TSP:                                     872670161                                                                                                                                                                                                       
 TSP Name:                                ENABLE GAS TRANSMISSION, LLC                                                                                                                                                                                    
 Critical Notice Description:             Critical notice                                                                                                                                                                                                 
 Notice Effective Date:                   09/19/2025                                                                                                                                                                                                      
 Notice Effective Time:                   09:00                                                                                                                                                                                                           
 Notice End Date:                         00/00/0000                                                                                                                                                                                                      
 Notice End Time:                         00:00                                                                                                                                                                                                           
 Notice Identifier:                       6157                                                                                                                                                                                                            
 Notice Status Description:               Initiate                                                                                                                                                                                                        
 Notice Type:                             Maintenance                                                                                                                                                                                                     
 Posting Date/Time:                       09/18/2025 08:22                                                                                                                                                                                                
 Required Response Indicator Description: No response required                                                                                                                                                                                            
 Response Date:                                                                                                                                                                                                                                           
 Response Time:                                                                                                                                                                                                                                           
 Subject:                                 CHANDLER UNPLANNED MAINTENANCE                                                                                                                                                                                  
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Notice Text:                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 This Operational Alert is being issued pursuant to Section 20, GT&C, of EGT s Tariff notify all                                                                                                                                                          
 parties of unplanned maintenance on EGT s Chandler Compressor Station, located in EGT s                                                                                                                                                                  
 Neutral (Flex) Pooling Area, in Latimer County, Oklahoma.                                                                                                                                                                                                
 This unplanned maintenance will commence Friday, September 19th, 2025, and continue until                                                                                                                                                                
 further notice. Based on current nominations, EGT expects impacts to both Secondary FT and                                                                                                                                                               
 EFT services.                                                                                                                                                                                                                                            
 *	The maximum capacity through EGT s Chandler Compressor Station will be limited to                                                                                                                                                                      
 700,000 dth.                                                                                                                                                                                                                                             
 *	Secondary FT and IT services from West 1, West 2, Neutral (Flex) or North Pooling Areas                                                                                                                                                                
 to South or CP Deliveries will not be available.                                                                                                                                                                                                         
 o	Secondary FT and IT Deliveries in the South Pooling Area must be supplied from                                                                                                                                                                         
 South Pooling Area receipts.                                                                                                                                                                                                                             
 *	EFT services in the North and South Pooling Areas may be limited to a ratable service.                                                                                                                                                                 
 EGT will schedule receipts and deliveries in accordance with EGT s Tariff.  This Operational Alert                                                                                                                                                       
 will remain in effect until further notice and will be updated as more information becomes                                                                                                                                                               
 available. If you have any questions concerning this Alert, please contact your Scheduling                                                                                                                                                               
 Representative.                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
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