TSP:                                     872670161                                                                                                                                                                                                       
 TSP Name:                                ENABLE GAS TRANSMISSION, LLC                                                                                                                                                                                    
 Critical Notice Description:             Critical notice                                                                                                                                                                                                 
 Notice Effective Date:                   08/18/2026                                                                                                                                                                                                      
 Notice Effective Time:                   09:00                                                                                                                                                                                                           
 Notice End Date:                         09/18/2026                                                                                                                                                                                                      
 Notice End Time:                         09:00                                                                                                                                                                                                           
 Notice Identifier:                       6478                                                                                                                                                                                                            
 Notice Status Description:               Initiate                                                                                                                                                                                                        
 Notice Type:                             Maintenance                                                                                                                                                                                                     
 Posting Date/Time:                       07/16/2026 15:08                                                                                                                                                                                                
 Required Response Indicator Description: No response required                                                                                                                                                                                            
 Response Date:                                                                                                                                                                                                                                           
 Response Time:                                                                                                                                                                                                                                           
 Subject:                                 SOUTH POOL INTEGRITY DIGS                                                                                                                                                                                       
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Notice Text:                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 This Operational Alert is being issued pursuant to Section 20, GT&C of EGT s Tariff to notify all parties of                                                                                                                                             
 planned maintenance in EGT s South Pooling Area beginning Tuesday, August 18th, 2026, with an                                                                                                                                                            
 expected completion date of Friday, September 18th, 2026, at 09:00.                                                                                                                                                                                      
 A series of integrity digs will be conducted in EGT s South Pooling Area. During this time, EGT will not                                                                                                                                                 
 allow IT and Secondary services from EGT s West 1, West 2, Flex and North Pooling Areas to EGT s South                                                                                                                                                   
 Pooling Area.  In addition, EGT will have limited ability to schedule receipt nominations from meters that                                                                                                                                               
 are located on EGT s Line AC to delivery points or pools located in EGT s South Pooling Area.  Meters                                                                                                                                                    
 include but are not limited to the following;                                                                                                                                                                                                            
 MP# 802267 MRT at Glendale                                                                                                                                                                                                                               
 MP# 803500 NGPL at Hot Springs                                                                                                                                                                                                                           
 EGT will not be capable of supporting non-ratable IT services in EGT s South Pooling area.  Shippers with                                                                                                                                                
 delivery points in EGT s South Pooling Area should nominate from their primary receipt point to their                                                                                                                                                    
 primary delivery point in order to maintain the highest priority level of service.                                                                                                                                                                       
 This alert will be updated should more information become available throughout the series of digs. If                                                                                                                                                    
 you have any questions concerning this Alert, please contact your Scheduling Representative.                                                                                                                                                             
                                                                                                                                                                                                                                                          
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