| 
                 
                    Closing price on 4/3/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.01 | 
                 
                
                    | High | 
                    6.10 | 
                 
                
                    | Low | 
                    6.01 | 
                     
                
                    | Volume | 
                    13,160 | 
                                 
                
                    | Split-adjusted Price | 
                    4.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/3/2019
             | 
            
                -0.08 / -1.31%
             |             
            
                6.01
             |           
            
                6.10
             |               
            
                6.01
             |                           
            
                6.05
             | 
            
                6.04
             |                     
            
                4.20
             |                                 
            
                13,160
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.15
             |           
            
                6.15
             |               
            
                6.01
             |                           
            
                6.13
             | 
            
                6.07
             |                     
            
                4.26
             |                                 
            
                33,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2019
             | 
            
                -0.01 / -0.16%
             |             
            
                6.06
             |           
            
                6.14
             |               
            
                6.00
             |                           
            
                6.13
             | 
            
                6.02
             |                     
            
                4.26
             |                                 
            
                48,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2019
             | 
            
                +0.06 / +0.99%
             |             
            
                6.06
             |           
            
                6.18
             |               
            
                6.04
             |                           
            
                6.14
             | 
            
                6.08
             |                     
            
                4.26
             |                                 
            
                40,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2019
             | 
            
                -0.17 / -2.72%
             |             
            
                6.20
             |           
            
                6.29
             |               
            
                6.05
             |                           
            
                6.08
             | 
            
                6.10
             |                     
            
                4.22
             |                                 
            
                114,080
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2019
             | 
            
                -0.15 / -2.34%
             |             
            
                6.36
             |           
            
                6.40
             |               
            
                6.21
             |                           
            
                6.25
             | 
            
                6.27
             |                     
            
                4.34
             |                                 
            
                82,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2019
             | 
            
                -0.19 / -2.88%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.53
             |                     
            
                4.44
             |                                 
            
                23,440
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2019
             | 
            
                +0.39 / +6.29%
             |             
            
                6.22
             |           
            
                6.63
             |               
            
                6.20
             |                           
            
                6.59
             | 
            
                6.55
             |                     
            
                4.58
             |                                 
            
                390,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2019
             | 
            
                +0.15 / +2.48%
             |             
            
                6.05
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.06
             |                     
            
                4.30
             |                                 
            
                264,510
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2019
             | 
            
                +0.07 / +1.17%
             |             
            
                5.97
             |           
            
                6.05
             |               
            
                5.97
             |                           
            
                6.05
             | 
            
                6.01
             |                     
            
                4.20
             |                                 
            
                53,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2019
             | 
            
                -0.08 / -1.32%
             |             
            
                6.01
             |           
            
                6.03
             |               
            
                5.98
             |                           
            
                5.98
             | 
            
                6.01
             |                     
            
                4.15
             |                                 
            
                173,660
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2019
             | 
            
                +0.03 / +0.50%
             |             
            
                6.04
             |           
            
                6.06
             |               
            
                6.00
             |                           
            
                6.06
             | 
            
                6.03
             |                     
            
                4.21
             |                                 
            
                55,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2019
             | 
            
                -0.02 / -0.33%
             |             
            
                6.17
             |           
            
                6.17
             |               
            
                6.01
             |                           
            
                6.03
             | 
            
                6.03
             |                     
            
                4.19
             |                                 
            
                74,630
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2019
             | 
            
                +0.01 / +0.17%
             |             
            
                6.02
             |           
            
                6.05
             |               
            
                6.02
             |                           
            
                6.05
             | 
            
                6.04
             |                     
            
                4.20
             |                                 
            
                138,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2019
             | 
            
                -0.02 / -0.33%
             |             
            
                6.05
             |           
            
                6.06
             |               
            
                6.00
             |                           
            
                6.04
             | 
            
                6.06
             |                     
            
                4.19
             |                                 
            
                93,620
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2019
             | 
            
                +0.01 / +0.17%
             |             
            
                6.00
             |           
            
                6.06
             |               
            
                6.00
             |                           
            
                6.06
             | 
            
                6.02
             |                     
            
                4.21
             |                                 
            
                36,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2019
             | 
            
                -0.04 / -0.66%
             |             
            
                6.08
             |           
            
                6.08
             |               
            
                5.97
             |                           
            
                6.05
             | 
            
                6.03
             |                     
            
                4.20
             |                                 
            
                15,750
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2019
             | 
            
                +0.08 / +1.33%
             |             
            
                6.01
             |           
            
                6.09
             |               
            
                5.95
             |                           
            
                6.09
             | 
            
                5.99
             |                     
            
                4.23
             |                                 
            
                20,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2019
             | 
            
                +0.01 / +0.17%
             |             
            
                6.00
             |           
            
                6.11
             |               
            
                5.96
             |                           
            
                6.01
             | 
            
                6.02
             |                     
            
                4.17
             |                                 
            
                136,580
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.96
             |           
            
                6.00
             |               
            
                5.86
             |                           
            
                6.00
             | 
            
                5.92
             |                     
            
                4.17
             |                                 
            
                27,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2019
             | 
            
                -0.01 / -0.17%
             |             
            
                6.01
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                5.96
             |                     
            
                4.17
             |                                 
            
                96,310
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2019
             | 
            
                -0.03 / -0.50%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                5.99
             |                           
            
                6.01
             | 
            
                6.00
             |                     
            
                4.17
             |                                 
            
                109,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2019
             | 
            
                +0.01 / +0.17%
             |             
            
                6.03
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.04
             | 
            
                6.02
             |                     
            
                4.19
             |                                 
            
                34,390
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2019
             | 
            
                -0.16 / -2.58%
             |             
            
                6.00
             |           
            
                6.18
             |               
            
                6.00
             |                           
            
                6.03
             | 
            
                6.09
             |                     
            
                4.19
             |                                 
            
                35,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2019
             | 
            
                +0.14 / +2.31%
             |             
            
                6.29
             |           
            
                6.29
             |               
            
                5.98
             |                           
            
                6.19
             | 
            
                6.00
             |                     
            
                4.30
             |                                 
            
                21,320
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2019
             | 
            
                -0.05 / -0.82%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.05
             |                           
            
                6.05
             | 
            
                6.06
             |                     
            
                4.20
             |                                 
            
                22,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.06
             |           
            
                6.18
             |               
            
                6.06
             |                           
            
                6.10
             | 
            
                6.12
             |                     
            
                4.24
             |                                 
            
                12,580
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2019
             | 
            
                +0.05 / +0.83%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.05
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                4.24
             |                                 
            
                168,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2019
             | 
            
                -0.16 / -2.58%
             |             
            
                6.21
             |           
            
                6.21
             |               
            
                6.05
             |                           
            
                6.05
             | 
            
                6.09
             |                     
            
                4.20
             |                                 
            
                117,050
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2019
             | 
            
                +0.01 / +0.16%
             |             
            
                6.25
             |           
            
                6.25
             |               
            
                6.15
             |                           
            
                6.21
             | 
            
                6.19
             |                     
            
                4.31
             |                                 
            
                33,580
             |  
            
                 
             |                                                              
             
    
         
    
    
 |