| 
                 
                    Closing price on 2/13/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.34 | 
                 
                
                    | High | 
                    6.49 | 
                 
                
                    | Low | 
                    6.34 | 
                     
                
                    | Volume | 
                    3,720 | 
                                 
                
                    | Split-adjusted Price | 
                    4.49 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
LSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2019
             | 
            
                +0.01 / +0.16%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.32
             |                           
            
                6.32
             | 
            
                6.39
             |                     
            
                4.39
             |                                 
            
                18,310
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2019
             | 
            
                -0.18 / -2.77%
             |             
            
                6.49
             |           
            
                6.49
             |               
            
                6.26
             |                           
            
                6.31
             | 
            
                6.30
             |                     
            
                4.38
             |                                 
            
                17,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2019
             | 
            
                -0.01 / -0.15%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.49
             | 
            
                6.39
             |                     
            
                4.51
             |                                 
            
                4,070
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2019
             | 
            
                +0.10 / +1.56%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.41
             |                           
            
                6.50
             | 
            
                6.43
             |                     
            
                4.51
             |                                 
            
                13,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2019
             | 
            
                -0.10 / -1.54%
             |             
            
                6.49
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.49
             |                     
            
                4.44
             |                                 
            
                22,790
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2019
             | 
            
                -0.03 / -0.46%
             |             
            
                6.50
             |           
            
                6.55
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.51
             |                     
            
                4.51
             |                                 
            
                2,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2019
             | 
            
                +0.12 / +1.87%
             |             
            
                6.55
             |           
            
                6.57
             |               
            
                6.41
             |                           
            
                6.53
             | 
            
                6.48
             |                     
            
                4.53
             |                                 
            
                38,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2019
             | 
            
                -0.17 / -2.58%
             |             
            
                6.41
             |           
            
                6.57
             |               
            
                6.33
             |                           
            
                6.41
             | 
            
                6.41
             |                     
            
                4.45
             |                                 
            
                12,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.58
             |               
            
                6.40
             |                           
            
                6.58
             | 
            
                6.49
             |                     
            
                4.57
             |                                 
            
                5,560
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2019
             | 
            
                +0.03 / +0.46%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.45
             |                           
            
                6.58
             | 
            
                6.56
             |                     
            
                4.57
             |                                 
            
                46,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2019
             | 
            
                +0.01 / +0.15%
             |             
            
                6.40
             |           
            
                6.55
             |               
            
                6.40
             |                           
            
                6.55
             | 
            
                6.49
             |                     
            
                4.55
             |                                 
            
                11,710
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2019
             | 
            
                -0.01 / -0.15%
             |             
            
                6.50
             |           
            
                6.57
             |               
            
                6.39
             |                           
            
                6.54
             | 
            
                6.55
             |                     
            
                4.54
             |                                 
            
                73,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2019
             | 
            
                +0.23 / +3.64%
             |             
            
                6.32
             |           
            
                6.57
             |               
            
                6.32
             |                           
            
                6.55
             | 
            
                6.45
             |                     
            
                4.55
             |                                 
            
                44,310
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2019
             | 
            
                -0.18 / -2.77%
             |             
            
                6.63
             |           
            
                6.63
             |               
            
                6.30
             |                           
            
                6.32
             | 
            
                6.39
             |                     
            
                4.39
             |                                 
            
                12,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2019
             | 
            
                +0.18 / +2.85%
             |             
            
                6.32
             |           
            
                6.57
             |               
            
                6.32
             |                           
            
                6.50
             | 
            
                6.38
             |                     
            
                4.51
             |                                 
            
                21,940
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2019
             | 
            
                -0.38 / -5.67%
             |             
            
                6.40
             |           
            
                6.89
             |               
            
                6.32
             |                           
            
                6.32
             | 
            
                6.38
             |                     
            
                4.39
             |                                 
            
                41,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2019
             | 
            
                +0.14 / +2.13%
             |             
            
                6.89
             |           
            
                6.89
             |               
            
                6.39
             |                           
            
                6.70
             | 
            
                6.66
             |                     
            
                4.65
             |                                 
            
                35,140
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2019
             | 
            
                +0.04 / +0.61%
             |             
            
                6.35
             |           
            
                6.57
             |               
            
                6.35
             |                           
            
                6.56
             | 
            
                6.42
             |                     
            
                4.55
             |                                 
            
                4,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                6.69
             |           
            
                6.69
             |               
            
                6.52
             |                           
            
                6.52
             | 
            
                6.65
             |                     
            
                4.53
             |                                 
            
                21,820
             |            
            
                 
             |                                       
         
    
        
            | 
                1/2/2019
             | 
            
                -0.26 / -3.83%
             |             
            
                6.75
             |           
            
                6.77
             |               
            
                6.52
             |                           
            
                6.52
             | 
            
                6.64
             |                     
            
                4.53
             |                                 
            
                11,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.78
             |               
            
                6.60
             |                           
            
                6.78
             | 
            
                6.75
             |                     
            
                4.71
             |                                 
            
                29,040
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2018
             | 
            
                +0.13 / +1.95%
             |             
            
                6.41
             |           
            
                6.78
             |               
            
                6.40
             |                           
            
                6.78
             | 
            
                6.56
             |                     
            
                4.71
             |                                 
            
                29,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2018
             | 
            
                -0.05 / -0.75%
             |             
            
                6.78
             |           
            
                6.78
             |               
            
                6.40
             |                           
            
                6.65
             | 
            
                6.43
             |                     
            
                4.62
             |                                 
            
                21,470
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2018
             | 
            
                -0.17 / -2.47%
             |             
            
                6.60
             |           
            
                6.80
             |               
            
                6.39
             |                           
            
                6.70
             | 
            
                6.40
             |                     
            
                4.65
             |                                 
            
                541,420
             |  
            
                 
             |                                                              
             
    
         
    
    
 |