| 
                 
                    Closing price on 4/22/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.00 | 
                 
                
                    | High | 
                    23.00 | 
                 
                
                    | Low | 
                    22.50 | 
                     
                
                    | Volume | 
                    92,200 | 
                                 
                
                    | Split-adjusted Price | 
                    13.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CNG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/22/2021
             | 
            
                -0.55 / -2.38%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                22.50
             |                           
            
                22.55
             | 
            
                22.81
             |                     
            
                13.63
             |                                 
            
                92,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2021
             | 
            
                +0.25 / +1.09%
             |             
            
                23.20
             |           
            
                23.20
             |               
            
                22.50
             |                           
            
                23.10
             | 
            
                23.01
             |                     
            
                13.96
             |                                 
            
                183,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2021
             | 
            
                -0.15 / -0.65%
             |             
            
                23.20
             |           
            
                23.20
             |               
            
                22.50
             |                           
            
                22.85
             | 
            
                22.71
             |                     
            
                13.81
             |                                 
            
                189,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2021
             | 
            
                -0.20 / -0.86%
             |             
            
                23.00
             |           
            
                23.40
             |               
            
                22.50
             |                           
            
                23.00
             | 
            
                22.78
             |                     
            
                13.90
             |                                 
            
                147,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2021
             | 
            
                -0.80 / -3.33%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                22.90
             |                           
            
                23.20
             | 
            
                23.27
             |                     
            
                14.02
             |                                 
            
                799,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2021
             | 
            
                -0.20 / -0.83%
             |             
            
                24.20
             |           
            
                24.20
             |               
            
                23.50
             |                           
            
                24.00
             | 
            
                23.99
             |                     
            
                14.50
             |                                 
            
                216,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                24.45
             |           
            
                24.45
             |               
            
                23.85
             |                           
            
                24.20
             | 
            
                24.19
             |                     
            
                14.62
             |                                 
            
                274,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2021
             | 
            
                +0.20 / +0.83%
             |             
            
                24.00
             |           
            
                24.35
             |               
            
                24.00
             |                           
            
                24.20
             | 
            
                24.04
             |                     
            
                14.62
             |                                 
            
                234,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2021
             | 
            
                +0.50 / +2.13%
             |             
            
                23.55
             |           
            
                24.30
             |               
            
                23.55
             |                           
            
                24.00
             | 
            
                23.97
             |                     
            
                14.50
             |                                 
            
                433,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2021
             | 
            
                -0.40 / -1.67%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                23.45
             |                           
            
                23.50
             | 
            
                23.54
             |                     
            
                14.20
             |                                 
            
                382,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2021
             | 
            
                +0.10 / +0.42%
             |             
            
                23.80
             |           
            
                24.00
             |               
            
                23.20
             |                           
            
                23.90
             | 
            
                23.55
             |                     
            
                14.44
             |                                 
            
                319,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2021
             | 
            
                -0.75 / -3.05%
             |             
            
                24.55
             |           
            
                24.65
             |               
            
                23.50
             |                           
            
                23.80
             | 
            
                24.55
             |                     
            
                14.38
             |                                 
            
                434,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2021
             | 
            
                -0.05 / -0.20%
             |             
            
                24.55
             |           
            
                25.00
             |               
            
                24.50
             |                           
            
                24.55
             | 
            
                24.59
             |                     
            
                14.83
             |                                 
            
                395,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2021
             | 
            
                -0.20 / -0.81%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                24.55
             |                           
            
                24.60
             | 
            
                24.84
             |                     
            
                14.86
             |                                 
            
                290,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2021
             | 
            
                +0.90 / +3.77%
             |             
            
                23.90
             |           
            
                24.80
             |               
            
                23.70
             |                           
            
                24.80
             | 
            
                24.02
             |                     
            
                14.99
             |                                 
            
                139,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2021
             | 
            
                -0.10 / -0.42%
             |             
            
                24.10
             |           
            
                24.10
             |               
            
                23.10
             |                           
            
                23.90
             | 
            
                23.82
             |                     
            
                14.44
             |                                 
            
                152,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2021
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.80
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                14.50
             |                                 
            
                88,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2021
             | 
            
                +1.00 / +4.35%
             |             
            
                23.50
             |           
            
                24.15
             |               
            
                23.50
             |                           
            
                24.00
             | 
            
                23.94
             |                     
            
                14.50
             |                                 
            
                102,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2021
             | 
            
                -0.90 / -3.77%
             |             
            
                23.90
             |           
            
                24.00
             |               
            
                22.40
             |                           
            
                23.00
             | 
            
                23.35
             |                     
            
                13.90
             |                                 
            
                245,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2021
             | 
            
                -0.40 / -1.65%
             |             
            
                24.50
             |           
            
                24.70
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                24.10
             |                     
            
                14.44
             |                                 
            
                177,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2021
             | 
            
                -1.05 / -4.14%
             |             
            
                24.80
             |           
            
                24.90
             |               
            
                24.00
             |                           
            
                24.30
             | 
            
                24.58
             |                     
            
                14.68
             |                                 
            
                186,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                25.35
             |           
            
                25.50
             |               
            
                24.70
             |                           
            
                25.35
             | 
            
                24.95
             |                     
            
                15.32
             |                                 
            
                174,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2021
             | 
            
                -0.15 / -0.59%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                24.90
             |                           
            
                25.35
             | 
            
                25.15
             |                     
            
                15.32
             |                                 
            
                97,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2021
             | 
            
                -0.10 / -0.39%
             |             
            
                25.20
             |           
            
                25.50
             |               
            
                24.90
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                15.41
             |                                 
            
                261,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2021
             | 
            
                -0.10 / -0.39%
             |             
            
                25.90
             |           
            
                26.20
             |               
            
                25.40
             |                           
            
                25.60
             | 
            
                25.69
             |                     
            
                15.47
             |                                 
            
                219,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2021
             | 
            
                -0.70 / -2.65%
             |             
            
                26.40
             |           
            
                26.50
             |               
            
                25.70
             |                           
            
                25.70
             | 
            
                26.08
             |                     
            
                15.53
             |                                 
            
                197,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2021
             | 
            
                +0.30 / +1.15%
             |             
            
                26.10
             |           
            
                27.20
             |               
            
                25.70
             |                           
            
                26.40
             | 
            
                26.37
             |                     
            
                15.95
             |                                 
            
                334,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2021
             | 
            
                -0.10 / -0.38%
             |             
            
                26.00
             |           
            
                26.50
             |               
            
                25.90
             |                           
            
                26.10
             | 
            
                26.20
             |                     
            
                15.77
             |                                 
            
                95,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2021
             | 
            
                +0.10 / +0.38%
             |             
            
                26.10
             |           
            
                26.30
             |               
            
                26.00
             |                           
            
                26.20
             | 
            
                26.07
             |                     
            
                15.83
             |                                 
            
                155,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2021
             | 
            
                +0.10 / +0.38%
             |             
            
                26.10
             |           
            
                26.50
             |               
            
                25.85
             |                           
            
                26.10
             | 
            
                26.14
             |                     
            
                15.77
             |                                 
            
                150,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |