| 
                 
                    Closing price on 5/16/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    38.00 | 
                 
                
                    | High | 
                    38.00 | 
                 
                
                    | Low | 
                    37.10 | 
                     
                
                    | Volume | 
                    10,300 | 
                                 
                
                    | Split-adjusted Price | 
                    4.95 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VHC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                37.10
             |                           
            
                37.10
             | 
            
                37.10
             |                     
            
                4.95
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.10
             |           
            
                37.10
             |               
            
                37.10
             |                           
            
                37.10
             | 
            
                37.10
             |                     
            
                4.95
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2012
             | 
            
                -1.40 / -3.64%
             |             
            
                37.10
             |           
            
                37.10
             |               
            
                37.10
             |                           
            
                37.10
             | 
            
                37.10
             |                     
            
                4.95
             |                                 
            
                30
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2012
             | 
            
                +1.20 / +3.22%
             |             
            
                37.30
             |           
            
                38.50
             |               
            
                37.30
             |                           
            
                38.50
             | 
            
                38.50
             |                     
            
                5.14
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2012
             | 
            
                -0.20 / -0.53%
             |             
            
                37.30
             |           
            
                37.50
             |               
            
                37.30
             |                           
            
                37.30
             | 
            
                37.30
             |                     
            
                4.98
             |                                 
            
                34,230
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2012
             | 
            
                +0.50 / +1.35%
             |             
            
                35.80
             |           
            
                37.50
             |               
            
                35.80
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                1,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2012
             | 
            
                +1.00 / +2.78%
             |             
            
                36.90
             |           
            
                37.00
             |               
            
                36.90
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                5,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                36.30
             |           
            
                36.30
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                3,850
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                3,010
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2012
             | 
            
                -0.50 / -1.37%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.81
             |                                 
            
                280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2012
             | 
            
                +1.40 / +3.99%
             |             
            
                35.10
             |           
            
                36.50
             |               
            
                35.10
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                4.87
             |                                 
            
                960
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |