| 
                 
                    Closing price on 3/19/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.04 | 
                 
                
                    | High | 
                    6.06 | 
                 
                
                    | Low | 
                    6.00 | 
                     
                
                    | Volume | 
                    55,250 | 
                                 
                
                    | Split-adjusted Price | 
                    4.21 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2019
             | 
            
                -0.13 / -2.05%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.15
             |                           
            
                6.20
             | 
            
                6.19
             |                     
            
                4.30
             |                                 
            
                74,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2019
             | 
            
                -0.06 / -0.94%
             |             
            
                6.33
             |           
            
                6.39
             |               
            
                6.20
             |                           
            
                6.33
             | 
            
                6.32
             |                     
            
                4.40
             |                                 
            
                57,940
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2019
             | 
            
                -0.07 / -1.08%
             |             
            
                6.46
             |           
            
                6.54
             |               
            
                6.30
             |                           
            
                6.39
             | 
            
                6.42
             |                     
            
                4.44
             |                                 
            
                133,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.46
             |               
            
                6.40
             |                           
            
                6.46
             | 
            
                6.43
             |                     
            
                4.49
             |                                 
            
                1,290
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2019
             | 
            
                -0.01 / -0.15%
             |             
            
                6.48
             |           
            
                6.48
             |               
            
                6.36
             |                           
            
                6.46
             | 
            
                6.40
             |                     
            
                4.49
             |                                 
            
                27,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2019
             | 
            
                -0.01 / -0.15%
             |             
            
                6.34
             |           
            
                6.49
             |               
            
                6.34
             |                           
            
                6.47
             | 
            
                6.45
             |                     
            
                4.49
             |                                 
            
                3,720
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2019
             | 
            
                -0.11 / -1.67%
             |             
            
                6.37
             |           
            
                6.58
             |               
            
                6.36
             |                           
            
                6.48
             | 
            
                6.38
             |                     
            
                4.50
             |                                 
            
                26,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2019
             | 
            
                +0.11 / +1.70%
             |             
            
                6.52
             |           
            
                6.69
             |               
            
                6.30
             |                           
            
                6.59
             | 
            
                6.36
             |                     
            
                4.58
             |                                 
            
                12,890
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2019
             | 
            
                +0.01 / +0.15%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.48
             | 
            
                6.45
             |                     
            
                4.50
             |                                 
            
                5,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2019
             | 
            
                -0.02 / -0.31%
             |             
            
                6.49
             |           
            
                6.49
             |               
            
                6.40
             |                           
            
                6.47
             | 
            
                6.43
             |                     
            
                4.49
             |                                 
            
                14,630
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2019
             | 
            
                +0.17 / +2.69%
             |             
            
                6.32
             |           
            
                6.49
             |               
            
                6.32
             |                           
            
                6.49
             | 
            
                6.43
             |                     
            
                4.51
             |                                 
            
                9,020
             |  
            
                 
             |                                                              
             
    
         
    
    
 |