| 
                 
                    Closing price on 5/10/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.00 | 
                 
                
                    | High | 
                    29.00 | 
                 
                
                    | Low | 
                    27.00 | 
                     
                
                    | Volume | 
                    601,760 | 
                                 
                
                    | Split-adjusted Price | 
                    21.33 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BBC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/10/2012
             | 
            
                -1.10 / -3.87%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                27.00
             |                           
            
                27.30
             | 
            
                27.30
             |                     
            
                21.33
             |                                 
            
                601,760
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2012
             | 
            
                +1.30 / +4.80%
             |             
            
                27.00
             |           
            
                28.40
             |               
            
                26.60
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                22.19
             |                                 
            
                535,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2012
             | 
            
                +0.50 / +1.88%
             |             
            
                27.90
             |           
            
                27.90
             |               
            
                26.60
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                21.17
             |                                 
            
                662,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2012
             | 
            
                +1.20 / +4.72%
             |             
            
                26.60
             |           
            
                26.60
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                20.78
             |                                 
            
                358,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2012
             | 
            
                +1.20 / +4.96%
             |             
            
                25.00
             |           
            
                25.40
             |               
            
                25.00
             |                           
            
                25.40
             | 
            
                25.40
             |                     
            
                19.85
             |                                 
            
                805,310
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2012
             | 
            
                +1.10 / +4.76%
             |             
            
                23.00
             |           
            
                24.20
             |               
            
                22.80
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                18.91
             |                                 
            
                590,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2012
             | 
            
                -0.80 / -3.35%
             |             
            
                23.50
             |           
            
                24.30
             |               
            
                23.10
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                18.05
             |                                 
            
                158,430
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2012
             | 
            
                +0.60 / +2.58%
             |             
            
                23.30
             |           
            
                24.00
             |               
            
                22.60
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                18.67
             |                                 
            
                282,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2012
             | 
            
                -0.10 / -0.43%
             |             
            
                23.00
             |           
            
                24.30
             |               
            
                22.80
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                18.21
             |                                 
            
                134,590
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2012
             | 
            
                -0.60 / -2.50%
             |             
            
                23.20
             |           
            
                24.10
             |               
            
                23.10
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                18.28
             |                                 
            
                198,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2012
             | 
            
                -0.60 / -2.44%
             |             
            
                24.00
             |           
            
                24.80
             |               
            
                23.90
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                18.75
             |                                 
            
                85,410
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2012
             | 
            
                +0.50 / +2.07%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                24.30
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                19.22
             |                                 
            
                290,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2012
             | 
            
                +1.10 / +4.78%
             |             
            
                22.60
             |           
            
                24.10
             |               
            
                22.60
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                18.83
             |                                 
            
                256,850
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2012
             | 
            
                -1.00 / -4.17%
             |             
            
                23.00
             |           
            
                24.00
             |               
            
                22.80
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                17.97
             |                                 
            
                494,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2012
             | 
            
                -1.20 / -4.76%
             |             
            
                25.20
             |           
            
                25.20
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                18.75
             |                                 
            
                352,050
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                24.90
             |           
            
                25.30
             |               
            
                24.00
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                19.69
             |                                 
            
                417,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2012
             | 
            
                +0.60 / +2.44%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.10
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                19.69
             |                                 
            
                158,550
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2012
             | 
            
                +1.10 / +4.68%
             |             
            
                23.10
             |           
            
                24.60
             |               
            
                22.80
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                19.22
             |                                 
            
                755,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2012
             | 
            
                -0.30 / -1.26%
             |             
            
                23.70
             |           
            
                23.70
             |               
            
                22.60
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                18.36
             |                                 
            
                734,940
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2012
             | 
            
                +1.10 / +4.85%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                23.80
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                17.66
             |                                 
            
                84,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2012
             | 
            
                +1.00 / +4.61%
             |             
            
                22.70
             |           
            
                22.70
             |               
            
                22.70
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                16.84
             |                                 
            
                54,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2012
             | 
            
                +1.00 / +4.83%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.40
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                16.10
             |                                 
            
                76,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2012
             | 
            
                +0.90 / +4.55%
             |             
            
                20.30
             |           
            
                20.70
             |               
            
                20.00
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                15.36
             |                                 
            
                463,670
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2012
             | 
            
                +0.90 / +4.76%
             |             
            
                19.30
             |           
            
                19.80
             |               
            
                19.20
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                14.69
             |                                 
            
                405,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2012
             | 
            
                +0.90 / +5.00%
             |             
            
                18.20
             |           
            
                18.90
             |               
            
                18.00
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                14.02
             |                                 
            
                383,030
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2012
             | 
            
                -0.40 / -2.17%
             |             
            
                18.40
             |           
            
                18.40
             |               
            
                17.70
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                13.36
             |                                 
            
                182,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2012
             | 
            
                +0.70 / +3.95%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                17.40
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                13.65
             |                                 
            
                757,480
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2012
             | 
            
                +0.80 / +4.73%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                17.70
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                13.13
             |                                 
            
                76,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2012
             | 
            
                +0.80 / +4.97%
             |             
            
                16.50
             |           
            
                16.90
             |               
            
                16.50
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                12.54
             |                                 
            
                302,970
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2012
             | 
            
                +0.70 / +4.55%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.50
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                11.95
             |                                 
            
                172,990
             |  
            
                 
             |                                                              
             
    
         
    
    
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