| 
                 
                    Closing price on 10/18/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.10 | 
                 
                
                    | High | 
                    20.10 | 
                 
                
                    | Low | 
                    20.10 | 
                     
                
                    | Volume | 
                    100 | 
                                 
                
                    | Split-adjusted Price | 
                    1.34 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/18/2011
             | 
            
                -1.10 / -5.19%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                20.10
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                1.34
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2011
             | 
            
                +0.40 / +1.92%
             |             
            
                21.50
             |           
            
                21.50
             |               
            
                21.20
             |                           
            
                21.20
             | 
            
                21.20
             |                     
            
                1.41
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2011
             | 
            
                -1.70 / -7.56%
             |             
            
                20.80
             |           
            
                20.80
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                1.39
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2011
             | 
            
                +0.20 / +0.90%
             |             
            
                21.50
             |           
            
                22.70
             |               
            
                21.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                1.50
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2011
             | 
            
                +0.70 / +3.24%
             |             
            
                21.00
             |           
            
                22.80
             |               
            
                21.00
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                1.49
             |                                 
            
                8,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2011
             | 
            
                -1.40 / -6.09%
             |             
            
                22.00
             |           
            
                23.00
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                1.44
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2011
             | 
            
                -0.60 / -2.54%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                1.54
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2011
             | 
            
                +0.10 / +0.43%
             |             
            
                23.60
             |           
            
                23.60
             |               
            
                23.60
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                1.58
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2011
             | 
            
                +0.50 / +2.17%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.40
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                1.57
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2011
             | 
            
                -0.80 / -3.36%
             |             
            
                22.50
             |           
            
                23.00
             |               
            
                22.20
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                1.54
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2011
             | 
            
                -0.10 / -0.42%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                23.80
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                1.59
             |                                 
            
                68,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2011
             | 
            
                0.00 / 0.00%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                1.60
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2011
             | 
            
                -0.10 / -0.42%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                1.60
             |                                 
            
                110,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2011
             | 
            
                +1.00 / +4.35%
             |             
            
                21.90
             |           
            
                24.00
             |               
            
                21.90
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                1.60
             |                                 
            
                23,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2011
             | 
            
                -0.90 / -3.77%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                1.54
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2011
             | 
            
                +1.40 / +6.22%
             |             
            
                22.00
             |           
            
                24.00
             |               
            
                22.00
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                1.60
             |                                 
            
                210,581
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2011
             | 
            
                -2.30 / -9.27%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                1.50
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2011
             | 
            
                +0.50 / +2.06%
             |             
            
                23.00
             |           
            
                24.80
             |               
            
                22.60
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                1.66
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2011
             | 
            
                +0.30 / +1.25%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                24.30
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                1.62
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2011
             | 
            
                +0.90 / +3.90%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                1.60
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2011
             | 
            
                -1.80 / -7.23%
             |             
            
                23.30
             |           
            
                23.30
             |               
            
                23.10
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                1.54
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2011
             | 
            
                +0.10 / +0.40%
             |             
            
                23.20
             |           
            
                24.90
             |               
            
                23.20
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                1.66
             |                                 
            
                9,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2011
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                23.10
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                1.66
             |                                 
            
                7,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2011
             | 
            
                -0.10 / -0.40%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.80
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                1.66
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2011
             | 
            
                0.00 / 0.00%
             |             
            
                23.90
             |           
            
                25.00
             |               
            
                23.90
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                1.66
             |                                 
            
                10,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2011
             | 
            
                -0.10 / -0.40%
             |             
            
                24.80
             |           
            
                24.90
             |               
            
                24.80
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                1.66
             |                                 
            
                6,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2011
             | 
            
                +0.10 / +0.40%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                1.67
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2011
             | 
            
                -0.10 / -0.40%
             |             
            
                24.90
             |           
            
                24.90
             |               
            
                24.90
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                1.66
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2011
             | 
            
                0.00 / 0.00%
             |             
            
                25.20
             |           
            
                25.20
             |               
            
                23.30
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                1.67
             |                                 
            
                8,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2011
             | 
            
                +0.10 / +0.40%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                1.67
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
         
    
    
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