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                    Closing price on 6/6/2011
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                    | Open | 29.50 |  
                    | High | 30.30 |  
                    | Low | 29.50 |  
                    | Volume | 32,150 |  
                    | Split-adjusted Price | 3.79 |  
                
             | 
 |  VHC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/6/2011 | +0.80 / +2.77% | 29.50 | 30.30 | 29.50 | 29.70 | 29.70 | 3.79 | 32,150 |   |  
            | 6/3/2011 | +0.50 / +1.76% | 29.00 | 29.00 | 28.00 | 28.90 | 28.90 | 3.69 | 12,790 |   |  			
            | 6/2/2011 | +0.60 / +2.16% | 28.00 | 28.50 | 28.00 | 28.40 | 28.40 | 3.62 | 4,070 |   |  
            | 6/1/2011 | +0.60 / +2.21% | 26.00 | 27.80 | 26.00 | 27.80 | 27.80 | 3.55 | 47,580 |   |  			
            | 5/31/2011 | +0.60 / +2.26% | 27.00 | 27.20 | 25.70 | 27.20 | 27.20 | 3.47 | 52,900 |   |  
            | 5/30/2011 | 0.00 / 0.00% | 26.10 | 27.20 | 26.00 | 26.60 | 26.60 | 3.39 | 5,310 |   |  			
            | 5/27/2011 | 0.00 / 0.00% | 25.50 | 27.70 | 25.50 | 26.60 | 26.60 | 3.39 | 6,810 |   |  
            | 5/26/2011 | -1.40 / -5.00% | 28.00 | 28.00 | 26.60 | 26.60 | 26.60 | 3.39 | 61,100 |   |  			
            | 5/25/2011 | -0.60 / -2.10% | 29.00 | 29.00 | 27.50 | 28.00 | 28.00 | 3.57 | 52,100 |   |  
            | 5/24/2011 | -0.90 / -3.05% | 29.00 | 30.00 | 28.50 | 28.60 | 28.60 | 3.65 | 7,580 |   |  			
            | 5/23/2011 | +1.20 / +4.24% | 29.40 | 29.70 | 29.30 | 29.50 | 29.50 | 3.77 | 37,030 |   |  
            | 5/20/2011 | +1.30 / +4.81% | 27.00 | 28.30 | 27.00 | 28.30 | 28.30 | 3.61 | 9,020 |   |  			
            | 5/19/2011 | -0.10 / -0.37% | 27.00 | 27.20 | 27.00 | 27.00 | 27.00 | 3.45 | 16,470 |   |  
            | 5/18/2011 | -0.10 / -0.37% | 27.00 | 27.10 | 26.00 | 27.10 | 27.10 | 3.46 | 60,150 |   |  			
            | 5/17/2011 | +0.30 / +1.12% | 27.00 | 27.20 | 26.80 | 27.20 | 27.20 | 3.47 | 113,220 |   |  
            | 5/16/2011 | -0.10 / -0.37% | 25.70 | 27.90 | 25.70 | 26.90 | 26.90 | 3.43 | 7,960 |   |  			
            | 5/13/2011 | +0.30 / +1.12% | 27.00 | 27.00 | 26.70 | 27.00 | 27.00 | 3.45 | 11,360 |   |  
            | 5/12/2011 | +0.90 / +3.49% | 26.30 | 26.70 | 26.20 | 26.70 | 26.70 | 3.41 | 11,700 |   |  			
            | 5/11/2011 | +0.30 / +1.18% | 25.00 | 25.80 | 25.00 | 25.80 | 25.80 | 3.29 | 3,600 |   |  
            | 5/10/2011 | +0.50 / +2.00% | 25.40 | 25.50 | 25.00 | 25.50 | 25.50 | 3.25 | 18,010 |   |  			
            | 5/9/2011 | +0.40 / +1.63% | 24.60 | 25.00 | 24.20 | 25.00 | 25.00 | 3.19 | 3,110 |   |  
            | 5/6/2011 | +0.30 / +1.23% | 24.80 | 24.80 | 24.00 | 24.60 | 24.60 | 3.14 | 24,350 |   |  			
            | 5/5/2011 | +0.50 / +2.10% | 23.00 | 24.40 | 23.00 | 24.30 | 24.30 | 3.10 | 46,900 |   |  
            | 5/4/2011 | +0.90 / +3.93% | 24.00 | 24.00 | 23.80 | 23.80 | 23.80 | 3.04 | 610 |   |  			
            | 4/29/2011 | -0.60 / -2.55% | 24.00 | 24.00 | 22.90 | 22.90 | 22.90 | 2.92 | 5,650 |   |  
            | 4/28/2011 | -0.50 / -2.08% | 23.50 | 23.50 | 23.50 | 23.50 | 23.50 | 3.00 | 850 |   |  			
            | 4/27/2011 | 0.00 / 0.00% | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 3.06 | 0 |   |  
            | 4/26/2011 | 0.00 / 0.00% | 23.50 | 24.00 | 23.50 | 24.00 | 24.00 | 3.06 | 4,800 |   |  			
            | 4/25/2011 | +0.50 / +2.13% | 23.50 | 24.10 | 23.50 | 24.00 | 24.00 | 3.06 | 88,130 |   |  
            | 4/22/2011 | +0.50 / +2.17% | 22.70 | 23.50 | 22.70 | 23.50 | 23.50 | 3.00 | 1,330 |   |  |