| 
                 
                    Closing price on 9/16/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    43.30 | 
                 
                
                    | High | 
                    45.20 | 
                 
                
                    | Low | 
                    43.30 | 
                     
                
                    | Volume | 
                    123,800 | 
                                 
                
                    | Split-adjusted Price | 
                    45.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
V15 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/16/2010
             | 
            
                +0.20 / +0.45%
             |             
            
                43.30
             |           
            
                45.20
             |               
            
                43.30
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                45.00
             |                                 
            
                123,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2010
             | 
            
                -1.10 / -2.40%
             |             
            
                44.80
             |           
            
                45.20
             |               
            
                42.20
             |                           
            
                44.80
             | 
            
                44.80
             |                     
            
                44.80
             |                                 
            
                205,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2010
             | 
            
                +1.40 / +3.15%
             |             
            
                44.00
             |           
            
                46.50
             |               
            
                44.00
             |                           
            
                45.90
             | 
            
                45.90
             |                     
            
                45.90
             |                                 
            
                73,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2010
             | 
            
                -1.90 / -4.09%
             |             
            
                43.30
             |           
            
                46.90
             |               
            
                43.30
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                44.50
             |                                 
            
                83,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2010
             | 
            
                +2.30 / +5.22%
             |             
            
                44.90
             |           
            
                46.70
             |               
            
                42.00
             |                           
            
                46.40
             | 
            
                44.10
             |                     
            
                46.40
             |                                 
            
                343,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2010
             | 
            
                +3.40 / +8.35%
             |             
            
                41.00
             |           
            
                44.10
             |               
            
                41.00
             |                           
            
                44.10
             | 
            
                44.10
             |                     
            
                44.10
             |                                 
            
                229,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2010
             | 
            
                -0.70 / -1.69%
             |             
            
                42.60
             |           
            
                42.60
             |               
            
                40.00
             |                           
            
                40.70
             | 
            
                40.70
             |                     
            
                40.70
             |                                 
            
                63,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2010
             | 
            
                -2.80 / -6.33%
             |             
            
                42.80
             |           
            
                44.30
             |               
            
                41.30
             |                           
            
                41.40
             | 
            
                41.40
             |                     
            
                41.40
             |                                 
            
                116,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2010
             | 
            
                +3.70 / +9.14%
             |             
            
                40.20
             |           
            
                44.20
             |               
            
                39.10
             |                           
            
                44.20
             | 
            
                44.20
             |                     
            
                44.20
             |                                 
            
                255,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2010
             | 
            
                +0.10 / +0.25%
             |             
            
                41.00
             |           
            
                41.80
             |               
            
                39.50
             |                           
            
                40.50
             | 
            
                40.40
             |                     
            
                40.50
             |                                 
            
                70,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2010
             | 
            
                -0.20 / -0.49%
             |             
            
                41.00
             |           
            
                41.30
             |               
            
                40.00
             |                           
            
                40.40
             | 
            
                40.40
             |                     
            
                40.40
             |                                 
            
                70,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2010
             | 
            
                +0.60 / +1.50%
             |             
            
                40.50
             |           
            
                40.70
             |               
            
                40.00
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                40.60
             |                                 
            
                69,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2010
             | 
            
                +1.00 / +2.56%
             |             
            
                40.70
             |           
            
                40.90
             |               
            
                38.30
             |                           
            
                40.00
             | 
            
                39.00
             |                     
            
                40.00
             |                                 
            
                54,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2010
             | 
            
                -1.00 / -2.50%
             |             
            
                40.50
             |           
            
                41.80
             |               
            
                38.60
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                39.00
             |                                 
            
                38,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2010
             | 
            
                +1.30 / +3.36%
             |             
            
                39.90
             |           
            
                42.40
             |               
            
                38.50
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                40.00
             |                                 
            
                202,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2010
             | 
            
                -0.60 / -1.53%
             |             
            
                38.70
             |           
            
                41.00
             |               
            
                38.70
             |                           
            
                38.70
             | 
            
                38.70
             |                     
            
                38.70
             |                                 
            
                87,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2010
             | 
            
                -0.70 / -1.75%
             |             
            
                41.20
             |           
            
                41.90
             |               
            
                39.10
             |                           
            
                39.30
             | 
            
                39.30
             |                     
            
                39.30
             |                                 
            
                33,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2010
             | 
            
                -1.00 / -2.44%
             |             
            
                41.50
             |           
            
                43.00
             |               
            
                39.90
             |                           
            
                40.00
             | 
            
                41.00
             |                     
            
                40.00
             |                                 
            
                66,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2010
             | 
            
                -0.60 / -1.44%
             |             
            
                40.80
             |           
            
                41.90
             |               
            
                40.00
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                41.00
             |                                 
            
                61,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2010
             | 
            
                +0.90 / +2.21%
             |             
            
                40.50
             |           
            
                42.30
             |               
            
                39.90
             |                           
            
                41.60
             | 
            
                41.60
             |                     
            
                41.60
             |                                 
            
                240,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2010
             | 
            
                -2.40 / -5.57%
             |             
            
                42.50
             |           
            
                43.00
             |               
            
                40.50
             |                           
            
                40.70
             | 
            
                40.70
             |                     
            
                40.70
             |                                 
            
                56,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2010
             | 
            
                +0.30 / +0.70%
             |             
            
                42.80
             |           
            
                43.50
             |               
            
                40.50
             |                           
            
                43.10
             | 
            
                43.10
             |                     
            
                43.10
             |                                 
            
                73,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2010
             | 
            
                +2.00 / +4.90%
             |             
            
                41.00
             |           
            
                43.40
             |               
            
                40.00
             |                           
            
                42.80
             | 
            
                40.80
             |                     
            
                42.80
             |                                 
            
                163,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2010
             | 
            
                -2.50 / -5.77%
             |             
            
                43.00
             |           
            
                43.40
             |               
            
                40.80
             |                           
            
                40.80
             | 
            
                40.80
             |                     
            
                40.80
             |                                 
            
                112,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2010
             | 
            
                -0.70 / -1.59%
             |             
            
                43.00
             |           
            
                43.90
             |               
            
                42.10
             |                           
            
                43.30
             | 
            
                43.30
             |                     
            
                43.30
             |                                 
            
                120,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2010
             | 
            
                +0.10 / +0.23%
             |             
            
                43.50
             |           
            
                45.20
             |               
            
                42.10
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                44.00
             |                                 
            
                143,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2010
             | 
            
                0.00 / 0.00%
             |             
            
                43.50
             |           
            
                45.90
             |               
            
                42.50
             |                           
            
                43.90
             | 
            
                43.90
             |                     
            
                43.90
             |                                 
            
                218,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2010
             | 
            
                +0.80 / +1.86%
             |             
            
                43.80
             |           
            
                44.90
             |               
            
                42.10
             |                           
            
                43.90
             | 
            
                43.10
             |                     
            
                43.90
             |                                 
            
                154,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2010
             | 
            
                -0.30 / -0.69%
             |             
            
                43.80
             |           
            
                45.30
             |               
            
                43.00
             |                           
            
                43.10
             | 
            
                43.10
             |                     
            
                43.10
             |                                 
            
                230,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2010
             | 
            
                -1.50 / -3.34%
             |             
            
                44.50
             |           
            
                45.90
             |               
            
                43.40
             |                           
            
                43.40
             | 
            
                43.40
             |                     
            
                43.40
             |                                 
            
                209,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |