| 
                 
                    Closing price on 3/9/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    34.00 | 
                 
                
                    | High | 
                    34.00 | 
                 
                
                    | Low | 
                    33.50 | 
                     
                
                    | Volume | 
                    11,270 | 
                                 
                
                    | Split-adjusted Price | 
                    4.54 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VHC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.50
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                4.54
             |                                 
            
                11,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2012
             | 
            
                0.00 / 0.00%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                4.54
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2012
             | 
            
                +1.50 / +4.62%
             |             
            
                33.00
             |           
            
                34.10
             |               
            
                33.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                4.54
             |                                 
            
                68,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2012
             | 
            
                -1.50 / -4.41%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                4.34
             |                                 
            
                53,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2012
             | 
            
                +1.00 / +3.03%
             |             
            
                31.40
             |           
            
                34.00
             |               
            
                31.40
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                4.54
             |                                 
            
                23,340
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                31.60
             |           
            
                33.00
             |               
            
                31.60
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.41
             |                                 
            
                810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.41
             |                                 
            
                1,520
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                31.50
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.41
             |                                 
            
                1,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.41
             |                                 
            
                2,630
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.41
             |                                 
            
                1,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.41
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.41
             |                                 
            
                1,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2012
             | 
            
                +1.00 / +3.13%
             |             
            
                32.00
             |           
            
                33.00
             |               
            
                32.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                4.41
             |                                 
            
                10,670
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                31.90
             |           
            
                32.00
             |               
            
                31.90
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                4.27
             |                                 
            
                30,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2012
             | 
            
                +0.50 / +1.59%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                4.27
             |                                 
            
                940
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                31.60
             |           
            
                32.00
             |               
            
                31.50
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                4.21
             |                                 
            
                7,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                30.20
             |           
            
                31.50
             |               
            
                30.20
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                4.21
             |                                 
            
                9,440
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                31.50
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                4.21
             |                                 
            
                14,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                30.30
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                4.21
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2012
             | 
            
                +0.70 / +2.27%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                31.50
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                4.21
             |                                 
            
                54,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                4.11
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2012
             | 
            
                +0.30 / +0.98%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                4.11
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2012
             | 
            
                -1.50 / -4.69%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                4.07
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2012
             | 
            
                +1.20 / +3.90%
             |             
            
                30.70
             |           
            
                32.00
             |               
            
                30.70
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                4.27
             |                                 
            
                10,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                4.11
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2012
             | 
            
                +1.20 / +4.05%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                29.60
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                4.11
             |                                 
            
                810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2012
             | 
            
                +1.00 / +3.50%
             |             
            
                29.00
             |           
            
                29.60
             |               
            
                29.00
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                3.95
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2012
             | 
            
                +0.40 / +1.42%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                3.82
             |                                 
            
                980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2012
             | 
            
                -1.40 / -4.73%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.20
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                3.77
             |                                 
            
                130
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2012
             | 
            
                +1.20 / +4.23%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                29.60
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                3.95
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
         
    
    
 |