| 
                 
                    Closing price on 5/4/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    10.60 | 
                 
                
                    | High | 
                    10.60 | 
                 
                
                    | Low | 
                    10.60 | 
                     
                
                    | Volume | 
                    5,000 | 
                                 
                
                    | Split-adjusted Price | 
                    2.53 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VC6 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/4/2011
             | 
            
                -0.20 / -1.85%
             |             
            
                10.60
             |           
            
                10.60
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                2.53
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2011
             | 
            
                +0.10 / +0.93%
             |             
            
                10.10
             |           
            
                11.00
             |               
            
                10.10
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                2.58
             |                                 
            
                11,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2011
             | 
            
                -0.30 / -2.73%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.60
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                2.56
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2011
             | 
            
                +0.50 / +4.76%
             |             
            
                10.60
             |           
            
                11.00
             |               
            
                10.60
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                2.63
             |                                 
            
                5,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2011
             | 
            
                -0.50 / -4.55%
             |             
            
                11.40
             |           
            
                11.40
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                2.51
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2011
             | 
            
                +0.30 / +2.80%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.50
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                2.63
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2011
             | 
            
                0.00 / 0.00%
             |             
            
                11.10
             |           
            
                11.10
             |               
            
                10.00
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                2.56
             |                                 
            
                6,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.60
             |           
            
                10.70
             |               
            
                10.60
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                2.56
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2011
             | 
            
                +0.20 / +1.90%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.60
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                2.56
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2011
             | 
            
                -0.10 / -0.94%
             |             
            
                10.30
             |           
            
                10.50
             |               
            
                10.30
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                2.51
             |                                 
            
                7,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2011
             | 
            
                +0.10 / +0.95%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                2.53
             |                                 
            
                14,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2011
             | 
            
                -1.00 / -8.70%
             |             
            
                11.40
             |           
            
                11.70
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                2.51
             |                                 
            
                26,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2011
             | 
            
                -0.30 / -2.54%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                10.70
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                2.75
             |                                 
            
                6,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2011
             | 
            
                -0.30 / -2.48%
             |             
            
                11.30
             |           
            
                11.80
             |               
            
                11.30
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                2.82
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2011
             | 
            
                -0.90 / -6.92%
             |             
            
                12.10
             |           
            
                12.10
             |               
            
                12.10
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                2.89
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                3.11
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2011
             | 
            
                +0.40 / +3.17%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                3.11
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2011
             | 
            
                +0.20 / +1.61%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                12.60
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                3.01
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2011
             | 
            
                -0.50 / -3.88%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                2.96
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2011
             | 
            
                +0.80 / +6.61%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                3.08
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2011
             | 
            
                -0.10 / -0.82%
             |             
            
                12.70
             |           
            
                12.90
             |               
            
                12.10
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                2.89
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2011
             | 
            
                +0.10 / +0.83%
             |             
            
                12.10
             |           
            
                12.20
             |               
            
                12.10
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                2.92
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2011
             | 
            
                -0.80 / -6.20%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.10
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                2.89
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2011
             | 
            
                +0.20 / +1.57%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                12.90
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                3.08
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2011
             | 
            
                -0.50 / -3.79%
             |             
            
                12.70
             |           
            
                13.10
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                3.04
             |                                 
            
                5,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2011
             | 
            
                +0.40 / +3.13%
             |             
            
                13.20
             |           
            
                13.20
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                3.15
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2011
             | 
            
                -0.20 / -1.54%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.40
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                3.06
             |                                 
            
                9,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2011
             | 
            
                -0.40 / -2.99%
             |             
            
                13.60
             |           
            
                14.10
             |               
            
                12.80
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                3.11
             |                                 
            
                10,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2011
             | 
            
                +0.40 / +3.08%
             |             
            
                13.00
             |           
            
                13.50
             |               
            
                13.00
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                3.20
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2011
             | 
            
                +0.90 / +7.44%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.50
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                3.11
             |                                 
            
                8,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |