| 
                 
                    Closing price on 5/29/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.40 | 
                 
                
                    | High | 
                    6.50 | 
                 
                
                    | Low | 
                    6.10 | 
                     
                
                    | Volume | 
                    147,300 | 
                                 
                
                    | Split-adjusted Price | 
                    3.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/29/2014
             | 
            
                +0.10 / +1.56%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                3.09
             |                                 
            
                147,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2014
             | 
            
                -0.10 / -1.54%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.20
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.05
             |                                 
            
                208,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2014
             | 
            
                +0.30 / +4.84%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                3.09
             |                                 
            
                165,280
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2014
             | 
            
                +0.30 / +5.08%
             |             
            
                5.70
             |           
            
                6.20
             |               
            
                5.70
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                2.95
             |                                 
            
                212,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2014
             | 
            
                -0.10 / -1.67%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.81
             |                                 
            
                177,680
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2014
             | 
            
                +0.30 / +5.26%
             |             
            
                5.80
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                2.86
             |                                 
            
                560,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2014
             | 
            
                +0.30 / +5.56%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.71
             |                                 
            
                174,130
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2014
             | 
            
                +0.30 / +5.88%
             |             
            
                5.10
             |           
            
                5.40
             |               
            
                5.10
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.57
             |                                 
            
                264,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2014
             | 
            
                0.00 / 0.00%
             |             
            
                5.10
             |           
            
                5.30
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                2.43
             |                                 
            
                249,510
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2014
             | 
            
                +0.20 / +4.08%
             |             
            
                4.90
             |           
            
                5.10
             |               
            
                4.70
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                2.43
             |                                 
            
                146,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2014
             | 
            
                0.00 / 0.00%
             |             
            
                4.90
             |           
            
                5.20
             |               
            
                4.60
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                2.33
             |                                 
            
                145,180
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2014
             | 
            
                +0.30 / +6.52%
             |             
            
                4.30
             |           
            
                4.90
             |               
            
                4.30
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                2.33
             |                                 
            
                159,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2014
             | 
            
                -0.30 / -6.12%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                2.19
             |                                 
            
                129,150
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2014
             | 
            
                -0.30 / -5.77%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                2.33
             |                                 
            
                50,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2014
             | 
            
                -0.20 / -3.70%
             |             
            
                5.10
             |           
            
                5.30
             |               
            
                5.10
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                2.48
             |                                 
            
                252,230
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2014
             | 
            
                -0.30 / -5.26%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.57
             |                                 
            
                181,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2014
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.71
             |                                 
            
                56,120
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2014
             | 
            
                -0.20 / -3.39%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.71
             |                                 
            
                175,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2014
             | 
            
                -0.40 / -6.35%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.81
             |                                 
            
                84,180
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2014
             | 
            
                -0.10 / -1.56%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                3.00
             |                                 
            
                47,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2014
             | 
            
                -0.30 / -4.48%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.05
             |                                 
            
                55,190
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2014
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                3.19
             |                                 
            
                257,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2014
             | 
            
                +0.10 / +1.52%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                3.19
             |                                 
            
                82,920
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2014
             | 
            
                -0.40 / -5.71%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                3.14
             |                                 
            
                139,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2014
             | 
            
                +0.10 / +1.45%
             |             
            
                6.70
             |           
            
                7.00
             |               
            
                6.50
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                3.33
             |                                 
            
                320,390
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2014
             | 
            
                -0.50 / -6.76%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                3.28
             |                                 
            
                124,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2014
             | 
            
                -0.50 / -6.33%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                3.52
             |                                 
            
                181,860
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2014
             | 
            
                +0.20 / +2.60%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                3.76
             |                                 
            
                141,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2014
             | 
            
                -0.50 / -6.10%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                3.67
             |                                 
            
                182,990
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2014
             | 
            
                -0.30 / -3.53%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                3.90
             |                                 
            
                255,770
             |  
            
                 
             |                                                              
             
    
         
    
    
 |