TSP:                                     872670161                                                                                                                                                                                                       
 TSP Name:                                ENABLE GAS TRANSMISSION, LLC                                                                                                                                                                                    
 Critical Notice Description:             Critical notice                                                                                                                                                                                                 
 Notice Effective Date:                   10/13/2026                                                                                                                                                                                                      
 Notice Effective Time:                   09:00                                                                                                                                                                                                           
 Notice End Date:                         10/17/2026                                                                                                                                                                                                      
 Notice End Time:                         09:00                                                                                                                                                                                                           
 Notice Identifier:                       6533                                                                                                                                                                                                            
 Notice Status Description:               Initiate                                                                                                                                                                                                        
 Notice Type:                             Maintenance                                                                                                                                                                                                     
 Posting Date/Time:                       08/31/2026 08:15                                                                                                                                                                                                
 Required Response Indicator Description: No response required                                                                                                                                                                                            
 Response Date:                                                                                                                                                                                                                                           
 Response Time:                                                                                                                                                                                                                                           
 Subject:                                 PLANNED HINTON MAINTENANCE                                                                                                                                                                                      
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Notice Text:                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 This Operational Alert is being issued pursuant to Section 20, GT&C, of EGT s Tariff to notify                                                                                                                                                           
 shippers of maintenance at EGT s Hinton Compressor Station, located in Caddo County,                                                                                                                                                                     
 Oklahoma and in EGT s West-1 Pooling Area.  The maintenance will occur Tuesday, October                                                                                                                                                                  
 13th, 2026, with an anticipated completion date of Saturday, October 17th, 2026, at 09:00.                                                                                                                                                               
                                                                                                                                                                                                                                                          
 During this maintenance, capacity through the Hinton Compressor Station will be limited to                                                                                                                                                               
 approximately 290,000 Dth/d; point operators will experience higher pressure.                                                                                                                                                                            
                                                                                                                                                                                                                                                          
 Based on current nominations, EGT anticipates impacts to all its services, including primary                                                                                                                                                             
 firm, which may be scheduled to approximately 70%-78% of MRO quantity.                                                                                                                                                                                   
 EGT will schedule nominations, if needed, on each impacted day in accordance with its tariff.                                                                                                                                                            
 This alert will remain in effect until the completion of the maintenance.                                                                                                                                                                                
 If you have any questions concerning this alert, please contact your Scheduling Representative.                                                                                                                                                          
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