TSP:                                     006968077
 TSP Name:                                ENABLE MISSISSIPPI RIVER TRANSMISSION, LLC
 Critical Notice Description:             Not a critical notice
 Notice Effective Date:                   06/19/2020
 Notice Effective Time:                   12:46
 Notice End Date:                         00/00/0000
 Notice End Time:                         00:00
 Notice Identifier:                       3563
 Notice Status Description:               Initiate
 Notice Type:                             Planned Service Outage
 Posting Date/Time:                       06/19/2020 12:45
 Required Response Indicator Description: No response required
 Response Date:
 Response Time:
 Subject:                                 PLANNED SERVICE OUTAGE

 Notice Text:

 Revision Start Date   End Date   Prev Start DaPrev End  Da                MRT Location                          Line                                 Maintenance                     Potential Impac            SPW
    N     10/3/2019       TBD                                            St Jacob Station                      East Line                            Turbine Repairs                          1                   3298
    N        TBD          TBD                                             Horseshoe Lake               East Line/Alton Line/A206   Suction / Discharge valve and piping replacements        TBD                Required
    N      2/3/2020    9/30/2020                                         Ft Hill Station                      Ft Hill Line                    Unit 7 compressor overhaul                     1                   TBD
    N      4/1/2020    10/1/2020                                       St Genevieve Station                                                       Annual Maintenance                         1                   N/A
    Y      5/4/2020    6/24/2020    5/4/2020    6/19/2020              Twelve Mile Station                   Mainline 2, 3                        Annual Maintenance                         1                   N/A
    N      6/2/2020    9/2/2020                                      St Jacobs Storage Field                 Mainline 2, 3                        Biocide treatment                          1                   N/A
    N     6/24/2020    6/24/2020                                  (Prairie DuRocher to Columbia)               Mainline 2             EMAT Smart Pig Run (Speed Controlled Unit)             1                   N/A
    Y     6/29/2020    7/1/2020     5/19/2020   5/19/2020            (Carlisle to West Point)                  Mainline 2                     Cleaning / Caliper Pig Runs                    1                   N/A
    Y      7/2/2020    7/2/2020     6/3/2020     6/3/2020            (Carlisle to West Point)                  Mainline 2                            Rosen Geo Pig                           1                   N/A
    Y      7/7/2020    7/7/2020     6/4/2020     6/4/2020            (Carlisle to West Point)                  Mainline 2             EMAT Smart Pig Run (Speed Controlled Unit)             1                   N/A
    N     7/13/2020    8/20/2020                                         Twelve Mile Area                    Mainline 2, 3                   Encroachment dig inspections                    1                   N/A
 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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