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            | 
                    Closing price on 10/12/2010
                 |  |  
    
        |           
                
                    | Open | 16.50 |  
                    | High | 16.50 |  
                    | Low | 16.10 |  
                    | Volume | 61,980 |  
                    | Split-adjusted Price | 9.23 |  
                
             | 
 |  VNA Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/12/2010 | -0.30 / -1.82% | 16.50 | 16.50 | 16.10 | 16.20 | 16.20 | 9.23 | 61,980 |   |  
            | 10/11/2010 | -0.10 / -0.60% | 16.60 | 16.60 | 16.50 | 16.50 | 16.50 | 9.40 | 99,300 |   |  			
            | 10/8/2010 | 0.00 / 0.00% | 16.60 | 17.20 | 16.50 | 16.60 | 16.60 | 9.46 | 74,640 |   |  
            | 10/7/2010 | -0.50 / -2.92% | 16.90 | 17.10 | 16.60 | 16.60 | 16.60 | 9.46 | 52,530 |   |  			
            | 10/6/2010 | +0.40 / +2.40% | 16.80 | 17.20 | 16.80 | 17.10 | 17.10 | 9.74 | 33,920 |   |  
            | 10/5/2010 | -0.50 / -2.91% | 17.20 | 17.20 | 16.70 | 16.70 | 16.70 | 9.52 | 18,110 |   |  			
            | 10/4/2010 | -0.10 / -0.58% | 17.20 | 17.20 | 16.50 | 17.20 | 17.20 | 9.80 | 74,170 |   |  
            | 10/1/2010 | 0.00 / 0.00% | 17.30 | 17.30 | 17.20 | 17.30 | 17.30 | 9.86 | 28,150 |   |  			
            | 9/30/2010 | -0.30 / -1.70% | 17.50 | 17.50 | 17.30 | 17.30 | 17.30 | 9.86 | 19,300 |   |  
            | 9/29/2010 | -0.20 / -1.12% | 17.80 | 17.80 | 17.60 | 17.60 | 17.60 | 10.03 | 33,710 |   |  			
            | 9/28/2010 | 0.00 / 0.00% | 18.20 | 18.20 | 17.70 | 17.80 | 17.80 | 10.14 | 29,540 |   |  
            | 9/27/2010 | 0.00 / 0.00% | 18.30 | 18.30 | 17.80 | 17.80 | 17.80 | 10.14 | 21,610 |   |  			
            | 9/24/2010 | -0.10 / -0.56% | 18.10 | 18.10 | 17.70 | 17.80 | 17.80 | 10.14 | 6,550 |   |  
            | 9/23/2010 | -0.60 / -3.24% | 18.20 | 18.40 | 17.70 | 17.90 | 17.90 | 10.20 | 41,560 |   |  			
            | 9/22/2010 | +0.20 / +1.09% | 18.10 | 18.50 | 17.90 | 18.50 | 18.50 | 10.54 | 85,490 |   |  
            | 9/21/2010 | -0.40 / -2.14% | 18.40 | 18.70 | 18.30 | 18.30 | 18.30 | 10.43 | 44,150 |   |  			
            | 9/20/2010 | 0.00 / 0.00% | 18.70 | 19.00 | 18.50 | 18.70 | 18.70 | 10.66 | 38,790 |   |  
            | 9/17/2010 | +0.80 / +4.47% | 18.30 | 18.70 | 18.30 | 18.70 | 18.70 | 10.66 | 105,880 |   |  			
            | 9/16/2010 | +0.40 / +2.29% | 16.90 | 18.30 | 16.90 | 17.90 | 17.90 | 10.20 | 33,990 |   |  
            | 9/15/2010 | -0.40 / -2.23% | 17.60 | 17.80 | 17.40 | 17.50 | 17.50 | 9.97 | 46,200 |   |  			
            | 9/14/2010 | -0.10 / -0.56% | 18.00 | 18.00 | 17.50 | 17.90 | 17.90 | 10.20 | 63,300 |   |  
            | 9/13/2010 | -0.60 / -3.23% | 18.20 | 18.50 | 17.70 | 18.00 | 18.00 | 10.26 | 64,740 |   |  			
            | 9/10/2010 | -0.90 / -4.62% | 19.10 | 19.50 | 18.60 | 18.60 | 18.60 | 10.60 | 53,220 |   |  
            | 9/9/2010 | +0.20 / +1.04% | 19.30 | 20.00 | 19.00 | 19.50 | 19.50 | 11.11 | 87,890 |   |  			
            | 9/8/2010 | +0.90 / +4.89% | 19.30 | 19.30 | 18.80 | 19.30 | 19.30 | 11.00 | 590,890 |   |  
            | 9/7/2010 | +0.80 / +4.55% | 18.40 | 18.40 | 18.40 | 18.40 | 18.40 | 10.49 | 10,550 |   |  			
            | 9/6/2010 | +0.80 / +4.76% | 17.60 | 17.60 | 17.60 | 17.60 | 17.60 | 10.03 | 59,220 |   |  
            | 9/1/2010 | -0.10 / -0.59% | 17.10 | 17.10 | 16.80 | 16.80 | 16.80 | 9.57 | 54,230 |   |  			
            | 8/31/2010 | +0.60 / +3.68% | 16.30 | 17.10 | 16.00 | 16.90 | 16.90 | 9.63 | 66,020 |   |  
            | 8/30/2010 | +0.70 / +4.49% | 16.30 | 16.30 | 16.30 | 16.30 | 16.30 | 9.29 | 78,080 |   |  |