TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 100299 Notice Type: Phone List Subject: HOLIDAY WEEKEND ON-CALL 01/01/2026 THROUGH 01/04/2026 Critical: N Post Date/Time: 12/29/2025 11:05 AM Notice Status: Supersede Prior Notice: 099943 For Gas Day(s): 12/28/2025 - 01/04/2026 Notice Effective Date/Time: 12/29/2025 08:00 AM Notice End Date/Time: 01/05/2026 08:00 AM Required Response Indicator Description: 5-No response required Customer Service and Business Development Date Team Name Phone Hours Cell Phone 1/1/2026 - 1/4/2026 Customer Service Driver, Amy (402) 398-7493 2:00 PM - 10:00 PM (402) 618-8308 1/1/2026 - 1/4/2026 Customer Service Goth, Hayden (402) 398-7488 2:00 PM - 10:00 PM (402) 999-6964 1/1/2026 - 1/4/2026 Customer Service Martin, Carter (402) 398-7532 6:30 AM - 2:00 PM (402) 672-4366 1/1/2026 - 1/4/2026 Customer Service Jenson, Jeff (402) 398-7050 6:30 AM - 2:00 PM (531) 213-7941 1/1/2026 - 1/4/2026 Contracts Wagner, Ladonna (402) 398-7639 8:00 AM - 5:00 PM (531) 215-2452 1/1/2026 - 1/4/2026 Pricing and Storage Moutlton, Mark (402) 398-7862 8:00 AM - 5:00 PM (402) 401-9297 1/1/2026 - 1/4/2026 EDI Hajek, Brandon (402) 949-7183 8:00 AM - 5:00 PM (402) 218-0527 1/1/2026 - 1/1/2026 Marketing Korbelik, Stephanie (402) 398-7408 8:00 AM - 5:00 PM (402) 490-9246 1/3/2026 - 1/4/2026 Marketing Underwood, Mike (651) 456-1780 8:00 AM - 5:00 PM (612) 751-1609