| 
                 
                    Closing price on 7/1/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    12.00 | 
                 
                
                    | High | 
                    12.20 | 
                 
                
                    | Low | 
                    12.00 | 
                     
                
                    | Volume | 
                    17,200 | 
                                 
                
                    | Split-adjusted Price | 
                    8.77 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
XMC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/1/2019
             | 
            
                -2.10 / -14.89%
             |             
            
                12.00
             |           
            
                12.20
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.10
             |                     
            
                8.77
             |                                 
            
                17,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2019
             | 
            
                -2.00 / -13.33%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                11.50
             |                           
            
                13.00
             | 
            
                14.12
             |                     
            
                9.50
             |                                 
            
                27,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.90
             |               
            
                5.70
             |                           
            
                6.90
             | 
            
                6.39
             |                     
            
                5.04
             |                                 
            
                24,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2013
             | 
            
                +0.10 / +1.61%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                5.60
             |                           
            
                6.30
             | 
            
                6.18
             |                     
            
                4.61
             |                                 
            
                18,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2013
             | 
            
                -0.60 / -8.82%
             |             
            
                6.30
             |           
            
                6.60
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.31
             |                     
            
                4.53
             |                                 
            
                15,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2013
             | 
            
                -0.10 / -1.45%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.83
             |                     
            
                4.97
             |                                 
            
                8,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2013
             | 
            
                -0.10 / -1.43%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                7.35
             |                     
            
                5.04
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                6.99
             |                     
            
                5.12
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2013
             | 
            
                +0.40 / +6.45%
             |             
            
                6.30
             |           
            
                6.60
             |               
            
                6.30
             |                           
            
                6.60
             | 
            
                6.47
             |                     
            
                4.83
             |                                 
            
                13,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.53
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.53
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.53
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.20
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.17
             |                     
            
                4.53
             |                                 
            
                13,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2013
             | 
            
                +0.10 / +1.67%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                4.46
             |                                 
            
                5,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2013
             | 
            
                -0.10 / -1.64%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.04
             |                     
            
                4.39
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                4.46
             |                                 
            
                9,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                4.46
             |                                 
            
                16,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                4.46
             |                                 
            
                28,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.05
             |                     
            
                4.46
             |                                 
            
                18,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.90
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                6.10
             | 
            
                6.08
             |                     
            
                4.46
             |                                 
            
                25,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2013
             | 
            
                -0.20 / -3.17%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.06
             |                     
            
                4.46
             |                                 
            
                60,210
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                4.61
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                4.61
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.53
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.53
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.53
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                4.53
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.20
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.16
             |                     
            
                4.53
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2013
             | 
            
                -0.50 / -7.58%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                4.46
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2013
             | 
            
                +0.20 / +3.13%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                4.83
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |