| 
                 
                    Closing price on 5/17/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.10 | 
                 
                
                    | High | 
                    8.20 | 
                 
                
                    | Low | 
                    8.10 | 
                     
                
                    | Volume | 
                    4,700 | 
                                 
                
                    | Split-adjusted Price | 
                    1.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.10
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2013
             | 
            
                +0.20 / +2.50%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.10
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2013
             | 
            
                -0.30 / -3.61%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                11,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2013
             | 
            
                +0.30 / +3.75%
             |             
            
                8.10
             |           
            
                8.30
             |               
            
                8.00
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                1.12
             |                                 
            
                9,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                11
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2013
             | 
            
                -0.50 / -5.88%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                1.14
             |                                 
            
                2,105
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2013
             | 
            
                +0.50 / +6.25%
             |             
            
                8.10
             |           
            
                8.50
             |               
            
                8.10
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                1.14
             |                                 
            
                1,763
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2013
             | 
            
                -0.60 / -6.98%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2013
             | 
            
                +0.40 / +4.88%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                1.16
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.10
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2013
             | 
            
                +0.20 / +2.50%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.10
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2013
             | 
            
                -0.80 / -9.09%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                1.18
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2013
             | 
            
                +0.80 / +10.00%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                1.18
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2013
             | 
            
                -0.30 / -3.61%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.08
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2013
             | 
            
                -0.80 / -8.79%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                1.12
             |                                 
            
                7,725
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2013
             | 
            
                -1.00 / -9.90%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.10
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                1.23
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2013
             | 
            
                +0.90 / +9.78%
             |             
            
                9.20
             |           
            
                10.10
             |               
            
                9.20
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                1.36
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.20
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                1.24
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2013
             | 
            
                +0.50 / +5.75%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                1.24
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2013
             | 
            
                -0.50 / -5.43%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                1.17
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                1.24
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                9.20
             |               
            
                8.50
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                1.24
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                1.24
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |