| 
                 
                    Closing price on 3/3/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    11.70 | 
                 
                
                    | High | 
                    12.00 | 
                 
                
                    | Low | 
                    11.70 | 
                     
                
                    | Volume | 
                    6,400 | 
                                 
                
                    | Split-adjusted Price | 
                    2.87 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VC6 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/3/2011
             | 
            
                -0.30 / -2.44%
             |             
            
                11.70
             |           
            
                12.00
             |               
            
                11.70
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                2.87
             |                                 
            
                6,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2011
             | 
            
                -1.20 / -8.89%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                2.94
             |                                 
            
                11,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2011
             | 
            
                -0.10 / -0.74%
             |             
            
                13.20
             |           
            
                13.50
             |               
            
                13.10
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                3.23
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2011
             | 
            
                -0.60 / -4.23%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.60
             |                           
            
                13.60
             | 
            
                13.60
             |                     
            
                3.25
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2011
             | 
            
                +0.40 / +2.90%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                3.39
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2011
             | 
            
                -3.50 / -20.23%
             |             
            
                14.40
             |           
            
                14.40
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                3.30
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.50
             |               
            
                17.00
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                3.30
             |                                 
            
                30,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2011
             | 
            
                +1.00 / +6.13%
             |             
            
                16.40
             |           
            
                17.30
             |               
            
                16.40
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                3.30
             |                                 
            
                29,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2011
             | 
            
                -1.40 / -7.91%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                16.20
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                3.11
             |                                 
            
                18,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2011
             | 
            
                -0.50 / -2.75%
             |             
            
                17.70
             |           
            
                18.20
             |               
            
                17.20
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                3.37
             |                                 
            
                16,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2011
             | 
            
                -1.00 / -5.21%
             |             
            
                19.20
             |           
            
                19.20
             |               
            
                17.90
             |                           
            
                18.20
             | 
            
                18.20
             |                     
            
                3.47
             |                                 
            
                9,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2011
             | 
            
                -0.10 / -0.52%
             |             
            
                18.80
             |           
            
                19.40
             |               
            
                18.80
             |                           
            
                19.20
             | 
            
                19.20
             |                     
            
                3.66
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2011
             | 
            
                0.00 / 0.00%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.10
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                3.68
             |                                 
            
                13,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2011
             | 
            
                +0.80 / +4.32%
             |             
            
                19.30
             |           
            
                19.30
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                3.68
             |                                 
            
                77,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2011
             | 
            
                +0.50 / +2.78%
             |             
            
                18.00
             |           
            
                18.50
             |               
            
                17.50
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                3.53
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2011
             | 
            
                -0.50 / -2.70%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                3.43
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2011
             | 
            
                +0.50 / +2.78%
             |             
            
                18.00
             |           
            
                18.50
             |               
            
                18.00
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                3.53
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2011
             | 
            
                +0.60 / +3.45%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                3.43
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2011
             | 
            
                -0.10 / -0.57%
             |             
            
                17.60
             |           
            
                17.60
             |               
            
                17.40
             |                           
            
                17.40
             | 
            
                17.40
             |                     
            
                3.32
             |                                 
            
                8,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2011
             | 
            
                +0.10 / +0.57%
             |             
            
                17.40
             |           
            
                17.90
             |               
            
                17.40
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                3.34
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2011
             | 
            
                0.00 / 0.00%
             |             
            
                18.40
             |           
            
                18.40
             |               
            
                17.20
             |                           
            
                17.40
             | 
            
                17.40
             |                     
            
                3.32
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2011
             | 
            
                -0.10 / -0.57%
             |             
            
                17.40
             |           
            
                17.40
             |               
            
                17.40
             |                           
            
                17.40
             | 
            
                17.40
             |                     
            
                3.32
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2011
             | 
            
                -0.90 / -4.89%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                17.50
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                3.34
             |                                 
            
                8,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2011
             | 
            
                +0.60 / +3.37%
             |             
            
                17.80
             |           
            
                18.40
             |               
            
                17.60
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                3.51
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2011
             | 
            
                +0.30 / +1.71%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                17.80
             |                           
            
                17.80
             | 
            
                17.80
             |                     
            
                3.39
             |                                 
            
                7,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2011
             | 
            
                -0.80 / -4.37%
             |             
            
                17.50
             |           
            
                17.50
             |               
            
                17.50
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                3.34
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2011
             | 
            
                -0.70 / -3.68%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.30
             |                           
            
                18.30
             | 
            
                18.30
             |                     
            
                3.49
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2011
             | 
            
                +0.50 / +2.70%
             |             
            
                19.00
             |           
            
                19.20
             |               
            
                18.90
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                3.62
             |                                 
            
                12,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2011
             | 
            
                +0.50 / +2.78%
             |             
            
                18.00
             |           
            
                18.50
             |               
            
                18.00
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                3.53
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2011
             | 
            
                +0.50 / +2.86%
             |             
            
                18.00
             |           
            
                18.40
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                3.43
             |                                 
            
                6,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |