Informational Postings :: Southern Natural Gas Company, L.L.C.

Notice Detail

TSP/TSP Name: 6900518-SOUTHERN NATURAL GAS CO.	Critical: Y
Notice Type Desc (1): PIPELINE CONDITIONS	Notice Type Desc (2): CURRENT PIPELINE CONDITIONS
Notice Eff Date/Time: 12/12/2025 2:53:13PM	Notice End Date/Time: 12/13/2025 9:00:00am
Post Date/Time: 12/12/2025 2:53:13 PM	Notice ID: 711482
Reqrd Rsp: 1	Rsp Date: 12/12/2025
Notice Stat Desc: INITIATE	Prior Notice:
Subject: Pipeline Conditions as of 12-13-2025

Notice Text:

Effective Timely Cycle for gas day Saturday, December 13, 2025, and continuing until further notice, SNG restricted the following:

OPERATIONAL FLOW ORDERS (OFO)

Type 3 Level 1 OFO North System will be in effect for the start of the gas day, Sunday, December 14, 2025, until further notice, Notice ID # 711477

Type 3 Level 1 OFO South System will be in effect for the start of the gas day, Sunday, December 14, 2025, until further notice, Notice ID # 711478

RESTRICTIONS (SEGMENT)

· 50 (LOUISVILLE EAST) - Exceeds Operating Capacity - Reductions into OP Services

· 340 (WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services

· 380 (SNG - SESH) - Exceeds Operating Capacity - Reductions into OP Services

RESTRICTIONS (LINEPACK)

Payback Due Pipe – None

Payback Due Shipper – None

RESTRICTIONS (STORAGE)

Incremental Interruptible Storage (ISS) Injections not allowed - See Notice # 710565

Type 3 / 4 OFO Probability (Unlikely (UL); Likely (L); Too Close to Call (TC); Highly Likely (HL)

December 13, 2025 – UL

December 14, 2025 – OFO Until Further Notice

Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Highly Likely (HL)

December 13, 2025 – UL for Short and UL for Long Imbalances

December 14, 2025 – UL for Short and UL for Long Imbalances

December 15, 2025 – UL for Short and UL for Long Imbalances