TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 098968 Notice Type: Phone List Subject: WEEKEND ON-CALL 12/8/2025 THROUGH 12/15/2025 Critical: N Post Date/Time: 12/08/2025 08:00 AM Notice Status: Initiate For Gas Day(s): 12/07/2025 - 12/14/2025 Notice Effective Date/Time: 12/08/2025 08:00 AM Notice End Date/Time: 12/15/2025 08:00 AM Required Response Indicator Description: 5-No response required Customer Service and Business Development Date Team Name Phone Hours Cell Phone 12/13/2025 - 12/14/2025 Customer Service Jensen, Jeff (402) 398-7051 2:00 PM - 10:00 PM (531) 213-7941 12/13/2025 - 12/14/2025 Customer Service Nielsen, Eric (402) 398-7338 2:00 PM - 10:00 PM (402) 676-6346 12/13/2025 - 12/14/2025 Customer Service Le Colst, Tiffany (402) 398-7890 6:30 AM - 2:00 PM (402) 953-6712 12/13/2025 - 12/14/2025 Customer Service Slone, Steve (402) 398-7381 6:30 AM - 2:00 PM (402) 238-8926 12/13/2025 - 12/14/2025 Contracts Wagner, Ladonna (402) 398-7639 8:00 AM - 5:00 PM (531) 215-2452 12/13/2025 - 12/14/2025 Pricing and Storage Pritchard, John (402) 398-7383 8:00 AM - 5:00 PM (402) 681-9646 12/13/2025 - 12/14/2025 EDI Hajek, Brandon (402) 949-7183 8:00 AM - 5:00 PM (402) 218-0527 12/13/2025 - 12/14/2025 Marketing Warnemunde, Jason (402) 398-7142 8:00 AM - 5:00 PM (402) 672-9014