TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 110272 Notice Type: Customer Service Update Subject: WEBSITE UPDATE Critical: N Post Date/Time: 08/06/2026 10:30 AM Notice Status: Initiate For Gas Day(s): 08/11/2026 - 08/12/2026 Notice Effective Date/Time: 08/11/2026 09:00 AM Notice End Date/Time: 08/13/2026 08:59 AM Required Response Indicator Description: 5-No response required Notice Text: An updated version of Northern's website is scheduled to launch Tuesday, August 11, 2026. As part of this update, customers will notice a refreshed look and feel designed to improve usability, navigation, and the overall user experience. Customers using bookmarked pages or saved links may be redirected to Northern's homepage following the update. Website content and functionality will remain familiar, and users can easily navigate to their desired page and update any saved bookmarks as needed. If you have any questions, contact your customer service or marketing representative.