TSP:                                     872670161
 TSP Name:                                ENABLE GAS TRANSMISSION, LLC
 Critical Notice Description:             Not a critical notice
 Notice Effective Date:                   07/15/2021
 Notice Effective Time:                   09:55
 Notice End Date:                         00/00/0000
 Notice End Time:                         00:00
 Notice Identifier:                       4569
 Notice Status Description:               Initiate
 Notice Type:                             Planned Service Outage
 Posting Date/Time:                       07/15/2021 09:54
 Required Response Indicator Description: No response required
 Response Date:
 Response Time:
 Subject:                                 PLANNED SERVICE OUTAGE

 Notice Text:

 Revision   Start Date      End Date   Prev Start DPrev End  Date             Line / Facility           Pooling Area    Line                           Maintenance                        Potential Impact
     N       6/21/2021        TBD                                        Line J (Denmark to Bay)            North      Line J                        Cleaning Pig Run                            1
     N       6/25/2021      8/2/2021                                      Line T (Stuttgart, AR)            North      Line T      Stopple bypass / Pig trap install / pipe replacement          1
     N       7/12/2021     7/19/2021                                          Ruston Storage                South      Line F                   EOS Spring Shut In Period                        3
     N       7/12/2021     7/15/2021                                          Amber Station                West 1      Line AD           Unit 4 Exhaust piping / bellows repairs                 1
     N       7/12/2021     7/15/2021                                        Byars Lake Station             West 1      Line AD        Unit 1, 2 service bulletin parts installation              1
     N       7/15/2021     7/15/2021                                     Line J (Denmark to Bay)            North      Line J                        Cleaning pig run
     N       7/19/2021      9/6/2021                                            Line HM-3                   South     Line HM-3           4000 foot replacement / 3 way fittings                 1
     N       7/20/2021     7/21/2021                                             Line AD                   West 1      Line AD            Amber to Ada Cleaning Pig (Tentative)                  2
     N       7/27/2021     7/29/2021                                   Line CP Compressor Stations         Line CP     Line CP           Alto, Vernon, Westdale Emissions Testing                1
     N       9/8/2021       9/8/2021                                          Line 2 North                  North    Line 2 Nort                     Cleaning Pig Run                            1
     N       9/8/2021       9/8/2021                                  Line AC (Malvern to Glendale)        Line AC     Line AC                       Cleaning Pig Run                            1
     N       9/13/2021     9/17/2021                                        Byars Lake Station             West 1      Line AD                        A,B,C Service                              7
     N       9/14/2021     9/18/2021                                             Line CP                    South      Line CP               Cleaning Pig Runs (All sections)                    1
     N       9/20/2021     9/24/2021                                            Line OM-1                   North     Line OM-1                 Line exposure remediation                        8
     N       TBD/Sept       TBD/Sept                                            Line OM-1                   North     Line OM-1                      Cleaning Pig run                            8
     N          TBD           TBD                                               Line OM-1                   North     Line OM-1          AWG Cravens measurment upgrade / hot tap                4
     N       TBD/Sept       TBD/Sept                                          Taylor Station                South      Line S              Isolation and mainline valve removal                  8
     N       9/20/2021     10/15/2021                                  Line J (Ark River to Rd Mt)          North      Line J                   Integrity Digs Inspections                       7
     N       9/21/2021     9/23/2021                                          Allen Station                Neutral     Line AD                   Semi-Annual Maintenance                         7
     N       10/6/2021     10/6/2021                                          Dunn Station                  North      Line J                          Station ESD                               6
     N     Aug - Oct TBD Aug - Oct TBD                                  Line CP (Westdale Station)         Line CP     Line CP  Line section replacement / Pig trap install(Oct 12th - 15t       8
     N      10/11/2021     10/15/2021                               Panola, Westdale, Vernon Stations      Line CP     Line CP       Annual maintenance on all units / Station ESD's             8
     N       10/9/2021     10/14/2021                                         Waskom Plant                  South    Line F-185            Annual plant maintenance (Tentative)                  8
     N      10/12/2021     10/12/2021                                 Line O-1-O (Chandler to Dunn)        Nuetral   Line O-1-O                      Cleaning pig run                            1
     N      10/13/2021     10/14/2021                                           Line S-186                  South    Line S-186              Pressure test line with nitrogen                    3
     N      10/26/2021     10/27/2021                                           Line TM-10                  North    Line TM-10                     Cleaning Pig Runs                            1
     N      12/14/2021     12/16/2021                                       Byars Lake Station             West 1      Line AD                          A Service                                7
     N          TBD           TBD                                                Line J                     North      Line J               Cleaning Pig Run (Bay to Barfield)                  TBD
 1.  No capacity impact is expected at this time.
 2.  Coordinating with necessary loads.
 3.  Based on historical and current throughput, no capacity impact is expected.  In the event nominations increase significantly, restrictions may become necessary.
 4.  Coordinating maintenance with interconnecting pipe to minimize customer impact.  No capacity impact is expected at this time; however, if operating conditions change, affected
       parties will be notified.
 5.  Affected production notified of shut-in during work.
 6.  Customers may experience pressure fluctuations, but no capacity impact is anticipated.
 7.  Based upon customer nominations, restrictions may become necessary.
 8.  Based on all available information, capacity will be impacted.  Capacity reductions will be done in accordance with the provisions of EGT's tariff regarding scheduling and interruption of services.

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