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                    Closing price on 4/28/2011
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                    | Open | 23.50 |  
                    | High | 23.50 |  
                    | Low | 23.50 |  
                    | Volume | 850 |  
                    | Split-adjusted Price | 3.00 |  
                
             | 
 |  VHC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 4/21/2011 | -0.40 / -1.71% | 23.50 | 23.50 | 22.50 | 23.00 | 23.00 | 2.94 | 2,630 |   |  			
            | 4/20/2011 | -0.10 / -0.43% | 23.40 | 23.40 | 23.40 | 23.40 | 23.40 | 2.99 | 10 |   |  
            | 4/19/2011 | 0.00 / 0.00% | 22.40 | 23.50 | 22.40 | 23.50 | 23.50 | 3.00 | 520 |   |  			
            | 4/18/2011 | +0.40 / +1.73% | 22.00 | 23.50 | 22.00 | 23.50 | 23.50 | 3.00 | 1,320 |   |  
            | 4/15/2011 | +0.30 / +1.32% | 23.10 | 23.10 | 23.10 | 23.10 | 23.10 | 2.95 | 54,250 |   |  			
            | 4/14/2011 | 0.00 / 0.00% | 22.20 | 22.80 | 22.20 | 22.80 | 22.80 | 2.91 | 460 |   |  
            | 4/13/2011 | -1.00 / -4.20% | 24.10 | 24.10 | 22.80 | 22.80 | 22.80 | 2.91 | 340 |   |  			
            | 4/8/2011 | +0.80 / +3.48% | 24.00 | 24.00 | 23.80 | 23.80 | 23.80 | 3.04 | 20 |   |  
            | 4/7/2011 | -0.80 / -3.36% | 23.00 | 23.00 | 23.00 | 23.00 | 23.00 | 2.94 | 10 |   |  			
            | 4/6/2011 | +0.80 / +3.48% | 23.00 | 23.80 | 23.00 | 23.80 | 23.80 | 3.04 | 390 |   |  
            | 4/5/2011 | -1.20 / -4.96% | 24.10 | 24.10 | 23.00 | 23.00 | 23.00 | 2.94 | 6,680 |   |  			
            | 4/4/2011 | +0.10 / +0.41% | 23.20 | 24.20 | 23.20 | 24.20 | 24.20 | 3.09 | 230 |   |  
            | 4/1/2011 | +0.50 / +2.12% | 24.10 | 24.10 | 24.10 | 24.10 | 24.10 | 3.08 | 100 |   |  			
            | 3/31/2011 | -0.40 / -1.67% | 23.90 | 23.90 | 23.60 | 23.60 | 23.60 | 3.01 | 1,240 |   |  
            | 3/30/2011 | +0.50 / +2.13% | 23.50 | 24.00 | 23.50 | 24.00 | 24.00 | 3.06 | 1,100 |   |  			
            | 3/29/2011 | -0.50 / -2.08% | 23.50 | 23.50 | 23.50 | 23.50 | 23.50 | 3.00 | 1,080 |   |  
            | 3/28/2011 | 0.00 / 0.00% | 23.80 | 24.00 | 23.60 | 24.00 | 24.00 | 3.06 | 10,760 |   |  			
            | 3/25/2011 | 0.00 / 0.00% | 24.00 | 24.00 | 23.80 | 24.00 | 24.00 | 3.06 | 9,250 |   |  
            | 3/24/2011 | 0.00 / 0.00% | 24.40 | 24.40 | 24.00 | 24.00 | 24.00 | 3.06 | 4,660 |   |  			
            | 3/23/2011 | -0.50 / -2.04% | 23.50 | 24.50 | 23.50 | 24.00 | 24.00 | 3.06 | 29,240 |   |  
            | 3/22/2011 | -0.20 / -0.81% | 24.50 | 24.70 | 24.20 | 24.50 | 24.50 | 3.13 | 22,010 |   |  			
            | 3/21/2011 | +0.70 / +2.92% | 25.00 | 25.20 | 24.50 | 24.70 | 24.70 | 3.15 | 11,160 |   |  
            | 3/18/2011 | +1.10 / +4.80% | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 3.06 | 40,950 |   |  			
            | 3/17/2011 | -0.80 / -3.38% | 23.70 | 24.80 | 22.70 | 22.90 | 22.90 | 2.92 | 46,130 |   |  
            | 3/16/2011 | +0.20 / +0.85% | 24.40 | 24.40 | 23.70 | 23.70 | 23.70 | 3.02 | 113,800 |   |  |