| 
                 
                    Closing price on 4/29/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.40 | 
                 
                
                    | High | 
                    6.40 | 
                 
                
                    | Low | 
                    6.20 | 
                     
                
                    | Volume | 
                    47,650 | 
                                 
                
                    | Split-adjusted Price | 
                    3.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2014
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.80
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                4.05
             |                                 
            
                165,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2014
             | 
            
                -0.10 / -1.16%
             |             
            
                8.60
             |           
            
                8.70
             |               
            
                8.40
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                4.05
             |                                 
            
                110,770
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2014
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.50
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                4.09
             |                                 
            
                154,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2014
             | 
            
                +0.10 / +1.18%
             |             
            
                8.40
             |           
            
                8.90
             |               
            
                8.40
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                4.09
             |                                 
            
                245,370
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2014
             | 
            
                +0.20 / +2.41%
             |             
            
                8.30
             |           
            
                8.60
             |               
            
                8.30
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                4.05
             |                                 
            
                220,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2014
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                3.95
             |                                 
            
                137,840
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2014
             | 
            
                +0.20 / +2.47%
             |             
            
                8.10
             |           
            
                8.50
             |               
            
                8.10
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                3.95
             |                                 
            
                257,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2014
             | 
            
                -0.40 / -4.71%
             |             
            
                8.50
             |           
            
                8.60
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                3.86
             |                                 
            
                245,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2014
             | 
            
                -0.50 / -5.56%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.40
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                4.05
             |                                 
            
                236,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2014
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.28
             |                                 
            
                313,890
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2014
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                9.30
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.28
             |                                 
            
                170,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2014
             | 
            
                +0.10 / +1.12%
             |             
            
                8.60
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.28
             |                                 
            
                271,470
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2014
             | 
            
                -0.30 / -3.26%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                8.60
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                4.24
             |                                 
            
                662,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2014
             | 
            
                -0.20 / -2.13%
             |             
            
                9.70
             |           
            
                9.90
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.38
             |                                 
            
                803,560
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2014
             | 
            
                +0.60 / +6.82%
             |             
            
                9.00
             |           
            
                9.40
             |               
            
                9.00
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                4.48
             |                                 
            
                633,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2014
             | 
            
                +0.20 / +2.33%
             |             
            
                8.90
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                4.19
             |                                 
            
                232,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2014
             | 
            
                -0.20 / -2.27%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                4.09
             |                                 
            
                502,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2014
             | 
            
                -0.30 / -3.30%
             |             
            
                8.90
             |           
            
                9.10
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                4.19
             |                                 
            
                534,350
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2014
             | 
            
                +0.20 / +2.25%
             |             
            
                9.00
             |           
            
                9.40
             |               
            
                8.80
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.33
             |                                 
            
                629,860
             |  
            
                 
             |                                                              
             
    
         
    
    
 |