| 
                 
                    Closing price on 2/24/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    39.50 | 
                 
                
                    | High | 
                    40.50 | 
                 
                
                    | Low | 
                    39.50 | 
                     
                
                    | Volume | 
                    17,470 | 
                                 
                
                    | Split-adjusted Price | 
                    0.74 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/24/2009
             | 
            
                -0.40 / -1.00%
             |             
            
                39.50
             |           
            
                40.50
             |               
            
                39.50
             |                           
            
                39.50
             | 
            
                39.50
             |                     
            
                0.74
             |                                 
            
                17,470
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2009
             | 
            
                -0.10 / -0.25%
             |             
            
                38.60
             |           
            
                40.00
             |               
            
                38.60
             |                           
            
                39.90
             | 
            
                39.90
             |                     
            
                0.75
             |                                 
            
                1,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2009
             | 
            
                -0.30 / -0.74%
             |             
            
                40.20
             |           
            
                40.30
             |               
            
                40.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                0.75
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2009
             | 
            
                +0.30 / +0.75%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                40.00
             |                           
            
                40.30
             | 
            
                40.30
             |                     
            
                0.76
             |                                 
            
                5,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2009
             | 
            
                -0.60 / -1.48%
             |             
            
                40.00
             |           
            
                40.10
             |               
            
                39.50
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                0.75
             |                                 
            
                17,690
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2009
             | 
            
                0.00 / 0.00%
             |             
            
                40.60
             |           
            
                40.70
             |               
            
                40.50
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                0.77
             |                                 
            
                13,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2009
             | 
            
                -1.20 / -2.87%
             |             
            
                41.80
             |           
            
                41.80
             |               
            
                40.50
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                0.77
             |                                 
            
                4,560
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2009
             | 
            
                +1.50 / +3.72%
             |             
            
                41.80
             |           
            
                41.80
             |               
            
                41.50
             |                           
            
                41.80
             | 
            
                41.80
             |                     
            
                0.79
             |                                 
            
                4,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2009
             | 
            
                -1.70 / -4.05%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                40.30
             |                           
            
                40.30
             | 
            
                40.30
             |                     
            
                0.76
             |                                 
            
                21,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/11/2009
             | 
            
                -1.00 / -2.33%
             |             
            
                42.00
             |           
            
                43.10
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                0.79
             |                                 
            
                2,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2009
             | 
            
                -0.40 / -0.92%
             |             
            
                43.00
             |           
            
                43.40
             |               
            
                42.00
             |                           
            
                43.00
             | 
            
                43.00
             |                     
            
                0.81
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2009
             | 
            
                +1.00 / +2.36%
             |             
            
                43.00
             |           
            
                43.40
             |               
            
                42.50
             |                           
            
                43.40
             | 
            
                43.40
             |                     
            
                0.82
             |                                 
            
                4,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2009
             | 
            
                +1.10 / +2.66%
             |             
            
                42.00
             |           
            
                42.50
             |               
            
                41.20
             |                           
            
                42.40
             | 
            
                42.40
             |                     
            
                0.80
             |                                 
            
                4,540
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2009
             | 
            
                -1.70 / -3.95%
             |             
            
                42.20
             |           
            
                42.80
             |               
            
                41.30
             |                           
            
                41.30
             | 
            
                41.30
             |                     
            
                0.78
             |                                 
            
                15,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2009
             | 
            
                +1.00 / +2.38%
             |             
            
                42.00
             |           
            
                44.00
             |               
            
                42.00
             |                           
            
                43.00
             | 
            
                43.00
             |                     
            
                0.81
             |                                 
            
                5,960
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2009
             | 
            
                -0.50 / -1.18%
             |             
            
                42.00
             |           
            
                42.50
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                0.79
             |                                 
            
                12,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2009
             | 
            
                -0.50 / -1.16%
             |             
            
                43.00
             |           
            
                44.00
             |               
            
                42.50
             |                           
            
                42.50
             | 
            
                42.50
             |                     
            
                0.80
             |                                 
            
                13,330
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2009
             | 
            
                +0.20 / +0.47%
             |             
            
                41.80
             |           
            
                43.00
             |               
            
                41.80
             |                           
            
                43.00
             | 
            
                43.00
             |                     
            
                0.81
             |                                 
            
                10,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2009
             | 
            
                +0.70 / +1.66%
             |             
            
                43.30
             |           
            
                43.30
             |               
            
                41.00
             |                           
            
                42.80
             | 
            
                42.80
             |                     
            
                0.81
             |                                 
            
                17,510
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2009
             | 
            
                -0.90 / -2.09%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                42.10
             |                           
            
                42.10
             | 
            
                42.10
             |                     
            
                0.79
             |                                 
            
                1,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2009
             | 
            
                +2.00 / +4.88%
             |             
            
                41.50
             |           
            
                43.00
             |               
            
                41.50
             |                           
            
                43.00
             | 
            
                43.00
             |                     
            
                0.81
             |                                 
            
                7,270
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2009
             | 
            
                +0.60 / +1.49%
             |             
            
                40.40
             |           
            
                41.50
             |               
            
                40.40
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                0.77
             |                                 
            
                26,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2009
             | 
            
                -2.00 / -4.72%
             |             
            
                44.20
             |           
            
                44.20
             |               
            
                40.40
             |                           
            
                40.40
             | 
            
                40.40
             |                     
            
                0.76
             |                                 
            
                51,360
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2009
             | 
            
                -1.60 / -3.64%
             |             
            
                42.10
             |           
            
                45.00
             |               
            
                42.00
             |                           
            
                42.40
             | 
            
                42.40
             |                     
            
                0.80
             |                                 
            
                21,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2009
             | 
            
                -2.00 / -4.35%
             |             
            
                45.10
             |           
            
                45.10
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                0.83
             |                                 
            
                25,740
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2009
             | 
            
                -1.00 / -2.13%
             |             
            
                46.20
             |           
            
                46.50
             |               
            
                44.80
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                0.87
             |                                 
            
                5,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2009
             | 
            
                0.00 / 0.00%
             |             
            
                48.70
             |           
            
                48.70
             |               
            
                46.50
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                0.89
             |                                 
            
                6,340
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2009
             | 
            
                -1.60 / -3.29%
             |             
            
                47.00
             |           
            
                48.50
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                0.89
             |                                 
            
                2,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2009
             | 
            
                -2.40 / -4.71%
             |             
            
                49.00
             |           
            
                51.00
             |               
            
                48.60
             |                           
            
                48.60
             | 
            
                48.60
             |                     
            
                0.92
             |                                 
            
                7,330
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2009
             | 
            
                +2.00 / +4.08%
             |             
            
                50.00
             |           
            
                51.00
             |               
            
                49.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                0.96
             |                                 
            
                29,050
             |  
            
                 
             |                                                              
             
    
         
    
    
 |