| 
                 
                    Closing price on 9/17/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    95.00 | 
                 
                
                    | High | 
                    95.00 | 
                 
                
                    | Low | 
                    93.00 | 
                     
                
                    | Volume | 
                    19,510 | 
                                 
                
                    | Split-adjusted Price | 
                    1.82 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/17/2009
             | 
            
                -1.00 / -1.05%
             |             
            
                95.00
             |           
            
                95.00
             |               
            
                93.00
             |                           
            
                94.00
             | 
            
                94.00
             |                     
            
                1.82
             |                                 
            
                19,510
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2009
             | 
            
                +1.00 / +1.06%
             |             
            
                94.00
             |           
            
                96.00
             |               
            
                94.00
             |                           
            
                95.00
             | 
            
                95.00
             |                     
            
                1.84
             |                                 
            
                117,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2009
             | 
            
                0.00 / 0.00%
             |             
            
                94.50
             |           
            
                95.00
             |               
            
                93.50
             |                           
            
                94.00
             | 
            
                94.00
             |                     
            
                1.82
             |                                 
            
                40,070
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2009
             | 
            
                0.00 / 0.00%
             |             
            
                94.00
             |           
            
                95.00
             |               
            
                94.00
             |                           
            
                94.00
             | 
            
                94.00
             |                     
            
                1.82
             |                                 
            
                31,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2009
             | 
            
                0.00 / 0.00%
             |             
            
                94.00
             |           
            
                94.00
             |               
            
                92.50
             |                           
            
                94.00
             | 
            
                94.00
             |                     
            
                1.82
             |                                 
            
                25,890
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2009
             | 
            
                0.00 / 0.00%
             |             
            
                92.00
             |           
            
                94.00
             |               
            
                92.00
             |                           
            
                94.00
             | 
            
                94.00
             |                     
            
                1.82
             |                                 
            
                13,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2009
             | 
            
                0.00 / 0.00%
             |             
            
                96.00
             |           
            
                96.00
             |               
            
                94.00
             |                           
            
                94.00
             | 
            
                94.00
             |                     
            
                1.82
             |                                 
            
                14,240
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2009
             | 
            
                +2.00 / +2.17%
             |             
            
                94.00
             |           
            
                94.00
             |               
            
                92.50
             |                           
            
                94.00
             | 
            
                94.00
             |                     
            
                1.82
             |                                 
            
                39,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2009
             | 
            
                0.00 / 0.00%
             |             
            
                92.00
             |           
            
                92.00
             |               
            
                91.00
             |                           
            
                92.00
             | 
            
                92.00
             |                     
            
                1.78
             |                                 
            
                39,470
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2009
             | 
            
                -0.50 / -0.54%
             |             
            
                94.50
             |           
            
                94.50
             |               
            
                92.00
             |                           
            
                92.00
             | 
            
                92.00
             |                     
            
                1.78
             |                                 
            
                32,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2009
             | 
            
                0.00 / 0.00%
             |             
            
                92.00
             |           
            
                94.00
             |               
            
                92.00
             |                           
            
                92.50
             | 
            
                92.50
             |                     
            
                1.79
             |                                 
            
                39,540
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2009
             | 
            
                0.00 / 0.00%
             |             
            
                91.00
             |           
            
                92.50
             |               
            
                91.00
             |                           
            
                92.50
             | 
            
                92.50
             |                     
            
                1.79
             |                                 
            
                20,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2009
             | 
            
                +2.00 / +2.21%
             |             
            
                92.50
             |           
            
                93.50
             |               
            
                91.00
             |                           
            
                92.50
             | 
            
                92.50
             |                     
            
                1.79
             |                                 
            
                19,770
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2009
             | 
            
                +0.50 / +0.56%
             |             
            
                90.50
             |           
            
                91.00
             |               
            
                90.00
             |                           
            
                90.50
             | 
            
                90.50
             |                     
            
                1.75
             |                                 
            
                11,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2009
             | 
            
                -1.00 / -1.10%
             |             
            
                90.50
             |           
            
                90.50
             |               
            
                90.00
             |                           
            
                90.00
             | 
            
                90.00
             |                     
            
                1.74
             |                                 
            
                21,580
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2009
             | 
            
                +0.50 / +0.55%
             |             
            
                91.00
             |           
            
                91.50
             |               
            
                91.00
             |                           
            
                91.00
             | 
            
                91.00
             |                     
            
                1.76
             |                                 
            
                41,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2009
             | 
            
                +0.50 / +0.56%
             |             
            
                89.00
             |           
            
                90.50
             |               
            
                89.00
             |                           
            
                90.50
             | 
            
                90.50
             |                     
            
                1.75
             |                                 
            
                53,530
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2009
             | 
            
                +0.50 / +0.56%
             |             
            
                89.00
             |           
            
                91.00
             |               
            
                89.00
             |                           
            
                90.00
             | 
            
                90.00
             |                     
            
                1.74
             |                                 
            
                26,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2009
             | 
            
                -0.50 / -0.56%
             |             
            
                91.50
             |           
            
                92.00
             |               
            
                88.00
             |                           
            
                89.50
             | 
            
                89.50
             |                     
            
                1.73
             |                                 
            
                20,680
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2009
             | 
            
                +3.50 / +4.05%
             |             
            
                88.00
             |           
            
                90.00
             |               
            
                87.00
             |                           
            
                90.00
             | 
            
                90.00
             |                     
            
                1.74
             |                                 
            
                41,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2009
             | 
            
                +1.00 / +1.17%
             |             
            
                87.00
             |           
            
                88.00
             |               
            
                86.00
             |                           
            
                86.50
             | 
            
                86.50
             |                     
            
                1.68
             |                                 
            
                29,920
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2009
             | 
            
                +0.50 / +0.59%
             |             
            
                83.50
             |           
            
                85.50
             |               
            
                83.50
             |                           
            
                85.50
             | 
            
                85.50
             |                     
            
                1.66
             |                                 
            
                34,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2009
             | 
            
                0.00 / 0.00%
             |             
            
                86.00
             |           
            
                86.00
             |               
            
                85.00
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                1.65
             |                                 
            
                25,120
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2009
             | 
            
                0.00 / 0.00%
             |             
            
                84.50
             |           
            
                85.00
             |               
            
                84.50
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                1.65
             |                                 
            
                28,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2009
             | 
            
                -1.50 / -1.73%
             |             
            
                85.50
             |           
            
                87.00
             |               
            
                85.00
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                1.65
             |                                 
            
                37,650
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2009
             | 
            
                +1.50 / +1.76%
             |             
            
                85.00
             |           
            
                86.50
             |               
            
                85.00
             |                           
            
                86.50
             | 
            
                86.50
             |                     
            
                1.68
             |                                 
            
                41,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2009
             | 
            
                0.00 / 0.00%
             |             
            
                85.00
             |           
            
                85.00
             |               
            
                84.50
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                1.65
             |                                 
            
                20,650
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2009
             | 
            
                +0.50 / +0.59%
             |             
            
                84.00
             |           
            
                85.50
             |               
            
                84.00
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                1.65
             |                                 
            
                53,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2009
             | 
            
                0.00 / 0.00%
             |             
            
                83.00
             |           
            
                84.50
             |               
            
                83.00
             |                           
            
                84.50
             | 
            
                84.50
             |                     
            
                1.64
             |                                 
            
                28,950
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2009
             | 
            
                -1.00 / -1.17%
             |             
            
                85.00
             |           
            
                86.00
             |               
            
                83.00
             |                           
            
                84.50
             | 
            
                84.50
             |                     
            
                1.64
             |                                 
            
                18,290
             |  
            
                 
             |                                                              
             
    
         
    
    
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