| 
                 
                    Closing price on 6/28/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.32 | 
                 
                
                    | High | 
                    5.38 | 
                 
                
                    | Low | 
                    5.30 | 
                     
                
                    | Volume | 
                    35,860 | 
                                 
                
                    | Split-adjusted Price | 
                    4.19 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/28/2019
             | 
            
                -0.03 / -0.56%
             |             
            
                5.32
             |           
            
                5.38
             |               
            
                5.30
             |                           
            
                5.36
             | 
            
                5.33
             |                     
            
                4.19
             |                                 
            
                35,860
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2019
             | 
            
                +0.04 / +0.75%
             |             
            
                5.35
             |           
            
                5.39
             |               
            
                5.30
             |                           
            
                5.39
             | 
            
                5.32
             |                     
            
                4.21
             |                                 
            
                20,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.35
             |           
            
                5.35
             |               
            
                5.28
             |                           
            
                5.35
             | 
            
                5.28
             |                     
            
                4.18
             |                                 
            
                17,410
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2019
             | 
            
                -0.18 / -3.25%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.35
             |                           
            
                5.35
             | 
            
                5.38
             |                     
            
                4.18
             |                                 
            
                18,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.43
             |           
            
                5.53
             |               
            
                5.25
             |                           
            
                5.53
             | 
            
                5.32
             |                     
            
                4.32
             |                                 
            
                41,910
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2019
             | 
            
                +0.03 / +0.55%
             |             
            
                5.54
             |           
            
                5.55
             |               
            
                5.53
             |                           
            
                5.53
             | 
            
                5.54
             |                     
            
                4.32
             |                                 
            
                1,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2019
             | 
            
                -0.08 / -1.43%
             |             
            
                5.59
             |           
            
                5.59
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.48
             |                     
            
                4.30
             |                                 
            
                20,970
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2019
             | 
            
                +0.18 / +3.33%
             |             
            
                5.50
             |           
            
                5.63
             |               
            
                5.50
             |                           
            
                5.58
             | 
            
                5.55
             |                     
            
                4.36
             |                                 
            
                478,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2019
             | 
            
                +0.01 / +0.19%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.33
             |                           
            
                5.40
             | 
            
                5.38
             |                     
            
                4.22
             |                                 
            
                710
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2019
             | 
            
                +0.07 / +1.32%
             |             
            
                5.32
             |           
            
                5.65
             |               
            
                5.32
             |                           
            
                5.39
             | 
            
                5.37
             |                     
            
                4.21
             |                                 
            
                58,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2019
             | 
            
                -0.04 / -0.75%
             |             
            
                5.30
             |           
            
                5.38
             |               
            
                5.30
             |                           
            
                5.32
             | 
            
                5.34
             |                     
            
                4.16
             |                                 
            
                18,740
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2019
             | 
            
                -0.04 / -0.74%
             |             
            
                5.36
             |           
            
                5.36
             |               
            
                5.30
             |                           
            
                5.36
             | 
            
                5.31
             |                     
            
                4.19
             |                                 
            
                29,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.36
             |           
            
                5.40
             |               
            
                5.34
             |                           
            
                5.40
             | 
            
                5.35
             |                     
            
                4.22
             |                                 
            
                23,740
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2019
             | 
            
                -0.19 / -3.40%
             |             
            
                5.55
             |           
            
                5.56
             |               
            
                5.36
             |                           
            
                5.40
             | 
            
                5.42
             |                     
            
                4.22
             |                                 
            
                19,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2019
             | 
            
                +0.23 / +4.29%
             |             
            
                5.38
             |           
            
                5.64
             |               
            
                5.32
             |                           
            
                5.59
             | 
            
                5.36
             |                     
            
                4.37
             |                                 
            
                91,570
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2019
             | 
            
                +0.01 / +0.19%
             |             
            
                5.40
             |           
            
                5.45
             |               
            
                5.36
             |                           
            
                5.36
             | 
            
                5.39
             |                     
            
                4.19
             |                                 
            
                58,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2019
             | 
            
                -0.05 / -0.93%
             |             
            
                5.30
             |           
            
                5.44
             |               
            
                5.23
             |                           
            
                5.35
             | 
            
                5.33
             |                     
            
                4.18
             |                                 
            
                4,410
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.45
             |           
            
                5.45
             |               
            
                5.35
             |                           
            
                5.40
             | 
            
                5.35
             |                     
            
                4.22
             |                                 
            
                12,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2019
             | 
            
                +0.05 / +0.93%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.19
             |                           
            
                5.40
             | 
            
                5.25
             |                     
            
                4.22
             |                                 
            
                31,410
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2019
             | 
            
                -0.10 / -1.83%
             |             
            
                5.45
             |           
            
                5.49
             |               
            
                5.30
             |                           
            
                5.35
             | 
            
                5.37
             |                     
            
                4.18
             |                                 
            
                9,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2019
             | 
            
                -0.20 / -3.54%
             |             
            
                5.62
             |           
            
                5.65
             |               
            
                5.44
             |                           
            
                5.45
             | 
            
                5.52
             |                     
            
                4.26
             |                                 
            
                41,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.65
             |                           
            
                5.65
             | 
            
                5.69
             |                     
            
                4.42
             |                                 
            
                6,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2019
             | 
            
                -0.63 / -10.03%
             |             
            
                5.97
             |           
            
                5.97
             |               
            
                5.60
             |                           
            
                5.65
             | 
            
                5.68
             |                     
            
                4.42
             |                                 
            
                71,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2019
             | 
            
                +0.08 / +1.29%
             |             
            
                6.22
             |           
            
                6.28
             |               
            
                6.19
             |                           
            
                6.28
             | 
            
                6.22
             |                     
            
                4.36
             |                                 
            
                147,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2019
             | 
            
                +0.05 / +0.81%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.17
             |                           
            
                6.20
             | 
            
                6.19
             |                     
            
                4.30
             |                                 
            
                43,920
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2019
             | 
            
                -0.04 / -0.65%
             |             
            
                6.10
             |           
            
                6.18
             |               
            
                6.10
             |                           
            
                6.15
             | 
            
                6.13
             |                     
            
                4.27
             |                                 
            
                3,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2019
             | 
            
                -0.03 / -0.48%
             |             
            
                6.11
             |           
            
                6.19
             |               
            
                6.05
             |                           
            
                6.19
             | 
            
                6.13
             |                     
            
                4.30
             |                                 
            
                2,610
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2019
             | 
            
                +0.12 / +1.97%
             |             
            
                6.25
             |           
            
                6.25
             |               
            
                6.15
             |                           
            
                6.22
             | 
            
                6.22
             |                     
            
                4.32
             |                                 
            
                27,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2019
             | 
            
                -0.08 / -1.29%
             |             
            
                6.18
             |           
            
                6.18
             |               
            
                6.03
             |                           
            
                6.10
             | 
            
                6.15
             |                     
            
                4.24
             |                                 
            
                17,730
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.19
             |           
            
                6.24
             |               
            
                6.12
             |                           
            
                6.18
             | 
            
                6.15
             |                     
            
                4.29
             |                                 
            
                41,170
             |  
            
                 
             |                                                              
             
    
         
    
    
 |