Update- Market and Production Constraints

TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC

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Critical:	Y
Notice Eff Date:	05/21/2026
Notice Eff Time:	07:06:22 CDT
Notice End Date:
Notice End Time:
Notice ID:	16880484
Notice Stat Desc:	Supersede
Notice Type Desc:	Constraint
Post Date:	05/21/2026
Post Time:	07:06:22 CDT
Prior Notice:	16876654
Reqrd Rsp Desc:	No response required
Rsp Date:
Rsp Time:
TSP:	007933021
TSP Name:	TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC

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Notice Text:

Subject: Update- Market and Production Constraints

The available capacity listed below in each section will become effective May 22, 2026. Changes from the previous gas day are highlighted in bold.

The following chart reflects the quantity of available transportation capacity including Primary, Non-Secondary Reverse Path (NSRP), Secondary Firm, and Interruptible at various Throughput Section Boundary (TSB) locations or segment constraints. These TSBs are identified as receipt or delivery based.

Location TSB (L); Segment TSB (S); Maintenance Location TSB (M-L)

The following chart reflects the quantity of available High Burn Limit Value (HBLV) no-notice swing service including Non-Traditional (NT Swing), Secondary (Sec Swing) and Interruptible (IT Swing) at various location or segment HBLV constraints.

Loc ID	Location Name	Zone	Del/Rec	Single Point or Group	Available Capacity Mdt/d
1005046	Duralde M2856	3	Rec	L	460
9003442	Pine Prairie Stg	3	Rec	L	900
9003442	Pine Prairie Stg	3	Del	L	***
1006218	Ragley Trunkline	3	Rec	L	350
9010378	TOD Leidy West Aggregate Receipt MP 101.00	6	Rec	G	OPEN
9010379	TOD Leidy East Aggregate Receipt MP 101.00	6	Rec	G	OPEN
9007682	Leidy Line Aggregate Receipt MP 101.00	6	Rec	G	OPEN
9001342	Martins Creek #3	6	Rec	L	43
1006561	Algonquin - Ctr M4402	6	Del	L	135**
9007962	Raceland I/C	3	Del	L	40
1004123	Terrebonne Sta 62 I/C	3	Del	L	85
1006304	Vinton FGT Meter 4381	2	Del	L	0
9002300	POOLE ROAD	1	Del	L	80

Location (L); Aggregate of Locations (G)

Leidy Aggregate Receipts consist of: Puddlefield, Carverton and Chapin

Markham Aggregate Deliveries consist of:  Markham Channel, Markham Valero, Markham SW #1, and Poole Road

TOD Leidy West consists of: Puddlefield, Carverton and Chapin

TOD Leidy East consists of: Puddlefield, Carverton and Chapin

* 71 Mdt/d Traditional Deliveries and 10 Mdt/d Non-Traditional and Lower Priority Deliveries

** Non-Traditional and Lower Priorities

*** Delivery qty. available only by displacement of scheduled receipt qty.

To the extent that the total nominated quantities or requested HBLV quantities exceed the available capacity/swing in the charts identified above, Transco will adjust these quantities based on its priority of service, in accordance with the General Terms and Conditions of Transco's FERC Gas Tariff.

This information is provided as a summary of significant information that coincides with information currently available under Transco's Operational Capacity report and is intended to provide customers with an easy reference source. Transco may be required to institute capacity restrictions at locations or in segments other than those identified above if operational conditions dictate. As operational conditions change, Transco will provide notice, via 1Line, of any additional segments or locations where transportation services or HBLVs may be limited and of any changes in available capacity in any of the identified areas.

If you have any questions, please contact your Commercial Services Representative.