TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 101678 Notice Type: Pipeline Conditions Subject: WEEKEND OUTLOOK JANUARY 30-31, 2026 Location: MARKET AREA Critical: N Post Date/Time: 01/28/2026 03:00 PM Notice Status: Initiate For Gas Day(s): 01/30/2026 - 01/31/2026 Notice Effective Date/Time: 01/30/2026 09:00 AM Notice End Date/Time: 02/01/2026 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 weekend. Based on the temperatures and system conditions that are currently forecast through the 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 Friday, January 30, 2026, will be 50% · Gas Day Saturday, January 31, 2026, will be 50% SOL and related System Management Service (SMS) status will be as follows in the Market Area: · Gas Day Friday, January 30, 2026, will have an SOL with 0% SMS · Gas Day Saturday, January 31, 2026, will have an SOL with 0% SMS 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.