| 
                 
                    Closing price on 9/21/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.30 | 
                 
                
                    | High | 
                    9.40 | 
                 
                
                    | Low | 
                    9.30 | 
                     
                
                    | Volume | 
                    4,000 | 
                                 
                
                    | Split-adjusted Price | 
                    1.27 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.30
             |           
            
                9.40
             |               
            
                9.30
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                1.27
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2012
             | 
            
                -0.20 / -2.08%
             |             
            
                9.00
             |           
            
                9.40
             |               
            
                9.00
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                1.27
             |                                 
            
                40,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.29
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.29
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2012
             | 
            
                -0.10 / -1.03%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.29
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2012
             | 
            
                +0.10 / +1.04%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.60
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                1.31
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2012
             | 
            
                +0.30 / +3.23%
             |             
            
                9.30
             |           
            
                9.60
             |               
            
                9.20
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.29
             |                                 
            
                5,481
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2012
             | 
            
                -0.70 / -7.00%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                1.25
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2012
             | 
            
                +0.50 / +5.26%
             |             
            
                9.20
             |           
            
                10.00
             |               
            
                9.10
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                1.35
             |                                 
            
                15,815
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2012
             | 
            
                -0.70 / -6.86%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                1.28
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2012
             | 
            
                -0.70 / -6.42%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                10.20
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                1.37
             |                                 
            
                18,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2012
             | 
            
                -0.10 / -0.91%
             |             
            
                10.90
             |           
            
                10.90
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                1.47
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2012
             | 
            
                -0.50 / -4.35%
             |             
            
                11.00
             |           
            
                11.20
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                1.48
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.70
             |           
            
                11.50
             |               
            
                10.70
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                1.55
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.80
             |           
            
                11.50
             |               
            
                10.70
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                1.55
             |                                 
            
                18,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2012
             | 
            
                +0.50 / +4.55%
             |             
            
                10.10
             |           
            
                11.50
             |               
            
                10.10
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                1.55
             |                                 
            
                4,027
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2012
             | 
            
                +0.70 / +6.80%
             |             
            
                10.40
             |           
            
                11.00
             |               
            
                10.40
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                1.48
             |                                 
            
                14,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                1.39
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2012
             | 
            
                +0.30 / +3.00%
             |             
            
                9.30
             |           
            
                10.30
             |               
            
                9.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                1.39
             |                                 
            
                17,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2012
             | 
            
                +0.60 / +6.38%
             |             
            
                9.40
             |           
            
                10.00
             |               
            
                9.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                1.35
             |                                 
            
                4,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2012
             | 
            
                -0.70 / -6.93%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                1.27
             |                                 
            
                60,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2012
             | 
            
                -0.70 / -6.48%
             |             
            
                10.70
             |           
            
                10.80
             |               
            
                10.10
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                1.36
             |                                 
            
                15,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2012
             | 
            
                -0.80 / -6.90%
             |             
            
                11.50
             |           
            
                11.60
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                1.45
             |                                 
            
                90,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2012
             | 
            
                +0.20 / +1.75%
             |             
            
                11.10
             |           
            
                11.60
             |               
            
                11.10
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                1.56
             |                                 
            
                10,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2012
             | 
            
                -0.10 / -0.87%
             |             
            
                11.40
             |           
            
                11.40
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                1.54
             |                                 
            
                23,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2012
             | 
            
                -0.10 / -0.86%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                1.55
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2012
             | 
            
                +0.10 / +0.87%
             |             
            
                11.50
             |           
            
                11.60
             |               
            
                11.40
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                1.56
             |                                 
            
                27,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2012
             | 
            
                -0.10 / -0.86%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.50
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                1.55
             |                                 
            
                6,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2012
             | 
            
                +0.20 / +1.75%
             |             
            
                11.60
             |           
            
                11.60
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                1.56
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2012
             | 
            
                -0.30 / -2.56%
             |             
            
                11.40
             |           
            
                11.50
             |               
            
                11.20
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                1.54
             |                                 
            
                940,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |