| 
                 
                    Closing price on 11/4/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    22.80 | 
                 
                
                    | High | 
                    22.80 | 
                 
                
                    | Low | 
                    20.00 | 
                     
                
                    | Volume | 
                    195,900 | 
                                 
                
                    | Split-adjusted Price | 
                    21.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
V15 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/4/2010
             | 
            
                -0.20 / -0.92%
             |             
            
                22.80
             |           
            
                22.80
             |               
            
                20.00
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                21.60
             |                                 
            
                195,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2010
             | 
            
                -0.80 / -3.54%
             |             
            
                21.50
             |           
            
                22.60
             |               
            
                21.30
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                21.80
             |                                 
            
                734,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2010
             | 
            
                -1.40 / -5.83%
             |             
            
                22.70
             |           
            
                24.50
             |               
            
                22.60
             |                           
            
                22.60
             | 
            
                22.60
             |                     
            
                22.60
             |                                 
            
                138,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2010
             | 
            
                -1.50 / -5.88%
             |             
            
                25.70
             |           
            
                25.70
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                24.00
             |                                 
            
                76,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2010
             | 
            
                -0.80 / -3.04%
             |             
            
                26.00
             |           
            
                26.10
             |               
            
                25.40
             |                           
            
                25.50
             | 
            
                25.75
             |                     
            
                25.50
             |                                 
            
                77,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2010
             | 
            
                -0.80 / -2.95%
             |             
            
                27.10
             |           
            
                27.50
             |               
            
                26.30
             |                           
            
                26.30
             | 
            
                26.30
             |                     
            
                26.30
             |                                 
            
                59,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2010
             | 
            
                +1.40 / +5.45%
             |             
            
                27.10
             |           
            
                27.10
             |               
            
                26.50
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                27.10
             |                                 
            
                200,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2010
             | 
            
                +1.60 / +6.64%
             |             
            
                22.60
             |           
            
                25.70
             |               
            
                22.60
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                25.70
             |                                 
            
                87,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2010
             | 
            
                -1.80 / -6.95%
             |             
            
                24.10
             |           
            
                24.20
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                24.10
             |                                 
            
                212,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2010
             | 
            
                -1.90 / -6.83%
             |             
            
                25.90
             |           
            
                25.90
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                25.90
             |                                 
            
                5,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2010
             | 
            
                -2.00 / -6.71%
             |             
            
                27.80
             |           
            
                27.80
             |               
            
                27.80
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                27.80
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2010
             | 
            
                -2.20 / -6.88%
             |             
            
                29.80
             |           
            
                29.80
             |               
            
                29.80
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                29.80
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2010
             | 
            
                -2.20 / -6.43%
             |             
            
                32.40
             |           
            
                32.40
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                32.00
             |                                 
            
                40,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2010
             | 
            
                -2.30 / -6.30%
             |             
            
                34.60
             |           
            
                36.00
             |               
            
                34.20
             |                           
            
                34.20
             | 
            
                34.20
             |                     
            
                34.20
             |                                 
            
                49,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2010
             | 
            
                -0.50 / -1.35%
             |             
            
                37.40
             |           
            
                37.50
             |               
            
                35.30
             |                           
            
                36.50
             | 
            
                37.00
             |                     
            
                36.50
             |                                 
            
                49,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2010
             | 
            
                -0.30 / -0.80%
             |             
            
                37.20
             |           
            
                38.00
             |               
            
                36.50
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                37.00
             |                                 
            
                87,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2010
             | 
            
                -0.30 / -0.80%
             |             
            
                37.50
             |           
            
                37.70
             |               
            
                36.30
             |                           
            
                37.30
             | 
            
                37.30
             |                     
            
                37.30
             |                                 
            
                77,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2010
             | 
            
                -0.30 / -0.79%
             |             
            
                38.00
             |           
            
                38.40
             |               
            
                37.60
             |                           
            
                37.60
             | 
            
                37.60
             |                     
            
                37.60
             |                                 
            
                87,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2010
             | 
            
                +0.80 / +2.16%
             |             
            
                37.40
             |           
            
                39.00
             |               
            
                36.80
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                37.90
             |                                 
            
                120,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2010
             | 
            
                -0.30 / -0.80%
             |             
            
                37.50
             |           
            
                38.50
             |               
            
                36.20
             |                           
            
                37.10
             | 
            
                37.40
             |                     
            
                37.10
             |                                 
            
                180,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2010
             | 
            
                -2.50 / -6.27%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                37.40
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                37.40
             |                                 
            
                290,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2010
             | 
            
                +0.20 / +0.50%
             |             
            
                40.00
             |           
            
                40.80
             |               
            
                39.00
             |                           
            
                39.90
             | 
            
                39.90
             |                     
            
                39.90
             |                                 
            
                52,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2010
             | 
            
                +1.30 / +3.39%
             |             
            
                39.50
             |           
            
                40.70
             |               
            
                38.10
             |                           
            
                39.70
             | 
            
                39.70
             |                     
            
                39.70
             |                                 
            
                109,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2010
             | 
            
                -2.00 / -4.95%
             |             
            
                41.00
             |           
            
                42.20
             |               
            
                38.00
             |                           
            
                38.40
             | 
            
                38.40
             |                     
            
                38.40
             |                                 
            
                38,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2010
             | 
            
                -0.20 / -0.49%
             |             
            
                39.00
             |           
            
                43.00
             |               
            
                39.00
             |                           
            
                40.40
             | 
            
                40.60
             |                     
            
                40.40
             |                                 
            
                141,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2010
             | 
            
                +1.10 / +2.78%
             |             
            
                39.70
             |           
            
                40.80
             |               
            
                39.70
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                40.60
             |                                 
            
                130,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2010
             | 
            
                -1.40 / -3.42%
             |             
            
                42.00
             |           
            
                42.50
             |               
            
                39.20
             |                           
            
                39.50
             | 
            
                39.50
             |                     
            
                39.50
             |                                 
            
                122,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2010
             | 
            
                -1.60 / -3.76%
             |             
            
                42.00
             |           
            
                43.50
             |               
            
                40.90
             |                           
            
                40.90
             | 
            
                40.90
             |                     
            
                40.90
             |                                 
            
                107,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2010
             | 
            
                +0.40 / +0.95%
             |             
            
                42.00
             |           
            
                43.40
             |               
            
                41.90
             |                           
            
                42.50
             | 
            
                42.50
             |                     
            
                42.50
             |                                 
            
                94,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2010
             | 
            
                +2.10 / +5.25%
             |             
            
                41.50
             |           
            
                43.40
             |               
            
                41.50
             |                           
            
                42.10
             | 
            
                42.13
             |                     
            
                42.10
             |                                 
            
                100,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |