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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: 04/29/2026 3:26:25PM | Notice End Date/Time: 04/30/2026 9:00:00am |
| Post Date/Time: 4/29/2026 3:26:25 PM | Notice ID: 711936 |
| Reqrd Rsp: 1 | Rsp Date: 04/29/2026 |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: Pipeline Conditions as of 04-30-2026 |
Effective Timely Cycle for gas day Thursday, April 30, 2026, and continuing until further notice, SNG restricted the following:
OPERATIONAL FLOW ORDERS (OFO)
Type 6 OFO for long imbalances will be in effect for the start of the gas day, Friday, May 1, 2026, until further notice, (Notice #711935)
RESTRICTIONS (SEGMENT)
· 30 (ONWARD) - Exceeds Operating Capacity - Reductions into OP Services
· 50 (LOUISVILLE EAST) - Exceeds Operating Capacity - Reductions through OP Services
· 340 (WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services
· 380 (SNG - SESH) - Exceeds Operating Capacity - Reductions into OP Services
· 680 (ALBANY) - 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 # 711727
Type 3 / 4 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))
April 30, 2026 – UL
May 01, 2026 – UL
May 02, 2026 – UL
May 03, 2026 – UL
Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))
April 30, 2026 – UL for Short and UL for Long Imbalances
May 01, 2026 – UL for Short and OFO for Long Imbalances
May 02, 2026 – UL for Short and OFO for Long Imbalances
May 03, 2026 – UL for Short and OFO 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: 04/29/2026 3:26:25PM | Notice End Date/Time: 04/30/2026 9:00:00am |
| Post Date/Time: 4/29/2026 3:26:25 PM | Notice ID: 711936 |
| Reqrd Rsp: 1 | Rsp Date: 04/29/2026 |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: Pipeline Conditions as of 04-30-2026 |
Effective Timely Cycle for gas day Thursday, April 30, 2026, and continuing until further notice, SNG restricted the following:
OPERATIONAL FLOW ORDERS (OFO)
Type 6 OFO for long imbalances will be in effect for the start of the gas day, Friday, May 1, 2026, until further notice, (Notice #711935)
RESTRICTIONS (SEGMENT)
· 30 (ONWARD) - Exceeds Operating Capacity - Reductions into OP Services
· 50 (LOUISVILLE EAST) - Exceeds Operating Capacity - Reductions through OP Services
· 340 (WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services
· 380 (SNG - SESH) - Exceeds Operating Capacity - Reductions into OP Services
· 680 (ALBANY) - 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 # 711727
Type 3 / 4 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))
April 30, 2026 – UL
May 01, 2026 – UL
May 02, 2026 – UL
May 03, 2026 – UL
Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))
April 30, 2026 – UL for Short and UL for Long Imbalances
May 01, 2026 – UL for Short and OFO for Long Imbalances
May 02, 2026 – UL for Short and OFO for Long Imbalances
May 03, 2026 – UL for Short and OFO for Long Imbalances