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            | 
                    Closing price on 5/15/2014
                 |  |  
    
        |           
                
                    | Open | 2.70 |  
                    | High | 2.80 |  
                    | Low | 2.60 |  
                    | Volume | 43,820 |  
                    | Split-adjusted Price | 1.60 |  
                
             | 
 |  VNA Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/15/2014 | +0.10 / +3.70% | 2.70 | 2.80 | 2.60 | 2.80 | 2.80 | 1.60 | 43,820 |   |  
            | 5/14/2014 | +0.10 / +3.85% | 2.50 | 2.70 | 2.50 | 2.70 | 2.70 | 1.54 | 121,030 |   |  			
            | 5/13/2014 | -0.10 / -3.70% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 1.48 | 36,290 |   |  
            | 5/12/2014 | -0.20 / -6.90% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 1.54 | 36,570 |   |  			
            | 5/9/2014 | +0.10 / +3.57% | 2.70 | 2.90 | 2.70 | 2.90 | 2.90 | 1.65 | 67,560 |   |  
            | 5/8/2014 | -0.20 / -6.67% | 2.90 | 2.90 | 2.80 | 2.80 | 2.80 | 1.60 | 39,370 |   |  			
            | 5/7/2014 | +0.10 / +3.45% | 2.80 | 3.00 | 2.80 | 3.00 | 3.00 | 1.71 | 2,070 |   |  
            | 5/6/2014 | -0.20 / -6.45% | 2.90 | 3.00 | 2.90 | 2.90 | 2.90 | 1.65 | 65,890 |   |  			
            | 5/5/2014 | -0.20 / -6.06% | 3.10 | 3.30 | 3.10 | 3.10 | 3.10 | 1.77 | 22,990 |   |  
            | 4/29/2014 | 0.00 / 0.00% | 3.20 | 3.30 | 3.10 | 3.30 | 3.30 | 1.88 | 12,870 |   |  			
            | 4/28/2014 | 0.00 / 0.00% | 3.40 | 3.40 | 3.10 | 3.30 | 3.30 | 1.88 | 61,160 |   |  
            | 4/25/2014 | +0.20 / +6.45% | 3.10 | 3.30 | 3.00 | 3.30 | 3.30 | 1.88 | 37,970 |   |  			
            | 4/24/2014 | +0.20 / +6.90% | 2.90 | 3.10 | 2.80 | 3.10 | 3.10 | 1.77 | 50,700 |   |  
            | 4/23/2014 | -0.10 / -3.33% | 2.90 | 3.10 | 2.80 | 2.90 | 2.90 | 1.65 | 86,760 |   |  			
            | 4/22/2014 | -0.10 / -3.23% | 2.90 | 3.00 | 2.90 | 3.00 | 3.00 | 1.71 | 368,680 |   |  
            | 4/21/2014 | -0.20 / -6.06% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 1.77 | 40,640 |   |  			
            | 4/18/2014 | -0.20 / -5.71% | 3.50 | 3.50 | 3.30 | 3.30 | 3.30 | 1.88 | 10,550 |   |  
            | 4/17/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 0 |   |  			
            | 4/16/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 0 |   |  
            | 4/15/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 0 |   |  			
            | 4/14/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 0 |   |  
            | 4/11/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 0 |   |  			
            | 4/10/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 0 |   |  
            | 4/8/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 0 |   |  			
            | 4/7/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1.99 | 0 |   |  
            | 4/4/2014 | 0.00 / 0.00% | 3.50 | 3.50 | 3.40 | 3.50 | 3.50 | 1.99 | 29,360 |   |  			
            | 4/3/2014 | +0.20 / +6.06% | 3.50 | 3.50 | 3.30 | 3.50 | 3.50 | 1.99 | 59,770 |   |  
            | 4/2/2014 | -0.20 / -5.71% | 3.30 | 3.40 | 3.30 | 3.30 | 3.30 | 1.88 | 192,190 |   |  			
            | 4/1/2014 | -0.20 / -5.41% | 3.50 | 3.60 | 3.50 | 3.50 | 3.50 | 1.99 | 500,490 |   |  
            | 3/31/2014 | -0.10 / -2.63% | 3.70 | 3.80 | 3.60 | 3.70 | 3.70 | 2.11 | 86,090 |   |  |