| 
                 
                    Closing price on 2/17/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.30 | 
                 
                
                    | High | 
                    19.70 | 
                 
                
                    | Low | 
                    18.90 | 
                     
                
                    | Volume | 
                    53,940 | 
                                 
                
                    | Split-adjusted Price | 
                    13.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BBC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/17/2011
             | 
            
                -0.50 / -2.58%
             |             
            
                19.30
             |           
            
                19.70
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                13.10
             |                                 
            
                53,940
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2011
             | 
            
                -0.30 / -1.52%
             |             
            
                19.50
             |           
            
                19.80
             |               
            
                19.20
             |                           
            
                19.40
             | 
            
                19.40
             |                     
            
                13.45
             |                                 
            
                33,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2011
             | 
            
                +0.10 / +0.51%
             |             
            
                19.70
             |           
            
                20.00
             |               
            
                19.50
             |                           
            
                19.70
             | 
            
                19.70
             |                     
            
                13.66
             |                                 
            
                34,270
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2011
             | 
            
                -0.60 / -2.97%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                19.60
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                13.59
             |                                 
            
                21,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2011
             | 
            
                -0.30 / -1.46%
             |             
            
                20.00
             |           
            
                20.50
             |               
            
                19.80
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                14.00
             |                                 
            
                78,490
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2011
             | 
            
                -0.50 / -2.38%
             |             
            
                20.70
             |           
            
                20.90
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                14.21
             |                                 
            
                63,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2011
             | 
            
                0.00 / 0.00%
             |             
            
                21.40
             |           
            
                21.40
             |               
            
                20.80
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                14.56
             |                                 
            
                38,820
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2011
             | 
            
                -0.10 / -0.47%
             |             
            
                21.10
             |           
            
                21.70
             |               
            
                20.60
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                14.56
             |                                 
            
                125,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2011
             | 
            
                -0.20 / -0.94%
             |             
            
                20.90
             |           
            
                21.30
             |               
            
                20.90
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                14.63
             |                                 
            
                43,740
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2011
             | 
            
                +0.60 / +2.90%
             |             
            
                20.70
             |           
            
                21.60
             |               
            
                20.70
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                14.76
             |                                 
            
                323,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2011
             | 
            
                -0.10 / -0.48%
             |             
            
                21.20
             |           
            
                21.20
             |               
            
                20.70
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                14.35
             |                                 
            
                246,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2011
             | 
            
                -0.40 / -1.89%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                14.42
             |                                 
            
                35,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2011
             | 
            
                +0.40 / +1.92%
             |             
            
                21.50
             |           
            
                21.50
             |               
            
                20.50
             |                           
            
                21.20
             | 
            
                21.20
             |                     
            
                14.69
             |                                 
            
                32,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2011
             | 
            
                +0.20 / +0.97%
             |             
            
                20.90
             |           
            
                21.00
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                14.42
             |                                 
            
                69,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2011
             | 
            
                -0.40 / -1.90%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                14.28
             |                                 
            
                13,960
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2011
             | 
            
                +0.40 / +1.94%
             |             
            
                21.00
             |           
            
                21.40
             |               
            
                20.60
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                14.56
             |                                 
            
                18,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2011
             | 
            
                -0.40 / -1.90%
             |             
            
                21.20
             |           
            
                21.20
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                14.28
             |                                 
            
                56,570
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2011
             | 
            
                -0.30 / -1.41%
             |             
            
                21.40
             |           
            
                21.50
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                14.56
             |                                 
            
                18,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2011
             | 
            
                +0.20 / +0.95%
             |             
            
                21.20
             |           
            
                21.40
             |               
            
                20.90
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                14.76
             |                                 
            
                40,570
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2011
             | 
            
                0.00 / 0.00%
             |             
            
                21.10
             |           
            
                22.00
             |               
            
                21.10
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                14.63
             |                                 
            
                14,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2011
             | 
            
                +0.60 / +2.93%
             |             
            
                21.00
             |           
            
                21.50
             |               
            
                21.00
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                14.63
             |                                 
            
                113,520
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2011
             | 
            
                -0.80 / -3.76%
             |             
            
                20.70
             |           
            
                20.80
             |               
            
                20.40
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                14.21
             |                                 
            
                29,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2011
             | 
            
                -0.10 / -0.47%
             |             
            
                21.10
             |           
            
                21.30
             |               
            
                20.70
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                14.76
             |                                 
            
                69,840
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                20.90
             |           
            
                21.80
             |               
            
                20.90
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                14.83
             |                                 
            
                36,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2011
             | 
            
                +0.50 / +2.39%
             |             
            
                20.80
             |           
            
                21.40
             |               
            
                20.70
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                14.83
             |                                 
            
                78,730
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2011
             | 
            
                -0.60 / -2.79%
             |             
            
                21.50
             |           
            
                21.90
             |               
            
                20.90
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                14.49
             |                                 
            
                59,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2011
             | 
            
                -0.20 / -0.92%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.00
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                14.90
             |                                 
            
                111,760
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2010
             | 
            
                +0.90 / +4.33%
             |             
            
                20.70
             |           
            
                21.70
             |               
            
                20.60
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                15.04
             |                                 
            
                124,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2010
             | 
            
                +0.20 / +0.97%
             |             
            
                21.10
             |           
            
                21.10
             |               
            
                20.60
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                14.42
             |                                 
            
                129,770
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2010
             | 
            
                -0.30 / -1.44%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                14.28
             |                                 
            
                144,640
             |  
            
                 
             |                                                              
             
    
         
    
    
 |