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                    Closing price on 8/17/2011
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                    | Open | 29.30 |  
                    | High | 29.70 |  
                    | Low | 29.30 |  
                    | Volume | 6,020 |  
                    | Split-adjusted Price | 3.79 |  
                
             | 
 |  VHC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/17/2011 | +1.40 / +4.95% | 29.30 | 29.70 | 29.30 | 29.70 | 29.70 | 3.79 | 6,020 |   |  
            | 8/16/2011 | +1.20 / +4.43% | 27.10 | 28.40 | 27.10 | 28.30 | 28.30 | 3.61 | 1,220 |   |  			
            | 8/15/2011 | -1.40 / -4.91% | 29.50 | 29.50 | 27.10 | 27.10 | 27.10 | 3.46 | 120 |   |  
            | 8/12/2011 | 0.00 / 0.00% | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 | 3.64 | 0 |   |  			
            | 8/11/2011 | -1.50 / -5.00% | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 | 3.64 | 27,080 |   |  
            | 8/10/2011 | +1.40 / +4.90% | 28.00 | 30.00 | 28.00 | 30.00 | 30.00 | 3.83 | 160 |   |  			
            | 8/9/2011 | 0.00 / 0.00% | 28.60 | 28.60 | 28.60 | 28.60 | 28.60 | 3.65 | 0 |   |  
            | 8/8/2011 | -1.40 / -4.67% | 28.70 | 28.70 | 28.60 | 28.60 | 28.60 | 3.65 | 860 |   |  			
            | 8/5/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 2,000 |   |  
            | 8/4/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 1,520 |   |  			
            | 8/3/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 27,000 |   |  
            | 8/2/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 1,720 |   |  			
            | 8/1/2011 | +0.10 / +0.33% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 720 |   |  
            | 7/29/2011 | -0.10 / -0.33% | 29.90 | 29.90 | 29.90 | 29.90 | 29.90 | 3.82 | 10 |   |  			
            | 7/28/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 10 |   |  
            | 7/27/2011 | 0.00 / 0.00% | 28.50 | 30.00 | 28.50 | 30.00 | 30.00 | 3.83 | 20 |   |  			
            | 7/26/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 1,300 |   |  
            | 7/25/2011 | -0.20 / -0.66% | 29.50 | 30.00 | 29.50 | 30.00 | 30.00 | 3.83 | 29,380 |   |  			
            | 7/22/2011 | +0.20 / +0.67% | 30.20 | 31.50 | 30.20 | 30.20 | 30.20 | 3.85 | 24,290 |   |  
            | 7/21/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 0 |   |  			
            | 7/20/2011 | -0.40 / -1.32% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 50 |   |  
            | 7/19/2011 | -0.50 / -1.62% | 30.40 | 30.40 | 30.40 | 30.40 | 30.40 | 3.88 | 950 |   |  			
            | 7/18/2011 | -0.10 / -0.32% | 30.00 | 30.90 | 30.00 | 30.90 | 30.90 | 3.94 | 2,000 |   |  
            | 7/15/2011 | 0.00 / 0.00% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 3.96 | 0 |   |  			
            | 7/14/2011 | +0.50 / +1.64% | 30.00 | 31.00 | 30.00 | 31.00 | 31.00 | 3.96 | 5,000 |   |  
            | 7/13/2011 | +0.50 / +1.67% | 30.00 | 30.50 | 30.00 | 30.50 | 30.50 | 3.89 | 410 |   |  			
            | 7/12/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 3.83 | 10,930 |   |  
            | 7/11/2011 | -0.10 / -0.33% | 30.10 | 30.40 | 30.00 | 30.00 | 30.00 | 3.83 | 10,030 |   |  			
            | 7/8/2011 | -0.30 / -0.99% | 30.00 | 30.10 | 30.00 | 30.10 | 30.10 | 3.84 | 2,410 |   |  
            | 7/7/2011 | -0.10 / -0.33% | 30.00 | 30.40 | 30.00 | 30.40 | 30.40 | 3.88 | 4,170 |   |  |