| 
                 
                    Closing price on 3/20/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.30 | 
                 
                
                    | High | 
                    21.30 | 
                 
                
                    | Low | 
                    20.50 | 
                     
                
                    | Volume | 
                    2,140 | 
                                 
                
                    | Split-adjusted Price | 
                    16.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BBC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/20/2013
             | 
            
                -0.30 / -1.41%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                20.50
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                16.41
             |                                 
            
                2,140
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2013
             | 
            
                -0.10 / -0.47%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                21.00
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                16.64
             |                                 
            
                5,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2013
             | 
            
                +1.40 / +7.00%
             |             
            
                21.30
             |           
            
                21.40
             |               
            
                21.00
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                16.72
             |                                 
            
                269,880
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2013
             | 
            
                +0.30 / +1.52%
             |             
            
                19.20
             |           
            
                20.80
             |               
            
                19.20
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                15.63
             |                                 
            
                53,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2013
             | 
            
                +0.10 / +0.51%
             |             
            
                19.60
             |           
            
                20.20
             |               
            
                19.60
             |                           
            
                19.70
             | 
            
                19.70
             |                     
            
                15.39
             |                                 
            
                10,240
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                20.20
             |           
            
                20.20
             |               
            
                19.60
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                15.31
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2013
             | 
            
                -0.10 / -0.51%
             |             
            
                19.00
             |           
            
                20.10
             |               
            
                19.00
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                15.31
             |                                 
            
                65,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2013
             | 
            
                -0.10 / -0.51%
             |             
            
                20.00
             |           
            
                20.10
             |               
            
                19.50
             |                           
            
                19.70
             | 
            
                19.70
             |                     
            
                15.39
             |                                 
            
                14,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2013
             | 
            
                +0.70 / +3.66%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                18.10
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                15.47
             |                                 
            
                42,440
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2013
             | 
            
                -0.40 / -2.05%
             |             
            
                19.70
             |           
            
                19.80
             |               
            
                19.10
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                14.92
             |                                 
            
                53,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2013
             | 
            
                +0.40 / +2.09%
             |             
            
                19.70
             |           
            
                19.70
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                15.24
             |                                 
            
                10,310
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2013
             | 
            
                -0.40 / -2.05%
             |             
            
                19.50
             |           
            
                19.90
             |               
            
                18.70
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                14.92
             |                                 
            
                12,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2013
             | 
            
                +0.40 / +2.09%
             |             
            
                19.90
             |           
            
                20.30
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                15.24
             |                                 
            
                52,090
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                +0.10 / +0.53%
             |             
            
                19.30
             |           
            
                19.80
             |               
            
                19.10
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                14.92
             |                                 
            
                830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                +0.20 / +1.06%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                14.85
             |                                 
            
                320
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                -0.20 / -1.05%
             |             
            
                19.00
             |           
            
                19.20
             |               
            
                18.10
             |                           
            
                18.80
             | 
            
                18.80
             |                     
            
                14.69
             |                                 
            
                4,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -0.20 / -1.04%
             |             
            
                19.00
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                14.85
             |                                 
            
                47,030
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                +1.20 / +6.67%
             |             
            
                18.20
             |           
            
                19.20
             |               
            
                18.20
             |                           
            
                19.20
             | 
            
                19.20
             |                     
            
                15.00
             |                                 
            
                8,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2013
             | 
            
                -0.90 / -4.76%
             |             
            
                19.00
             |           
            
                20.00
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                14.06
             |                                 
            
                15,320
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2013
             | 
            
                -1.40 / -6.90%
             |             
            
                20.30
             |           
            
                20.30
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                14.77
             |                                 
            
                28,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2013
             | 
            
                0.00 / 0.00%
             |             
            
                20.30
             |           
            
                20.50
             |               
            
                20.00
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                15.86
             |                                 
            
                6,510
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2013
             | 
            
                +0.20 / +1.00%
             |             
            
                20.20
             |           
            
                20.30
             |               
            
                20.00
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                15.86
             |                                 
            
                34,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                20.10
             |           
            
                20.20
             |               
            
                19.60
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                15.71
             |                                 
            
                19,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2013
             | 
            
                +0.70 / +3.61%
             |             
            
                20.00
             |           
            
                20.50
             |               
            
                20.00
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                15.71
             |                                 
            
                16,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2013
             | 
            
                +0.30 / +1.57%
             |             
            
                19.20
             |           
            
                19.50
             |               
            
                19.20
             |                           
            
                19.40
             | 
            
                19.40
             |                     
            
                15.16
             |                                 
            
                12,110
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                14.92
             |                                 
            
                12,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2013
             | 
            
                -0.40 / -2.05%
             |             
            
                19.50
             |           
            
                19.80
             |               
            
                19.00
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                14.92
             |                                 
            
                37,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2013
             | 
            
                -0.60 / -2.99%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                15.24
             |                                 
            
                21,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                19.50
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                15.71
             |                                 
            
                3,220
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                20.00
             |           
            
                20.60
             |               
            
                19.50
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                15.71
             |                                 
            
                58,170
             |  
            
                 
             |                                                              
             
    
         
    
    
 |