| 
                 
                    Closing price on 10/15/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.10 | 
                 
                
                    | High | 
                    4.20 | 
                 
                
                    | Low | 
                    3.90 | 
                     
                
                    | Volume | 
                    19,450 | 
                                 
                
                    | Split-adjusted Price | 
                    2.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/15/2012
             | 
            
                +0.10 / +2.44%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                3.90
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.00
             |                                 
            
                19,450
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2012
             | 
            
                +0.10 / +2.50%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.95
             |                                 
            
                16,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2012
             | 
            
                +0.10 / +2.56%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                1.90
             |                                 
            
                36,420
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.80
             |           
            
                3.90
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                1.86
             |                                 
            
                6,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2012
             | 
            
                +0.10 / +2.63%
             |             
            
                3.80
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                1.86
             |                                 
            
                16,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2012
             | 
            
                -0.20 / -5.00%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                1.81
             |                                 
            
                9,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                1.90
             |                                 
            
                5,340
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2012
             | 
            
                +0.10 / +2.56%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                1.90
             |                                 
            
                17,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                1.86
             |                                 
            
                16,470
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2012
             | 
            
                -0.20 / -4.88%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                1.86
             |                                 
            
                1,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.90
             |           
            
                4.20
             |               
            
                3.90
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.95
             |                                 
            
                7,770
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2012
             | 
            
                +0.10 / +2.50%
             |             
            
                3.80
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.95
             |                                 
            
                8,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2012
             | 
            
                +0.10 / +2.56%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                1.90
             |                                 
            
                19,550
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2012
             | 
            
                +0.10 / +2.63%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                1.86
             |                                 
            
                7,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2012
             | 
            
                -0.20 / -5.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                1.81
             |                                 
            
                22,090
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2012
             | 
            
                -0.20 / -4.76%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                1.90
             |                                 
            
                35,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2012
             | 
            
                -0.20 / -4.55%
             |             
            
                4.20
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.00
             |                                 
            
                26,250
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                2.09
             |                                 
            
                5,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2012
             | 
            
                -0.20 / -4.35%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                2.09
             |                                 
            
                34,910
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2012
             | 
            
                -0.20 / -4.17%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                2.19
             |                                 
            
                70
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2012
             | 
            
                +0.20 / +4.35%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.40
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                2.29
             |                                 
            
                17,620
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2012
             | 
            
                -0.20 / -4.17%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                2.19
             |                                 
            
                56,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2012
             | 
            
                +0.20 / +4.35%
             |             
            
                4.40
             |           
            
                4.80
             |               
            
                4.40
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                2.29
             |                                 
            
                21,580
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2012
             | 
            
                -0.20 / -4.17%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                2.19
             |                                 
            
                35,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2012
             | 
            
                -0.20 / -4.00%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                2.29
             |                                 
            
                15,650
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2012
             | 
            
                -0.20 / -3.85%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                2.38
             |                                 
            
                13,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2012
             | 
            
                -0.20 / -3.70%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                2.48
             |                                 
            
                23,140
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.57
             |                                 
            
                12,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.57
             |                                 
            
                7,760
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.57
             |                                 
            
                16,310
             |  
            
                 
             |                                                              
             
    
         
    
    
 |