| 
                 
                    Closing price on 5/30/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.10 | 
                 
                
                    | High | 
                    4.70 | 
                 
                
                    | Low | 
                    4.10 | 
                     
                
                    | Volume | 
                    18,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.26 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BLF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/30/2011
             | 
            
                +0.30 / +6.82%
             |             
            
                4.10
             |           
            
                4.70
             |               
            
                4.10
             |                           
            
                4.70
             | 
            
                4.63
             |                     
            
                4.26
             |                                 
            
                18,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2011
             | 
            
                -0.10 / -2.22%
             |             
            
                4.00
             |           
            
                4.40
             |               
            
                4.00
             |                           
            
                4.40
             | 
            
                4.39
             |                     
            
                3.99
             |                                 
            
                4,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2011
             | 
            
                +0.10 / +2.27%
             |             
            
                4.10
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.50
             | 
            
                4.18
             |                     
            
                4.08
             |                                 
            
                21,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2011
             | 
            
                -0.20 / -4.35%
             |             
            
                4.50
             |           
            
                4.90
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.38
             |                     
            
                3.99
             |                                 
            
                21,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2011
             | 
            
                -0.30 / -6.12%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.17
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2011
             | 
            
                -0.20 / -3.92%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.95
             |                     
            
                4.44
             |                                 
            
                5,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2011
             | 
            
                -0.40 / -7.27%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.16
             |                     
            
                4.63
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.30
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.50
             | 
            
                5.37
             |                     
            
                4.99
             |                                 
            
                6,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2011
             | 
            
                +0.10 / +1.85%
             |             
            
                5.20
             |           
            
                5.60
             |               
            
                5.20
             |                           
            
                5.50
             | 
            
                5.41
             |                     
            
                4.99
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2011
             | 
            
                -0.30 / -5.26%
             |             
            
                5.40
             |           
            
                5.90
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.49
             |                     
            
                4.90
             |                                 
            
                16,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.82
             |                     
            
                5.17
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2011
             | 
            
                +0.10 / +1.79%
             |             
            
                5.70
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.75
             |                     
            
                5.17
             |                                 
            
                19,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2011
             | 
            
                -0.40 / -6.67%
             |             
            
                5.40
             |           
            
                6.00
             |               
            
                5.40
             |                           
            
                5.60
             | 
            
                5.86
             |                     
            
                5.08
             |                                 
            
                4,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2011
             | 
            
                +0.10 / +1.69%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.50
             |                           
            
                6.00
             | 
            
                5.76
             |                     
            
                5.44
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2011
             | 
            
                +0.10 / +1.72%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                5.90
             | 
            
                5.87
             |                     
            
                5.35
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2011
             | 
            
                +0.10 / +1.75%
             |             
            
                5.30
             |           
            
                5.80
             |               
            
                5.30
             |                           
            
                5.80
             | 
            
                5.76
             |                     
            
                5.26
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2011
             | 
            
                +0.10 / +1.79%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.62
             |                     
            
                5.17
             |                                 
            
                25,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2011
             | 
            
                -0.10 / -1.75%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.72
             |                     
            
                5.08
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                5.17
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.60
             |                     
            
                5.17
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2011
             | 
            
                +0.20 / +3.64%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.55
             |                     
            
                5.17
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2011
             | 
            
                +0.10 / +1.85%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                4.99
             |                                 
            
                32,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2011
             | 
            
                -0.50 / -8.47%
             |             
            
                5.40
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.54
             |                     
            
                4.90
             |                                 
            
                29,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2011
             | 
            
                +0.40 / +7.27%
             |             
            
                5.30
             |           
            
                5.90
             |               
            
                5.30
             |                           
            
                5.90
             | 
            
                5.85
             |                     
            
                5.35
             |                                 
            
                15,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2011
             | 
            
                -0.20 / -3.51%
             |             
            
                5.40
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.59
             |                     
            
                4.99
             |                                 
            
                8,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2011
             | 
            
                -0.10 / -1.72%
             |             
            
                5.70
             |           
            
                6.00
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.76
             |                     
            
                5.17
             |                                 
            
                6,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                5.26
             |                                 
            
                9,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2011
             | 
            
                -0.20 / -3.33%
             |             
            
                5.60
             |           
            
                6.00
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.82
             |                     
            
                5.26
             |                                 
            
                20,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2011
             | 
            
                -0.40 / -6.25%
             |             
            
                6.00
             |           
            
                6.60
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                6.01
             |                     
            
                5.44
             |                                 
            
                20,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2011
             | 
            
                -0.20 / -3.03%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.35
             |                     
            
                5.80
             |                                 
            
                34,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |