TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 102494 Notice Type: Pipeline Conditions Subject: HOLIDAY WEEKEND OUTLOOK FEBRUARY 14-17, 2026 Location: MARKET AND FIELD AREAS Critical: N Post Date/Time: 02/12/2026 03:00 PM Notice Status: Initiate For Gas Day(s): 02/14/2026 - 02/17/2026 Notice Effective Date/Time: 02/14/2026 09:00 AM Notice End Date/Time: 02/18/2026 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 holiday weekend. Based on the temperatures and system conditions that are currently forecast throughout the holiday weekend, the Carlton sourcing obligation and System Overrun Limitation (SOL) status are shown below. The Carlton sourcing obligation will be as follows: · Gas Day Saturday, February 14, 2026, will be 0% · Gas Day Sunday, February 15, 2026, will be 0% · Gas Day Monday, February 16, 2026, will be 0% · Gas Day Tuesday, February 17, 2026, 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.