| 
                 
                    Closing price on 5/9/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    9.10 | 
                 
                
                    | Low | 
                    8.20 | 
                     
                
                    | Volume | 
                    107,600 | 
                                 
                
                    | Split-adjusted Price | 
                    7.62 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BLF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/9/2013
             | 
            
                -0.70 / -7.69%
             |             
            
                8.20
             |           
            
                9.10
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.26
             |                     
            
                7.62
             |                                 
            
                107,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2013
             | 
            
                -1.10 / -10.78%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                9.10
             |                           
            
                9.10
             | 
            
                9.37
             |                     
            
                8.25
             |                                 
            
                33,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2013
             | 
            
                +0.10 / +0.99%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                9.30
             |                           
            
                10.20
             | 
            
                9.84
             |                     
            
                9.25
             |                                 
            
                66,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2013
             | 
            
                +0.90 / +9.78%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                9.40
             |                           
            
                10.10
             | 
            
                9.93
             |                     
            
                9.16
             |                                 
            
                67,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2013
             | 
            
                +0.40 / +4.55%
             |             
            
                8.40
             |           
            
                9.20
             |               
            
                8.40
             |                           
            
                9.20
             | 
            
                9.03
             |                     
            
                8.34
             |                                 
            
                117,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2013
             | 
            
                +0.60 / +7.32%
             |             
            
                7.50
             |           
            
                8.80
             |               
            
                7.30
             |                           
            
                8.80
             | 
            
                7.90
             |                     
            
                7.98
             |                                 
            
                67,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2013
             | 
            
                +0.40 / +5.13%
             |             
            
                7.90
             |           
            
                8.20
             |               
            
                7.20
             |                           
            
                8.20
             | 
            
                7.71
             |                     
            
                7.44
             |                                 
            
                43,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2013
             | 
            
                +0.30 / +4.00%
             |             
            
                7.50
             |           
            
                8.10
             |               
            
                7.30
             |                           
            
                7.80
             | 
            
                7.78
             |                     
            
                7.07
             |                                 
            
                83,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2013
             | 
            
                +0.60 / +8.70%
             |             
            
                7.10
             |           
            
                7.50
             |               
            
                7.00
             |                           
            
                7.50
             | 
            
                7.26
             |                     
            
                6.80
             |                                 
            
                113,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2013
             | 
            
                +0.50 / +7.81%
             |             
            
                6.60
             |           
            
                7.00
             |               
            
                6.00
             |                           
            
                6.90
             | 
            
                6.72
             |                     
            
                6.26
             |                                 
            
                97,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2013
             | 
            
                +0.50 / +8.47%
             |             
            
                6.10
             |           
            
                6.40
             |               
            
                6.00
             |                           
            
                6.40
             | 
            
                6.37
             |                     
            
                5.80
             |                                 
            
                90,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2013
             | 
            
                +0.50 / +9.26%
             |             
            
                5.70
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.90
             | 
            
                5.84
             |                     
            
                5.35
             |                                 
            
                47,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2013
             | 
            
                -0.40 / -6.90%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.48
             |                     
            
                4.90
             |                                 
            
                34,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2013
             | 
            
                -0.40 / -6.45%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.77
             |                     
            
                5.26
             |                                 
            
                132,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2013
             | 
            
                +0.50 / +8.77%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.19
             |                     
            
                5.62
             |                                 
            
                112,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2013
             | 
            
                +0.50 / +9.62%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.68
             |                     
            
                5.17
             |                                 
            
                193,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2013
             | 
            
                +0.40 / +8.33%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.19
             |                     
            
                4.72
             |                                 
            
                131,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.79
             |                     
            
                4.35
             |                                 
            
                63,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2013
             | 
            
                +0.40 / +9.09%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                4.35
             |                                 
            
                89,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2013
             | 
            
                +0.40 / +10.00%
             |             
            
                4.10
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.40
             | 
            
                4.31
             |                     
            
                3.99
             |                                 
            
                40,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                3.97
             |                     
            
                3.63
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                3.92
             |                     
            
                3.63
             |                                 
            
                12,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2013
             | 
            
                -0.20 / -4.76%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                4.02
             |                     
            
                3.63
             |                                 
            
                19,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.23
             |                     
            
                3.81
             |                                 
            
                11,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2013
             | 
            
                +0.20 / +5.00%
             |             
            
                4.00
             |           
            
                4.20
             |               
            
                3.90
             |                           
            
                4.20
             | 
            
                4.03
             |                     
            
                3.81
             |                                 
            
                36,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2013
             | 
            
                -0.10 / -2.44%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                3.93
             |                     
            
                3.63
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2013
             | 
            
                +0.10 / +2.50%
             |             
            
                3.80
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                4.10
             | 
            
                3.95
             |                     
            
                3.72
             |                                 
            
                25,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.80
             |           
            
                4.00
             |               
            
                3.60
             |                           
            
                4.00
             | 
            
                3.92
             |                     
            
                3.63
             |                                 
            
                27,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2013
             | 
            
                -0.40 / -9.09%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.12
             |                     
            
                3.63
             |                                 
            
                11,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2013
             | 
            
                +0.20 / +4.76%
             |             
            
                4.20
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.40
             | 
            
                4.19
             |                     
            
                3.99
             |                                 
            
                87,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |