| 
                 
                    Closing price on 9/6/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.90 | 
                 
                
                    | High | 
                    30.90 | 
                 
                
                    | Low | 
                    30.90 | 
                     
                
                    | Volume | 
                    10 | 
                                 
                
                    | Split-adjusted Price | 
                    3.94 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VHC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/6/2011
             | 
            
                -1.60 / -4.92%
             |             
            
                30.90
             |           
            
                30.90
             |               
            
                30.90
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                3.94
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2011
             | 
            
                +0.50 / +1.56%
             |             
            
                32.00
             |           
            
                32.50
             |               
            
                31.00
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                4.15
             |                                 
            
                4,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2011
             | 
            
                0.00 / 0.00%
             |             
            
                32.00
             |           
            
                33.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                4.08
             |                                 
            
                5,210
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2011
             | 
            
                0.00 / 0.00%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                4.08
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2011
             | 
            
                +0.60 / +1.91%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                31.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                4.08
             |                                 
            
                6,560
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                31.00
             |           
            
                31.40
             |               
            
                31.00
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                4.01
             |                                 
            
                4,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2011
             | 
            
                +0.60 / +1.95%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                30.50
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                4.01
             |                                 
            
                3,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2011
             | 
            
                +1.30 / +4.41%
             |             
            
                30.20
             |           
            
                30.80
             |               
            
                30.20
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                3.93
             |                                 
            
                710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2011
             | 
            
                0.00 / 0.00%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                29.50
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                3.77
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2011
             | 
            
                -1.00 / -3.28%
             |             
            
                30.30
             |           
            
                31.80
             |               
            
                29.50
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                3.77
             |                                 
            
                590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2011
             | 
            
                +0.20 / +0.66%
             |             
            
                30.30
             |           
            
                30.50
             |               
            
                30.30
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                3.89
             |                                 
            
                2,120
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2011
             | 
            
                +0.20 / +0.66%
             |             
            
                30.00
             |           
            
                30.30
             |               
            
                30.00
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                3.87
             |                                 
            
                12,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2011
             | 
            
                +0.40 / +1.35%
             |             
            
                29.80
             |           
            
                30.10
             |               
            
                29.80
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                3.84
             |                                 
            
                7,550
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2011
             | 
            
                +1.40 / +4.95%
             |             
            
                29.30
             |           
            
                29.70
             |               
            
                29.30
             |                           
            
                29.70
             | 
            
                29.70
             |                     
            
                3.79
             |                                 
            
                6,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |