| 
                 
                    Closing price on 9/16/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.20 | 
                 
                
                    | High | 
                    9.20 | 
                 
                
                    | Low | 
                    9.00 | 
                     
                
                    | Volume | 
                    24,500 | 
                                 
                
                    | Split-adjusted Price | 
                    6.44 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MCF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/16/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.20
             | 
            
                9.10
             |                     
            
                6.44
             |                                 
            
                24,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2021
             | 
            
                -0.10 / -1.08%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.29
             |                     
            
                6.44
             |                                 
            
                32,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2021
             | 
            
                +0.20 / +2.20%
             |             
            
                9.10
             |           
            
                9.40
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.13
             |                     
            
                6.51
             |                                 
            
                17,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2021
             | 
            
                -0.30 / -3.19%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                9.10
             |                           
            
                9.10
             | 
            
                9.18
             |                     
            
                6.37
             |                                 
            
                28,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2021
             | 
            
                +0.40 / +4.44%
             |             
            
                9.00
             |           
            
                9.40
             |               
            
                9.00
             |                           
            
                9.40
             | 
            
                9.21
             |                     
            
                6.58
             |                                 
            
                26,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2021
             | 
            
                -0.20 / -2.17%
             |             
            
                9.00
             |           
            
                9.20
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                8.98
             |                     
            
                6.30
             |                                 
            
                25,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2021
             | 
            
                +0.10 / +1.10%
             |             
            
                8.90
             |           
            
                9.30
             |               
            
                8.80
             |                           
            
                9.20
             | 
            
                9.06
             |                     
            
                6.44
             |                                 
            
                18,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2021
             | 
            
                -0.20 / -2.15%
             |             
            
                9.10
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.10
             | 
            
                9.17
             |                     
            
                6.37
             |                                 
            
                29,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2021
             | 
            
                +0.50 / +5.68%
             |             
            
                8.80
             |           
            
                9.60
             |               
            
                8.80
             |                           
            
                9.30
             | 
            
                9.04
             |                     
            
                6.51
             |                                 
            
                42,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.69
             |                     
            
                6.16
             |                                 
            
                13,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.66
             |                     
            
                6.16
             |                                 
            
                11,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2021
             | 
            
                +0.10 / +1.15%
             |             
            
                8.60
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                8.80
             | 
            
                8.71
             |                     
            
                6.16
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.70
             |               
            
                8.40
             |                           
            
                8.70
             | 
            
                8.58
             |                     
            
                6.09
             |                                 
            
                52,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2021
             | 
            
                -0.30 / -3.33%
             |             
            
                8.80
             |           
            
                8.90
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.64
             |                     
            
                6.09
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                9.00
             | 
            
                8.86
             |                     
            
                6.30
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2021
             | 
            
                +0.10 / +1.12%
             |             
            
                8.80
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                9.00
             | 
            
                8.57
             |                     
            
                6.30
             |                                 
            
                53,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2021
             | 
            
                -0.10 / -1.11%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.70
             |                           
            
                8.90
             | 
            
                8.80
             |                     
            
                6.23
             |                                 
            
                25,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2021
             | 
            
                -0.70 / -7.22%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.19
             |                     
            
                6.30
             |                                 
            
                48,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2021
             | 
            
                +0.70 / +7.78%
             |             
            
                9.00
             |           
            
                9.90
             |               
            
                8.90
             |                           
            
                9.70
             | 
            
                9.33
             |                     
            
                6.79
             |                                 
            
                193,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2021
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                8.98
             |                     
            
                6.30
             |                                 
            
                67,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2021
             | 
            
                +0.30 / +3.45%
             |             
            
                8.80
             |           
            
                9.20
             |               
            
                8.60
             |                           
            
                9.00
             | 
            
                8.96
             |                     
            
                6.30
             |                                 
            
                78,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2021
             | 
            
                +0.50 / +6.10%
             |             
            
                8.20
             |           
            
                8.90
             |               
            
                8.20
             |                           
            
                8.70
             | 
            
                8.37
             |                     
            
                6.09
             |                                 
            
                69,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.40
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.16
             |                     
            
                5.74
             |                                 
            
                41,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2021
             | 
            
                -0.10 / -1.20%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                5.74
             |                                 
            
                17,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2021
             | 
            
                +0.10 / +1.22%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.27
             |                     
            
                5.81
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2021
             | 
            
                +0.10 / +1.23%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.20
             | 
            
                8.03
             |                     
            
                5.74
             |                                 
            
                53,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2021
             | 
            
                -0.10 / -1.22%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                5.67
             |                                 
            
                68,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.21
             |                     
            
                5.74
             |                                 
            
                7,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                5.74
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                5.74
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |