| 
                 
                    Closing price on 2/4/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.70 | 
                 
                
                    | High | 
                    2.70 | 
                 
                
                    | Low | 
                    2.60 | 
                     
                
                    | Volume | 
                    6,310 | 
                                 
                
                    | Split-adjusted Price | 
                    1.54 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VNA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                6,310
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                12,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                9,840
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2013
             | 
            
                -0.10 / -3.57%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                26,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2013
             | 
            
                -0.10 / -3.45%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                3,550
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                1.65
             |                                 
            
                36,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2013
             | 
            
                +0.10 / +3.57%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                1.65
             |                                 
            
                35,640
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2013
             | 
            
                +0.10 / +3.70%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                3,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2013
             | 
            
                -0.10 / -3.57%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                26,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2013
             | 
            
                +0.10 / +3.70%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                65,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2013
             | 
            
                -0.20 / -6.90%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                21,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2013
             | 
            
                +0.10 / +3.57%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                1.65
             |                                 
            
                8,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                81,410
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2013
             | 
            
                +0.10 / +3.70%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                110,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                13,070
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2013
             | 
            
                +0.10 / +3.85%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                22,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2013
             | 
            
                -0.10 / -3.70%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                1.48
             |                                 
            
                11,140
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2013
             | 
            
                +0.10 / +3.85%
             |             
            
                2.60
             |           
            
                2.70
             |               
            
                2.50
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                20,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2013
             | 
            
                -0.10 / -3.70%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                1.48
             |                                 
            
                25,620
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2013
             | 
            
                +0.10 / +3.85%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                17,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2013
             | 
            
                -0.10 / -3.70%
             |             
            
                2.60
             |           
            
                2.80
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                1.48
             |                                 
            
                58,320
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2013
             | 
            
                -0.10 / -3.57%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                2,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                25,350
             |            
            
                 
             |                                       
         
    
        
            | 
                1/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                175,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2012
             | 
            
                -0.10 / -3.45%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                160
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2012
             | 
            
                +0.10 / +3.57%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                1.65
             |                                 
            
                7,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2012
             | 
            
                +0.10 / +3.70%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                1.60
             |                                 
            
                17,130
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2012
             | 
            
                +0.10 / +3.85%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.50
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                1.54
             |                                 
            
                162,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2012
             | 
            
                +0.10 / +4.00%
             |             
            
                2.50
             |           
            
                2.60
             |               
            
                2.50
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                1.48
             |                                 
            
                2,010
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                1.42
             |                                 
            
                9,650
             |  
            
                 
             |                                                              
             
    
         
    
    
 |