| 
                 
                    Closing price on 6/6/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    37.50 | 
                 
                
                    | High | 
                    37.50 | 
                 
                
                    | Low | 
                    37.50 | 
                     
                
                    | Volume | 
                    10 | 
                                 
                
                    | Split-adjusted Price | 
                    5.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VHC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/6/2012
             | 
            
                +0.50 / +1.35%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2012
             | 
            
                -0.50 / -1.33%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                990
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2012
             | 
            
                +0.50 / +1.35%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                710
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2012
             | 
            
                -0.50 / -1.33%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                440
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2012
             | 
            
                -0.50 / -1.32%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2012
             | 
            
                +1.00 / +2.70%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                38.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                5.07
             |                                 
            
                2,330
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2012
             | 
            
                -0.50 / -1.33%
             |             
            
                35.70
             |           
            
                37.00
             |               
            
                35.70
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.94
             |                                 
            
                120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.00
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                14,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2012
             | 
            
                -0.50 / -1.32%
             |             
            
                37.50
             |           
            
                37.50
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.01
             |                                 
            
                2,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2012
             | 
            
                +0.90 / +2.43%
             |             
            
                37.00
             |           
            
                38.00
             |               
            
                37.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                5.07
             |                                 
            
                1,650
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |