TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 067258 Notice Type: TSP Capacity Offering Subject: OPEN SEASON FOR FIELD AND FIELD TO DEMARC APRIL 2023 CAPACITY Critical: N Post Date/Time: 10/31/2022 03:00 PM Notice Status: Terminate For Gas Day(s): 10/31/2022 - 01/18/2023 Notice Effective Date/Time: 11/01/2022 07:00 AM Notice End Date/Time: 01/18/2023 10:45 AM Required Response Indicator Description: 5-No response required Notice Text: Northern is hereby announcing an open season effective immediately for all Field Area capacity for service commencing on April 1, 2023. As Northern is in the process of determining capacity impacts due to summer maintenance outages, details of the open season will be provided at a later date. The close date will be within 60 business days of this notice and is expected to be mid January 2023. From time to time, Northern may release and post portions of open season capacity for incremental or realignment requests from customers that can be bid upon prior to the open season close. If you have questions, please contact your marketing representative.