| 
                 
                    Closing price on 12/3/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.00 | 
                 
                
                    | High | 
                    7.00 | 
                 
                
                    | Low | 
                    6.90 | 
                     
                
                    | Volume | 
                    20,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.58 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.71
             |                           
            
                6.80
             | 
            
                6.78
             |                     
            
                4.51
             |                                 
            
                10,030
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2019
             | 
            
                +0.01 / +0.15%
             |             
            
                6.62
             |           
            
                6.83
             |               
            
                6.62
             |                           
            
                6.80
             | 
            
                6.73
             |                     
            
                4.51
             |                                 
            
                2,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2019
             | 
            
                -0.07 / -1.02%
             |             
            
                6.85
             |           
            
                6.85
             |               
            
                6.75
             |                           
            
                6.79
             | 
            
                6.80
             |                     
            
                4.51
             |                                 
            
                13,530
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.86
             |           
            
                6.86
             |               
            
                6.86
             |                           
            
                6.86
             | 
            
                6.86
             |                     
            
                4.55
             |                                 
            
                5,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2019
             | 
            
                +0.15 / +2.24%
             |             
            
                6.88
             |           
            
                6.88
             |               
            
                6.60
             |                           
            
                6.86
             | 
            
                6.68
             |                     
            
                4.55
             |                                 
            
                27,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2019
             | 
            
                -0.02 / -0.30%
             |             
            
                6.88
             |           
            
                6.88
             |               
            
                6.67
             |                           
            
                6.71
             | 
            
                6.73
             |                     
            
                4.45
             |                                 
            
                9,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2019
             | 
            
                -0.12 / -1.75%
             |             
            
                6.80
             |           
            
                6.89
             |               
            
                6.73
             |                           
            
                6.73
             | 
            
                6.79
             |                     
            
                4.47
             |                                 
            
                5,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2019
             | 
            
                +0.12 / +1.78%
             |             
            
                6.94
             |           
            
                6.94
             |               
            
                6.75
             |                           
            
                6.85
             | 
            
                6.92
             |                     
            
                4.55
             |                                 
            
                5,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2019
             | 
            
                -0.17 / -2.46%
             |             
            
                6.72
             |           
            
                6.90
             |               
            
                6.72
             |                           
            
                6.73
             | 
            
                6.77
             |                     
            
                4.47
             |                                 
            
                11,310
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.94
             |           
            
                6.94
             |               
            
                6.76
             |                           
            
                6.90
             | 
            
                6.91
             |                     
            
                4.58
             |                                 
            
                2,460
             |  
            
                 
             |                                                              
             
    
         
    
    
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