TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 105597 Notice Type: Phone List Subject: WEEKEND ON-CALL 05/02/2026 THROUGH 05/03/2026 Critical: N Post Date/Time: 04/30/2026 09:14 AM Notice Status: Supersede Prior Notice: 105595 For Gas Day(s): 04/26/2026 - 05/03/2026 Notice Effective Date/Time: 04/27/2026 08:00 AM Notice End Date/Time: 05/04/2026 08:00 AM Required Response Indicator Description: 5-No response required Customer Service and Business Development Date Team Name Phone Hours Cell Phone 5/2/2026 - 5/3/2026 Customer Service LeColst, Tiffany (402) 398-7890 6:30 AM - 2:00 PM (402) 953-6712 5/2/2026 - 5/3/2026 Customer Service Humann, Braden (402) 398-7976 6:30 AM - 2:00 PM (402) 995-1153 5/2/2026 - 5/3/2026 Customer Service Martin, Carter (402) 398-7532 2:00 PM - 10:00 PM (402) 672-4366 5/2/2026 - 5/3/2026 Customer Service Jenson, Jeff (402) 398-7050 2:00 PM - 10:00 PM (531) 213-7941 5/2/2026 - 5/3/2026 Contracts Krohn, Tracy (402) 398-7632 8:00 AM - 5:00 PM (402) 249-4837 5/2/2026 - 5/3/2026 Pricing and Storage Moulton, Mark (402) 398-7862 8:00 AM - 5:00 PM (402) 401-9297 5/2/2026 - 5/3/2026 EDI Hajek, Brandon (402) 949-7183 8:00 AM - 5:00 PM (402) 218-0527