H-557 and H-147 Unplanned Pipeline Pigging 09-01-26

08-27-2026 13:50:00

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System Wide Notice Detail

TSP Name:

EQUITRANS, L.P.

TSP:

189569585

Post Date/Time:

Thu Aug 27 13:50:00 GMT 2026

Subject:

H-557 and H-147 Unplanned Pipeline Pigging 09-01-26

Notice Type:

OPERATIONAL FLOW ORDER/CURTAILMENT

Notice ID:

138005

Notice Status Desc:

Initiate

Critical Desc:

Critical Notice

Notice Eff Date:

08-27-2026

Notice Eff Time:

13:50:00

Notice End Date:

11-30-2026

Notice End Time:

23:59:59

Required Response Indicator Description:

NO RESPONSE REQUIRED

Notice Text:

Equitrans L.P. will perform unplanned pipeline pigging on its H-557 and H-147 Pipelines in Mainline Operational Areas 3 and 4 starting at 7:00 AM ET on
September 01, 2026, and is issuing an OFO in accordance with Section 6.11 of the General Terms and Conditions of its FERC Gas Tariff.

Due to the possibility of fluids during the pig run, all People’s Natural Gas and Hope Gas Delivery/Receipt points between Lumberport MR (coordinates
39.39064 / -80.34555) and Pratt Compressor Station (coordinates 39.91215 / -80.12917) must shut in on its H-557, and H-147 Pipelines by 7:00 AM ET on
September 01, 2026, and remain shut in for the duration of the pig run.

In conjunction with this maintenance, the following Customer Receipt Meters must shut in by 7:00 AM ET on September 01, 2026, and remain shut in for the
duration of the pig run.

Meters:
#24622 (Harbert)
#24560 (Fairview)
#M5433033 (Potoczny)
#24607 (Grant Town)
#11604 (Dyers Fork)

Additionally, in conjunction with this pigging, customers may experience higher than normal pressures on the following pipelines in Mainline Operational
Area 2, Mainline Operational Area 3 and Mainline Operational Area 4:H-111, H-115, H-147, GSF-912, GSF-993, H-557, GSF-604, H-527, H-515, H-518,
H-511, H-509, and H-508.

Equitrans L.P. will notify impacted parties of anticipated point specific volume reductions.

08-27-2026 13:50:00

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This action is pursuant to Sections 6.11 of the General Terms and Conditions of Equitrans’ FERC Gas Tariff. If Customer and/or Customer's supplier,
operator, or transporter fails to comply with the terms of an OFO, such Customer shall (a) be liable for any damages including, but not limited to, direct
consequential exemplary, or punitive damages incurred by Equitrans or any other party as a result of such failure, and (b) be subject to a penalty of three (3)
times the Midpoint price reported for Texas Eastern, M-2 receipts or Eastern Gas, South. whichever is greater, as published in Platts Gas Daily, or similar
publication, times the quantity of gas by which the Customer deviated from an OFO. No penalties will be imposed against a customer for failure to comply
with OFO when Equitrans determines that compliance with an OFO is beyond the Customer's control and capabilities.

The estimated duration of the pigging is 12 hours. Upon completion of the maintenance, the OFO will expire, and Equitrans L.P. will notify impacted parties
when they can turn back in line.

Customers should monitor Equitrans’ Informational Postings website for updates to this notice.

*This data represents data available within the last 3 months. For prior data to this time period, please contact your customer service representative.