| 
                 
                    Closing price on 10/10/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.10 | 
                 
                
                    | High | 
                    7.30 | 
                 
                
                    | Low | 
                    7.00 | 
                     
                
                    | Volume | 
                    5,300 | 
                                 
                
                    | Split-adjusted Price | 
                    6.37 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
XMC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/10/2022
             | 
            
                +0.30 / +4.29%
             |             
            
                7.10
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.20
             |                     
            
                6.37
             |                                 
            
                5,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2022
             | 
            
                -0.70 / -9.09%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.10
             |                                 
            
                38,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2022
             | 
            
                -0.40 / -5.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.70
             |                     
            
                6.63
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2022
             | 
            
                +0.20 / +2.56%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                6.98
             |                                 
            
                8,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2022
             | 
            
                -0.20 / -2.47%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                7.90
             | 
            
                7.80
             |                     
            
                6.89
             |                                 
            
                7,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2022
             | 
            
                -0.20 / -2.44%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.10
             |                     
            
                6.98
             |                                 
            
                11,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2022
             | 
            
                -0.10 / -1.20%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                7.15
             |                                 
            
                7,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2022
             | 
            
                -0.20 / -2.38%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.30
             |                     
            
                7.15
             |                                 
            
                6,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2022
             | 
            
                -0.20 / -2.35%
             |             
            
                8.20
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.40
             |                     
            
                7.24
             |                                 
            
                28,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2022
             | 
            
                +0.10 / +1.22%
             |             
            
                8.20
             |           
            
                8.60
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.50
             |                     
            
                7.24
             |                                 
            
                34,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2022
             | 
            
                -0.60 / -6.90%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.20
             |                     
            
                7.06
             |                                 
            
                6,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2022
             | 
            
                -0.20 / -2.25%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                7.59
             |                                 
            
                31,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2022
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.90
             |                     
            
                7.67
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2022
             | 
            
                +0.20 / +2.35%
             |             
            
                8.70
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.80
             |                     
            
                7.59
             |                                 
            
                4,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2022
             | 
            
                +0.10 / +1.18%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.40
             |                           
            
                8.60
             | 
            
                8.50
             |                     
            
                7.50
             |                                 
            
                7,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2022
             | 
            
                -0.50 / -5.56%
             |             
            
                8.80
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.41
             |                                 
            
                41,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2022
             | 
            
                -0.20 / -2.20%
             |             
            
                9.10
             |           
            
                9.10
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                9.00
             |                     
            
                7.76
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2022
             | 
            
                -0.20 / -2.20%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                9.10
             |                     
            
                7.76
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2022
             | 
            
                +0.30 / +3.37%
             |             
            
                8.90
             |           
            
                9.20
             |               
            
                8.90
             |                           
            
                9.20
             | 
            
                9.10
             |                     
            
                8.02
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2022
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                7.76
             |                                 
            
                12,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2022
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                8.90
             |                     
            
                7.85
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2022
             | 
            
                -0.10 / -1.10%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                7.85
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2022
             | 
            
                -0.10 / -1.10%
             |             
            
                9.00
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.10
             |                     
            
                7.85
             |                                 
            
                6,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2022
             | 
            
                -0.40 / -4.35%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                9.10
             |                     
            
                7.67
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2022
             | 
            
                -0.10 / -1.05%
             |             
            
                9.30
             |           
            
                9.40
             |               
            
                9.20
             |                           
            
                9.40
             | 
            
                9.20
             |                     
            
                8.20
             |                                 
            
                6,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2022
             | 
            
                +0.10 / +1.06%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.30
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                8.28
             |                                 
            
                14,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2022
             | 
            
                -0.20 / -2.08%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                9.20
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                8.20
             |                                 
            
                7,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2022
             | 
            
                +0.10 / +1.05%
             |             
            
                9.40
             |           
            
                9.60
             |               
            
                9.40
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                8.37
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2022
             | 
            
                -0.10 / -1.04%
             |             
            
                9.40
             |           
            
                9.60
             |               
            
                9.20
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                8.28
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2022
             | 
            
                -0.20 / -2.06%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.60
             |                     
            
                8.28
             |                                 
            
                7,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |