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            | 
                    Closing price on 5/27/2015
                 |  |  
    
        |           
                
                    | Open | 3.20 |  
                    | High | 3.30 |  
                    | Low | 3.10 |  
                    | Volume | 41,460 |  
                    | Split-adjusted Price | 1.88 |  
                
             | 
 |  VNA Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/27/2015 | 0.00 / 0.00% | 3.20 | 3.30 | 3.10 | 3.30 | 3.16 | 1.88 | 41,460 |   |  
            | 5/26/2015 | -0.10 / -2.94% | 3.40 | 3.40 | 3.20 | 3.30 | 3.21 | 1.88 | 57,950 |   |  			
            | 5/25/2015 | 0.00 / 0.00% | 3.30 | 3.40 | 3.20 | 3.40 | 3.27 | 1.94 | 57,500 |   |  
            | 5/22/2015 | +0.10 / +3.03% | 3.40 | 3.40 | 3.20 | 3.40 | 3.30 | 1.94 | 27,580 |   |  			
            | 5/21/2015 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 1.88 | 23,580 |   |  
            | 5/20/2015 | 0.00 / 0.00% | 3.20 | 3.30 | 3.10 | 3.30 | 3.14 | 1.88 | 83,320 |   |  			
            | 5/19/2015 | 0.00 / 0.00% | 3.30 | 3.30 | 3.20 | 3.30 | 3.28 | 1.88 | 3,610 |   |  
            | 5/18/2015 | 0.00 / 0.00% | 3.30 | 3.30 | 3.20 | 3.30 | 3.24 | 1.88 | 21,290 |   |  			
            | 5/15/2015 | -0.10 / -2.94% | 3.20 | 3.30 | 3.20 | 3.30 | 3.20 | 1.88 | 175,780 |   |  
            | 5/14/2015 | 0.00 / 0.00% | 3.20 | 3.40 | 3.20 | 3.40 | 3.31 | 1.94 | 13,000 |   |  			
            | 5/13/2015 | +0.20 / +6.25% | 3.20 | 3.40 | 3.20 | 3.40 | 3.21 | 1.94 | 21,490 |   |  
            | 5/12/2015 | -0.20 / -5.88% | 3.40 | 3.40 | 3.20 | 3.20 | 3.29 | 1.82 | 59,820 |   |  			
            | 5/11/2015 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 1.94 | 8,480 |   |  
            | 5/8/2015 | +0.10 / +3.03% | 3.20 | 3.40 | 3.20 | 3.40 | 3.34 | 1.94 | 7,180 |   |  			
            | 5/7/2015 | -0.10 / -2.94% | 3.30 | 3.30 | 3.20 | 3.30 | 3.23 | 1.88 | 78,790 |   |  
            | 5/6/2015 | -0.20 / -5.56% | 3.60 | 3.60 | 3.40 | 3.40 | 3.41 | 1.94 | 22,320 |   |  			
            | 5/5/2015 | +0.20 / +5.88% | 3.30 | 3.60 | 3.20 | 3.60 | 3.27 | 2.05 | 72,380 |   |  
            | 5/4/2015 | -0.20 / -5.56% | 3.50 | 3.50 | 3.40 | 3.40 | 3.45 | 1.94 | 23,830 |   |  			
            | 4/27/2015 | +0.10 / +2.86% | 3.40 | 3.60 | 3.40 | 3.60 | 3.50 | 2.05 | 31,100 |   |  
            | 4/24/2015 | -0.20 / -5.41% | 3.50 | 3.60 | 3.50 | 3.50 | 3.50 | 1.99 | 148,250 |   |  			
            | 4/23/2015 | -0.20 / -5.13% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 2.11 | 35,780 |   |  
            | 4/22/2015 | -0.20 / -4.88% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 2.22 | 15,970 |   |  			
            | 4/21/2015 | -0.10 / -2.38% | 4.10 | 4.20 | 4.10 | 4.10 | 4.18 | 2.34 | 3,110 |   |  
            | 4/20/2015 | 0.00 / 0.00% | 4.10 | 4.30 | 4.10 | 4.20 | 4.17 | 2.39 | 43,650 |   |  			
            | 4/17/2015 | -0.30 / -6.67% | 4.30 | 4.40 | 4.20 | 4.20 | 4.24 | 2.39 | 40,600 |   |  
            | 4/16/2015 | +0.20 / +4.65% | 4.30 | 4.50 | 4.00 | 4.50 | 4.11 | 2.56 | 146,070 |   |  			
            | 4/15/2015 | 0.00 / 0.00% | 4.20 | 4.30 | 4.00 | 4.30 | 4.23 | 2.45 | 710 |   |  
            | 4/14/2015 | 0.00 / 0.00% | 4.30 | 4.30 | 4.00 | 4.30 | 4.12 | 2.45 | 58,710 |   |  			
            | 4/13/2015 | -0.10 / -2.27% | 4.30 | 4.50 | 4.30 | 4.30 | 4.34 | 2.45 | 27,880 |   |  
            | 4/10/2015 | 0.00 / 0.00% | 4.40 | 4.40 | 4.30 | 4.40 | 4.38 | 2.51 | 5,670 |   |  |