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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: 12/07/2025 2:20:07PM | Notice End Date/Time: 12/08/2025 9:00:00am |
| Post Date/Time: 12/7/2025 2:20:07 PM | Notice ID: 711454 |
| Reqrd Rsp: 1 | Rsp Date: 12/07/2025 |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: Pipeline Conditions as of 12-08-2025 |
Effective Timely Cycle for gas day Monday, December 08, 2025, and continuing until further notice, SNG restricted the following:
OPERATIONAL FLOW ORDERS (OFO)
Type 3 Level 1 OFO North System is in effect for the start of the gas day, Monday, December 8, 2025, until further notice, Notice ID# 711446.
Type 3 Level 1 OFO South System is in effect for the start of the gas day, Monday, December 8, 2025, until further notice, Notice ID# 711445.
RESTRICTIONS (POINT)
· 643201 (TRNSCO/SNG JONESBORO CLAYTON)-D - Exceeds Operating Capacity - Reductions into IT Services
· 660000 (SLNG/SNG CHATHAM)-D - Delivery In Excess Of Receipt Volumes AND/OR Receipt In Excess Of Delivery Volumes - Reductions into OP Services
· 739200 (ATMOS-MS/SNG COLUMBUS LOWNDES)-D - Exceeds Operating Capacity - Reductions into OP Services
RESTRICTIONS (SEGMENT)
· 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
· 400 (GWINVILLE) - Exceeds Operating Capacity - Reductions through OP Services
RESTRICTIONS (LINEPACK)
Payback Due Pipe – None
Payback Due Shipper – Not Accepting Until Further Notice
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 08, 2025 – OFO Until Further Notice
Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Highly Likely (HL)
December 08, 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: 12/07/2025 2:20:07PM | Notice End Date/Time: 12/08/2025 9:00:00am |
| Post Date/Time: 12/7/2025 2:20:07 PM | Notice ID: 711454 |
| Reqrd Rsp: 1 | Rsp Date: 12/07/2025 |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: Pipeline Conditions as of 12-08-2025 |
Effective Timely Cycle for gas day Monday, December 08, 2025, and continuing until further notice, SNG restricted the following:
OPERATIONAL FLOW ORDERS (OFO)
Type 3 Level 1 OFO North System is in effect for the start of the gas day, Monday, December 8, 2025, until further notice, Notice ID# 711446.
Type 3 Level 1 OFO South System is in effect for the start of the gas day, Monday, December 8, 2025, until further notice, Notice ID# 711445.
RESTRICTIONS (POINT)
· 643201 (TRNSCO/SNG JONESBORO CLAYTON)-D - Exceeds Operating Capacity - Reductions into IT Services
· 660000 (SLNG/SNG CHATHAM)-D - Delivery In Excess Of Receipt Volumes AND/OR Receipt In Excess Of Delivery Volumes - Reductions into OP Services
· 739200 (ATMOS-MS/SNG COLUMBUS LOWNDES)-D - Exceeds Operating Capacity - Reductions into OP Services
RESTRICTIONS (SEGMENT)
· 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
· 400 (GWINVILLE) - Exceeds Operating Capacity - Reductions through OP Services
RESTRICTIONS (LINEPACK)
Payback Due Pipe – None
Payback Due Shipper – Not Accepting Until Further Notice
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 08, 2025 – OFO Until Further Notice
Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Highly Likely (HL)
December 08, 2025 – UL for Short and UL for Long Imbalances