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                    Closing price on 4/25/2011
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        |           
                
                    | Open | 14.20 |  
                    | High | 14.30 |  
                    | Low | 14.20 |  
                    | Volume | 41,300 |  
                    | Split-adjusted Price | 4.20 |  
                
             | 
 |  VC7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/25/2011 | +0.20 / +1.42% | 14.20 | 14.30 | 14.20 | 14.30 | 14.28 | 4.20 | 41,300 |   |  
            | 4/22/2011 | +0.10 / +0.71% | 14.40 | 14.40 | 13.30 | 14.10 | 13.45 | 4.14 | 17,700 |   |  			
            | 4/21/2011 | -0.50 / -3.45% | 15.00 | 15.00 | 14.00 | 14.00 | 14.17 | 4.11 | 4,600 |   |  
            | 4/20/2011 | -0.80 / -5.23% | 15.40 | 15.40 | 14.30 | 14.50 | 14.79 | 4.25 | 3,200 |   |  			
            | 4/19/2011 | +0.30 / +2.00% | 14.30 | 15.30 | 14.30 | 15.30 | 14.79 | 4.49 | 2,000 |   |  
            | 4/18/2011 | -0.50 / -3.23% | 15.40 | 15.40 | 14.60 | 15.00 | 14.72 | 4.40 | 8,400 |   |  			
            | 4/15/2011 | -0.20 / -1.27% | 15.60 | 15.60 | 15.50 | 15.50 | 15.55 | 4.55 | 2,000 |   |  
            | 4/14/2011 | +0.20 / +1.29% | 15.90 | 15.90 | 15.10 | 15.70 | 15.61 | 4.61 | 2,400 |   |  			
            | 4/13/2011 | -0.50 / -3.13% | 16.00 | 16.20 | 15.00 | 15.50 | 15.72 | 4.55 | 7,000 |   |  
            | 4/8/2011 | +0.10 / +0.63% | 15.90 | 16.10 | 15.80 | 16.00 | 15.94 | 4.70 | 15,600 |   |  			
            | 4/7/2011 | +0.20 / +1.27% | 15.10 | 16.30 | 14.80 | 15.90 | 15.75 | 4.67 | 28,900 |   |  
            | 4/6/2011 | +0.90 / +6.08% | 15.30 | 15.70 | 14.70 | 15.70 | 15.45 | 4.61 | 27,100 |   |  			
            | 4/5/2011 | +0.20 / +1.37% | 14.90 | 15.00 | 14.50 | 14.80 | 14.73 | 4.34 | 7,700 |   |  
            | 4/4/2011 | -0.30 / -2.01% | 14.80 | 15.00 | 14.50 | 14.60 | 14.60 | 4.28 | 17,900 |   |  			
            | 4/1/2011 | +0.40 / +2.76% | 13.90 | 14.90 | 13.70 | 14.90 | 14.49 | 4.37 | 5,400 |   |  
            | 3/31/2011 | -0.10 / -0.68% | 14.50 | 14.90 | 14.40 | 14.50 | 14.69 | 4.25 | 4,900 |   |  			
            | 3/30/2011 | +0.10 / +0.69% | 13.70 | 14.60 | 13.60 | 14.60 | 14.26 | 4.28 | 11,300 |   |  
            | 3/29/2011 | -0.60 / -3.97% | 15.50 | 15.50 | 14.00 | 14.50 | 14.62 | 4.25 | 31,900 |   |  			
            | 3/28/2011 | -0.70 / -4.43% | 15.20 | 15.20 | 15.00 | 15.10 | 15.01 | 4.43 | 7,900 |   |  
            | 3/25/2011 | +0.30 / +1.94% | 16.00 | 16.00 | 15.80 | 15.80 | 15.90 | 4.64 | 3,900 |   |  			
            | 3/24/2011 | -0.20 / -1.27% | 15.50 | 16.00 | 15.20 | 15.50 | 15.62 | 4.55 | 11,700 |   |  
            | 3/23/2011 | +0.80 / +5.37% | 15.90 | 15.90 | 14.90 | 15.70 | 15.62 | 4.61 | 12,800 |   |  			
            | 3/22/2011 | -0.40 / -2.61% | 15.50 | 16.10 | 14.80 | 14.90 | 15.32 | 4.37 | 9,600 |   |  
            | 3/21/2011 | -0.10 / -0.65% | 16.00 | 16.00 | 15.30 | 15.30 | 15.51 | 4.49 | 19,200 |   |  			
            | 3/18/2011 | +0.20 / +1.32% | 15.80 | 15.80 | 15.00 | 15.40 | 15.38 | 4.52 | 16,600 |   |  
            | 3/17/2011 | -0.10 / -0.65% | 15.50 | 15.70 | 15.00 | 15.20 | 15.31 | 4.46 | 11,000 |   |  			
            | 3/16/2011 | +0.40 / +2.68% | 15.10 | 15.30 | 15.00 | 15.30 | 15.06 | 4.49 | 21,100 |   |  
            | 3/15/2011 | -1.10 / -6.88% | 14.70 | 15.40 | 14.60 | 14.90 | 14.94 | 4.37 | 10,700 |   |  			
            | 3/14/2011 | -0.40 / -2.44% | 17.50 | 17.50 | 15.90 | 16.00 | 16.35 | 4.24 | 35,200 |   |  
            | 3/11/2011 | +0.90 / +5.81% | 16.40 | 16.40 | 16.20 | 16.40 | 16.38 | 4.34 | 27,500 |   |  |