| 
                 
                    Closing price on 9/24/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    18.10 | 
                 
                
                    | High | 
                    18.10 | 
                 
                
                    | Low | 
                    17.70 | 
                     
                
                    | Volume | 
                    6,550 | 
                                 
                
                    | Split-adjusted Price | 
                    10.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VNA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/24/2010
             | 
            
                -0.10 / -0.56%
             |             
            
                18.10
             |           
            
                18.10
             |               
            
                17.70
             |                           
            
                17.80
             | 
            
                17.80
             |                     
            
                10.14
             |                                 
            
                6,550
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2010
             | 
            
                -0.60 / -3.24%
             |             
            
                18.20
             |           
            
                18.40
             |               
            
                17.70
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                10.20
             |                                 
            
                41,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2010
             | 
            
                +0.20 / +1.09%
             |             
            
                18.10
             |           
            
                18.50
             |               
            
                17.90
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                10.54
             |                                 
            
                85,490
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2010
             | 
            
                -0.40 / -2.14%
             |             
            
                18.40
             |           
            
                18.70
             |               
            
                18.30
             |                           
            
                18.30
             | 
            
                18.30
             |                     
            
                10.43
             |                                 
            
                44,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2010
             | 
            
                0.00 / 0.00%
             |             
            
                18.70
             |           
            
                19.00
             |               
            
                18.50
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                10.66
             |                                 
            
                38,790
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2010
             | 
            
                +0.80 / +4.47%
             |             
            
                18.30
             |           
            
                18.70
             |               
            
                18.30
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                10.66
             |                                 
            
                105,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2010
             | 
            
                +0.40 / +2.29%
             |             
            
                16.90
             |           
            
                18.30
             |               
            
                16.90
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                10.20
             |                                 
            
                33,990
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2010
             | 
            
                -0.40 / -2.23%
             |             
            
                17.60
             |           
            
                17.80
             |               
            
                17.40
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                9.97
             |                                 
            
                46,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2010
             | 
            
                -0.10 / -0.56%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                17.50
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                10.20
             |                                 
            
                63,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2010
             | 
            
                -0.60 / -3.23%
             |             
            
                18.20
             |           
            
                18.50
             |               
            
                17.70
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                10.26
             |                                 
            
                64,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2010
             | 
            
                -0.90 / -4.62%
             |             
            
                19.10
             |           
            
                19.50
             |               
            
                18.60
             |                           
            
                18.60
             | 
            
                18.60
             |                     
            
                10.60
             |                                 
            
                53,220
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2010
             | 
            
                +0.20 / +1.04%
             |             
            
                19.30
             |           
            
                20.00
             |               
            
                19.00
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                11.11
             |                                 
            
                87,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2010
             | 
            
                +0.90 / +4.89%
             |             
            
                19.30
             |           
            
                19.30
             |               
            
                18.80
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                11.00
             |                                 
            
                590,890
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2010
             | 
            
                +0.80 / +4.55%
             |             
            
                18.40
             |           
            
                18.40
             |               
            
                18.40
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                10.49
             |                                 
            
                10,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2010
             | 
            
                +0.80 / +4.76%
             |             
            
                17.60
             |           
            
                17.60
             |               
            
                17.60
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                10.03
             |                                 
            
                59,220
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2010
             | 
            
                -0.10 / -0.59%
             |             
            
                17.10
             |           
            
                17.10
             |               
            
                16.80
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                9.57
             |                                 
            
                54,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2010
             | 
            
                +0.60 / +3.68%
             |             
            
                16.30
             |           
            
                17.10
             |               
            
                16.00
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                9.63
             |                                 
            
                66,020
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2010
             | 
            
                +0.70 / +4.49%
             |             
            
                16.30
             |           
            
                16.30
             |               
            
                16.30
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                9.29
             |                                 
            
                78,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2010
             | 
            
                -0.50 / -3.11%
             |             
            
                15.50
             |           
            
                16.10
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                8.89
             |                                 
            
                60,740
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                15.50
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                9.17
             |                                 
            
                53,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2010
             | 
            
                -0.80 / -4.73%
             |             
            
                16.10
             |           
            
                16.90
             |               
            
                16.10
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                9.17
             |                                 
            
                122,720
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2010
             | 
            
                -0.80 / -4.52%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                16.90
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                9.63
             |                                 
            
                42,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2010
             | 
            
                0.00 / 0.00%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                17.30
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                10.09
             |                                 
            
                33,130
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2010
             | 
            
                -0.10 / -0.56%
             |             
            
                17.80
             |           
            
                17.80
             |               
            
                17.30
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                10.09
             |                                 
            
                21,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2010
             | 
            
                -0.20 / -1.11%
             |             
            
                18.80
             |           
            
                18.80
             |               
            
                17.80
             |                           
            
                17.80
             | 
            
                17.80
             |                     
            
                10.14
             |                                 
            
                28,690
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2010
             | 
            
                -0.90 / -4.76%
             |             
            
                18.90
             |           
            
                18.90
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                10.26
             |                                 
            
                52,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2010
             | 
            
                -0.10 / -0.53%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                10.77
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2010
             | 
            
                +0.90 / +4.97%
             |             
            
                18.50
             |           
            
                19.00
             |               
            
                18.20
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                10.83
             |                                 
            
                45,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                17.50
             |           
            
                19.00
             |               
            
                17.40
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                10.31
             |                                 
            
                35,570
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2010
             | 
            
                -0.90 / -4.74%
             |             
            
                18.30
             |           
            
                18.30
             |               
            
                18.10
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                10.31
             |                                 
            
                34,980
             |  
            
                 
             |                                                              
             
    
         
    
    
 |