Southern Natural Gas Notice 711067

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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: 08/17/2025 3:16:44PM	Notice End Date/Time: 08/18/2025 9:00:00am
Post Date/Time: 8/17/2025 3:16:44 PM	Notice ID: 711067
Reqrd Rsp: 1	Rsp Date: 08/17/2025
Notice Stat Desc: INITIATE	Prior Notice:
Subject: Pipeline Conditions as of 08-18-2025

Notice Text:

Effective Timely Cycle for gas day Monday, August 18, 2025, and continuing until further notice, SNG restricted the following:

OPERATIONAL FLOW ORDERS (OFO)

None

RESTRICTIONS (POINT)

· 49128 (TET/SNG KOSCIUSKO ATTALA)-R - Exceeds Operating Capacity - Reductions into IT Services

· 609000 (TEX GAS/SNG KOSCIUSKO ATTALA)-R - Exceeds Operating Capacity - Reductions into IP Services

· 643201 (TRNSCO/SNG JONESBORO CLAYTON)-D - Exceeds Operating Capacity - Reductions into IT Services

RESTRICTIONS (SEGMENT)

· 30 (ONWARD) - Exceeds Operating Capacity - Reductions into OP Services

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

· 250 (WRENS) BH – Exceeds SNG Seamless Contract Capacity - Reductions into OP Services

· 250 (WRENS) - Exceeds SNG Seamless Contract Capacity - Reductions into IT Services

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

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

· 400 (GWINVILLE) - Exceeds Operating Capacity - Reductions through OP Services

· 420 (BAY SPRINGS) - Exceeds Operating Capacity - Reductions through OP Services

· 540 (BRUNSWICK LINE - S MAIN) - Exceeds Operating Capacity - Reductions into OP Services

· 660 (ALBANY CS) - Exceeds Operating Capacity - Reductions through OP Services

· 770 (QUINCY LINE) - Exceeds Operating Capacity

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)

August 18, 2025 – UL

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

August 18, 2025 – UL for Short and UL for Long Imbalances

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: 08/17/2025 3:16:44PM	Notice End Date/Time: 08/18/2025 9:00:00am
Post Date/Time: 8/17/2025 3:16:44 PM	Notice ID: 711067
Reqrd Rsp: 1	Rsp Date: 08/17/2025
Notice Stat Desc: INITIATE	Prior Notice:
Subject: Pipeline Conditions as of 08-18-2025