| 
                 
                    Closing price on 2/9/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    24.00 | 
                 
                
                    | High | 
                    24.00 | 
                 
                
                    | Low | 
                    24.00 | 
                     
                
                    | Volume | 
                    400 | 
                                 
                
                    | Split-adjusted Price | 
                    18.55 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
V21 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/9/2011
             | 
            
                +1.90 / +8.60%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                18.55
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2011
             | 
            
                -1.00 / -4.33%
             |             
            
                23.10
             |           
            
                23.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                17.08
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2011
             | 
            
                -0.50 / -2.12%
             |             
            
                23.10
             |           
            
                23.10
             |               
            
                23.10
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                17.85
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2011
             | 
            
                -1.40 / -5.60%
             |             
            
                24.00
             |           
            
                25.30
             |               
            
                23.60
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                18.24
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2011
             | 
            
                +1.50 / +6.38%
             |             
            
                25.10
             |           
            
                25.10
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                19.32
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2011
             | 
            
                -1.50 / -6.00%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.40
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                18.16
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2011
             | 
            
                -1.70 / -6.37%
             |             
            
                25.00
             |           
            
                25.20
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                19.32
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2011
             | 
            
                +0.10 / +0.38%
             |             
            
                26.70
             |           
            
                26.70
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                20.63
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2011
             | 
            
                +0.60 / +2.31%
             |             
            
                26.70
             |           
            
                26.70
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                20.55
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2011
             | 
            
                -0.70 / -2.62%
             |             
            
                27.10
             |           
            
                27.10
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                20.09
             |                                 
            
                7,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2011
             | 
            
                -2.00 / -6.97%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                20.63
             |                                 
            
                15,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2011
             | 
            
                +1.30 / +4.74%
             |             
            
                28.70
             |           
            
                28.70
             |               
            
                28.70
             |                           
            
                28.70
             | 
            
                28.70
             |                     
            
                22.18
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2011
             | 
            
                +0.20 / +0.74%
             |             
            
                27.80
             |           
            
                27.80
             |               
            
                27.40
             |                           
            
                27.40
             | 
            
                27.40
             |                     
            
                21.17
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2011
             | 
            
                +1.40 / +5.43%
             |             
            
                25.80
             |           
            
                27.20
             |               
            
                25.80
             |                           
            
                27.20
             | 
            
                27.20
             |                     
            
                21.02
             |                                 
            
                10,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2011
             | 
            
                +0.20 / +0.78%
             |             
            
                25.50
             |           
            
                26.00
             |               
            
                25.50
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                19.94
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2011
             | 
            
                -0.10 / -0.39%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                19.78
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2011
             | 
            
                +1.00 / +4.05%
             |             
            
                26.10
             |           
            
                26.10
             |               
            
                25.50
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                19.86
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2011
             | 
            
                +0.10 / +0.41%
             |             
            
                25.40
             |           
            
                25.50
             |               
            
                24.70
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                19.09
             |                                 
            
                1,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2011
             | 
            
                -1.40 / -5.38%
             |             
            
                25.80
             |           
            
                25.80
             |               
            
                24.40
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                19.01
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2011
             | 
            
                -0.10 / -0.38%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                20.09
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2011
             | 
            
                +0.10 / +0.38%
             |             
            
                26.10
             |           
            
                26.10
             |               
            
                26.10
             |                           
            
                26.10
             | 
            
                26.10
             |                     
            
                20.17
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2010
             | 
            
                +0.10 / +0.39%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                20.09
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2010
             | 
            
                +0.40 / +1.57%
             |             
            
                25.90
             |           
            
                25.90
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                20.01
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2010
             | 
            
                +0.50 / +2.00%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                25.50
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                19.70
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2010
             | 
            
                -0.90 / -3.47%
             |             
            
                26.20
             |           
            
                26.20
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                19.32
             |                                 
            
                8,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2010
             | 
            
                -0.90 / -3.36%
             |             
            
                25.00
             |           
            
                25.90
             |               
            
                25.00
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                20.01
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2010
             | 
            
                +1.10 / +4.28%
             |             
            
                26.80
             |           
            
                26.80
             |               
            
                26.80
             |                           
            
                26.80
             | 
            
                26.80
             |                     
            
                20.71
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2010
             | 
            
                -1.60 / -5.86%
             |             
            
                26.80
             |           
            
                26.80
             |               
            
                25.70
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                19.86
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2010
             | 
            
                +1.10 / +4.20%
             |             
            
                27.70
             |           
            
                27.70
             |               
            
                25.10
             |                           
            
                27.30
             | 
            
                27.30
             |                     
            
                21.10
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2010
             | 
            
                0.00 / 0.00%
             |             
            
                26.80
             |           
            
                26.80
             |               
            
                26.10
             |                           
            
                26.20
             | 
            
                26.20
             |                     
            
                20.25
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |