| 
                 
                    Closing price on 6/10/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.40 | 
                 
                
                    | High | 
                    8.40 | 
                 
                
                    | Low | 
                    8.20 | 
                     
                
                    | Volume | 
                    35,300 | 
                                 
                
                    | Split-adjusted Price | 
                    5.36 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MCF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/10/2021
             | 
            
                -0.10 / -1.19%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                5.36
             |                                 
            
                35,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2021
             | 
            
                +0.10 / +1.20%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.30
             |                     
            
                5.43
             |                                 
            
                8,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2021
             | 
            
                -0.20 / -2.35%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.39
             |                     
            
                5.36
             |                                 
            
                37,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2021
             | 
            
                +0.10 / +1.19%
             |             
            
                8.30
             |           
            
                8.60
             |               
            
                8.30
             |                           
            
                8.50
             | 
            
                8.51
             |                     
            
                5.49
             |                                 
            
                27,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.36
             |                     
            
                5.43
             |                                 
            
                16,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2021
             | 
            
                +0.10 / +1.20%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.30
             |                     
            
                5.43
             |                                 
            
                68,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2021
             | 
            
                +0.10 / +1.22%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.10
             |                           
            
                8.30
             | 
            
                8.21
             |                     
            
                5.36
             |                                 
            
                39,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2021
             | 
            
                +0.20 / +2.50%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.13
             |                     
            
                5.30
             |                                 
            
                12,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2021
             | 
            
                -0.20 / -2.44%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.09
             |                     
            
                5.17
             |                                 
            
                17,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2021
             | 
            
                +0.10 / +1.23%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.04
             |                     
            
                5.30
             |                                 
            
                28,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.11
             |                     
            
                5.23
             |                                 
            
                35,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2021
             | 
            
                -0.20 / -2.41%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.16
             |                     
            
                5.23
             |                                 
            
                24,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2021
             | 
            
                -0.10 / -1.19%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.22
             |                     
            
                5.36
             |                                 
            
                32,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2021
             | 
            
                +0.10 / +1.20%
             |             
            
                8.30
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.36
             |                     
            
                5.43
             |                                 
            
                20,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2021
             | 
            
                +0.10 / +1.22%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.24
             |                     
            
                5.36
             |                                 
            
                44,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.70
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.31
             |                     
            
                5.30
             |                                 
            
                39,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.29
             |                     
            
                5.30
             |                                 
            
                38,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2021
             | 
            
                -0.70 / -7.87%
             |             
            
                8.40
             |           
            
                8.60
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.26
             |                     
            
                5.30
             |                                 
            
                109,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2021
             | 
            
                -0.80 / -8.25%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.83
             |                     
            
                5.75
             |                                 
            
                74,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2021
             | 
            
                +0.10 / +1.04%
             |             
            
                9.40
             |           
            
                9.70
             |               
            
                9.40
             |                           
            
                9.70
             | 
            
                9.51
             |                     
            
                6.27
             |                                 
            
                7,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2021
             | 
            
                +0.60 / +6.67%
             |             
            
                9.00
             |           
            
                9.60
             |               
            
                8.10
             |                           
            
                9.60
             | 
            
                8.18
             |                     
            
                6.20
             |                                 
            
                491,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2021
             | 
            
                -0.30 / -3.23%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                8.40
             |                           
            
                9.00
             | 
            
                8.50
             |                     
            
                5.81
             |                                 
            
                288,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2021
             | 
            
                -0.20 / -2.11%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.34
             |                     
            
                6.01
             |                                 
            
                46,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2021
             | 
            
                -0.20 / -2.06%
             |             
            
                9.60
             |           
            
                9.70
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.59
             |                     
            
                6.14
             |                                 
            
                19,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.60
             |                           
            
                9.70
             | 
            
                9.63
             |                     
            
                6.27
             |                                 
            
                7,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2021
             | 
            
                +0.20 / +2.11%
             |             
            
                9.50
             |           
            
                10.00
             |               
            
                9.30
             |                           
            
                9.70
             | 
            
                9.45
             |                     
            
                6.27
             |                                 
            
                4,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2021
             | 
            
                -0.20 / -2.06%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.56
             |                     
            
                6.14
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.50
             |                           
            
                9.70
             | 
            
                9.53
             |                     
            
                6.27
             |                                 
            
                6,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                9.80
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.71
             |                     
            
                6.27
             |                                 
            
                3,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2021
             | 
            
                +0.20 / +2.11%
             |             
            
                9.50
             |           
            
                9.70
             |               
            
                9.50
             |                           
            
                9.70
             | 
            
                9.61
             |                     
            
                6.27
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |