| 
                 
                    Closing price on 4/23/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.30 | 
                 
                
                    | High | 
                    25.30 | 
                 
                
                    | Low | 
                    24.30 | 
                     
                
                    | Volume | 
                    290,520 | 
                                 
                
                    | Split-adjusted Price | 
                    19.22 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BBC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2012
             | 
            
                +0.70 / +4.76%
             |             
            
                14.70
             |           
            
                15.40
             |               
            
                14.70
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                11.43
             |                                 
            
                208,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2012
             | 
            
                +0.10 / +0.68%
             |             
            
                14.60
             |           
            
                14.80
             |               
            
                14.60
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                10.91
             |                                 
            
                61,480
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2012
             | 
            
                0.00 / 0.00%
             |             
            
                14.30
             |           
            
                14.70
             |               
            
                14.30
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                10.83
             |                                 
            
                23,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2012
             | 
            
                +0.10 / +0.69%
             |             
            
                14.70
             |           
            
                14.80
             |               
            
                14.40
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                10.83
             |                                 
            
                49,420
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2012
             | 
            
                +0.10 / +0.69%
             |             
            
                14.40
             |           
            
                14.50
             |               
            
                14.20
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                10.76
             |                                 
            
                7,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.50
             |               
            
                14.00
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                10.68
             |                                 
            
                35,440
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2012
             | 
            
                -0.10 / -0.69%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.20
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                10.68
             |                                 
            
                47,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2012
             | 
            
                +0.60 / +4.32%
             |             
            
                13.80
             |           
            
                14.50
             |               
            
                13.80
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                10.76
             |                                 
            
                58,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2012
             | 
            
                -0.10 / -0.71%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                10.31
             |                                 
            
                14,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2012
             | 
            
                +0.20 / +1.45%
             |             
            
                13.80
             |           
            
                14.00
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                10.39
             |                                 
            
                11,910
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                10.24
             |                                 
            
                45,210
             |  
            
                 
             |                                                              
             
    
         
    
    
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