| 
                 
                    Closing price on 4/22/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.40 | 
                 
                
                    | High | 
                    5.70 | 
                 
                
                    | Low | 
                    5.40 | 
                     
                
                    | Volume | 
                    8,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.99 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BLF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2011
             | 
            
                -0.20 / -2.94%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.67
             |                     
            
                5.99
             |                                 
            
                11,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2011
             | 
            
                -0.20 / -2.86%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.78
             |                     
            
                6.17
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2011
             | 
            
                -0.10 / -1.41%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.35
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2011
             | 
            
                -0.10 / -1.39%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.13
             |                     
            
                6.44
             |                                 
            
                9,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2011
             | 
            
                +0.20 / +2.86%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.18
             |                     
            
                6.53
             |                                 
            
                12,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2011
             | 
            
                -0.20 / -2.78%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.07
             |                     
            
                6.35
             |                                 
            
                10,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.20
             | 
            
                7.07
             |                     
            
                6.53
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2011
             | 
            
                +0.10 / +1.41%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.20
             | 
            
                7.00
             |                     
            
                6.53
             |                                 
            
                9,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2011
             | 
            
                -0.30 / -4.05%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.22
             |                     
            
                6.44
             |                                 
            
                9,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.40
             | 
            
                7.21
             |                     
            
                6.71
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2011
             | 
            
                -0.10 / -1.33%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.44
             |                     
            
                6.71
             |                                 
            
                6,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2011
             | 
            
                +0.50 / +7.14%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.46
             |                     
            
                6.80
             |                                 
            
                20,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2011
             | 
            
                -0.20 / -2.78%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.06
             |                     
            
                6.35
             |                                 
            
                13,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2011
             | 
            
                -0.20 / -2.70%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.24
             |                     
            
                6.53
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.32
             |                     
            
                6.71
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2011
             | 
            
                -0.20 / -2.63%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.47
             |                     
            
                6.71
             |                                 
            
                8,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.59
             |                     
            
                6.89
             |                                 
            
                4,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2011
             | 
            
                +0.30 / +4.11%
             |             
            
                7.30
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.60
             | 
            
                7.52
             |                     
            
                6.89
             |                                 
            
                22,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2011
             | 
            
                +0.20 / +2.82%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.19
             |                     
            
                6.62
             |                                 
            
                31,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2011
             | 
            
                -0.10 / -1.39%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.09
             |                     
            
                6.44
             |                                 
            
                6,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2011
             | 
            
                -0.20 / -2.70%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.32
             |                     
            
                6.53
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2011
             | 
            
                -0.50 / -6.33%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.50
             |                     
            
                6.71
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2011
             | 
            
                +0.40 / +5.33%
             |             
            
                7.60
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.90
             | 
            
                7.81
             |                     
            
                7.17
             |                                 
            
                42,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2011
             | 
            
                +0.40 / +5.63%
             |             
            
                7.20
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.44
             |                     
            
                6.80
             |                                 
            
                11,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |