NATGAS PIPELINE CRITICAL NOTICE: Natural Gas Pipeline SEG 9 (CS167) HOT TAP INSTA — UPD1

( This is the verbatim text of a critical notification provided by the pipeline operator to its shippers. The information has not been independently verified by Reuters. This item may be followed by a news story depending on the severity of the incident's impact, if any, on operations. )) Company Name: Natural Gas Pipeline Notice Type Description: MAINTENANCE Posted Date: 10/15/2026 Effective Date: 10/15/2026 End Date: 10/16/2026 Posting Text: SEGMENT 9 -COMPRESSORSTATION 167 — HOT TAP INSTALLATION — UPDATE 1 The schedulingimpact has changed as noted below. See previous Notice ID 47282. As posted on Natural's OutageImpact Report (X26-1186280 and X26-1186271) Natural will be performing multiplehot tap installation work on the Permian #1 line near CompressorStation 167 (CS 167) located in Lea County, New Mexico (Segment 9 of Natural's PermianZone). This work requires Natural to reduce its operating capacity, thuslimiting Natural's throughput capacity northbound through Compressor Station167 (CS 167). The transportscheduling constraint will be at CS 167; therefore, any gas received south ofCS 167 for delivery north of CS 167 into Segment 8 will be impacted for theduration of this rest