| 
                 
                    Closing price on 4/25/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    35.10 | 
                 
                
                    | High | 
                    35.10 | 
                 
                
                    | Low | 
                    35.10 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    4.69 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VHC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/25/2012
             | 
            
                0.00 / 0.00%
             |             
            
                35.10
             |           
            
                35.10
             |               
            
                35.10
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                4.69
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2012
             | 
            
                +0.10 / +0.29%
             |             
            
                35.00
             |           
            
                35.10
             |               
            
                33.70
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                4.69
             |                                 
            
                1,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2012
             | 
            
                -1.00 / -2.78%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                4.67
             |                                 
            
                3,580
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2012
             | 
            
                -1.00 / -2.70%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2012
             | 
            
                -1.30 / -3.39%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2012
             | 
            
                -0.20 / -0.52%
             |             
            
                37.00
             |           
            
                38.30
             |               
            
                36.80
             |                           
            
                38.30
             | 
            
                38.30
             |                     
            
                5.11
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2012
             | 
            
                -0.30 / -0.77%
             |             
            
                38.80
             |           
            
                38.80
             |               
            
                38.50
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                5.14
             |                                 
            
                1,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2012
             | 
            
                -0.20 / -0.51%
             |             
            
                37.10
             |           
            
                38.80
             |               
            
                37.10
             |                           
            
                38.80
             | 
            
                38.80
             |                     
            
                5.18
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2012
             | 
            
                +1.20 / +3.17%
             |             
            
                36.50
             |           
            
                39.00
             |               
            
                36.50
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                5.21
             |                                 
            
                39,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2012
             | 
            
                +1.80 / +5.00%
             |             
            
                36.50
             |           
            
                37.80
             |               
            
                35.70
             |                           
            
                37.80
             | 
            
                37.80
             |                     
            
                5.05
             |                                 
            
                5,910
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2012
             | 
            
                -0.60 / -1.64%
             |             
            
                36.00
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                2,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2012
             | 
            
                +0.60 / +1.67%
             |             
            
                35.00
             |           
            
                36.60
             |               
            
                35.00
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                4.89
             |                                 
            
                2,830
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                35.50
             |           
            
                36.00
             |               
            
                35.50
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                2,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2012
             | 
            
                -0.50 / -1.37%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                1,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2012
             | 
            
                -0.50 / -1.35%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                4.87
             |                                 
            
                550
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2012
             | 
            
                -0.20 / -0.54%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                30,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                37.20
             |               
            
                35.50
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                4.97
             |                                 
            
                15,580
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.20
             |           
            
                37.20
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                4.97
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.20
             |           
            
                37.20
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                4.97
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2012
             | 
            
                -0.70 / -1.85%
             |             
            
                37.20
             |           
            
                37.20
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                4.97
             |                                 
            
                270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2012
             | 
            
                -1.60 / -4.05%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                37.80
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                5.06
             |                                 
            
                3,850
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2012
             | 
            
                +1.50 / +3.95%
             |             
            
                39.50
             |           
            
                39.50
             |               
            
                39.50
             |                           
            
                39.50
             | 
            
                39.50
             |                     
            
                5.27
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.00
             |           
            
                38.00
             |               
            
                37.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                5.07
             |                                 
            
                301,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                38.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                5.07
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                36.10
             |           
            
                38.00
             |               
            
                36.10
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                5.07
             |                                 
            
                11,190
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                38.00
             |               
            
                36.50
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                5.07
             |                                 
            
                4,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2012
             | 
            
                +1.50 / +4.11%
             |             
            
                36.50
             |           
            
                38.00
             |               
            
                35.60
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                5.07
             |                                 
            
                10,880
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2012
             | 
            
                +0.50 / +1.39%
             |             
            
                36.00
             |           
            
                36.50
             |               
            
                36.00
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                4.87
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |