| 
                 
                    Closing price on 7/25/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.90 | 
                 
                
                    | High | 
                    7.90 | 
                 
                
                    | Low | 
                    7.80 | 
                     
                
                    | Volume | 
                    3,370 | 
                                 
                
                    | Split-adjusted Price | 
                    5.18 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.85
             |                     
            
                5.18
             |                                 
            
                3,370
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2019
             | 
            
                -0.15 / -1.89%
             |             
            
                7.95
             |           
            
                7.95
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.81
             |                     
            
                5.18
             |                                 
            
                10,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.95
             |           
            
                7.95
             |               
            
                7.95
             |                           
            
                7.95
             | 
            
                7.95
             |                     
            
                5.28
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2019
             | 
            
                +0.05 / +0.63%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.81
             |                           
            
                7.95
             | 
            
                7.95
             |                     
            
                5.28
             |                                 
            
                5,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2019
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.95
             |                     
            
                5.24
             |                                 
            
                2,310
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2019
             | 
            
                -0.05 / -0.62%
             |             
            
                8.05
             |           
            
                8.05
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                7.97
             |                     
            
                5.31
             |                                 
            
                14,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2019
             | 
            
                +0.05 / +0.63%
             |             
            
                8.00
             |           
            
                8.05
             |               
            
                7.90
             |                           
            
                8.05
             | 
            
                7.98
             |                     
            
                5.34
             |                                 
            
                14,160
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.09
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.04
             |                     
            
                5.31
             |                                 
            
                10,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.86
             |           
            
                8.00
             |               
            
                7.86
             |                           
            
                8.00
             | 
            
                7.93
             |                     
            
                5.31
             |                                 
            
                4,870
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2019
             | 
            
                -0.05 / -0.62%
             |             
            
                8.09
             |           
            
                8.09
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.05
             |                     
            
                5.31
             |                                 
            
                5,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2019
             | 
            
                +0.05 / +0.63%
             |             
            
                8.08
             |           
            
                8.08
             |               
            
                8.00
             |                           
            
                8.05
             | 
            
                8.05
             |                     
            
                5.34
             |                                 
            
                3,180
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2019
             | 
            
                -0.08 / -0.99%
             |             
            
                8.09
             |           
            
                8.09
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.03
             |                     
            
                5.31
             |                                 
            
                4,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                7.82
             |           
            
                8.08
             |               
            
                7.82
             |                           
            
                8.08
             | 
            
                7.95
             |                     
            
                5.36
             |                                 
            
                1,230
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2019
             | 
            
                +0.18 / +2.28%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.85
             |                           
            
                8.08
             | 
            
                8.03
             |                     
            
                5.36
             |                                 
            
                9,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2019
             | 
            
                -0.05 / -0.63%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.91
             |                     
            
                5.24
             |                                 
            
                16,940
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2019
             | 
            
                -0.05 / -0.63%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.95
             |                           
            
                7.95
             | 
            
                7.99
             |                     
            
                5.28
             |                                 
            
                19,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.02
             |                     
            
                5.31
             |                                 
            
                25,690
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2019
             | 
            
                -0.36 / -4.31%
             |             
            
                8.36
             |           
            
                8.36
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.05
             |                     
            
                5.31
             |                                 
            
                10,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2019
             | 
            
                +0.02 / +0.24%
             |             
            
                8.14
             |           
            
                8.39
             |               
            
                8.14
             |                           
            
                8.36
             | 
            
                8.27
             |                     
            
                5.55
             |                                 
            
                3,990
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2019
             | 
            
                +0.09 / +1.09%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.22
             |                           
            
                8.34
             | 
            
                8.34
             |                     
            
                5.54
             |                                 
            
                12,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2019
             | 
            
                -0.16 / -1.90%
             |             
            
                8.22
             |           
            
                8.40
             |               
            
                8.22
             |                           
            
                8.25
             | 
            
                8.28
             |                     
            
                5.48
             |                                 
            
                10,870
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2019
             | 
            
                -0.01 / -0.12%
             |             
            
                8.22
             |           
            
                8.41
             |               
            
                8.22
             |                           
            
                8.41
             | 
            
                8.29
             |                     
            
                5.58
             |                                 
            
                162,224
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2019
             | 
            
                -0.04 / -0.47%
             |             
            
                8.46
             |           
            
                8.46
             |               
            
                8.30
             |                           
            
                8.42
             | 
            
                8.41
             |                     
            
                5.59
             |                                 
            
                730
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2019
             | 
            
                -0.02 / -0.24%
             |             
            
                8.49
             |           
            
                8.49
             |               
            
                8.40
             |                           
            
                8.46
             | 
            
                8.46
             |                     
            
                5.62
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2019
             | 
            
                +0.18 / +2.17%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.48
             | 
            
                8.23
             |                     
            
                5.63
             |                                 
            
                9,230
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2019
             | 
            
                -0.15 / -1.78%
             |             
            
                8.45
             |           
            
                8.45
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.38
             |                     
            
                5.51
             |                                 
            
                10,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2019
             | 
            
                -0.49 / -5.48%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.30
             |                           
            
                8.45
             | 
            
                8.41
             |                     
            
                5.61
             |                                 
            
                43,970
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                8.95
             |           
            
                9.00
             |               
            
                8.86
             |                           
            
                8.94
             | 
            
                8.94
             |                     
            
                5.39
             |                                 
            
                3,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2019
             | 
            
                +0.05 / +0.56%
             |             
            
                8.89
             |           
            
                8.95
             |               
            
                8.88
             |                           
            
                8.94
             | 
            
                8.92
             |                     
            
                5.39
             |                                 
            
                21,640
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2019
             | 
            
                +0.09 / +1.02%
             |             
            
                8.80
             |           
            
                8.89
             |               
            
                8.80
             |                           
            
                8.89
             | 
            
                8.85
             |                     
            
                5.36
             |                                 
            
                2,280
             |  
            
                 
             |                                                              
             
    
         
    
    
 |