| 
                 
                    Closing price on 2/23/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.65 | 
                 
                
                    | High | 
                    15.65 | 
                 
                
                    | Low | 
                    14.60 | 
                     
                
                    | Volume | 
                    36,200 | 
                                 
                
                    | Split-adjusted Price | 
                    7.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
BSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/23/2018
             | 
            
                -0.60 / -3.92%
             |             
            
                15.65
             |           
            
                15.65
             |               
            
                14.60
             |                           
            
                14.70
             | 
            
                14.75
             |                     
            
                7.90
             |                                 
            
                36,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2018
             | 
            
                -0.40 / -2.55%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.10
             |                           
            
                15.30
             | 
            
                15.23
             |                     
            
                8.22
             |                                 
            
                16,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2018
             | 
            
                +0.35 / +2.28%
             |             
            
                14.30
             |           
            
                15.90
             |               
            
                14.30
             |                           
            
                15.70
             | 
            
                14.60
             |                     
            
                8.44
             |                                 
            
                148,920
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2018
             | 
            
                -1.15 / -6.97%
             |             
            
                15.35
             |           
            
                15.35
             |               
            
                15.35
             |                           
            
                15.35
             | 
            
                15.35
             |                     
            
                8.25
             |                                 
            
                218,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2018
             | 
            
                +0.60 / +3.77%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                15.90
             |                           
            
                16.50
             | 
            
                16.55
             |                     
            
                8.87
             |                                 
            
                5,290
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2018
             | 
            
                -0.10 / -0.63%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                14.90
             |                           
            
                15.90
             | 
            
                15.09
             |                     
            
                8.54
             |                                 
            
                20,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2018
             | 
            
                +1.00 / +6.67%
             |             
            
                15.00
             |           
            
                16.05
             |               
            
                14.70
             |                           
            
                16.00
             | 
            
                15.91
             |                     
            
                8.60
             |                                 
            
                54,630
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2018
             | 
            
                +0.60 / +4.17%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                14.60
             |                           
            
                15.00
             | 
            
                14.89
             |                     
            
                8.06
             |                                 
            
                37,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2018
             | 
            
                -0.60 / -4.00%
             |             
            
                13.95
             |           
            
                14.50
             |               
            
                13.95
             |                           
            
                14.40
             | 
            
                14.01
             |                     
            
                7.74
             |                                 
            
                59,330
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2018
             | 
            
                -0.80 / -5.06%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.19
             |                     
            
                8.06
             |                                 
            
                12,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2018
             | 
            
                -0.90 / -5.39%
             |             
            
                15.75
             |           
            
                16.70
             |               
            
                15.75
             |                           
            
                15.80
             | 
            
                16.00
             |                     
            
                8.49
             |                                 
            
                650
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2018
             | 
            
                -0.10 / -0.60%
             |             
            
                16.70
             |           
            
                16.70
             |               
            
                15.65
             |                           
            
                16.70
             | 
            
                15.87
             |                     
            
                8.97
             |                                 
            
                17,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2018
             | 
            
                -0.20 / -1.18%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.40
             |                           
            
                16.80
             | 
            
                16.50
             |                     
            
                9.03
             |                                 
            
                36,430
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2018
             | 
            
                -0.30 / -1.73%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.15
             |                     
            
                9.14
             |                                 
            
                10,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2018
             | 
            
                +0.30 / +1.76%
             |             
            
                17.50
             |           
            
                17.60
             |               
            
                17.00
             |                           
            
                17.30
             | 
            
                17.09
             |                     
            
                9.30
             |                                 
            
                388,040
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2018
             | 
            
                -0.50 / -2.86%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                16.80
             |                           
            
                17.00
             | 
            
                17.01
             |                     
            
                9.14
             |                                 
            
                35,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2018
             | 
            
                +0.60 / +3.55%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                17.00
             |                           
            
                17.50
             | 
            
                17.16
             |                     
            
                9.40
             |                                 
            
                110,580
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2018
             | 
            
                +0.90 / +5.63%
             |             
            
                16.00
             |           
            
                17.10
             |               
            
                15.80
             |                           
            
                16.90
             | 
            
                16.41
             |                     
            
                9.08
             |                                 
            
                244,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2018
             | 
            
                +1.00 / +6.67%
             |             
            
                15.40
             |           
            
                16.00
             |               
            
                14.50
             |                           
            
                16.00
             | 
            
                15.38
             |                     
            
                8.60
             |                                 
            
                119,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                14.70
             |           
            
                15.50
             |               
            
                14.20
             |                           
            
                15.00
             | 
            
                14.94
             |                     
            
                8.06
             |                                 
            
                27,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2018
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.30
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.07
             |                     
            
                8.06
             |                                 
            
                49,450
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2018
             | 
            
                -0.60 / -3.85%
             |             
            
                15.20
             |           
            
                15.80
             |               
            
                14.55
             |                           
            
                15.00
             | 
            
                15.28
             |                     
            
                8.06
             |                                 
            
                32,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2018
             | 
            
                -0.30 / -1.89%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.50
             |                           
            
                15.60
             | 
            
                15.63
             |                     
            
                8.38
             |                                 
            
                13,440
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2018
             | 
            
                -0.10 / -0.63%
             |             
            
                15.50
             |           
            
                16.10
             |               
            
                15.50
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                8.54
             |                                 
            
                79,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2018
             | 
            
                0.00 / 0.00%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                15.50
             |                           
            
                16.00
             | 
            
                15.86
             |                     
            
                8.60
             |                                 
            
                101,410
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2018
             | 
            
                +0.10 / +0.63%
             |             
            
                15.90
             |           
            
                16.45
             |               
            
                15.80
             |                           
            
                16.00
             | 
            
                15.92
             |                     
            
                8.60
             |                                 
            
                75,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2018
             | 
            
                +0.90 / +6.00%
             |             
            
                15.00
             |           
            
                16.00
             |               
            
                14.70
             |                           
            
                15.90
             | 
            
                15.42
             |                     
            
                8.54
             |                                 
            
                115,990
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2018
             | 
            
                +0.20 / +1.35%
             |             
            
                14.80
             |           
            
                15.45
             |               
            
                14.60
             |                           
            
                15.00
             | 
            
                14.96
             |                     
            
                8.06
             |                                 
            
                95,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2018
             | 
            
                -0.40 / -2.63%
             |             
            
                15.00
             |           
            
                15.20
             |               
            
                14.70
             |                           
            
                14.80
             | 
            
                14.91
             |                     
            
                7.95
             |                                 
            
                25,490
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2018
             | 
            
                +0.10 / +0.66%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                14.30
             |                           
            
                15.20
             | 
            
                14.92
             |                     
            
                8.17
             |                                 
            
                239,120
             |  
            
                 
             |                                                              
             
    
         
    
    
 |