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                    Closing price on 8/31/2010
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                    | Open | 24.50 |  
                    | High | 25.00 |  
                    | Low | 23.50 |  
                    | Volume | 85,100 |  
                    | Split-adjusted Price | 6.62 |  
                
             | 
 |  VC7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/31/2010 | +1.50 / +6.38% | 24.50 | 25.00 | 23.50 | 25.00 | 24.76 | 6.62 | 85,100 |   |  
            | 8/30/2010 | +1.30 / +5.86% | 23.30 | 23.50 | 23.30 | 23.50 | 23.44 | 6.22 | 30,900 |   |  			
            | 8/27/2010 | -0.60 / -2.63% | 22.80 | 22.80 | 21.00 | 22.20 | 22.03 | 5.88 | 52,800 |   |  
            | 8/26/2010 | +1.20 / +5.56% | 23.00 | 23.00 | 20.50 | 22.80 | 21.81 | 6.04 | 91,500 |   |  			
            | 8/25/2010 | -1.50 / -6.49% | 21.70 | 22.00 | 21.60 | 21.60 | 21.67 | 5.72 | 96,500 |   |  
            | 8/24/2010 | -1.40 / -5.71% | 23.90 | 25.10 | 23.10 | 23.10 | 23.20 | 6.12 | 112,600 |   |  			
            | 8/23/2010 | -1.30 / -5.04% | 26.30 | 26.30 | 24.20 | 24.50 | 24.78 | 6.49 | 49,800 |   |  
            | 8/20/2010 | -0.20 / -0.77% | 25.50 | 26.80 | 25.00 | 25.80 | 25.59 | 6.83 | 71,100 |   |  			
            | 8/19/2010 | -0.50 / -1.89% | 26.80 | 27.00 | 25.00 | 26.00 | 26.14 | 6.89 | 49,900 |   |  
            | 8/18/2010 | -2.10 / -7.34% | 27.30 | 27.30 | 26.50 | 26.50 | 26.73 | 7.02 | 111,800 |   |  			
            | 8/17/2010 | -0.60 / -2.05% | 30.50 | 30.60 | 27.50 | 28.60 | 28.41 | 7.57 | 44,000 |   |  
            | 8/16/2010 | +1.20 / +4.29% | 28.30 | 29.20 | 28.00 | 29.20 | 29.12 | 7.73 | 75,100 |   |  			
            | 8/13/2010 | +1.20 / +4.48% | 25.30 | 28.60 | 25.10 | 28.00 | 27.34 | 7.41 | 127,300 |   |  
            | 8/12/2010 | -2.20 / -7.59% | 29.00 | 29.00 | 26.70 | 26.80 | 26.80 | 7.10 | 144,000 |   |  			
            | 8/11/2010 | +0.40 / +1.40% | 28.70 | 29.70 | 28.00 | 29.00 | 28.69 | 7.68 | 87,600 |   |  
            | 8/10/2010 | -1.50 / -4.98% | 31.00 | 31.00 | 28.60 | 28.60 | 28.68 | 7.57 | 192,300 |   |  			
            | 8/9/2010 | -2.00 / -6.23% | 31.30 | 31.90 | 30.10 | 30.10 | 30.66 | 7.97 | 87,400 |   |  
            | 8/6/2010 | -0.50 / -1.53% | 33.50 | 33.50 | 31.00 | 32.10 | 31.91 | 8.42 | 54,900 |   |  			
            | 8/5/2010 | -0.40 / -1.21% | 34.00 | 34.00 | 30.90 | 32.60 | 32.35 | 8.55 | 80,500 |   |  
            | 8/4/2010 | -1.50 / -4.35% | 34.80 | 34.80 | 32.70 | 33.00 | 33.22 | 8.66 | 47,400 |   |  			
            | 8/3/2010 | -1.50 / -4.17% | 35.40 | 35.50 | 33.90 | 34.50 | 34.37 | 9.05 | 230,500 |   |  
            | 8/2/2010 | -1.50 / -4.00% | 37.90 | 38.90 | 35.80 | 36.00 | 36.42 | 9.44 | 115,400 |   |  			
            | 7/30/2010 | +2.20 / +6.23% | 36.00 | 37.50 | 36.00 | 37.50 | 37.32 | 9.84 | 208,200 |   |  
            | 7/29/2010 | +2.20 / +6.65% | 33.00 | 35.30 | 33.00 | 35.30 | 35.14 | 9.26 | 206,200 |   |  			
            | 7/28/2010 | 0.00 / 0.00% | 33.50 | 34.10 | 32.50 | 33.10 | 32.96 | 8.68 | 106,900 |   |  
            | 7/27/2010 | -1.60 / -4.61% | 36.00 | 36.00 | 33.00 | 33.10 | 33.20 | 8.68 | 194,900 |   |  			
            | 7/26/2010 | -1.20 / -3.34% | 36.50 | 36.50 | 34.60 | 34.70 | 35.35 | 9.10 | 58,100 |   |  
            | 7/23/2010 | +0.80 / +2.28% | 36.00 | 36.90 | 35.50 | 35.90 | 35.98 | 9.42 | 96,200 |   |  			
            | 7/22/2010 | -1.90 / -5.14% | 37.40 | 37.40 | 35.10 | 35.10 | 35.85 | 9.21 | 168,000 |   |  
            | 7/21/2010 | -0.90 / -2.37% | 38.00 | 39.00 | 36.00 | 37.00 | 37.39 | 9.71 | 382,100 |   |  |