TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 098928 Notice Type: Pipeline Conditions Subject: HOLIDAY WEEKEND OUTLOOK NOVEMBER 26 - 30, 2025 Location: MARKET AND FIELD AREAS Critical: N Post Date/Time: 11/24/2025 03:00 PM Notice Status: Initiate For Gas Day(s): 11/26/2025 - 11/30/2025 Notice Effective Date/Time: 11/26/2025 09:00 AM Notice End Date/Time: 12/01/2025 08:59 AM Required Response Indicator Description: 5-No response required Notice Text: In an effort to provide timely and useful information that may impact customers' decisions regarding nominated volumes, and to assist customers in scheduling their transportation and storage services, Northern is providing advance notice of system conditions for the upcoming holiday weekend. Based on the temperatures and system conditions that are currently forecast through the holiday weekend, the Carlton sourcing obligation and System Overrun Limitation (SOL) status are shown below. The Carlton sourcing obligation will be as follows for the Market Area: · Gas Day Wednesday, November 26, 2025, will be 0% · Gas Day Thursday, November 27, 2025, will be 0% · Gas Day Friday, November 28, 2025, will be 0% · Gas Day Saturday, November 29, 2025, will be 0% · Gas Day Sunday, November 30, 2025, will be 0% SOL and related System Management Service (SMS) status will be as follows: · No SOL For information regarding storage constraints refer to the Storage Nomination Guidance on the At a Glanceweb page. If you have any questions, please contact your customer service or marketing representative.