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                    Closing price on 7/14/2010
                 |  |  
    
        |           
                
                    | Open | 24.30 |  
                    | High | 24.40 |  
                    | Low | 23.50 |  
                    | Volume | 93,230 |  
                    | Split-adjusted Price | 13.62 |  
                
             | 
 |  VNA Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/14/2010 | +0.50 / +2.14% | 24.30 | 24.40 | 23.50 | 23.90 | 23.90 | 13.62 | 93,230 |   |  
            | 7/13/2010 | +1.10 / +4.93% | 22.30 | 23.40 | 22.30 | 23.40 | 23.40 | 13.33 | 184,610 |   |  			
            | 7/12/2010 | +0.20 / +0.90% | 22.50 | 22.50 | 21.70 | 22.30 | 22.30 | 12.71 | 33,620 |   |  
            | 7/9/2010 | -0.40 / -1.78% | 22.50 | 22.90 | 22.00 | 22.10 | 22.10 | 12.59 | 106,870 |   |  			
            | 7/8/2010 | 0.00 / 0.00% | 22.50 | 22.70 | 22.20 | 22.50 | 22.50 | 12.82 | 43,810 |   |  
            | 7/7/2010 | -0.70 / -3.02% | 23.20 | 23.70 | 22.50 | 22.50 | 22.50 | 12.82 | 112,620 |   |  			
            | 7/6/2010 | -0.90 / -3.73% | 23.80 | 23.90 | 23.20 | 23.20 | 23.20 | 13.22 | 57,250 |   |  
            | 7/5/2010 | +0.30 / +1.26% | 24.00 | 24.40 | 24.00 | 24.10 | 24.10 | 13.73 | 50,750 |   |  			
            | 7/2/2010 | +0.40 / +1.71% | 23.40 | 24.00 | 23.30 | 23.80 | 23.80 | 13.56 | 73,490 |   |  
            | 7/1/2010 | 0.00 / 0.00% | 23.50 | 23.70 | 23.20 | 23.40 | 23.40 | 13.33 | 58,310 |   |  			
            | 6/30/2010 | -0.90 / -3.70% | 23.60 | 24.20 | 23.40 | 23.40 | 23.40 | 13.33 | 187,810 |   |  
            | 6/29/2010 | -0.40 / -1.62% | 24.70 | 24.80 | 24.30 | 24.30 | 24.30 | 13.85 | 58,240 |   |  			
            | 6/28/2010 | +0.10 / +0.41% | 24.60 | 25.20 | 24.50 | 24.70 | 24.70 | 14.08 | 66,860 |   |  
            | 6/25/2010 | -1.00 / -3.91% | 25.60 | 25.60 | 24.60 | 24.60 | 24.60 | 14.02 | 141,150 |   |  			
            | 6/24/2010 | -0.40 / -1.54% | 26.00 | 26.30 | 25.60 | 25.60 | 25.60 | 14.59 | 248,570 |   |  
            | 6/23/2010 | 0.00 / 0.00% | 25.10 | 26.20 | 25.10 | 26.00 | 26.00 | 14.82 | 170,050 |   |  			
            | 6/22/2010 | -0.50 / -1.89% | 25.80 | 26.60 | 25.80 | 26.00 | 26.00 | 14.82 | 180,200 |   |  
            | 6/21/2010 | +0.60 / +2.32% | 25.70 | 26.90 | 25.70 | 26.50 | 26.50 | 15.10 | 341,180 |   |  			
            | 6/18/2010 | 0.00 / 0.00% | 25.90 | 25.90 | 25.90 | 25.90 | 25.90 | 14.76 | 226,390 |   |  
            | 6/17/2010 | -0.40 / -1.52% | 26.30 | 26.80 | 25.90 | 25.90 | 25.90 | 14.76 | 290,450 |   |  			
            | 6/16/2010 | -0.50 / -1.87% | 26.10 | 27.40 | 26.10 | 26.30 | 26.30 | 14.99 | 405,880 |   |  
            | 6/15/2010 | -0.70 / -2.55% | 27.50 | 27.80 | 26.70 | 26.80 | 26.80 | 15.27 | 210,600 |   |  			
            | 6/14/2010 | -0.10 / -0.36% | 28.00 | 28.00 | 27.40 | 27.50 | 27.50 | 15.67 | 92,930 |   |  
            | 6/11/2010 | +0.80 / +2.99% | 27.90 | 28.10 | 27.10 | 27.60 | 27.60 | 15.73 | 468,500 |   |  			
            | 6/10/2010 | +1.20 / +4.69% | 25.00 | 26.80 | 25.00 | 26.80 | 26.80 | 15.27 | 354,290 |   |  
            | 6/9/2010 | -0.70 / -2.66% | 25.60 | 26.90 | 25.60 | 25.60 | 25.60 | 14.59 | 325,680 |   |  			
            | 6/8/2010 | -1.30 / -4.71% | 26.30 | 27.00 | 26.30 | 26.30 | 26.30 | 14.99 | 283,450 |   |  
            | 6/7/2010 | -1.40 / -4.83% | 27.60 | 28.00 | 27.60 | 27.60 | 27.60 | 15.73 | 242,570 |   |  			
            | 6/4/2010 | +0.20 / +0.69% | 29.00 | 29.90 | 28.80 | 29.00 | 29.00 | 16.53 | 556,440 |   |  
            | 6/3/2010 | +1.30 / +4.73% | 28.00 | 28.80 | 27.50 | 28.80 | 28.80 | 16.41 | 621,520 |   |  |