| 
                 
                    Closing price on 7/28/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    44.10 | 
                 
                
                    | High | 
                    44.10 | 
                 
                
                    | Low | 
                    42.50 | 
                     
                
                    | Volume | 
                    17,900 | 
                                 
                
                    | Split-adjusted Price | 
                    4.36 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VCM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/28/2010
             | 
            
                -1.80 / -4.04%
             |             
            
                44.10
             |           
            
                44.10
             |               
            
                42.50
             |                           
            
                42.70
             | 
            
                42.70
             |                     
            
                4.36
             |                                 
            
                17,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2010
             | 
            
                -2.00 / -4.30%
             |             
            
                46.80
             |           
            
                46.80
             |               
            
                44.00
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                4.55
             |                                 
            
                30,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2010
             | 
            
                +1.50 / +3.33%
             |             
            
                46.90
             |           
            
                46.90
             |               
            
                46.50
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                4.75
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2010
             | 
            
                0.00 / 0.00%
             |             
            
                46.90
             |           
            
                48.50
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                4.60
             |                                 
            
                22,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2010
             | 
            
                -1.80 / -3.85%
             |             
            
                46.90
             |           
            
                46.90
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                4.60
             |                                 
            
                7,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2010
             | 
            
                -1.20 / -2.50%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                45.20
             |                           
            
                46.80
             | 
            
                46.80
             |                     
            
                4.78
             |                                 
            
                15,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2010
             | 
            
                +1.50 / +3.23%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                4.90
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2010
             | 
            
                0.00 / 0.00%
             |             
            
                46.50
             |           
            
                46.50
             |               
            
                46.50
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                4.75
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2010
             | 
            
                +0.90 / +1.97%
             |             
            
                46.50
             |           
            
                46.50
             |               
            
                46.50
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                4.75
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2010
             | 
            
                -1.40 / -2.98%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                4.66
             |                                 
            
                25,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2010
             | 
            
                +0.30 / +0.64%
             |             
            
                46.40
             |           
            
                47.50
             |               
            
                46.40
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                4.80
             |                                 
            
                47,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2010
             | 
            
                +0.70 / +1.52%
             |             
            
                46.40
             |           
            
                46.70
             |               
            
                46.40
             |                           
            
                46.70
             | 
            
                46.70
             |                     
            
                4.77
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2010
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                4.70
             |                                 
            
                7,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2010
             | 
            
                -0.30 / -0.65%
             |             
            
                46.50
             |           
            
                46.50
             |               
            
                45.50
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                4.70
             |                                 
            
                13,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2010
             | 
            
                +0.30 / +0.65%
             |             
            
                46.40
             |           
            
                47.00
             |               
            
                46.30
             |                           
            
                46.30
             | 
            
                46.30
             |                     
            
                4.73
             |                                 
            
                37,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2010
             | 
            
                -0.50 / -1.08%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                4.70
             |                                 
            
                42,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2010
             | 
            
                -0.40 / -0.85%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                46.00
             |                           
            
                46.50
             | 
            
                46.50
             |                     
            
                4.75
             |                                 
            
                28,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2010
             | 
            
                -0.10 / -0.21%
             |             
            
                47.00
             |           
            
                47.50
             |               
            
                46.60
             |                           
            
                46.90
             | 
            
                46.90
             |                     
            
                4.79
             |                                 
            
                56,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2010
             | 
            
                0.00 / 0.00%
             |             
            
                47.50
             |           
            
                47.50
             |               
            
                46.70
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                4.80
             |                                 
            
                38,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2010
             | 
            
                -0.50 / -1.05%
             |             
            
                47.50
             |           
            
                47.50
             |               
            
                46.80
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                4.80
             |                                 
            
                48,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2010
             | 
            
                -1.50 / -3.06%
             |             
            
                48.00
             |           
            
                48.50
             |               
            
                47.50
             |                           
            
                47.50
             | 
            
                47.50
             |                     
            
                4.85
             |                                 
            
                41,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2010
             | 
            
                +0.10 / +0.20%
             |             
            
                48.90
             |           
            
                50.00
             |               
            
                48.50
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                5.01
             |                                 
            
                68,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2010
             | 
            
                +1.90 / +4.04%
             |             
            
                47.50
             |           
            
                48.90
             |               
            
                47.50
             |                           
            
                48.90
             | 
            
                48.90
             |                     
            
                5.00
             |                                 
            
                103,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2010
             | 
            
                -0.80 / -1.67%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                46.70
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                4.80
             |                                 
            
                53,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2010
             | 
            
                +2.00 / +4.37%
             |             
            
                45.90
             |           
            
                48.50
             |               
            
                45.90
             |                           
            
                47.80
             | 
            
                47.80
             |                     
            
                4.88
             |                                 
            
                110,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2010
             | 
            
                -0.60 / -1.29%
             |             
            
                45.80
             |           
            
                46.00
             |               
            
                45.80
             |                           
            
                45.80
             | 
            
                45.80
             |                     
            
                4.68
             |                                 
            
                37,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2010
             | 
            
                +0.40 / +0.87%
             |             
            
                46.00
             |           
            
                46.40
             |               
            
                44.60
             |                           
            
                46.40
             | 
            
                46.40
             |                     
            
                4.74
             |                                 
            
                6,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2010
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                4.70
             |                                 
            
                12,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2010
             | 
            
                0.00 / 0.00%
             |             
            
                46.10
             |           
            
                46.50
             |               
            
                45.80
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                4.70
             |                                 
            
                27,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2010
             | 
            
                -0.10 / -0.22%
             |             
            
                45.80
             |           
            
                46.30
             |               
            
                45.80
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                4.70
             |                                 
            
                35,700
             |  
            
                 
             |                                                              
             
    
         
    
    
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