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                    Closing price on 9/19/2011
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                    | Open | 31.90 |  
                    | High | 34.00 |  
                    | Low | 31.90 |  
                    | Volume | 20 |  
                    | Split-adjusted Price | 4.34 |  
                
             | 
 |  VHC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/19/2011 | +0.70 / +2.10% | 31.90 | 34.00 | 31.90 | 34.00 | 34.00 | 4.34 | 20 |   |  
            | 9/16/2011 | -1.70 / -4.86% | 33.30 | 34.50 | 33.30 | 33.30 | 33.30 | 4.25 | 54,820 |   |  			
            | 9/15/2011 | -0.70 / -1.96% | 34.00 | 35.00 | 34.00 | 35.00 | 35.00 | 4.47 | 6,580 |   |  
            | 9/14/2011 | +0.70 / +2.00% | 34.10 | 35.70 | 34.10 | 35.70 | 35.70 | 4.56 | 2,840 |   |  			
            | 9/13/2011 | +1.00 / +2.94% | 35.00 | 35.00 | 33.70 | 35.00 | 35.00 | 4.47 | 14,310 |   |  
            | 9/12/2011 | +1.00 / +3.03% | 33.00 | 34.00 | 33.00 | 34.00 | 34.00 | 4.34 | 31,100 |   |  			
            | 9/9/2011 | +0.70 / +2.17% | 32.50 | 33.00 | 32.00 | 33.00 | 33.00 | 4.21 | 24,030 |   |  
            | 9/8/2011 | 0.00 / 0.00% | 32.00 | 33.00 | 31.00 | 32.30 | 32.30 | 4.12 | 9,840 |   |  			
            | 9/7/2011 | +1.40 / +4.53% | 30.90 | 32.30 | 30.90 | 32.30 | 32.30 | 4.12 | 1,730 |   |  
            | 9/6/2011 | -1.60 / -4.92% | 30.90 | 30.90 | 30.90 | 30.90 | 30.90 | 3.94 | 10 |   |  			
            | 9/5/2011 | +0.50 / +1.56% | 32.00 | 32.50 | 31.00 | 32.50 | 32.50 | 4.15 | 4,360 |   |  
            | 9/1/2011 | 0.00 / 0.00% | 32.00 | 33.00 | 32.00 | 32.00 | 32.00 | 4.08 | 5,210 |   |  			
            | 8/31/2011 | 0.00 / 0.00% | 32.00 | 32.00 | 32.00 | 32.00 | 32.00 | 4.08 | 10 |   |  
            | 8/30/2011 | +0.60 / +1.91% | 32.50 | 32.50 | 31.00 | 32.00 | 32.00 | 4.08 | 6,560 |   |  			
            | 8/29/2011 | 0.00 / 0.00% | 31.00 | 31.40 | 31.00 | 31.40 | 31.40 | 4.01 | 4,020 |   |  
            | 8/26/2011 | +0.60 / +1.95% | 31.50 | 31.50 | 30.50 | 31.40 | 31.40 | 4.01 | 3,900 |   |  			
            | 8/25/2011 | +1.30 / +4.41% | 30.20 | 30.80 | 30.20 | 30.80 | 30.80 | 3.93 | 710 |   |  
            | 8/24/2011 | 0.00 / 0.00% | 29.50 | 29.50 | 29.50 | 29.50 | 29.50 | 3.77 | 0 |   |  			
            | 8/23/2011 | -1.00 / -3.28% | 30.30 | 31.80 | 29.50 | 29.50 | 29.50 | 3.77 | 590 |   |  
            | 8/22/2011 | +0.20 / +0.66% | 30.30 | 30.50 | 30.30 | 30.50 | 30.50 | 3.89 | 2,120 |   |  			
            | 8/19/2011 | +0.20 / +0.66% | 30.00 | 30.30 | 30.00 | 30.30 | 30.30 | 3.87 | 12,630 |   |  
            | 8/18/2011 | +0.40 / +1.35% | 29.80 | 30.10 | 29.80 | 30.10 | 30.10 | 3.84 | 7,550 |   |  			
            | 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 |   |  |