| 
                 
                    Closing price on 4/17/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.95 | 
                 
                
                    | High | 
                    29.95 | 
                 
                
                    | Low | 
                    29.20 | 
                     
                
                    | Volume | 
                    540 | 
                                 
                
                    | Split-adjusted Price | 
                    14.57 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CNG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/17/2018
             | 
            
                +0.45 / +1.53%
             |             
            
                29.95
             |           
            
                29.95
             |               
            
                29.20
             |                           
            
                29.80
             | 
            
                29.63
             |                     
            
                14.57
             |                                 
            
                540
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2018
             | 
            
                +0.15 / +0.51%
             |             
            
                29.10
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.35
             | 
            
                29.09
             |                     
            
                14.35
             |                                 
            
                72,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2018
             | 
            
                -0.30 / -1.02%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                14.28
             |                                 
            
                30,240
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2018
             | 
            
                -0.20 / -0.67%
             |             
            
                29.60
             |           
            
                29.70
             |               
            
                29.30
             |                           
            
                29.50
             | 
            
                29.44
             |                     
            
                14.42
             |                                 
            
                19,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2018
             | 
            
                -0.10 / -0.34%
             |             
            
                29.50
             |           
            
                30.00
             |               
            
                29.20
             |                           
            
                29.70
             | 
            
                29.63
             |                     
            
                14.52
             |                                 
            
                31,490
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                29.65
             |           
            
                29.85
             |               
            
                29.40
             |                           
            
                29.80
             | 
            
                29.52
             |                     
            
                14.57
             |                                 
            
                11,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2018
             | 
            
                -0.20 / -0.67%
             |             
            
                29.70
             |           
            
                29.80
             |               
            
                29.65
             |                           
            
                29.80
             | 
            
                29.71
             |                     
            
                14.57
             |                                 
            
                26,460
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.30
             |               
            
                29.60
             |                           
            
                30.00
             | 
            
                29.77
             |                     
            
                14.67
             |                                 
            
                26,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2018
             | 
            
                -0.70 / -2.28%
             |             
            
                31.10
             |           
            
                31.40
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.54
             |                     
            
                14.67
             |                                 
            
                18,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2018
             | 
            
                +2.00 / +6.97%
             |             
            
                28.85
             |           
            
                30.70
             |               
            
                28.85
             |                           
            
                30.70
             | 
            
                30.51
             |                     
            
                15.01
             |                                 
            
                164,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2018
             | 
            
                0.00 / 0.00%
             |             
            
                28.80
             |           
            
                28.80
             |               
            
                28.60
             |                           
            
                28.70
             | 
            
                28.62
             |                     
            
                14.03
             |                                 
            
                16,560
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2018
             | 
            
                +0.15 / +0.53%
             |             
            
                28.70
             |           
            
                28.70
             |               
            
                28.50
             |                           
            
                28.70
             | 
            
                28.57
             |                     
            
                14.03
             |                                 
            
                22,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2018
             | 
            
                -0.25 / -0.87%
             |             
            
                28.50
             |           
            
                29.00
             |               
            
                28.50
             |                           
            
                28.55
             | 
            
                28.50
             |                     
            
                13.96
             |                                 
            
                16,910
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2018
             | 
            
                +0.30 / +1.05%
             |             
            
                28.50
             |           
            
                28.80
             |               
            
                28.30
             |                           
            
                28.80
             | 
            
                28.55
             |                     
            
                14.08
             |                                 
            
                11,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2018
             | 
            
                -0.30 / -1.04%
             |             
            
                28.80
             |           
            
                29.00
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.65
             |                     
            
                13.93
             |                                 
            
                16,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2018
             | 
            
                +0.20 / +0.70%
             |             
            
                28.70
             |           
            
                28.80
             |               
            
                28.70
             |                           
            
                28.80
             | 
            
                28.75
             |                     
            
                14.08
             |                                 
            
                20,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2018
             | 
            
                +0.10 / +0.35%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.64
             |                     
            
                13.98
             |                                 
            
                15,920
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2018
             | 
            
                -1.40 / -4.68%
             |             
            
                29.70
             |           
            
                29.70
             |               
            
                28.10
             |                           
            
                28.50
             | 
            
                28.23
             |                     
            
                13.93
             |                                 
            
                71,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2018
             | 
            
                -0.10 / -0.33%
             |             
            
                30.00
             |           
            
                30.50
             |               
            
                29.80
             |                           
            
                29.90
             | 
            
                29.95
             |                     
            
                13.89
             |                                 
            
                23,640
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2018
             | 
            
                +0.20 / +0.67%
             |             
            
                29.80
             |           
            
                30.00
             |               
            
                29.60
             |                           
            
                30.00
             | 
            
                29.86
             |                     
            
                13.93
             |                                 
            
                11,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2018
             | 
            
                0.00 / 0.00%
             |             
            
                29.80
             |           
            
                29.80
             |               
            
                29.10
             |                           
            
                29.80
             | 
            
                29.57
             |                     
            
                13.84
             |                                 
            
                14,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.15
             |           
            
                30.15
             |               
            
                29.80
             |                           
            
                29.80
             | 
            
                29.96
             |                     
            
                13.84
             |                                 
            
                21,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2018
             | 
            
                +0.10 / +0.34%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.50
             |                           
            
                29.80
             | 
            
                29.75
             |                     
            
                13.84
             |                                 
            
                24,370
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2018
             | 
            
                -0.40 / -1.33%
             |             
            
                30.20
             |           
            
                32.00
             |               
            
                28.20
             |                           
            
                29.70
             | 
            
                29.74
             |                     
            
                13.79
             |                                 
            
                32,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2018
             | 
            
                -0.70 / -2.27%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.10
             |                           
            
                30.10
             | 
            
                30.33
             |                     
            
                13.98
             |                                 
            
                37,460
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                14.30
             |                                 
            
                13,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.50
             |           
            
                31.00
             |               
            
                28.65
             |                           
            
                30.80
             | 
            
                29.97
             |                     
            
                14.30
             |                                 
            
                70,880
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2018
             | 
            
                +0.05 / +0.16%
             |             
            
                30.75
             |           
            
                30.85
             |               
            
                28.60
             |                           
            
                30.80
             | 
            
                30.48
             |                     
            
                14.30
             |                                 
            
                63,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2018
             | 
            
                -0.05 / -0.16%
             |             
            
                30.80
             |           
            
                30.85
             |               
            
                30.40
             |                           
            
                30.75
             | 
            
                30.40
             |                     
            
                14.28
             |                                 
            
                15,590
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2018
             | 
            
                +0.40 / +1.32%
             |             
            
                30.40
             |           
            
                30.80
             |               
            
                30.40
             |                           
            
                30.80
             | 
            
                30.40
             |                     
            
                14.30
             |                                 
            
                66,340
             |  
            
                 
             |                                                              
             
    
         
    
    
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