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                    Closing price on 4/17/2012
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                    | Open | 37.00 |  
                    | High | 38.30 |  
                    | Low | 36.80 |  
                    | Volume | 2,000 |  
                    | Split-adjusted Price | 5.11 |  
                
             | 
 |  VHC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/17/2012 | -0.20 / -0.52% | 37.00 | 38.30 | 36.80 | 38.30 | 38.30 | 5.11 | 2,000 |   |  
            | 4/16/2012 | -0.30 / -0.77% | 38.80 | 38.80 | 38.50 | 38.50 | 38.50 | 5.14 | 1,040 |   |  			
            | 4/13/2012 | -0.20 / -0.51% | 37.10 | 38.80 | 37.10 | 38.80 | 38.80 | 5.18 | 1,010 |   |  
            | 4/12/2012 | +1.20 / +3.17% | 36.50 | 39.00 | 36.50 | 39.00 | 39.00 | 5.21 | 39,440 |   |  			
            | 4/11/2012 | +1.80 / +5.00% | 36.50 | 37.80 | 35.70 | 37.80 | 37.80 | 5.05 | 5,910 |   |  
            | 4/10/2012 | -0.60 / -1.64% | 36.00 | 37.00 | 36.00 | 36.00 | 36.00 | 4.81 | 2,190 |   |  			
            | 4/9/2012 | +0.60 / +1.67% | 35.00 | 36.60 | 35.00 | 36.60 | 36.60 | 4.89 | 2,830 |   |  
            | 4/6/2012 | 0.00 / 0.00% | 35.50 | 36.00 | 35.50 | 36.00 | 36.00 | 4.81 | 2,510 |   |  			
            | 4/5/2012 | 0.00 / 0.00% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 4.81 | 0 |   |  
            | 4/4/2012 | -0.50 / -1.37% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 4.81 | 1,190 |   |  			
            | 4/3/2012 | -0.50 / -1.35% | 37.00 | 37.00 | 36.50 | 36.50 | 36.50 | 4.87 | 550 |   |  
            | 3/30/2012 | -0.20 / -0.54% | 37.00 | 37.00 | 37.00 | 37.00 | 37.00 | 4.94 | 30,080 |   |  			
            | 3/29/2012 | 0.00 / 0.00% | 36.00 | 37.20 | 35.50 | 37.20 | 37.20 | 4.97 | 15,580 |   |  
            | 3/28/2012 | 0.00 / 0.00% | 37.20 | 37.20 | 37.20 | 37.20 | 37.20 | 4.97 | 1,000 |   |  			
            | 3/27/2012 | 0.00 / 0.00% | 37.20 | 37.20 | 37.20 | 37.20 | 37.20 | 4.97 | 0 |   |  
            | 3/26/2012 | -0.70 / -1.85% | 37.20 | 37.20 | 37.20 | 37.20 | 37.20 | 4.97 | 270 |   |  			
            | 3/23/2012 | -1.60 / -4.05% | 38.00 | 38.00 | 37.80 | 37.90 | 37.90 | 5.06 | 3,850 |   |  
            | 3/22/2012 | +1.50 / +3.95% | 39.50 | 39.50 | 39.50 | 39.50 | 39.50 | 5.27 | 100 |   |  			
            | 3/21/2012 | 0.00 / 0.00% | 37.00 | 38.00 | 37.00 | 38.00 | 38.00 | 5.07 | 301,400 |   |  
            | 3/20/2012 | 0.00 / 0.00% | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 5.07 | 0 |   |  			
            | 3/19/2012 | 0.00 / 0.00% | 36.10 | 38.00 | 36.10 | 38.00 | 38.00 | 5.07 | 11,190 |   |  
            | 3/16/2012 | 0.00 / 0.00% | 36.50 | 38.00 | 36.50 | 38.00 | 38.00 | 5.07 | 4,010 |   |  			
            | 3/15/2012 | +1.50 / +4.11% | 36.50 | 38.00 | 35.60 | 38.00 | 38.00 | 5.07 | 10,880 |   |  
            | 3/14/2012 | +0.50 / +1.39% | 36.00 | 36.50 | 36.00 | 36.50 | 36.50 | 4.87 | 400 |   |  			
            | 3/13/2012 | +1.00 / +2.86% | 35.00 | 36.00 | 35.00 | 36.00 | 36.00 | 4.81 | 15,800 |   |  
            | 3/12/2012 | +1.00 / +2.94% | 34.90 | 35.00 | 34.00 | 35.00 | 35.00 | 4.67 | 20,610 |   |  			
            | 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 |   |  |