/16/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    27.10 | 
                 
                
                    | High | 
                    28.40 | 
                 
                
                    | Low | 
                    27.10 | 
                     
                
                    | Volume | 
                    1,220 | 
                                 
                
                    | Split-adjusted Price | 
                    3.61 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VHC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/16/2011
             | 
            
                +1.20 / +4.43%
             |             
            
                27.10
             |           
            
                28.40
             |               
            
                27.10
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                3.61
             |                                 
            
                1,220
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2011
             | 
            
                -1.40 / -4.91%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                27.10
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                3.46
             |                                 
            
                120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                3.64
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2011
             | 
            
                -1.50 / -5.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                3.64
             |                                 
            
                27,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2011
             | 
            
                +1.40 / +4.90%
             |             
            
                28.00
             |           
            
                30.00
             |               
            
                28.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                160
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                3.65
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2011
             | 
            
                -1.40 / -4.67%
             |             
            
                28.70
             |           
            
                28.70
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                3.65
             |                                 
            
                860
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                1,520
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                27,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                1,720
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2011
             | 
            
                +0.10 / +0.33%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2011
             | 
            
                -0.10 / -0.33%
             |             
            
                29.90
             |           
            
                29.90
             |               
            
                29.90
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                3.82
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                30.00
             |               
            
                28.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2011
             | 
            
                -0.20 / -0.66%
             |             
            
                29.50
             |           
            
                30.00
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                29,380
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2011
             | 
            
                +0.20 / +0.67%
             |             
            
                30.20
             |           
            
                31.50
             |               
            
                30.20
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                3.85
             |                                 
            
                24,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2011
             | 
            
                -0.40 / -1.32%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                50
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2011
             | 
            
                -0.50 / -1.62%
             |             
            
                30.40
             |           
            
                30.40
             |               
            
                30.40
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                3.88
             |                                 
            
                950
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2011
             | 
            
                -0.10 / -0.32%
             |             
            
                30.00
             |           
            
                30.90
             |               
            
                30.00
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                3.94
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2011
             | 
            
                0.00 / 0.00%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                3.96
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2011
             | 
            
                +0.50 / +1.64%
             |             
            
                30.00
             |           
            
                31.00
             |               
            
                30.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                3.96
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2011
             | 
            
                +0.50 / +1.67%
             |             
            
                30.00
             |           
            
                30.50
             |               
            
                30.00
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                3.89
             |                                 
            
                410
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                10,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2011
             | 
            
                -0.10 / -0.33%
             |             
            
                30.10
             |           
            
                30.40
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                10,030
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2011
             | 
            
                -0.30 / -0.99%
             |             
            
                30.00
             |           
            
                30.10
             |               
            
                30.00
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                3.84
             |                                 
            
                2,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2011
             | 
            
                -0.10 / -0.33%
             |             
            
                30.00
             |           
            
                30.40
             |               
            
                30.00
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                3.88
             |                                 
            
                4,170
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                3.89
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |