| 
                 
                    Closing price on 4/8/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.18 | 
                 
                
                    | High | 
                    4.18 | 
                 
                
                    | Low | 
                    4.00 | 
                     
                
                    | Volume | 
                    18,320 | 
                                 
                
                    | Split-adjusted Price | 
                    3.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/8/2020
             | 
            
                -0.03 / -0.72%
             |             
            
                4.18
             |           
            
                4.18
             |               
            
                4.00
             |                           
            
                4.15
             | 
            
                4.09
             |                     
            
                3.24
             |                                 
            
                18,320
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2020
             | 
            
                +0.20 / +5.03%
             |             
            
                4.10
             |           
            
                4.19
             |               
            
                4.00
             |                           
            
                4.18
             | 
            
                4.08
             |                     
            
                3.27
             |                                 
            
                9,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2020
             | 
            
                -0.07 / -1.73%
             |             
            
                3.94
             |           
            
                4.18
             |               
            
                3.94
             |                           
            
                3.98
             | 
            
                4.05
             |                     
            
                3.11
             |                                 
            
                43,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2020
             | 
            
                +0.08 / +2.02%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                3.95
             |                           
            
                4.05
             | 
            
                4.00
             |                     
            
                3.16
             |                                 
            
                20,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2020
             | 
            
                +0.14 / +3.66%
             |             
            
                3.83
             |           
            
                3.99
             |               
            
                3.81
             |                           
            
                3.97
             | 
            
                3.94
             |                     
            
                3.10
             |                                 
            
                9,890
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2020
             | 
            
                -0.17 / -4.25%
             |             
            
                4.09
             |           
            
                4.09
             |               
            
                3.83
             |                           
            
                3.83
             | 
            
                3.93
             |                     
            
                2.99
             |                                 
            
                7,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2020
             | 
            
                -0.23 / -5.44%
             |             
            
                4.01
             |           
            
                4.20
             |               
            
                3.94
             |                           
            
                4.00
             | 
            
                3.95
             |                     
            
                3.13
             |                                 
            
                111,880
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2020
             | 
            
                +0.03 / +0.71%
             |             
            
                4.20
             |           
            
                4.25
             |               
            
                4.03
             |                           
            
                4.23
             | 
            
                4.15
             |                     
            
                3.31
             |                                 
            
                16,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2020
             | 
            
                -0.08 / -1.87%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.12
             |                           
            
                4.20
             | 
            
                4.28
             |                     
            
                3.28
             |                                 
            
                3,740
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2020
             | 
            
                +0.18 / +4.39%
             |             
            
                4.15
             |           
            
                4.29
             |               
            
                4.15
             |                           
            
                4.28
             | 
            
                4.21
             |                     
            
                3.34
             |                                 
            
                36,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2020
             | 
            
                +0.19 / +4.86%
             |             
            
                3.77
             |           
            
                4.10
             |               
            
                3.77
             |                           
            
                4.10
             | 
            
                3.97
             |                     
            
                3.20
             |                                 
            
                41,780
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2020
             | 
            
                -0.24 / -5.78%
             |             
            
                3.90
             |           
            
                4.15
             |               
            
                3.86
             |                           
            
                3.91
             | 
            
                3.90
             |                     
            
                3.06
             |                                 
            
                105,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2020
             | 
            
                +0.15 / +3.75%
             |             
            
                4.00
             |           
            
                4.19
             |               
            
                3.85
             |                           
            
                4.15
             | 
            
                3.99
             |                     
            
                3.24
             |                                 
            
                87,860
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2020
             | 
            
                -0.30 / -6.98%
             |             
            
                4.10
             |           
            
                4.22
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.03
             |                     
            
                3.13
             |                                 
            
                90,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2020
             | 
            
                +0.02 / +0.47%
             |             
            
                4.28
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.21
             |                     
            
                3.36
             |                                 
            
                17,810
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2020
             | 
            
                +0.18 / +4.39%
             |             
            
                4.10
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.28
             | 
            
                4.07
             |                     
            
                3.34
             |                                 
            
                21,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2020
             | 
            
                -0.15 / -3.53%
             |             
            
                4.10
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.17
             |                     
            
                3.20
             |                                 
            
                47,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2020
             | 
            
                -0.03 / -0.70%
             |             
            
                4.02
             |           
            
                4.25
             |               
            
                4.01
             |                           
            
                4.25
             | 
            
                4.05
             |                     
            
                3.32
             |                                 
            
                53,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2020
             | 
            
                -0.27 / -5.93%
             |             
            
                4.31
             |           
            
                4.54
             |               
            
                4.24
             |                           
            
                4.28
             | 
            
                4.30
             |                     
            
                3.34
             |                                 
            
                69,350
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2020
             | 
            
                -0.18 / -3.81%
             |             
            
                4.97
             |           
            
                4.97
             |               
            
                4.55
             |                           
            
                4.55
             | 
            
                4.74
             |                     
            
                3.56
             |                                 
            
                27,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2020
             | 
            
                -0.35 / -6.89%
             |             
            
                4.73
             |           
            
                4.83
             |               
            
                4.73
             |                           
            
                4.73
             | 
            
                4.77
             |                     
            
                3.70
             |                                 
            
                124,190
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2020
             | 
            
                -0.38 / -6.96%
             |             
            
                5.08
             |           
            
                5.10
             |               
            
                5.08
             |                           
            
                5.08
             | 
            
                5.09
             |                     
            
                3.97
             |                                 
            
                149,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2020
             | 
            
                +0.04 / +0.74%
             |             
            
                5.36
             |           
            
                5.50
             |               
            
                5.21
             |                           
            
                5.46
             | 
            
                5.37
             |                     
            
                4.27
             |                                 
            
                48,420
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2020
             | 
            
                -0.03 / -0.55%
             |             
            
                5.51
             |           
            
                5.51
             |               
            
                5.36
             |                           
            
                5.42
             | 
            
                5.44
             |                     
            
                4.24
             |                                 
            
                37,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2020
             | 
            
                +0.14 / +2.64%
             |             
            
                5.31
             |           
            
                5.60
             |               
            
                5.31
             |                           
            
                5.45
             | 
            
                5.52
             |                     
            
                4.26
             |                                 
            
                60,870
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2020
             | 
            
                -0.11 / -2.03%
             |             
            
                5.42
             |           
            
                5.42
             |               
            
                5.31
             |                           
            
                5.31
             | 
            
                5.40
             |                     
            
                4.15
             |                                 
            
                91,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2020
             | 
            
                -0.18 / -3.21%
             |             
            
                5.43
             |           
            
                5.60
             |               
            
                5.42
             |                           
            
                5.42
             | 
            
                5.48
             |                     
            
                4.24
             |                                 
            
                138,640
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2020
             | 
            
                -0.02 / -0.36%
             |             
            
                5.40
             |           
            
                5.68
             |               
            
                5.40
             |                           
            
                5.60
             | 
            
                5.52
             |                     
            
                4.38
             |                                 
            
                62,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2020
             | 
            
                +0.02 / +0.36%
             |             
            
                5.65
             |           
            
                5.75
             |               
            
                5.52
             |                           
            
                5.62
             | 
            
                5.65
             |                     
            
                4.39
             |                                 
            
                182,930
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2020
             | 
            
                -0.25 / -4.27%
             |             
            
                5.84
             |           
            
                5.85
             |               
            
                5.48
             |                           
            
                5.60
             | 
            
                5.55
             |                     
            
                4.38
             |                                 
            
                42,320
             |  
            
                 
             |                                                              
             
    
         
    
    
 |