| 
                 
                    Closing price on 8/31/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.10 | 
                 
                
                    | High | 
                    13.30 | 
                 
                
                    | Low | 
                    12.60 | 
                     
                
                    | Volume | 
                    153,800 | 
                                 
                
                    | Split-adjusted Price | 
                    11.97 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BLF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/31/2010
             | 
            
                +0.70 / +5.60%
             |             
            
                13.10
             |           
            
                13.30
             |               
            
                12.60
             |                           
            
                13.20
             | 
            
                13.14
             |                     
            
                11.97
             |                                 
            
                153,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2010
             | 
            
                +0.70 / +5.93%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.20
             |                           
            
                12.50
             | 
            
                12.48
             |                     
            
                11.34
             |                                 
            
                47,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2010
             | 
            
                +0.10 / +0.85%
             |             
            
                11.50
             |           
            
                11.90
             |               
            
                11.30
             |                           
            
                11.80
             | 
            
                11.72
             |                     
            
                10.70
             |                                 
            
                63,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2010
             | 
            
                +0.40 / +3.54%
             |             
            
                11.50
             |           
            
                12.00
             |               
            
                11.10
             |                           
            
                11.70
             | 
            
                11.60
             |                     
            
                10.61
             |                                 
            
                108,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2010
             | 
            
                -0.70 / -5.83%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.20
             |                           
            
                11.30
             | 
            
                11.26
             |                     
            
                10.25
             |                                 
            
                163,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2010
             | 
            
                -0.70 / -5.51%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.04
             |                     
            
                10.88
             |                                 
            
                130,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2010
             | 
            
                -0.30 / -2.31%
             |             
            
                13.20
             |           
            
                13.20
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.79
             |                     
            
                11.52
             |                                 
            
                31,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2010
             | 
            
                -0.10 / -0.76%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                12.60
             |                           
            
                13.00
             | 
            
                13.02
             |                     
            
                11.79
             |                                 
            
                81,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2010
             | 
            
                -0.10 / -0.76%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                12.90
             |                           
            
                13.10
             | 
            
                13.12
             |                     
            
                11.88
             |                                 
            
                57,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2010
             | 
            
                -0.40 / -2.94%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                13.00
             |                           
            
                13.20
             | 
            
                13.40
             |                     
            
                11.97
             |                                 
            
                72,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2010
             | 
            
                -0.30 / -2.16%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                13.20
             |                           
            
                13.60
             | 
            
                13.57
             |                     
            
                12.33
             |                                 
            
                97,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2010
             | 
            
                +0.70 / +5.30%
             |             
            
                13.20
             |           
            
                13.90
             |               
            
                13.20
             |                           
            
                13.90
             | 
            
                13.81
             |                     
            
                12.61
             |                                 
            
                70,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2010
             | 
            
                +0.90 / +7.32%
             |             
            
                12.80
             |           
            
                13.20
             |               
            
                12.30
             |                           
            
                13.20
             | 
            
                12.99
             |                     
            
                11.97
             |                                 
            
                184,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2010
             | 
            
                -0.90 / -6.82%
             |             
            
                12.60
             |           
            
                12.80
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.37
             |                     
            
                11.16
             |                                 
            
                190,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2010
             | 
            
                +0.90 / +7.32%
             |             
            
                12.40
             |           
            
                13.20
             |               
            
                12.40
             |                           
            
                13.20
             | 
            
                13.09
             |                     
            
                11.97
             |                                 
            
                108,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2010
             | 
            
                -0.70 / -5.38%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.38
             |                     
            
                11.16
             |                                 
            
                109,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2010
             | 
            
                -0.90 / -6.47%
             |             
            
                13.70
             |           
            
                13.80
             |               
            
                12.80
             |                           
            
                13.00
             | 
            
                13.10
             |                     
            
                11.79
             |                                 
            
                123,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2010
             | 
            
                -0.40 / -2.80%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.50
             |                           
            
                13.90
             | 
            
                13.69
             |                     
            
                12.61
             |                                 
            
                144,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2010
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                14.80
             |               
            
                13.40
             |                           
            
                14.30
             | 
            
                14.21
             |                     
            
                12.97
             |                                 
            
                89,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2010
             | 
            
                -0.60 / -4.03%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.10
             |                           
            
                14.30
             | 
            
                14.23
             |                     
            
                12.97
             |                                 
            
                161,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2010
             | 
            
                -0.10 / -0.67%
             |             
            
                15.20
             |           
            
                15.50
             |               
            
                14.80
             |                           
            
                14.90
             | 
            
                15.06
             |                     
            
                13.51
             |                                 
            
                57,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2010
             | 
            
                -0.50 / -3.23%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.24
             |                     
            
                13.60
             |                                 
            
                60,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2010
             | 
            
                -0.10 / -0.64%
             |             
            
                15.50
             |           
            
                15.90
             |               
            
                15.20
             |                           
            
                15.50
             | 
            
                15.55
             |                     
            
                14.06
             |                                 
            
                70,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2010
             | 
            
                +0.30 / +1.96%
             |             
            
                15.40
             |           
            
                15.60
             |               
            
                15.00
             |                           
            
                15.60
             | 
            
                15.36
             |                     
            
                14.15
             |                                 
            
                72,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2010
             | 
            
                -0.40 / -2.55%
             |             
            
                15.80
             |           
            
                16.40
             |               
            
                15.00
             |                           
            
                15.30
             | 
            
                15.25
             |                     
            
                13.88
             |                                 
            
                128,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2010
             | 
            
                +0.30 / +1.95%
             |             
            
                15.20
             |           
            
                16.50
             |               
            
                15.00
             |                           
            
                15.70
             | 
            
                16.12
             |                     
            
                14.24
             |                                 
            
                144,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2010
             | 
            
                -0.70 / -4.35%
             |             
            
                16.10
             |           
            
                16.20
             |               
            
                15.10
             |                           
            
                15.40
             | 
            
                15.63
             |                     
            
                13.97
             |                                 
            
                179,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2010
             | 
            
                -0.10 / -0.62%
             |             
            
                16.10
             |           
            
                16.40
             |               
            
                15.80
             |                           
            
                16.10
             | 
            
                16.03
             |                     
            
                14.60
             |                                 
            
                130,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2010
             | 
            
                -0.60 / -3.57%
             |             
            
                16.50
             |           
            
                16.90
             |               
            
                15.90
             |                           
            
                16.20
             | 
            
                16.12
             |                     
            
                14.69
             |                                 
            
                136,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2010
             | 
            
                -1.10 / -6.15%
             |             
            
                18.20
             |           
            
                18.80
             |               
            
                16.70
             |                           
            
                16.80
             | 
            
                17.04
             |                     
            
                15.24
             |                                 
            
                172,000
             |  
            
                 
             |                                                              
             
    
         
    
    
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