| 
                 
                    Closing price on 6/3/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.70 | 
                 
                
                    | High | 
                    8.70 | 
                 
                
                    | Low | 
                    7.70 | 
                     
                
                    | Volume | 
                    22,100 | 
                                 
                
                    | Split-adjusted Price | 
                    1.96 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VC6 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/3/2011
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                7.70
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.96
             |                                 
            
                22,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2011
             | 
            
                +0.50 / +6.49%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.96
             |                                 
            
                14,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2011
             | 
            
                -0.30 / -3.75%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                1.84
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2011
             | 
            
                +0.40 / +5.26%
             |             
            
                7.10
             |           
            
                8.00
             |               
            
                7.10
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.91
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2011
             | 
            
                -0.30 / -3.80%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                1.82
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2011
             | 
            
                +0.20 / +2.60%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                1.89
             |                                 
            
                22,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2011
             | 
            
                +0.20 / +2.67%
             |             
            
                7.10
             |           
            
                8.00
             |               
            
                7.10
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                1.84
             |                                 
            
                12,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2011
             | 
            
                -0.50 / -6.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                1.79
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2011
             | 
            
                -0.60 / -6.98%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.91
             |                                 
            
                16,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2011
             | 
            
                -0.70 / -7.53%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.06
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2011
             | 
            
                -0.20 / -2.11%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                2.22
             |                                 
            
                11,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2011
             | 
            
                -0.50 / -5.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                2.27
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.10
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.39
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.39
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2011
             | 
            
                -0.10 / -0.99%
             |             
            
                10.60
             |           
            
                10.60
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.39
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.10
             |           
            
                10.20
             |               
            
                10.10
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                2.41
             |                                 
            
                9,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                10.10
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                2.41
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2011
             | 
            
                -0.30 / -2.88%
             |             
            
                10.10
             |           
            
                10.20
             |               
            
                10.10
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                2.41
             |                                 
            
                22,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2011
             | 
            
                +0.10 / +0.97%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                10.40
             |                           
            
                10.40
             | 
            
                10.40
             |                     
            
                2.49
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2011
             | 
            
                -0.30 / -2.83%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                2.46
             |                                 
            
                9,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2011
             | 
            
                +0.10 / +0.95%
             |             
            
                10.50
             |           
            
                10.60
             |               
            
                10.50
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                2.53
             |                                 
            
                9,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2011
             | 
            
                -0.10 / -0.94%
             |             
            
                10.60
             |           
            
                11.00
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                2.51
             |                                 
            
                8,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |