| 
                 
                    Closing price on 7/5/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    24.00 | 
                 
                
                    | High | 
                    24.40 | 
                 
                
                    | Low | 
                    24.00 | 
                     
                
                    | Volume | 
                    50,750 | 
                                 
                
                    | Split-adjusted Price | 
                    13.73 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VNA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/5/2010
             | 
            
                +0.30 / +1.26%
             |             
            
                24.00
             |           
            
                24.40
             |               
            
                24.00
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                13.73
             |                                 
            
                50,750
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2010
             | 
            
                +0.40 / +1.71%
             |             
            
                23.40
             |           
            
                24.00
             |               
            
                23.30
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                13.56
             |                                 
            
                73,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                23.50
             |           
            
                23.70
             |               
            
                23.20
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                13.33
             |                                 
            
                58,310
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2010
             | 
            
                -0.90 / -3.70%
             |             
            
                23.60
             |           
            
                24.20
             |               
            
                23.40
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                13.33
             |                                 
            
                187,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2010
             | 
            
                -0.40 / -1.62%
             |             
            
                24.70
             |           
            
                24.80
             |               
            
                24.30
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                13.85
             |                                 
            
                58,240
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2010
             | 
            
                +0.10 / +0.41%
             |             
            
                24.60
             |           
            
                25.20
             |               
            
                24.50
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                14.08
             |                                 
            
                66,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2010
             | 
            
                -1.00 / -3.91%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                14.02
             |                                 
            
                141,150
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2010
             | 
            
                -0.40 / -1.54%
             |             
            
                26.00
             |           
            
                26.30
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                14.59
             |                                 
            
                248,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2010
             | 
            
                0.00 / 0.00%
             |             
            
                25.10
             |           
            
                26.20
             |               
            
                25.10
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                14.82
             |                                 
            
                170,050
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2010
             | 
            
                -0.50 / -1.89%
             |             
            
                25.80
             |           
            
                26.60
             |               
            
                25.80
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                14.82
             |                                 
            
                180,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2010
             | 
            
                +0.60 / +2.32%
             |             
            
                25.70
             |           
            
                26.90
             |               
            
                25.70
             |                           
            
                26.50
             | 
            
                26.50
             |                     
            
                15.10
             |                                 
            
                341,180
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2010
             | 
            
                0.00 / 0.00%
             |             
            
                25.90
             |           
            
                25.90
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                14.76
             |                                 
            
                226,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2010
             | 
            
                -0.40 / -1.52%
             |             
            
                26.30
             |           
            
                26.80
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                14.76
             |                                 
            
                290,450
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2010
             | 
            
                -0.50 / -1.87%
             |             
            
                26.10
             |           
            
                27.40
             |               
            
                26.10
             |                           
            
                26.30
             | 
            
                26.30
             |                     
            
                14.99
             |                                 
            
                405,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2010
             | 
            
                -0.70 / -2.55%
             |             
            
                27.50
             |           
            
                27.80
             |               
            
                26.70
             |                           
            
                26.80
             | 
            
                26.80
             |                     
            
                15.27
             |                                 
            
                210,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2010
             | 
            
                -0.10 / -0.36%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                27.40
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                15.67
             |                                 
            
                92,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2010
             | 
            
                +0.80 / +2.99%
             |             
            
                27.90
             |           
            
                28.10
             |               
            
                27.10
             |                           
            
                27.60
             | 
            
                27.60
             |                     
            
                15.73
             |                                 
            
                468,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2010
             | 
            
                +1.20 / +4.69%
             |             
            
                25.00
             |           
            
                26.80
             |               
            
                25.00
             |                           
            
                26.80
             | 
            
                26.80
             |                     
            
                15.27
             |                                 
            
                354,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2010
             | 
            
                -0.70 / -2.66%
             |             
            
                25.60
             |           
            
                26.90
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                14.59
             |                                 
            
                325,680
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2010
             | 
            
                -1.30 / -4.71%
             |             
            
                26.30
             |           
            
                27.00
             |               
            
                26.30
             |                           
            
                26.30
             | 
            
                26.30
             |                     
            
                14.99
             |                                 
            
                283,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2010
             | 
            
                -1.40 / -4.83%
             |             
            
                27.60
             |           
            
                28.00
             |               
            
                27.60
             |                           
            
                27.60
             | 
            
                27.60
             |                     
            
                15.73
             |                                 
            
                242,570
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2010
             | 
            
                +0.20 / +0.69%
             |             
            
                29.00
             |           
            
                29.90
             |               
            
                28.80
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                16.53
             |                                 
            
                556,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2010
             | 
            
                +1.30 / +4.73%
             |             
            
                28.00
             |           
            
                28.80
             |               
            
                27.50
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                16.41
             |                                 
            
                621,520
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2010
             | 
            
                -0.70 / -2.48%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                27.10
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                15.67
             |                                 
            
                106,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2010
             | 
            
                +1.30 / +4.83%
             |             
            
                27.50
             |           
            
                28.20
             |               
            
                27.40
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                16.07
             |                                 
            
                540,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2010
             | 
            
                +1.20 / +4.67%
             |             
            
                25.70
             |           
            
                26.90
             |               
            
                25.70
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                15.33
             |                                 
            
                405,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2010
             | 
            
                +1.20 / +4.90%
             |             
            
                25.50
             |           
            
                25.70
             |               
            
                24.60
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                14.65
             |                                 
            
                608,890
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2010
             | 
            
                +0.20 / +0.82%
             |             
            
                24.00
             |           
            
                24.70
             |               
            
                23.80
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                13.96
             |                                 
            
                40,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2010
             | 
            
                +1.10 / +4.74%
             |             
            
                23.20
             |           
            
                24.30
             |               
            
                23.20
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                13.85
             |                                 
            
                82,110
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2010
             | 
            
                -0.50 / -2.11%
             |             
            
                23.00
             |           
            
                24.00
             |               
            
                23.00
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                13.22
             |                                 
            
                33,860
             |  
            
                 
             |                                                              
             
    
         
    
    
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