| 
                 
                    Closing price on 9/23/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    102.80 | 
                 
                
                    | High | 
                    104.60 | 
                 
                
                    | Low | 
                    102.80 | 
                     
                
                    | Volume | 
                    257,330 | 
                                 
                
                    | Split-adjusted Price | 
                    64.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
GAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/23/2019
             | 
            
                +0.70 / +0.68%
             |             
            
                102.80
             |           
            
                104.60
             |               
            
                102.80
             |                           
            
                103.50
             | 
            
                103.91
             |                     
            
                64.14
             |                                 
            
                257,330
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2019
             | 
            
                -1.00 / -0.96%
             |             
            
                103.80
             |           
            
                104.70
             |               
            
                102.60
             |                           
            
                102.80
             | 
            
                103.31
             |                     
            
                63.71
             |                                 
            
                276,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2019
             | 
            
                -0.20 / -0.19%
             |             
            
                103.00
             |           
            
                103.80
             |               
            
                102.90
             |                           
            
                103.80
             | 
            
                103.30
             |                     
            
                64.33
             |                                 
            
                266,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2019
             | 
            
                -2.90 / -2.71%
             |             
            
                106.00
             |           
            
                106.00
             |               
            
                103.70
             |                           
            
                104.00
             | 
            
                104.53
             |                     
            
                64.45
             |                                 
            
                768,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2019
             | 
            
                +3.50 / +3.38%
             |             
            
                104.00
             |           
            
                107.00
             |               
            
                103.50
             |                           
            
                106.90
             | 
            
                105.21
             |                     
            
                66.25
             |                                 
            
                836,730
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2019
             | 
            
                +2.40 / +2.38%
             |             
            
                104.00
             |           
            
                104.10
             |               
            
                102.80
             |                           
            
                103.40
             | 
            
                103.51
             |                     
            
                64.08
             |                                 
            
                622,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2019
             | 
            
                +1.70 / +1.71%
             |             
            
                99.00
             |           
            
                101.70
             |               
            
                99.00
             |                           
            
                101.00
             | 
            
                100.52
             |                     
            
                62.59
             |                                 
            
                260,180
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2019
             | 
            
                +0.60 / +0.61%
             |             
            
                99.00
             |           
            
                99.90
             |               
            
                98.90
             |                           
            
                99.30
             | 
            
                99.25
             |                     
            
                61.54
             |                                 
            
                85,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2019
             | 
            
                -0.60 / -0.60%
             |             
            
                99.30
             |           
            
                99.50
             |               
            
                98.50
             |                           
            
                98.70
             | 
            
                98.99
             |                     
            
                61.17
             |                                 
            
                170,960
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2019
             | 
            
                -0.80 / -0.80%
             |             
            
                100.50
             |           
            
                101.00
             |               
            
                98.90
             |                           
            
                99.30
             | 
            
                99.58
             |                     
            
                61.54
             |                                 
            
                358,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2019
             | 
            
                -0.70 / -0.69%
             |             
            
                100.20
             |           
            
                101.00
             |               
            
                100.10
             |                           
            
                100.10
             | 
            
                100.45
             |                     
            
                62.03
             |                                 
            
                100,280
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2019
             | 
            
                +0.30 / +0.30%
             |             
            
                101.50
             |           
            
                101.50
             |               
            
                100.40
             |                           
            
                100.80
             | 
            
                100.85
             |                     
            
                62.47
             |                                 
            
                70,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2019
             | 
            
                +0.10 / +0.10%
             |             
            
                101.50
             |           
            
                102.00
             |               
            
                100.40
             |                           
            
                100.50
             | 
            
                101.06
             |                     
            
                62.28
             |                                 
            
                109,840
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2019
             | 
            
                +0.60 / +0.60%
             |             
            
                99.80
             |           
            
                100.70
             |               
            
                99.80
             |                           
            
                100.40
             | 
            
                100.12
             |                     
            
                62.22
             |                                 
            
                235,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2019
             | 
            
                -0.80 / -0.80%
             |             
            
                100.70
             |           
            
                100.70
             |               
            
                97.00
             |                           
            
                99.80
             | 
            
                99.93
             |                     
            
                61.85
             |                                 
            
                159,010
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2019
             | 
            
                +0.10 / +0.10%
             |             
            
                100.50
             |           
            
                101.60
             |               
            
                100.50
             |                           
            
                100.60
             | 
            
                100.87
             |                     
            
                62.34
             |                                 
            
                176,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2019
             | 
            
                -1.80 / -1.76%
             |             
            
                101.00
             |           
            
                101.80
             |               
            
                100.50
             |                           
            
                100.50
             | 
            
                100.89
             |                     
            
                62.28
             |                                 
            
                205,170
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2019
             | 
            
                +0.40 / +0.39%
             |             
            
                102.00
             |           
            
                103.20
             |               
            
                102.00
             |                           
            
                102.30
             | 
            
                102.48
             |                     
            
                61.97
             |                                 
            
                106,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2019
             | 
            
                +0.40 / +0.39%
             |             
            
                102.80
             |           
            
                102.80
             |               
            
                101.50
             |                           
            
                101.90
             | 
            
                102.15
             |                     
            
                61.73
             |                                 
            
                150,750
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2019
             | 
            
                -2.50 / -2.40%
             |             
            
                102.60
             |           
            
                103.00
             |               
            
                101.00
             |                           
            
                101.50
             | 
            
                101.71
             |                     
            
                61.49
             |                                 
            
                518,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2019
             | 
            
                -0.60 / -0.57%
             |             
            
                105.00
             |           
            
                105.00
             |               
            
                102.90
             |                           
            
                104.00
             | 
            
                103.75
             |                     
            
                63.00
             |                                 
            
                293,260
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2019
             | 
            
                -0.60 / -0.57%
             |             
            
                105.40
             |           
            
                105.40
             |               
            
                104.00
             |                           
            
                104.60
             | 
            
                104.45
             |                     
            
                63.37
             |                                 
            
                284,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2019
             | 
            
                +2.20 / +2.14%
             |             
            
                103.50
             |           
            
                105.70
             |               
            
                103.20
             |                           
            
                105.20
             | 
            
                104.74
             |                     
            
                63.73
             |                                 
            
                495,360
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2019
             | 
            
                +1.20 / +1.18%
             |             
            
                102.50
             |           
            
                103.30
             |               
            
                102.30
             |                           
            
                103.00
             | 
            
                102.72
             |                     
            
                62.40
             |                                 
            
                315,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2019
             | 
            
                +0.90 / +0.89%
             |             
            
                102.00
             |           
            
                102.50
             |               
            
                101.00
             |                           
            
                101.80
             | 
            
                101.81
             |                     
            
                61.67
             |                                 
            
                177,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                100.80
             |           
            
                101.80
             |               
            
                100.60
             |                           
            
                100.90
             | 
            
                101.09
             |                     
            
                61.12
             |                                 
            
                373,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                99.00
             |           
            
                100.90
             |               
            
                98.70
             |                           
            
                100.90
             | 
            
                99.92
             |                     
            
                61.12
             |                                 
            
                266,470
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2019
             | 
            
                +0.90 / +0.90%
             |             
            
                102.50
             |           
            
                102.50
             |               
            
                100.50
             |                           
            
                100.90
             | 
            
                101.10
             |                     
            
                61.12
             |                                 
            
                163,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2019
             | 
            
                -2.00 / -1.96%
             |             
            
                101.10
             |           
            
                101.80
             |               
            
                99.90
             |                           
            
                100.00
             | 
            
                100.22
             |                     
            
                60.58
             |                                 
            
                599,630
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2019
             | 
            
                +0.70 / +0.69%
             |             
            
                102.20
             |           
            
                103.00
             |               
            
                102.00
             |                           
            
                102.00
             | 
            
                102.50
             |                     
            
                61.79
             |                                 
            
                207,340
             |  
            
                 
             |                                                              
             
    
         
    
    
 |