TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 100351 Notice Type: Scheduling Alert/Timeline Extension Subject: INTRADAY 2 CYCLE NOMINATION DEADLINE EXTENSION FOR 12/30/2025 Critical: N Post Date/Time: 12/30/2025 02:26 PM Notice Status: Terminate For Gas Day(s): 12/30/2025 Notice Effective Date/Time: 12/30/2025 02:26 PM Notice End Date/Time: 12/30/2025 02:55 PM Required Response Indicator Description: 5-No response required Notice Text: Northern has extended the nomination online/EDI deadline for the Intraday 2 cycle for Gas Day 12/30/2025. The online deadline is 12/30/2025 2:40:00 PM and the EDI deadline is 12/30/2025 2:55:00 PM. For further updates, please contact your customer service representative.