| 
                 
                    Closing price on 10/13/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    67.50 | 
                 
                
                    | High | 
                    67.50 | 
                 
                
                    | Low | 
                    64.00 | 
                     
                
                    | Volume | 
                    10,180 | 
                                 
                
                    | Split-adjusted Price | 
                    1.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/13/2008
             | 
            
                -1.00 / -1.54%
             |             
            
                67.50
             |           
            
                67.50
             |               
            
                64.00
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                1.14
             |                                 
            
                10,180
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2008
             | 
            
                -3.00 / -4.41%
             |             
            
                66.00
             |           
            
                67.00
             |               
            
                65.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                1.16
             |                                 
            
                72,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2008
             | 
            
                -1.50 / -2.16%
             |             
            
                67.00
             |           
            
                71.00
             |               
            
                67.00
             |                           
            
                68.00
             | 
            
                68.00
             |                     
            
                1.21
             |                                 
            
                19,710
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2008
             | 
            
                +2.00 / +2.96%
             |             
            
                65.50
             |           
            
                70.00
             |               
            
                65.50
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                1.24
             |                                 
            
                15,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2008
             | 
            
                -3.50 / -4.93%
             |             
            
                67.50
             |           
            
                68.00
             |               
            
                67.50
             |                           
            
                67.50
             | 
            
                67.50
             |                     
            
                1.20
             |                                 
            
                51,510
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2008
             | 
            
                -3.50 / -4.70%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                71.00
             |                           
            
                71.00
             | 
            
                71.00
             |                     
            
                1.26
             |                                 
            
                18,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2008
             | 
            
                -0.50 / -0.67%
             |             
            
                72.50
             |           
            
                75.00
             |               
            
                72.50
             |                           
            
                74.50
             | 
            
                74.50
             |                     
            
                1.33
             |                                 
            
                13,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2008
             | 
            
                +2.00 / +2.74%
             |             
            
                75.00
             |           
            
                75.00
             |               
            
                73.00
             |                           
            
                75.00
             | 
            
                75.00
             |                     
            
                1.33
             |                                 
            
                10,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2008
             | 
            
                -1.00 / -1.35%
             |             
            
                74.00
             |           
            
                74.50
             |               
            
                70.50
             |                           
            
                73.00
             | 
            
                73.00
             |                     
            
                1.30
             |                                 
            
                43,080
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2008
             | 
            
                -3.50 / -4.52%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                1.32
             |                                 
            
                20,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2008
             | 
            
                +0.50 / +0.65%
             |             
            
                80.00
             |           
            
                80.50
             |               
            
                77.00
             |                           
            
                77.50
             | 
            
                77.50
             |                     
            
                1.38
             |                                 
            
                56,230
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2008
             | 
            
                +3.50 / +4.76%
             |             
            
                77.00
             |           
            
                77.00
             |               
            
                76.00
             |                           
            
                77.00
             | 
            
                77.00
             |                     
            
                1.37
             |                                 
            
                75,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2008
             | 
            
                +3.50 / +5.00%
             |             
            
                71.00
             |           
            
                73.50
             |               
            
                71.00
             |                           
            
                73.50
             | 
            
                73.50
             |                     
            
                1.31
             |                                 
            
                36,990
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2008
             | 
            
                +1.00 / +1.45%
             |             
            
                70.00
             |           
            
                72.00
             |               
            
                70.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                1.25
             |                                 
            
                43,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2008
             | 
            
                +3.00 / +4.55%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                1.23
             |                                 
            
                81,780
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2008
             | 
            
                +3.00 / +4.76%
             |             
            
                66.00
             |           
            
                66.00
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                1.17
             |                                 
            
                210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2008
             | 
            
                +3.00 / +5.00%
             |             
            
                60.00
             |           
            
                63.00
             |               
            
                60.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                1.12
             |                                 
            
                5,020
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2008
             | 
            
                -3.00 / -4.76%
             |             
            
                60.00
             |           
            
                63.00
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                1.07
             |                                 
            
                65,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2008
             | 
            
                -3.00 / -4.55%
             |             
            
                63.00
             |           
            
                65.00
             |               
            
                63.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                1.12
             |                                 
            
                46,120
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2008
             | 
            
                -3.00 / -4.35%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                1.17
             |                                 
            
                105,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2008
             | 
            
                -3.50 / -4.83%
             |             
            
                69.00
             |           
            
                76.00
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                1.23
             |                                 
            
                68,060
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2008
             | 
            
                -3.50 / -4.61%
             |             
            
                72.50
             |           
            
                72.50
             |               
            
                72.50
             |                           
            
                72.50
             | 
            
                72.50
             |                     
            
                1.29
             |                                 
            
                16,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2008
             | 
            
                -3.50 / -4.40%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                76.00
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                1.35
             |                                 
            
                13,760
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2008
             | 
            
                -4.00 / -4.79%
             |             
            
                83.00
             |           
            
                84.00
             |               
            
                79.50
             |                           
            
                79.50
             | 
            
                79.50
             |                     
            
                1.41
             |                                 
            
                33,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2008
             | 
            
                +3.50 / +4.38%
             |             
            
                76.00
             |           
            
                83.50
             |               
            
                76.00
             |                           
            
                83.50
             | 
            
                83.50
             |                     
            
                1.49
             |                                 
            
                55,740
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2008
             | 
            
                -4.00 / -4.76%
             |             
            
                80.00
             |           
            
                81.00
             |               
            
                80.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                1.42
             |                                 
            
                65,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2008
             | 
            
                -4.00 / -4.55%
             |             
            
                84.00
             |           
            
                84.50
             |               
            
                84.00
             |                           
            
                84.00
             | 
            
                84.00
             |                     
            
                1.49
             |                                 
            
                19,540
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2008
             | 
            
                -0.50 / -0.56%
             |             
            
                90.00
             |           
            
                90.00
             |               
            
                84.50
             |                           
            
                88.00
             | 
            
                88.00
             |                     
            
                1.57
             |                                 
            
                21,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2008
             | 
            
                +4.00 / +4.73%
             |             
            
                88.50
             |           
            
                88.50
             |               
            
                88.00
             |                           
            
                88.50
             | 
            
                88.50
             |                     
            
                1.57
             |                                 
            
                35,910
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2008
             | 
            
                0.00 / 0.00%
             |             
            
                80.50
             |           
            
                84.50
             |               
            
                80.50
             |                           
            
                84.50
             | 
            
                84.50
             |                     
            
                1.50
             |                                 
            
                73,620
             |  
            
                 
             |                                                              
             
    
         
    
    
 |