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                    Closing price on 4/3/2012
                 
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             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.40 | 
                 
                
                    | High | 
                    6.70 | 
                 
                
                    | Low | 
                    6.10 | 
                     
                
                    | Volume | 
                    72,210 | 
                                 
                
                    | Split-adjusted Price | 
                    3.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/3/2012
             | 
            
                +0.20 / +3.13%
             |             
            
                6.40
             |           
            
                6.70
             |               
            
                6.10
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                3.14
             |                                 
            
                72,210
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2012
             | 
            
                -0.30 / -4.48%
             |             
            
                6.40
             |           
            
                6.80
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.05
             |                                 
            
                144,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2012
             | 
            
                -0.30 / -4.29%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                3.19
             |                                 
            
                124,710
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2012
             | 
            
                -0.30 / -4.11%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                3.33
             |                                 
            
                214,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2012
             | 
            
                -0.30 / -3.95%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                3.48
             |                                 
            
                327,860
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2012
             | 
            
                +0.30 / +4.11%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                3.62
             |                                 
            
                81,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2012
             | 
            
                +0.30 / +4.29%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                3.48
             |                                 
            
                157,460
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2012
             | 
            
                +0.30 / +4.48%
             |             
            
                6.80
             |           
            
                7.00
             |               
            
                6.50
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                3.33
             |                                 
            
                263,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2012
             | 
            
                +0.30 / +4.69%
             |             
            
                6.40
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                3.19
             |                                 
            
                398,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2012
             | 
            
                +0.10 / +1.59%
             |             
            
                6.30
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.05
             |                                 
            
                195,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2012
             | 
            
                +0.20 / +3.28%
             |             
            
                6.10
             |           
            
                6.30
             |               
            
                6.10
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                3.00
             |                                 
            
                56,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2012
             | 
            
                +0.20 / +3.39%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                2.90
             |                                 
            
                158,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2012
             | 
            
                +0.20 / +3.51%
             |             
            
                5.50
             |           
            
                5.90
             |               
            
                5.50
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.81
             |                                 
            
                68,260
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.71
             |                                 
            
                23,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2012
             | 
            
                -0.20 / -3.39%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.71
             |                                 
            
                20,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2012
             | 
            
                -0.10 / -1.67%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                5.70
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.81
             |                                 
            
                54,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2012
             | 
            
                -0.30 / -4.76%
             |             
            
                6.20
             |           
            
                6.40
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                2.86
             |                                 
            
                20,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2012
             | 
            
                +0.20 / +3.28%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                3.00
             |                                 
            
                208,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2012
             | 
            
                +0.20 / +3.39%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                2.90
             |                                 
            
                217,980
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2012
             | 
            
                +0.20 / +3.51%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.81
             |                                 
            
                106,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2012
             | 
            
                +0.20 / +3.64%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.71
             |                                 
            
                25,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2012
             | 
            
                +0.20 / +3.77%
             |             
            
                5.40
             |           
            
                5.50
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                2.62
             |                                 
            
                188,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2012
             | 
            
                -0.20 / -3.64%
             |             
            
                5.40
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                2.52
             |                                 
            
                52,510
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2012
             | 
            
                -0.10 / -1.79%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                2.62
             |                                 
            
                79,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2012
             | 
            
                +0.10 / +1.82%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.30
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                2.67
             |                                 
            
                87,090
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2012
             | 
            
                +0.10 / +1.85%
             |             
            
                5.30
             |           
            
                5.60
             |               
            
                5.20
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                2.62
             |                                 
            
                82,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2012
             | 
            
                -0.20 / -3.57%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.57
             |                                 
            
                152,830
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2012
             | 
            
                +0.20 / +3.70%
             |             
            
                5.40
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                2.67
             |                                 
            
                80,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2012
             | 
            
                +0.20 / +3.85%
             |             
            
                5.20
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.57
             |                                 
            
                118,630
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2012
             | 
            
                +0.10 / +1.96%
             |             
            
                5.00
             |           
            
                5.30
             |               
            
                4.90
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                2.48
             |                                 
            
                124,410
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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