| 
                 
                    Closing price on 10/7/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    31.60 | 
                 
                
                    | High | 
                    32.50 | 
                 
                
                    | Low | 
                    30.10 | 
                     
                
                    | Volume | 
                    48,480 | 
                                 
                
                    | Split-adjusted Price | 
                    3.84 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VHC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/7/2010
             | 
            
                -1.20 / -3.83%
             |             
            
                31.60
             |           
            
                32.50
             |               
            
                30.10
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                3.84
             |                                 
            
                48,480
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2010
             | 
            
                +1.40 / +4.68%
             |             
            
                30.00
             |           
            
                31.30
             |               
            
                29.90
             |                           
            
                31.30
             | 
            
                31.30
             |                     
            
                3.99
             |                                 
            
                552,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2010
             | 
            
                +0.20 / +0.67%
             |             
            
                29.70
             |           
            
                30.10
             |               
            
                29.50
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                3.82
             |                                 
            
                150,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2010
             | 
            
                +0.40 / +1.37%
             |             
            
                29.50
             |           
            
                30.30
             |               
            
                29.20
             |                           
            
                29.70
             | 
            
                29.70
             |                     
            
                3.79
             |                                 
            
                118,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2010
             | 
            
                -0.70 / -2.33%
             |             
            
                30.00
             |           
            
                30.10
             |               
            
                29.30
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                3.74
             |                                 
            
                3,930
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2010
             | 
            
                +1.00 / +3.45%
             |             
            
                29.50
             |           
            
                30.00
             |               
            
                29.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                3.83
             |                                 
            
                17,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2010
             | 
            
                +0.90 / +3.20%
             |             
            
                28.00
             |           
            
                29.50
             |               
            
                28.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                3.70
             |                                 
            
                45,910
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2010
             | 
            
                -0.10 / -0.35%
             |             
            
                28.20
             |           
            
                28.30
             |               
            
                28.00
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                3.59
             |                                 
            
                27,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2010
             | 
            
                -1.30 / -4.41%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                28.20
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                3.60
             |                                 
            
                50,710
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2010
             | 
            
                -1.00 / -3.28%
             |             
            
                30.20
             |           
            
                30.20
             |               
            
                29.40
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                3.77
             |                                 
            
                15,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2010
             | 
            
                -1.50 / -4.69%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                3.89
             |                                 
            
                11,180
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2010
             | 
            
                +0.30 / +0.95%
             |             
            
                31.50
             |           
            
                32.00
             |               
            
                31.50
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                4.08
             |                                 
            
                2,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2010
             | 
            
                -0.60 / -1.86%
             |             
            
                32.00
             |           
            
                33.20
             |               
            
                31.00
             |                           
            
                31.70
             | 
            
                31.70
             |                     
            
                4.05
             |                                 
            
                13,350
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2010
             | 
            
                -1.70 / -5.00%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.30
             |                           
            
                32.30
             | 
            
                32.30
             |                     
            
                4.12
             |                                 
            
                67,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2010
             | 
            
                0.00 / 0.00%
             |             
            
                34.80
             |           
            
                34.80
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                4.34
             |                                 
            
                7,310
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2010
             | 
            
                0.00 / 0.00%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                4.34
             |                                 
            
                10,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2010
             | 
            
                -0.20 / -0.58%
             |             
            
                33.50
             |           
            
                34.00
             |               
            
                33.40
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                4.34
             |                                 
            
                11,880
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2010
             | 
            
                +1.40 / +4.27%
             |             
            
                32.80
             |           
            
                34.20
             |               
            
                32.70
             |                           
            
                34.20
             | 
            
                34.20
             |                     
            
                4.36
             |                                 
            
                23,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2010
             | 
            
                -1.70 / -4.93%
             |             
            
                32.80
             |           
            
                34.40
             |               
            
                32.80
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                4.19
             |                                 
            
                95,070
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2010
             | 
            
                -0.70 / -1.99%
             |             
            
                35.20
             |           
            
                35.50
             |               
            
                34.50
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                4.40
             |                                 
            
                23,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2010
             | 
            
                +1.60 / +4.76%
             |             
            
                33.60
             |           
            
                35.20
             |               
            
                33.60
             |                           
            
                35.20
             | 
            
                35.20
             |                     
            
                4.49
             |                                 
            
                30,830
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2010
             | 
            
                -1.40 / -4.00%
             |             
            
                33.50
             |           
            
                34.00
             |               
            
                33.50
             |                           
            
                33.60
             | 
            
                33.60
             |                     
            
                4.29
             |                                 
            
                38,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2010
             | 
            
                -1.00 / -2.78%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                34.50
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                4.47
             |                                 
            
                15,870
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2010
             | 
            
                -1.00 / -2.70%
             |             
            
                35.40
             |           
            
                37.40
             |               
            
                35.40
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.59
             |                                 
            
                31,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2010
             | 
            
                -1.20 / -3.14%
             |             
            
                39.40
             |           
            
                39.40
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.72
             |                                 
            
                29,850
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2010
             | 
            
                -9.10 / -19.24%
             |             
            
                38.10
             |           
            
                38.20
             |               
            
                38.00
             |                           
            
                38.20
             | 
            
                38.20
             |                     
            
                4.88
             |                                 
            
                308,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2010
             | 
            
                +2.20 / +4.88%
             |             
            
                47.30
             |           
            
                47.30
             |               
            
                46.00
             |                           
            
                47.30
             | 
            
                47.30
             |                     
            
                4.64
             |                                 
            
                71,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2010
             | 
            
                -2.10 / -4.45%
             |             
            
                45.00
             |           
            
                46.90
             |               
            
                45.00
             |                           
            
                45.10
             | 
            
                45.10
             |                     
            
                4.43
             |                                 
            
                62,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2010
             | 
            
                -0.30 / -0.63%
             |             
            
                47.50
             |           
            
                47.80
             |               
            
                45.60
             |                           
            
                47.20
             | 
            
                47.20
             |                     
            
                4.63
             |                                 
            
                122,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2010
             | 
            
                -2.40 / -4.81%
             |             
            
                48.00
             |           
            
                48.10
             |               
            
                47.50
             |                           
            
                47.50
             | 
            
                47.50
             |                     
            
                4.66
             |                                 
            
                20,820
             |  
            
                 
             |                                                              
             
    
         
    
    
 |