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                    Closing price on 1/7/2011
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        |           
                
                    | Open | 16.60 |  
                    | High | 16.70 |  
                    | Low | 16.30 |  
                    | Volume | 120,100 |  
                    | Split-adjusted Price | 7.33 |  
                
             | 
 |  VKC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/7/2011 | -0.10 / -0.60% | 16.60 | 16.70 | 16.30 | 16.70 | 16.56 | 7.33 | 120,100 |   |  
            | 1/6/2011 | -0.10 / -0.59% | 17.30 | 17.70 | 16.80 | 16.80 | 16.92 | 7.37 | 195,600 |   |  			
            | 1/5/2011 | +1.10 / +6.96% | 16.90 | 16.90 | 15.90 | 16.90 | 16.76 | 7.42 | 691,600 |   |  
            | 1/4/2011 | +1.00 / +6.76% | 15.80 | 15.80 | 15.80 | 15.80 | 15.80 | 6.94 | 14,600 |   |  			
            | 12/31/2010 | +0.50 / +3.50% | 14.80 | 14.80 | 14.30 | 14.80 | 14.78 | 6.50 | 228,300 |   |  
            | 12/30/2010 | +0.90 / +6.72% | 13.20 | 14.30 | 13.20 | 14.30 | 13.93 | 6.28 | 238,900 |   |  			
            | 12/29/2010 | +0.30 / +2.29% | 13.10 | 13.50 | 13.10 | 13.40 | 13.38 | 5.88 | 84,400 |   |  
            | 12/28/2010 | +0.10 / +0.77% | 13.00 | 13.20 | 12.90 | 13.10 | 13.11 | 5.75 | 133,300 |   |  			
            | 12/27/2010 | 0.00 / 0.00% | 12.90 | 13.30 | 12.80 | 13.00 | 13.01 | 5.71 | 105,600 |   |  
            | 12/24/2010 | -0.10 / -0.76% | 12.90 | 13.20 | 12.90 | 13.00 | 12.98 | 5.71 | 163,200 |   |  			
            | 12/23/2010 | +0.10 / +0.77% | 12.80 | 13.10 | 12.80 | 13.10 | 12.96 | 5.75 | 130,700 |   |  
            | 12/22/2010 | -0.30 / -2.26% | 13.00 | 13.20 | 13.00 | 13.00 | 13.14 | 5.71 | 175,600 |   |  			
            | 12/21/2010 | +0.20 / +1.53% | 13.00 | 13.30 | 12.70 | 13.30 | 13.10 | 5.84 | 124,100 |   |  
            | 12/20/2010 | -0.40 / -2.96% | 13.10 | 13.50 | 13.00 | 13.10 | 13.26 | 5.75 | 143,600 |   |  			
            | 12/17/2010 | +0.50 / +3.85% | 13.00 | 13.50 | 12.90 | 13.50 | 13.09 | 5.93 | 26,500 |   |  
            | 12/16/2010 | 0.00 / 0.00% | 12.80 | 13.60 | 12.80 | 13.00 | 13.02 | 5.71 | 108,400 |   |  			
            | 12/15/2010 | -0.40 / -2.99% | 13.00 | 13.90 | 12.70 | 13.00 | 13.23 | 5.71 | 143,500 |   |  
            | 12/14/2010 | -0.20 / -1.47% | 13.20 | 13.40 | 12.70 | 13.40 | 13.00 | 5.88 | 230,100 |   |  			
            | 12/13/2010 | +0.20 / +1.49% | 13.10 | 14.00 | 12.60 | 13.60 | 13.29 | 5.97 | 177,600 |   |  
            | 12/10/2010 | +0.10 / +0.75% | 13.40 | 13.50 | 13.00 | 13.40 | 13.18 | 5.88 | 189,600 |   |  			
            | 12/9/2010 | +0.30 / +2.31% | 14.10 | 14.10 | 12.40 | 13.30 | 13.00 | 5.84 | 185,600 |   |  
            | 12/8/2010 | +13.00 / +0.00% | 13.50 | 13.60 | 12.60 | 13.00 | 13.24 | 5.71 | 566,700 |   |  |