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                    Closing price on 9/13/2012
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        |           
                
                    | Open | 3.00 |  
                    | High | 3.10 |  
                    | Low | 3.00 |  
                    | Volume | 9,420 |  
                    | Split-adjusted Price | 1.77 |  
                
             | 
 |  VNA Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/13/2012 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 1.77 | 9,420 |   |  
            | 9/12/2012 | -0.10 / -3.13% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 1.77 | 5,020 |   |  			
            | 9/11/2012 | 0.00 / 0.00% | 3.10 | 3.20 | 3.10 | 3.20 | 3.20 | 1.82 | 5,020 |   |  
            | 9/10/2012 | +0.10 / +3.23% | 3.20 | 3.20 | 3.00 | 3.20 | 3.20 | 1.82 | 52,150 |   |  			
            | 9/7/2012 | 0.00 / 0.00% | 3.10 | 3.10 | 3.00 | 3.10 | 3.10 | 1.77 | 5,890 |   |  
            | 9/6/2012 | -0.10 / -3.13% | 3.30 | 3.30 | 3.10 | 3.10 | 3.10 | 1.77 | 8,350 |   |  			
            | 9/5/2012 | -0.10 / -3.03% | 3.40 | 3.40 | 3.20 | 3.20 | 3.20 | 1.82 | 7,650 |   |  
            | 9/4/2012 | +0.10 / +3.13% | 3.10 | 3.30 | 3.10 | 3.30 | 3.30 | 1.88 | 20,530 |   |  			
            | 8/31/2012 | -0.10 / -3.03% | 3.20 | 3.30 | 3.20 | 3.20 | 3.20 | 1.82 | 37,420 |   |  
            | 8/30/2012 | -0.10 / -2.94% | 3.30 | 3.50 | 3.30 | 3.30 | 3.30 | 1.88 | 22,760 |   |  			
            | 8/29/2012 | 0.00 / 0.00% | 3.30 | 3.50 | 3.30 | 3.40 | 3.40 | 1.94 | 11,930 |   |  
            | 8/28/2012 | -0.10 / -2.86% | 3.40 | 3.50 | 3.40 | 3.40 | 3.40 | 1.94 | 22,220 |   |  			
            | 8/27/2012 | -0.10 / -2.78% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 4,340 |   |  
            | 8/24/2012 | 0.00 / 0.00% | 3.50 | 3.60 | 3.50 | 3.60 | 3.60 | 2.05 | 57,810 |   |  			
            | 8/23/2012 | -0.10 / -2.70% | 3.60 | 3.60 | 3.60 | 3.60 | 3.60 | 2.05 | 9,020 |   |  
            | 8/22/2012 | +0.10 / +2.78% | 3.50 | 3.70 | 3.50 | 3.70 | 3.70 | 2.11 | 42,730 |   |  			
            | 8/21/2012 | -0.10 / -2.70% | 3.60 | 3.70 | 3.60 | 3.60 | 3.60 | 2.05 | 17,540 |   |  
            | 8/20/2012 | -0.10 / -2.63% | 3.70 | 3.80 | 3.70 | 3.70 | 3.70 | 2.11 | 870 |   |  			
            | 8/17/2012 | +0.10 / +2.70% | 3.70 | 3.80 | 3.70 | 3.80 | 3.80 | 2.17 | 10,200 |   |  
            | 8/16/2012 | -0.10 / -2.63% | 3.70 | 3.80 | 3.70 | 3.70 | 3.70 | 2.11 | 4,010 |   |  			
            | 8/15/2012 | 0.00 / 0.00% | 3.70 | 3.80 | 3.70 | 3.80 | 3.80 | 2.17 | 21,810 |   |  
            | 8/14/2012 | 0.00 / 0.00% | 3.70 | 3.80 | 3.70 | 3.80 | 3.80 | 2.17 | 2,040 |   |  			
            | 8/13/2012 | 0.00 / 0.00% | 3.70 | 3.80 | 3.70 | 3.80 | 3.80 | 2.17 | 3,210 |   |  
            | 8/10/2012 | 0.00 / 0.00% | 3.80 | 3.80 | 3.70 | 3.80 | 3.80 | 2.17 | 4,520 |   |  			
            | 8/9/2012 | 0.00 / 0.00% | 3.90 | 3.90 | 3.80 | 3.80 | 3.80 | 2.17 | 10,420 |   |  
            | 8/8/2012 | -0.20 / -5.00% | 3.80 | 3.90 | 3.80 | 3.80 | 3.80 | 2.17 | 8,100 |   |  			
            | 8/7/2012 | +0.10 / +2.56% | 3.90 | 4.00 | 3.90 | 4.00 | 4.00 | 2.28 | 3,210 |   |  
            | 8/6/2012 | +0.10 / +2.63% | 3.80 | 3.90 | 3.80 | 3.90 | 3.90 | 2.22 | 19,090 |   |  			
            | 8/3/2012 | 0.00 / 0.00% | 3.90 | 3.90 | 3.80 | 3.80 | 3.80 | 2.17 | 6,040 |   |  
            | 8/2/2012 | 0.00 / 0.00% | 3.80 | 3.80 | 3.70 | 3.80 | 3.80 | 2.17 | 4,830 |   |  |