| 
                 
                    Closing price on 12/13/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    31.50 | 
                 
                
                    | High | 
                    32.00 | 
                 
                
                    | Low | 
                    30.00 | 
                     
                
                    | Volume | 
                    93,000 | 
                                 
                
                    | Split-adjusted Price | 
                    3.83 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VHC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/13/2010
             | 
            
                -0.90 / -2.91%
             |             
            
                31.50
             |           
            
                32.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                93,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2010
             | 
            
                +0.90 / +3.00%
             |             
            
                30.90
             |           
            
                31.00
             |               
            
                30.80
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                3.94
             |                                 
            
                44,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2010
             | 
            
                +0.20 / +0.67%
             |             
            
                30.40
             |           
            
                30.40
             |               
            
                29.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                72,050
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2010
             | 
            
                -1.00 / -3.25%
             |             
            
                29.40
             |           
            
                30.00
             |               
            
                29.30
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                3.80
             |                                 
            
                79,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2010
             | 
            
                -0.10 / -0.32%
             |             
            
                31.70
             |           
            
                31.70
             |               
            
                29.50
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                3.93
             |                                 
            
                103,060
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2010
             | 
            
                0.00 / 0.00%
             |             
            
                29.50
             |           
            
                32.20
             |               
            
                29.50
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                3.94
             |                                 
            
                101,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2010
             | 
            
                +1.00 / +3.34%
             |             
            
                30.00
             |           
            
                31.00
             |               
            
                29.50
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                3.94
             |                                 
            
                102,180
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2010
             | 
            
                0.00 / 0.00%
             |             
            
                29.90
             |           
            
                30.80
             |               
            
                29.80
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                3.82
             |                                 
            
                44,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2010
             | 
            
                -0.10 / -0.33%
             |             
            
                28.50
             |           
            
                29.90
             |               
            
                28.50
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                3.82
             |                                 
            
                47,710
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2010
             | 
            
                +0.60 / +2.04%
             |             
            
                30.30
             |           
            
                30.80
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                80,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2010
             | 
            
                -0.10 / -0.34%
             |             
            
                28.30
             |           
            
                29.40
             |               
            
                28.10
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                3.75
             |                                 
            
                20,020
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2010
             | 
            
                -0.50 / -1.67%
             |             
            
                30.80
             |           
            
                30.90
             |               
            
                28.50
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                3.77
             |                                 
            
                87,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2010
             | 
            
                0.00 / 0.00%
             |             
            
                30.80
             |           
            
                30.90
             |               
            
                28.60
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                18,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2010
             | 
            
                -0.40 / -1.32%
             |             
            
                30.40
             |           
            
                30.40
             |               
            
                28.90
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                93,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2010
             | 
            
                -0.10 / -0.33%
             |             
            
                30.80
             |           
            
                30.90
             |               
            
                29.00
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                3.88
             |                                 
            
                44,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2010
             | 
            
                +0.50 / +1.67%
             |             
            
                28.50
             |           
            
                30.50
             |               
            
                28.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                3.89
             |                                 
            
                20,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2010
             | 
            
                -0.50 / -1.64%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                220
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2010
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.50
             |               
            
                30.00
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                3.89
             |                                 
            
                2,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2010
             | 
            
                +0.80 / +2.69%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                3.89
             |                                 
            
                60
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2010
             | 
            
                +0.40 / +1.37%
             |             
            
                28.00
             |           
            
                29.70
             |               
            
                28.00
             |                           
            
                29.70
             | 
            
                29.70
             |                     
            
                3.79
             |                                 
            
                7,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2010
             | 
            
                -1.50 / -4.87%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                29.30
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                3.74
             |                                 
            
                31,340
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2010
             | 
            
                0.00 / 0.00%
             |             
            
                29.30
             |           
            
                30.80
             |               
            
                29.30
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                3.93
             |                                 
            
                49,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2010
             | 
            
                +0.20 / +0.65%
             |             
            
                30.90
             |           
            
                30.90
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                3.93
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2010
             | 
            
                +0.60 / +2.00%
             |             
            
                29.00
             |           
            
                31.00
             |               
            
                29.00
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                3.91
             |                                 
            
                43,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2010
             | 
            
                +0.10 / +0.33%
             |             
            
                30.00
             |           
            
                30.40
             |               
            
                29.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                27,810
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2010
             | 
            
                -0.10 / -0.33%
             |             
            
                30.20
             |           
            
                30.20
             |               
            
                29.90
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                3.82
             |                                 
            
                4,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2010
             | 
            
                +0.50 / +1.69%
             |             
            
                30.60
             |           
            
                30.60
             |               
            
                29.70
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                4,470
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2010
             | 
            
                +0.20 / +0.68%
             |             
            
                29.30
             |           
            
                29.50
             |               
            
                29.30
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                3.77
             |                                 
            
                610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2010
             | 
            
                0.00 / 0.00%
             |             
            
                29.30
             |           
            
                29.30
             |               
            
                29.30
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                3.74
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2010
             | 
            
                -0.20 / -0.68%
             |             
            
                28.30
             |           
            
                29.30
             |               
            
                28.30
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                3.74
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |