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                    Closing price on 9/7/2011
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                    | Open | 9.80 |  
                    | High | 10.00 |  
                    | Low | 9.70 |  
                    | Volume | 5,900 |  
                    | Split-adjusted Price | 2.93 |  
                
             | 
 |  VC7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/7/2011 | +0.80 / +8.70% | 9.80 | 10.00 | 9.70 | 10.00 | 9.80 | 2.93 | 5,900 |   |  
            | 9/6/2011 | -0.30 / -3.16% | 9.20 | 9.80 | 9.20 | 9.20 | 9.45 | 2.70 | 4,500 |   |  			
            | 9/5/2011 | -0.30 / -3.06% | 10.10 | 10.10 | 9.40 | 9.50 | 9.75 | 2.79 | 11,000 |   |  
            | 9/1/2011 | -0.20 / -2.00% | 10.10 | 10.10 | 9.80 | 9.80 | 9.98 | 2.88 | 4,300 |   |  			
            | 8/31/2011 | +0.50 / +5.26% | 9.80 | 10.00 | 9.80 | 10.00 | 9.96 | 2.93 | 2,800 |   |  
            | 8/30/2011 | -0.20 / -2.06% | 9.60 | 10.10 | 9.50 | 9.50 | 9.76 | 2.79 | 26,800 |   |  			
            | 8/29/2011 | +0.80 / +8.99% | 9.50 | 9.70 | 9.30 | 9.70 | 9.54 | 2.85 | 17,000 |   |  
            | 8/26/2011 | -0.60 / -6.32% | 9.50 | 9.50 | 8.90 | 8.90 | 9.14 | 2.61 | 5,800 |   |  			
            | 8/25/2011 | +0.30 / +3.26% | 9.30 | 9.50 | 9.30 | 9.50 | 9.35 | 2.79 | 2,900 |   |  
            | 8/24/2011 | -0.50 / -5.15% | 9.90 | 9.90 | 9.20 | 9.20 | 9.32 | 2.70 | 7,300 |   |  			
            | 8/23/2011 | 0.00 / 0.00% | 10.00 | 10.10 | 9.70 | 9.70 | 9.78 | 2.85 | 6,400 |   |  
            | 8/22/2011 | 0.00 / 0.00% | 10.00 | 10.00 | 9.30 | 9.70 | 9.69 | 2.85 | 19,500 |   |  			
            | 8/19/2011 | -0.20 / -2.02% | 9.50 | 9.80 | 9.30 | 9.70 | 9.48 | 2.85 | 9,500 |   |  
            | 8/18/2011 | +0.40 / +4.21% | 10.10 | 10.10 | 9.90 | 9.90 | 10.00 | 2.91 | 2,000 |   |  			
            | 8/17/2011 | -0.40 / -4.04% | 10.00 | 10.00 | 9.50 | 9.50 | 9.78 | 2.79 | 3,800 |   |  
            | 8/16/2011 | -0.20 / -1.98% | 9.50 | 9.90 | 9.50 | 9.90 | 9.77 | 2.91 | 3,000 |   |  			
            | 8/15/2011 | +0.10 / +1.00% | 10.20 | 10.20 | 9.50 | 10.10 | 10.10 | 2.96 | 4,700 |   |  
            | 8/12/2011 | 0.00 / 0.00% | 10.10 | 10.20 | 9.90 | 10.00 | 10.00 | 2.93 | 4,000 |   |  			
            | 8/11/2011 | 0.00 / 0.00% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 2.93 | 0 |   |  
            | 8/10/2011 | +0.50 / +5.26% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 2.93 | 3,000 |   |  			
            | 8/9/2011 | -0.70 / -6.86% | 9.80 | 9.90 | 9.50 | 9.50 | 9.83 | 2.79 | 2,900 |   |  
            | 8/8/2011 | +0.20 / +2.00% | 9.90 | 10.20 | 9.90 | 10.20 | 10.17 | 2.99 | 1,100 |   |  			
            | 8/5/2011 | +0.10 / +1.01% | 9.90 | 10.00 | 9.90 | 10.00 | 9.93 | 2.93 | 5,700 |   |  
            | 8/4/2011 | +0.90 / +10.00% | 9.70 | 9.90 | 9.70 | 9.90 | 9.77 | 2.91 | 8,900 |   |  			
            | 8/3/2011 | -0.10 / -1.10% | 9.70 | 9.70 | 8.90 | 9.00 | 9.34 | 2.64 | 6,500 |   |  
            | 8/2/2011 | -0.30 / -3.19% | 9.80 | 10.00 | 9.10 | 9.10 | 9.50 | 2.67 | 14,000 |   |  			
            | 8/1/2011 | 0.00 / 0.00% | 9.50 | 9.50 | 9.40 | 9.40 | 9.45 | 2.76 | 2,000 |   |  
            | 7/29/2011 | 0.00 / 0.00% | 9.40 | 9.50 | 9.40 | 9.40 | 9.41 | 2.76 | 11,800 |   |  			
            | 7/28/2011 | 0.00 / 0.00% | 9.60 | 9.60 | 9.40 | 9.40 | 9.44 | 2.76 | 11,800 |   |  
            | 7/27/2011 | +0.20 / +2.17% | 9.00 | 9.50 | 9.00 | 9.40 | 9.42 | 2.76 | 5,700 |   |  |