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                    Closing price on 3/25/2008
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                    | Open | 24.30 |  
                    | High | 25.00 |  
                    | Low | 22.00 |  
                    | Volume | 4,700 |  
                    | Split-adjusted Price | 3.45 |  
                
             | 
 |  VC6 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/25/2008 | 0.00 / 0.00% | 24.30 | 25.00 | 22.00 | 24.50 | 24.50 | 3.45 | 4,700 |   |  
            | 3/24/2008 | -0.50 / -2.00% | 25.00 | 25.20 | 21.60 | 24.50 | 24.50 | 3.45 | 2,100 |   |  			
            | 3/21/2008 | -0.80 / -3.10% | 23.90 | 25.00 | 23.90 | 25.00 | 25.00 | 3.52 | 10,400 |   |  
            | 3/20/2008 | -2.30 / -8.19% | 27.10 | 28.00 | 25.80 | 25.80 | 25.80 | 3.63 | 13,900 |   |  			
            | 3/19/2008 | -3.10 / -9.94% | 28.10 | 31.90 | 28.10 | 28.10 | 28.10 | 3.96 | 16,700 |   |  
            | 3/18/2008 | -1.80 / -5.45% | 31.20 | 31.20 | 31.20 | 31.20 | 31.20 | 4.40 | 2,400 |   |  			
            | 3/17/2008 | -2.00 / -5.71% | 37.00 | 37.00 | 33.00 | 33.00 | 33.00 | 4.65 | 500 |   |  
            | 3/14/2008 | -1.90 / -5.15% | 35.00 | 36.00 | 35.00 | 35.00 | 35.00 | 4.93 | 1,000 |   |  			
            | 3/13/2008 | +0.90 / +2.50% | 39.50 | 39.50 | 36.90 | 36.90 | 36.90 | 5.20 | 2,100 |   |  
            | 3/12/2008 | -3.60 / -9.09% | 36.40 | 38.50 | 36.00 | 36.00 | 36.00 | 5.07 | 8,800 |   |  			
            | 3/11/2008 | -3.30 / -7.69% | 41.00 | 41.00 | 39.60 | 39.60 | 39.60 | 5.58 | 1,200 |   |  
            | 3/10/2008 | +1.70 / +4.13% | 45.20 | 45.20 | 41.20 | 42.90 | 42.90 | 6.04 | 2,700 |   |  			
            | 3/7/2008 | +3.70 / +9.87% | 40.00 | 41.20 | 40.00 | 41.20 | 41.20 | 5.80 | 32,700 |   |  
            | 3/6/2008 | +3.40 / +9.97% | 37.00 | 37.50 | 37.00 | 37.50 | 37.50 | 5.28 | 21,700 |   |  			
            | 3/5/2008 | -2.70 / -7.34% | 34.20 | 34.20 | 34.10 | 34.10 | 34.10 | 4.80 | 1,500 |   |  
            | 3/4/2008 | -1.70 / -4.42% | 41.00 | 41.00 | 35.90 | 36.80 | 36.80 | 5.18 | 600 |   |  			
            | 3/3/2008 | -0.40 / -1.03% | 41.00 | 41.00 | 38.50 | 38.50 | 38.50 | 5.42 | 900 |   |  
            | 2/29/2008 | -2.10 / -5.12% | 42.50 | 42.50 | 38.00 | 38.90 | 38.90 | 5.48 | 2,000 |   |  			
            | 2/28/2008 | 0.00 / 0.00% | 42.50 | 42.50 | 37.50 | 41.00 | 41.00 | 5.78 | 3,600 |   |  
            | 2/27/2008 | +1.00 / +2.50% | 44.00 | 44.00 | 39.00 | 41.00 | 41.00 | 5.78 | 1,200 |   |  			
            | 2/26/2008 | -3.00 / -6.98% | 43.80 | 45.70 | 40.00 | 40.00 | 40.00 | 5.64 | 600 |   |  
            | 2/25/2008 | +2.00 / +4.88% | 41.00 | 43.10 | 41.00 | 43.00 | 43.00 | 6.06 | 7,700 |   |  			
            | 2/22/2008 | -1.10 / -2.61% | 45.00 | 45.00 | 38.70 | 41.00 | 41.00 | 5.78 | 5,100 |   |  
            | 2/21/2008 | -3.90 / -8.48% | 46.00 | 46.00 | 42.10 | 42.10 | 42.10 | 5.93 | 3,300 |   |  			
            | 2/20/2008 | -0.30 / -0.65% | 47.00 | 47.00 | 45.00 | 46.00 | 46.00 | 6.48 | 1,900 |   |  
            | 2/19/2008 | -2.70 / -5.51% | 48.30 | 48.30 | 46.20 | 46.30 | 46.30 | 6.52 | 7,300 |   |  			
            | 2/18/2008 | +0.50 / +1.03% | 49.50 | 49.50 | 49.00 | 49.00 | 49.00 | 6.90 | 700 |   |  
            | 2/15/2008 | -1.00 / -2.02% | 54.00 | 54.00 | 48.50 | 48.50 | 48.50 | 6.83 | 2,900 |   |  			
            | 2/14/2008 | 0.00 / 0.00% | 52.00 | 52.00 | 49.50 | 49.50 | 49.50 | 6.97 | 2,300 |   |  
            | 2/13/2008 | -0.50 / -1.00% | 50.00 | 50.00 | 47.50 | 49.50 | 49.50 | 6.97 | 4,200 |   |  |