| 
                 
                    Closing price on 6/9/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    75.00 | 
                 
                
                    | High | 
                    76.00 | 
                 
                
                    | Low | 
                    74.00 | 
                     
                
                    | Volume | 
                    57,620 | 
                                 
                
                    | Split-adjusted Price | 
                    1.47 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/9/2009
             | 
            
                -0.50 / -0.65%
             |             
            
                75.00
             |           
            
                76.00
             |               
            
                74.00
             |                           
            
                76.00
             | 
            
                76.00
             |                     
            
                1.47
             |                                 
            
                57,620
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2009
             | 
            
                +1.50 / +2.00%
             |             
            
                75.50
             |           
            
                76.50
             |               
            
                75.00
             |                           
            
                76.50
             | 
            
                76.50
             |                     
            
                1.48
             |                                 
            
                113,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2009
             | 
            
                +1.00 / +1.35%
             |             
            
                75.50
             |           
            
                76.00
             |               
            
                74.50
             |                           
            
                75.00
             | 
            
                75.00
             |                     
            
                1.41
             |                                 
            
                116,370
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2009
             | 
            
                -0.50 / -0.67%
             |             
            
                74.50
             |           
            
                75.50
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                1.40
             |                                 
            
                38,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2009
             | 
            
                -0.50 / -0.67%
             |             
            
                72.00
             |           
            
                74.50
             |               
            
                72.00
             |                           
            
                74.50
             | 
            
                74.50
             |                     
            
                1.40
             |                                 
            
                102,930
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2009
             | 
            
                +2.50 / +3.45%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                75.00
             |                           
            
                75.00
             | 
            
                75.00
             |                     
            
                1.41
             |                                 
            
                64,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2009
             | 
            
                +3.00 / +4.32%
             |             
            
                71.00
             |           
            
                72.50
             |               
            
                71.00
             |                           
            
                72.50
             | 
            
                72.50
             |                     
            
                1.37
             |                                 
            
                83,060
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2009
             | 
            
                -0.50 / -0.71%
             |             
            
                70.50
             |           
            
                71.00
             |               
            
                68.00
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                1.31
             |                                 
            
                33,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2009
             | 
            
                +2.50 / +3.70%
             |             
            
                70.50
             |           
            
                70.50
             |               
            
                69.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                1.32
             |                                 
            
                109,140
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2009
             | 
            
                +3.00 / +4.65%
             |             
            
                67.50
             |           
            
                67.50
             |               
            
                67.50
             |                           
            
                67.50
             | 
            
                67.50
             |                     
            
                1.27
             |                                 
            
                58,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2009
             | 
            
                +3.00 / +4.88%
             |             
            
                64.50
             |           
            
                64.50
             |               
            
                64.50
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                1.22
             |                                 
            
                39,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2009
             | 
            
                +2.50 / +4.24%
             |             
            
                61.50
             |           
            
                61.50
             |               
            
                61.50
             |                           
            
                61.50
             | 
            
                61.50
             |                     
            
                1.16
             |                                 
            
                8,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2009
             | 
            
                -3.00 / -4.84%
             |             
            
                60.00
             |           
            
                62.50
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                1.11
             |                                 
            
                23,160
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2009
             | 
            
                -1.00 / -1.59%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                60.00
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                1.17
             |                                 
            
                69,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2009
             | 
            
                +3.00 / +5.00%
             |             
            
                60.00
             |           
            
                63.00
             |               
            
                59.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                1.19
             |                                 
            
                106,710
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2009
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.50
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                1.13
             |                                 
            
                47,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2009
             | 
            
                -1.00 / -1.64%
             |             
            
                60.00
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                1.13
             |                                 
            
                20,540
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2009
             | 
            
                +2.50 / +4.27%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                60.50
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                1.15
             |                                 
            
                12,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2009
             | 
            
                -2.50 / -4.10%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                1.10
             |                                 
            
                55,020
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2009
             | 
            
                0.00 / 0.00%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                60.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                1.15
             |                                 
            
                10,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2009
             | 
            
                +2.50 / +4.27%
             |             
            
                58.00
             |           
            
                61.00
             |               
            
                57.50
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                1.15
             |                                 
            
                28,420
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2009
             | 
            
                +2.00 / +3.54%
             |             
            
                58.50
             |           
            
                59.00
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                1.10
             |                                 
            
                14,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2009
             | 
            
                +0.50 / +0.89%
             |             
            
                55.00
             |           
            
                57.00
             |               
            
                55.00
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                1.07
             |                                 
            
                30,210
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2009
             | 
            
                +2.00 / +3.70%
             |             
            
                55.00
             |           
            
                56.00
             |               
            
                53.50
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                1.06
             |                                 
            
                41,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2009
             | 
            
                -2.00 / -3.57%
             |             
            
                54.00
             |           
            
                55.00
             |               
            
                53.50
             |                           
            
                54.00
             | 
            
                54.24
             |                     
            
                1.02
             |                                 
            
                17,550
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2009
             | 
            
                +2.50 / +4.67%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                1.06
             |                                 
            
                28,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2009
             | 
            
                +2.50 / +4.90%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.50
             |                     
            
                1.01
             |                                 
            
                11,010
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2009
             | 
            
                +1.10 / +2.20%
             |             
            
                48.60
             |           
            
                51.00
             |               
            
                48.60
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                0.96
             |                                 
            
                16,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2009
             | 
            
                +1.00 / +2.04%
             |             
            
                47.50
             |           
            
                50.00
             |               
            
                47.50
             |                           
            
                49.90
             | 
            
                49.90
             |                     
            
                0.94
             |                                 
            
                12,390
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2009
             | 
            
                +0.10 / +0.20%
             |             
            
                48.80
             |           
            
                50.50
             |               
            
                48.80
             |                           
            
                48.90
             | 
            
                48.90
             |                     
            
                0.92
             |                                 
            
                6,020
             |  
            
                 
             |                                                              
             
    
         
    
    
 |