| 
                 
                    Closing price on 7/4/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    12.30 | 
                 
                
                    | High | 
                    12.30 | 
                 
                
                    | Low | 
                    11.30 | 
                     
                
                    | Volume | 
                    68,410 | 
                                 
                
                    | Split-adjusted Price | 
                    6.34 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/4/2018
             | 
            
                -0.45 / -3.78%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                11.30
             |                           
            
                11.45
             | 
            
                11.42
             |                     
            
                6.34
             |                                 
            
                68,410
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2018
             | 
            
                -0.30 / -2.46%
             |             
            
                11.85
             |           
            
                12.60
             |               
            
                11.80
             |                           
            
                11.90
             | 
            
                12.24
             |                     
            
                6.59
             |                                 
            
                41,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2018
             | 
            
                -0.40 / -3.17%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.44
             |                     
            
                6.76
             |                                 
            
                53,850
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2018
             | 
            
                +0.20 / +1.61%
             |             
            
                12.50
             |           
            
                12.70
             |               
            
                12.35
             |                           
            
                12.60
             | 
            
                12.57
             |                     
            
                6.98
             |                                 
            
                534,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2018
             | 
            
                +0.10 / +0.81%
             |             
            
                12.90
             |           
            
                13.15
             |               
            
                12.30
             |                           
            
                12.40
             | 
            
                12.85
             |                     
            
                6.87
             |                                 
            
                58,830
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2018
             | 
            
                -0.25 / -1.99%
             |             
            
                12.95
             |           
            
                12.95
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.61
             |                     
            
                6.81
             |                                 
            
                98,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2018
             | 
            
                -0.15 / -1.18%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.40
             |                           
            
                12.55
             | 
            
                12.54
             |                     
            
                6.95
             |                                 
            
                99,390
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                12.90
             |           
            
                13.10
             |               
            
                12.40
             |                           
            
                12.70
             | 
            
                12.74
             |                     
            
                7.04
             |                                 
            
                104,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                12.50
             |                           
            
                12.70
             | 
            
                12.63
             |                     
            
                7.04
             |                                 
            
                98,580
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2018
             | 
            
                +0.10 / +0.79%
             |             
            
                12.70
             |           
            
                12.90
             |               
            
                12.40
             |                           
            
                12.70
             | 
            
                12.67
             |                     
            
                7.04
             |                                 
            
                91,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2018
             | 
            
                +0.40 / +3.28%
             |             
            
                12.40
             |           
            
                12.65
             |               
            
                12.25
             |                           
            
                12.60
             | 
            
                12.46
             |                     
            
                6.98
             |                                 
            
                102,860
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2018
             | 
            
                -0.50 / -3.94%
             |             
            
                12.60
             |           
            
                12.70
             |               
            
                12.00
             |                           
            
                12.20
             | 
            
                12.40
             |                     
            
                6.76
             |                                 
            
                70,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2018
             | 
            
                +0.09 / +0.72%
             |             
            
                12.90
             |           
            
                13.00
             |               
            
                12.50
             |                           
            
                12.70
             | 
            
                12.81
             |                     
            
                7.04
             |                                 
            
                63,130
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.20
             |               
            
                12.90
             |                           
            
                13.00
             | 
            
                13.06
             |                     
            
                6.99
             |                                 
            
                105,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2018
             | 
            
                -0.30 / -2.26%
             |             
            
                13.10
             |           
            
                13.25
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.14
             |                     
            
                6.99
             |                                 
            
                102,570
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2018
             | 
            
                +0.10 / +0.76%
             |             
            
                13.10
             |           
            
                13.40
             |               
            
                13.05
             |                           
            
                13.30
             | 
            
                13.21
             |                     
            
                7.15
             |                                 
            
                111,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2018
             | 
            
                -0.75 / -5.38%
             |             
            
                13.50
             |           
            
                13.80
             |               
            
                13.00
             |                           
            
                13.20
             | 
            
                13.41
             |                     
            
                7.09
             |                                 
            
                205,690
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2018
             | 
            
                -0.05 / -0.36%
             |             
            
                13.90
             |           
            
                13.95
             |               
            
                13.60
             |                           
            
                13.95
             | 
            
                13.83
             |                     
            
                7.50
             |                                 
            
                101,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                13.90
             |           
            
                14.15
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                13.99
             |                     
            
                7.52
             |                                 
            
                191,240
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2018
             | 
            
                +0.50 / +3.70%
             |             
            
                13.40
             |           
            
                14.20
             |               
            
                13.40
             |                           
            
                14.00
             | 
            
                13.67
             |                     
            
                7.52
             |                                 
            
                688,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2018
             | 
            
                +0.30 / +2.27%
             |             
            
                13.20
             |           
            
                13.90
             |               
            
                13.20
             |                           
            
                13.50
             | 
            
                13.46
             |                     
            
                7.25
             |                                 
            
                209,320
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                13.20
             |           
            
                13.25
             |               
            
                13.15
             |                           
            
                13.20
             | 
            
                13.19
             |                     
            
                7.09
             |                                 
            
                57,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.25
             |               
            
                13.00
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                7.09
             |                                 
            
                61,880
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2018
             | 
            
                0.00 / 0.00%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                13.10
             |                           
            
                13.20
             | 
            
                13.23
             |                     
            
                7.09
             |                                 
            
                76,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2018
             | 
            
                0.00 / 0.00%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                13.00
             |                           
            
                13.20
             | 
            
                13.22
             |                     
            
                7.09
             |                                 
            
                102,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2018
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                13.45
             |               
            
                13.10
             |                           
            
                13.20
             | 
            
                13.24
             |                     
            
                7.09
             |                                 
            
                85,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2018
             | 
            
                +0.20 / +1.54%
             |             
            
                13.00
             |           
            
                13.30
             |               
            
                12.80
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                7.09
             |                                 
            
                102,830
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2018
             | 
            
                -0.40 / -2.99%
             |             
            
                13.60
             |           
            
                13.70
             |               
            
                12.70
             |                           
            
                13.00
             | 
            
                13.19
             |                     
            
                6.99
             |                                 
            
                72,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                13.60
             |           
            
                13.70
             |               
            
                13.10
             |                           
            
                13.40
             | 
            
                13.45
             |                     
            
                7.20
             |                                 
            
                47,570
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2018
             | 
            
                -0.25 / -1.83%
             |             
            
                13.50
             |           
            
                13.80
             |               
            
                13.20
             |                           
            
                13.40
             | 
            
                13.42
             |                     
            
                7.20
             |                                 
            
                53,420
             |  
            
                 
             |                                                              
             
    
         
    
    
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