| 
                 
                    Closing price on 12/17/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.11 | 
                 
                
                    | High | 
                    8.11 | 
                 
                
                    | Low | 
                    7.90 | 
                     
                
                    | Volume | 
                    78,410 | 
                                 
                
                    | Split-adjusted Price | 
                    5.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/17/2019
             | 
            
                -0.21 / -2.59%
             |             
            
                8.11
             |           
            
                8.11
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.98
             |                     
            
                5.24
             |                                 
            
                78,410
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2019
             | 
            
                -0.06 / -0.73%
             |             
            
                7.90
             |           
            
                8.15
             |               
            
                7.90
             |                           
            
                8.11
             | 
            
                7.99
             |                     
            
                5.38
             |                                 
            
                38,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2019
             | 
            
                +0.21 / +2.64%
             |             
            
                8.00
             |           
            
                8.19
             |               
            
                7.96
             |                           
            
                8.17
             | 
            
                8.04
             |                     
            
                5.42
             |                                 
            
                55,120
             |            
            
                 
             |                                       
         
    
        
            | 
                12/12/2019
             | 
            
                +0.46 / +6.13%
             |             
            
                7.60
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                7.96
             | 
            
                7.93
             |                     
            
                5.28
             |                                 
            
                84,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2019
             | 
            
                +0.25 / +3.45%
             |             
            
                7.35
             |           
            
                7.55
             |               
            
                7.25
             |                           
            
                7.50
             | 
            
                7.41
             |                     
            
                4.98
             |                                 
            
                143,770
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2019
             | 
            
                +0.05 / +0.69%
             |             
            
                7.30
             |           
            
                7.35
             |               
            
                7.20
             |                           
            
                7.25
             | 
            
                7.26
             |                     
            
                4.81
             |                                 
            
                171,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2019
             | 
            
                +0.12 / +1.69%
             |             
            
                7.07
             |           
            
                7.20
             |               
            
                7.07
             |                           
            
                7.20
             | 
            
                7.16
             |                     
            
                4.78
             |                                 
            
                39,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2019
             | 
            
                +0.03 / +0.43%
             |             
            
                7.05
             |           
            
                7.08
             |               
            
                7.05
             |                           
            
                7.08
             | 
            
                7.05
             |                     
            
                4.70
             |                                 
            
                25,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2019
             | 
            
                -0.05 / -0.70%
             |             
            
                7.10
             |           
            
                7.15
             |               
            
                7.03
             |                           
            
                7.05
             | 
            
                7.07
             |                     
            
                4.68
             |                                 
            
                22,620
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2019
             | 
            
                +0.20 / +2.90%
             |             
            
                6.82
             |           
            
                7.10
             |               
            
                6.82
             |                           
            
                7.10
             | 
            
                6.95
             |                     
            
                4.71
             |                                 
            
                41,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2019
             | 
            
                -0.10 / -1.43%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.96
             |                     
            
                4.58
             |                                 
            
                20,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                4.65
             |                                 
            
                870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2019
             | 
            
                +0.02 / +0.29%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                4.65
             |                                 
            
                1,880
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2019
             | 
            
                -0.01 / -0.14%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.98
             |                           
            
                6.98
             | 
            
                7.04
             |                     
            
                4.63
             |                                 
            
                5,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2019
             | 
            
                +0.01 / +0.14%
             |             
            
                6.80
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                6.99
             | 
            
                6.90
             |                     
            
                4.64
             |                                 
            
                13,970
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.98
             |           
            
                6.98
             |               
            
                6.80
             |                           
            
                6.98
             | 
            
                6.92
             |                     
            
                4.63
             |                                 
            
                10,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2019
             | 
            
                -0.02 / -0.29%
             |             
            
                7.01
             |           
            
                7.01
             |               
            
                6.98
             |                           
            
                6.98
             | 
            
                7.00
             |                     
            
                4.63
             |                                 
            
                5,490
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.14
             |           
            
                7.14
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.07
             |                     
            
                4.65
             |                                 
            
                14,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.15
             |           
            
                7.15
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                4.65
             |                                 
            
                2,570
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.98
             |           
            
                7.06
             |               
            
                6.98
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                4.65
             |                                 
            
                13,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2019
             | 
            
                -0.10 / -1.41%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                4.65
             |                                 
            
                560
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.15
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.06
             |                     
            
                4.71
             |                                 
            
                19,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2019
             | 
            
                +0.01 / +0.14%
             |             
            
                7.09
             |           
            
                7.15
             |               
            
                7.09
             |                           
            
                7.10
             | 
            
                7.11
             |                     
            
                4.71
             |                                 
            
                11,680
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2019
             | 
            
                +0.14 / +2.01%
             |             
            
                6.95
             |           
            
                7.09
             |               
            
                6.95
             |                           
            
                7.09
             | 
            
                7.05
             |                     
            
                4.71
             |                                 
            
                23,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2019
             | 
            
                +0.06 / +0.87%
             |             
            
                6.90
             |           
            
                6.95
             |               
            
                6.87
             |                           
            
                6.95
             | 
            
                6.88
             |                     
            
                4.61
             |                                 
            
                24,550
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2019
             | 
            
                -0.01 / -0.14%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.85
             |                           
            
                6.89
             | 
            
                6.87
             |                     
            
                4.57
             |                                 
            
                13,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2019
             | 
            
                -0.05 / -0.72%
             |             
            
                6.95
             |           
            
                6.95
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.93
             |                     
            
                4.58
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2019
             | 
            
                +0.10 / +1.46%
             |             
            
                6.85
             |           
            
                7.00
             |               
            
                6.85
             |                           
            
                6.95
             | 
            
                6.91
             |                     
            
                4.61
             |                                 
            
                45,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2019
             | 
            
                -0.02 / -0.29%
             |             
            
                6.70
             |           
            
                6.87
             |               
            
                6.70
             |                           
            
                6.85
             | 
            
                6.75
             |                     
            
                4.55
             |                                 
            
                7,410
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2019
             | 
            
                +0.07 / +1.03%
             |             
            
                6.89
             |           
            
                6.89
             |               
            
                6.80
             |                           
            
                6.87
             | 
            
                6.86
             |                     
            
                4.56
             |                                 
            
                4,050
             |  
            
                 
             |                                                              
             
    
         
    
    
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