NATGAS PIPELINE CRITICAL NOTICE: Southern Natural Gas Sched Maint Seg 270 Rincon 10 — 16 — 2026

( This is the verbatim text of a critical notification provided by the pipeline operator to its shippers. The information has not been independently verified. This item may be followed by a news story depending on the severity of the incident's impact, if any, on operations. )) Company Name: Southern Natural Gas Notice Type Description: MAINTENANCE Posted Date: 10/12/2026 Effective Date: 10/12/2026 End Date: 10/13/2026 Posting Text: Scheduled Unit Maintenance — Rincon Compressor Station (Segment 270 — Rincon) Elba Express Company's(“EEC”) Operator informed Southern Natural that it will be conducting scheduled unit maintenance at the Rincon compressor station (Segment 270 — Rincon) located in Effingham County, GA on Friday October 16, 2026. As a result, Segment 270 (Rincon) capacity of 960 Mdth/d will be reduced by 107 Mdth/d to 853 Mdth/d effective Timely Cycle, gas day Friday October 16, 2026, through gas day Saturday, October 17, 2026. Based on current system demand, Southern is not expecting an impact to SNG Seamless Service, however, should demand increase, there may be an impact to Firm In-Path services, including SNG Seamless Service Contracts. Please continue to r