Transco Pipeline Notice 16604115

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TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC

Critical:	Y
Notice Eff Date:	02/28/2026
Notice Eff Time:	09:00:00 CST
Notice End Date:	03/04/2026
Notice End Time:	09:00:00 CST
Notice ID:	16604115
Notice Stat Desc:	Initiate
Notice Type Desc:	OFO
Post Date:	02/25/2026
Post Time:	15:55:44 CST
Prior Notice:	0
Reqrd Rsp Desc:	Immediate response required of an operational nature may be required of impacted shippers
Rsp Date:
Rsp Time:
TSP:	007933021
TSP Name:	TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC

Notice Text:

Subject: Operational Flow Order - Imbalance

Transco provides notice of limited flexibility to manage imbalances due to the forecased temperatures in Zone 6 where system line pack and storage levels must be maintained for safe and reliable operations. Transco recommends shippers continue to maintain a concurrent balance of receipts and deliveries.

In order to ensure the integrity of system line pack and storage levels during this weather event, Transco is issuing the Operational Flow Order (OFO) as indicated below.

Beginning Gas Day:	Saturday, February 28, 2026 9:00 AM CT	Sunday, March 1, 2026 9:00 AM CT	Monday, March 2, 2026 9:00 AM CT
Ending Gas Day:	Sunday, March 1, 2026 9:00 AM CT	Monday, March 2, 2026 9:00 AM CT	Wednesday, March 4, 2026 9:00 AM CT
OFO Area(s):	Zone 6	Zone 6	Zone 6
Tariff Reference for OFO Issuance:*	(c),(d)	(c),(d)	(c),(d)
Type of OFO:	Imbalance	Imbalance	Imbalance
Type of Imbalance:	Due From Shipper & Due To Shipper	Due From Shipper	Due From Shipper
Transactions Include:	Deliveries**	Deliveries**	Deliveries**
Beginning Cycle:	Timely	Timely	Timely
Tolerance % Allowed (or 1000 dth, Zone whichever is greater):	Due From Shipper 7% & Due To Shipper 7%	Due From Shipper 7%	Due From Shipper 5%
Affected Shipper(s) (DUNS #):****
Affected Location(s) (DRN #/Loc ID):*****	All	All	All
Retro Scheduling Available	Yes	Yes	Yes
OBA Subject to OFO:	No	No	No
If Yes, OBA Parties (DUNS #):***

*Circumstances under which Seller may determine that an OFO must be issued include, but are not limited to in Section 52.2 of Transco's FERC Gas Tariff General Terms and Conditions:

(a) Responding to an event of force majeure;

(b) Accommodating capacity limitations resulting from the need to perform maintenance and/or repairs;

(d) Maintaining operational pressures and adequate gas supplies required to provide an efficient and reliable firm service;

(e) Responding to any event which Seller believes in its sole judgment may jeopardize the integrity of its system.

** OFO based on all transactions with deliveries in affected OFO area.

***OFO based on all transactions with receipts in affected OFO area.

**** If specific DUNS #s have been identified, only imbalances created by those shippers/OBA parties will be subject to the OFO provisions.

*****If specific DRN #/Loc ID's have been identified, only imbalances created at those location(s) will be subject to the OFO provisions.

This OFO is directed to shippers consistent with Section 52 of Transco's FERC Gas Tariff General Terms and Conditions with a minimum of $50 per dt per day penalty. This OFO will continue until further notice. Buyers with imbalances greater than the allowed tolerance will be subject to penalties specified in Section 52 of Transco's FERC Gas Tariff General Terms and Conditions.

Additional information on Operational Flow Orders is available at this link:

http://www.1line.williams.com/Transco/files/training/Critical_Day.pdf

Please contact your Transportation Services Representative if you have any questions.

Transco Pipeline Notice 16604115

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