TSP Name: Northern Natural Gas Company TSP: 784158214 Notice ID: 076111 Notice Type: TSP Capacity Offering Subject: RESULTS: FIELD AND FIELD TO DEMARC EXPANSION OPEN SEASON Critical: N Post Date/Time: 03/28/2024 11:45 AM Notice Status: Terminate For Gas Day(s): 03/28/2024 - 04/05/2024 Notice Effective Date/Time: 03/28/2024 11:45 AM Notice End Date/Time: 04/05/2024 05:00 PM Required Response Indicator Description: 5-No response required Notice Text: Northern held an open season for throughput service commencing on November 1, 2024, for deliveries in Northern's Field Area including deliveries to NNG Field/Market Demarcation-16B (POI 37654). The open season began March 21, 2024, and concluded at 5 p.m. CCT on March 27, 2024. Northern received binding bids that were evaluated pursuant to the terms of the open season. Bid 5 was rejected due to contingencies in the bid. The net present value analysis of the customers' bids is shown below: Bid Number 1 2 3 4 5 6 Start Date 11/1/25 11/1/25 11/1/24 11/1/24 11/1/25 11/1/24 End Date 10/31/32 10/31/32 10/31/25 10/31/25 3/31/33 10/31/25 Season Annual Annual Annual Annual Annual Annual Bid Volume 24,000 63,000 5,000 5,000 24,000 22,500 Expansion Rate Bid $0.5500 $0.2000 N/A N/A $0.3450 N/A Bid Rate Less Capital Recovery $0.2382 $0.0549 $0.5500 Max $0.0332 Max Rate Type Negotiated 1-pt Discounted 1-pt Negotiated 1-pt 2-pt Negotiated 1-pt 2-pt Primary Receipt Location(s) 79613 79613 62148 62148 62148, 1709, 79064 61334, 60667 Primary Delivery Location(s) 37654 79311, 152, 79398 37654 37654 37654 37654 Aggregate Bid NPV Per Unit* $331.609 $79.964 $115.541 $115.541 N/A $115.541 Total NPV of Bid $7,958,627 $5,037,721 $577,706 $577,706 N/A $2,599,675 *FERC Interest Rate 8.50% If you have questions, please contact your marketing representative.