NATGAS PIPELINE CRITICAL NOTICE: Northwest Pipeline Rocky Mountain Pool Looping Related to Vernal Outage

( 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: Northwest Pipeline Notice Type Description: OTHER Posted Date: 10/14/2026 4:12 PM MCT Effective Date: 10/14/2026 4:12 PM MCT End Date: N/A Subject: Rocky Mountain Pool Looping Related to Vernal Outage Posting Text: As indicated in All Shippers Notice #26-204, Northwest is currently performing maintenance at the Vernal Compressor Station that restricts available capacity to net 0 Dth/d northbound or net 0 Dth/d southbound through Gas Day October 19, 2026. Northwest is aware of pool looping impacts occurring within the Rocky Mountain Pool during the outage period. These impacts are being reflected in the Intraday sub-cycle 3 scheduling cycles and are the result of constraints and interactions within Northwest's scheduling model. At this time, there is no manual override or system modification that can be implemented prior to the completion of the outage. Therefore, for the remainder of