TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 104603 Notice Type: Phone List Subject: WEEKEND ON-CALL 04/20/2026 THROUGH 04/27/2026 Critical: N Post Date/Time: 04/20/2026 08:00 AM Notice Status: Supersede Prior Notice: 104019 For Gas Day(s): 04/19/2026 - 04/26/2026 Notice Effective Date/Time: 04/20/2026 08:00 AM Notice End Date/Time: 04/27/2026 08:00 AM Required Response Indicator Description: 5-No response required Customer Service and Business Development Date Team Name Phone Hours Cell Phone 4/25/2026 - 4/26/2026 Customer Service Davis, Kenyell (402) 398-7726 6:30 AM - 2:00 PM (402) 214-2603 4/25/2026 - 4/26/2026 Customer Service Byers, Cory (402) 398-7787 6:30 AM - 2:00 PM (531) 213-7566 4/25/2026 - 4/26/2026 Customer Service Havekost, Caleb (402) 398-7254 2:00 PM - 10:00 PM (531) 213-6079 4/25/2026 - 4/26/2026 Customer Service Nielsen, Eric (402) 398-7338 2:00 PM - 10:00 PM (402) 676-6346 4/25/2026 - 4/26/2026 Contracts Wagner, Ladonna (402) 398-7639 8:00 AM - 5:00 PM (531) 215-2452 4/25/2026 - 4/26/2026 Pricing and Storage Moulton, Mark (402) 398-7862 8:00 AM - 5:00 PM (402) 401-9297 4/25/2026 - 4/26/2026 EDI Hajek, Brandon (402) 949-7183 8:00 AM - 5:00 PM (402) 218-0527