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            | 
                    Closing price on 3/13/2015
                 |  |  
    
        |           
                
                    | Open | 4.70 |  
                    | High | 4.80 |  
                    | Low | 4.70 |  
                    | Volume | 42,130 |  
                    | Split-adjusted Price | 2.74 |  
                
             | 
 |  VNA Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/13/2015 | +0.10 / +2.13% | 4.70 | 4.80 | 4.70 | 4.80 | 4.80 | 2.74 | 42,130 |   |  
            | 3/12/2015 | 0.00 / 0.00% | 4.70 | 4.80 | 4.60 | 4.70 | 4.70 | 2.68 | 84,290 |   |  			
            | 3/11/2015 | -0.30 / -6.00% | 4.90 | 5.00 | 4.70 | 4.70 | 4.70 | 2.68 | 150,180 |   |  
            | 3/10/2015 | +0.10 / +2.04% | 4.80 | 5.00 | 4.70 | 5.00 | 5.00 | 2.85 | 156,350 |   |  			
            | 3/9/2015 | 0.00 / 0.00% | 5.10 | 5.20 | 4.80 | 4.90 | 4.90 | 2.79 | 319,630 |   |  
            | 3/6/2015 | +0.30 / +6.52% | 4.60 | 4.90 | 4.60 | 4.90 | 4.90 | 2.79 | 200,800 |   |  			
            | 3/5/2015 | +0.10 / +2.22% | 4.50 | 4.70 | 4.40 | 4.60 | 4.60 | 2.62 | 130,470 |   |  
            | 3/4/2015 | 0.00 / 0.00% | 4.50 | 4.50 | 4.40 | 4.50 | 4.50 | 2.56 | 71,550 |   |  			
            | 3/3/2015 | 0.00 / 0.00% | 4.70 | 4.70 | 4.50 | 4.50 | 4.50 | 2.56 | 126,050 |   |  
            | 3/2/2015 | +0.20 / +4.65% | 4.30 | 4.60 | 4.30 | 4.50 | 4.50 | 2.56 | 188,450 |   |  			
            | 2/27/2015 | +0.10 / +2.38% | 4.20 | 4.40 | 4.20 | 4.30 | 4.30 | 2.45 | 30,080 |   |  
            | 2/26/2015 | -0.20 / -4.55% | 4.30 | 4.40 | 4.20 | 4.20 | 4.20 | 2.39 | 80,540 |   |  			
            | 2/25/2015 | 0.00 / 0.00% | 4.40 | 4.40 | 4.30 | 4.40 | 4.40 | 2.51 | 121,830 |   |  
            | 2/24/2015 | +0.10 / +2.33% | 4.30 | 4.40 | 4.20 | 4.40 | 4.40 | 2.51 | 20,850 |   |  			
            | 2/13/2015 | 0.00 / 0.00% | 4.30 | 4.30 | 4.20 | 4.30 | 4.30 | 2.45 | 27,590 |   |  
            | 2/12/2015 | +0.10 / +2.38% | 4.10 | 4.40 | 4.10 | 4.30 | 4.30 | 2.45 | 39,160 |   |  			
            | 2/11/2015 | +0.10 / +2.44% | 4.10 | 4.20 | 4.10 | 4.20 | 4.20 | 2.39 | 32,440 |   |  
            | 2/10/2015 | 0.00 / 0.00% | 4.00 | 4.30 | 4.00 | 4.10 | 4.10 | 2.34 | 21,220 |   |  			
            | 2/9/2015 | -0.20 / -4.65% | 4.30 | 4.30 | 4.10 | 4.10 | 4.10 | 2.34 | 24,330 |   |  
            | 2/6/2015 | 0.00 / 0.00% | 4.30 | 4.30 | 4.20 | 4.30 | 4.30 | 2.45 | 24,510 |   |  			
            | 2/5/2015 | 0.00 / 0.00% | 4.50 | 4.50 | 4.30 | 4.30 | 4.30 | 2.45 | 65,950 |   |  
            | 2/4/2015 | +0.20 / +4.88% | 4.10 | 4.30 | 4.10 | 4.30 | 4.30 | 2.45 | 390,210 |   |  			
            | 2/3/2015 | +0.10 / +2.50% | 4.00 | 4.20 | 4.00 | 4.10 | 4.10 | 2.34 | 117,770 |   |  
            | 2/2/2015 | 0.00 / 0.00% | 4.00 | 4.10 | 3.90 | 4.00 | 4.00 | 2.28 | 18,310 |   |  			
            | 1/30/2015 | 0.00 / 0.00% | 3.80 | 4.00 | 3.80 | 4.00 | 4.00 | 2.28 | 106,100 |   |  
            | 1/29/2015 | -0.10 / -2.44% | 4.00 | 4.10 | 3.90 | 4.00 | 4.00 | 2.28 | 139,640 |   |  			
            | 1/28/2015 | -0.10 / -2.38% | 4.10 | 4.20 | 4.00 | 4.10 | 4.10 | 2.34 | 59,360 |   |  
            | 1/27/2015 | -0.10 / -2.33% | 4.30 | 4.30 | 4.10 | 4.20 | 4.20 | 2.39 | 42,200 |   |  			
            | 1/26/2015 | 0.00 / 0.00% | 4.40 | 4.40 | 4.20 | 4.30 | 4.30 | 2.45 | 419,450 |   |  
            | 1/23/2015 | +0.20 / +4.88% | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 2.45 | 85,320 |   |  |