| 
                 
                    Closing price on 5/17/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.90 | 
                 
                
                    | High | 
                    13.90 | 
                 
                
                    | Low | 
                    12.60 | 
                     
                
                    | Volume | 
                    41,700 | 
                                 
                
                    | Split-adjusted Price | 
                    11.52 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BLF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/17/2010
             | 
            
                -0.70 / -5.22%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.76
             |                     
            
                11.52
             |                                 
            
                41,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2010
             | 
            
                +0.80 / +6.35%
             |             
            
                12.60
             |           
            
                13.40
             |               
            
                12.60
             |                           
            
                13.40
             | 
            
                13.26
             |                     
            
                12.15
             |                                 
            
                76,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2010
             | 
            
                -0.10 / -0.79%
             |             
            
                12.70
             |           
            
                13.00
             |               
            
                12.20
             |                           
            
                12.60
             | 
            
                12.57
             |                     
            
                11.43
             |                                 
            
                83,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2010
             | 
            
                -1.00 / -7.30%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.71
             |                     
            
                11.52
             |                                 
            
                243,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2010
             | 
            
                -0.70 / -4.86%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                13.40
             |                           
            
                13.70
             | 
            
                13.51
             |                     
            
                12.43
             |                                 
            
                190,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2010
             | 
            
                -0.80 / -5.26%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                14.40
             |                           
            
                14.40
             | 
            
                14.43
             |                     
            
                13.06
             |                                 
            
                53,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2010
             | 
            
                +0.10 / +0.66%
             |             
            
                15.60
             |           
            
                15.70
             |               
            
                14.70
             |                           
            
                15.20
             | 
            
                15.39
             |                     
            
                13.79
             |                                 
            
                241,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2010
             | 
            
                +0.80 / +5.59%
             |             
            
                14.40
             |           
            
                15.10
             |               
            
                13.90
             |                           
            
                15.10
             | 
            
                14.73
             |                     
            
                13.70
             |                                 
            
                333,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2010
             | 
            
                +0.80 / +5.93%
             |             
            
                14.00
             |           
            
                14.30
             |               
            
                13.00
             |                           
            
                14.30
             | 
            
                14.16
             |                     
            
                12.97
             |                                 
            
                306,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2010
             | 
            
                +0.70 / +5.47%
             |             
            
                13.10
             |           
            
                13.50
             |               
            
                13.00
             |                           
            
                13.50
             | 
            
                13.39
             |                     
            
                12.24
             |                                 
            
                181,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2010
             | 
            
                +0.30 / +2.40%
             |             
            
                12.60
             |           
            
                12.90
             |               
            
                12.50
             |                           
            
                12.80
             | 
            
                12.66
             |                     
            
                11.61
             |                                 
            
                64,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2010
             | 
            
                -0.20 / -1.57%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                12.40
             |                           
            
                12.50
             | 
            
                12.57
             |                     
            
                11.34
             |                                 
            
                79,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2010
             | 
            
                0.00 / 0.00%
             |             
            
                12.80
             |           
            
                13.00
             |               
            
                12.20
             |                           
            
                12.70
             | 
            
                12.72
             |                     
            
                11.52
             |                                 
            
                53,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2010
             | 
            
                -0.50 / -3.79%
             |             
            
                13.20
             |           
            
                13.20
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.83
             |                     
            
                11.52
             |                                 
            
                62,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2010
             | 
            
                -0.70 / -5.04%
             |             
            
                13.90
             |           
            
                14.20
             |               
            
                12.60
             |                           
            
                13.20
             | 
            
                13.47
             |                     
            
                11.97
             |                                 
            
                56,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2010
             | 
            
                +1.00 / +7.75%
             |             
            
                12.90
             |           
            
                13.90
             |               
            
                12.70
             |                           
            
                13.90
             | 
            
                13.46
             |                     
            
                12.61
             |                                 
            
                318,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2010
             | 
            
                -0.10 / -0.77%
             |             
            
                12.80
             |           
            
                13.30
             |               
            
                12.70
             |                           
            
                12.90
             | 
            
                13.00
             |                     
            
                11.70
             |                                 
            
                109,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2010
             | 
            
                +0.60 / +4.84%
             |             
            
                12.50
             |           
            
                13.10
             |               
            
                12.00
             |                           
            
                13.00
             | 
            
                12.74
             |                     
            
                11.79
             |                                 
            
                184,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2010
             | 
            
                +0.20 / +1.64%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.20
             |                           
            
                12.40
             | 
            
                12.34
             |                     
            
                11.25
             |                                 
            
                58,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2010
             | 
            
                +0.20 / +1.67%
             |             
            
                12.20
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.20
             | 
            
                12.14
             |                     
            
                11.07
             |                                 
            
                25,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2010
             | 
            
                -0.40 / -3.23%
             |             
            
                12.20
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.17
             |                     
            
                10.88
             |                                 
            
                8,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.50
             |               
            
                12.10
             |                           
            
                12.40
             | 
            
                12.37
             |                     
            
                11.25
             |                                 
            
                62,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2010
             | 
            
                +0.20 / +1.64%
             |             
            
                12.20
             |           
            
                12.40
             |               
            
                12.20
             |                           
            
                12.40
             | 
            
                12.30
             |                     
            
                11.25
             |                                 
            
                45,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2010
             | 
            
                +0.10 / +0.83%
             |             
            
                12.30
             |           
            
                12.40
             |               
            
                12.10
             |                           
            
                12.20
             | 
            
                12.28
             |                     
            
                11.07
             |                                 
            
                43,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2010
             | 
            
                +0.30 / +2.54%
             |             
            
                12.00
             |           
            
                12.20
             |               
            
                11.90
             |                           
            
                12.10
             | 
            
                12.00
             |                     
            
                10.97
             |                                 
            
                57,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2010
             | 
            
                -0.10 / -0.84%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.87
             |                     
            
                10.70
             |                                 
            
                26,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2010
             | 
            
                -0.30 / -2.46%
             |             
            
                11.90
             |           
            
                12.00
             |               
            
                11.80
             |                           
            
                11.90
             | 
            
                11.96
             |                     
            
                10.79
             |                                 
            
                31,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2010
             | 
            
                +0.40 / +3.39%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                11.80
             |                           
            
                12.20
             | 
            
                11.91
             |                     
            
                11.07
             |                                 
            
                31,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2010
             | 
            
                -0.20 / -1.67%
             |             
            
                12.10
             |           
            
                12.20
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                12.01
             |                     
            
                10.70
             |                                 
            
                9,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2010
             | 
            
                +0.30 / +2.56%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.90
             |                           
            
                12.00
             | 
            
                11.99
             |                     
            
                10.88
             |                                 
            
                11,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |