WBI Energy Transmission, Inc.

Capacity Constraint, 9/23/2021

9/23/2021 - 9/24/2021

Critical - Capacity Constraint
Gas Day: 9/23/2021, Cycle: Timely. The following locations and/or line sections are in a critical situation. Penalties will be imposed at the following locations and/or all locations within the line sections: Line Section(s): 016 Cabin Creek - Hathaway; Capacity Constraint 017 Hathaway - Hardin; Capacity Constraint 018 Hardin - Lovell; Capacity Constraint 019 Madden - Worland; Capacity Constraint 020 Worland - Lovell; Capacity Constraint 021 Lovell - Elk Basin; Capacity Constraint 022 Elk Basin - Billings; Capacity Constraint

Capacity Constraint, 9/22/2021

9/22/2021 - 9/23/2021

Critical - Capacity Constraint
Gas Day: 9/22/2021, Cycle: Timely. The following locations and/or line sections are in a critical situation. Penalties will be imposed at the following locations and/or all locations within the line sections: Line Section(s): 007 Tioga - Bismarck; Capacity Constraint 025 Portal - Tioga; Capacity Constraint 030 Williston - Tioga; Capacity Constraint Location(s): 01011 NBPL-Manning (R); Capacity Constraint

Capacity Constraint Lifted, 9/22/2021	9/22/2021 - 9/23/2021
Critical - Capacity Constraint Gas Day: 9/22/2021, Cycle: Evening Cycle. The following locations and/or line sections have been lifted from a critical situation. Line Section(s): 007 Tioga - Bismarck; Capacity Constraint 025 Portal - Tioga; Capacity Constraint 030 Williston - Tioga; Capacity Constraint

Right of First Refusal

9/16/2021 - 10/15/2021

Other
Pursuant to Section 48.5.1 of WBI Energy Transmissions FERC Gas Tariff, Third Revised Volume No. 1 (Tariff), the following capacity will be available on August 1, 2022. Bids for this capacity must be submitted within thirty (30) days of this posting in accordance with the procedures specified in Subsection 23.4.2 and 23.4.3 of the Tariff. Interested parties may submit bids electronically via the Customer Activities\Uncommitted Capacity\Uncommitted Cap Req\Bid link. Such capacity is posted as Request No. 1063. Bidding will close with the close of business on Friday, October 15, 2021. If you have any questions, please contact the Contracts Department at 701-530-1630 or Lynn Lindblom at 701-530-1604. Path/Qty: Rec: 01395 Stateline I Plant Del: 01406 NBPL-Stateline(D) Qty: 80,000 dkt/d

Fuel and Electric Power Rates

9/10/2021 - 10/11/2021

Rates and Charges
Effective October 1, 2021, as set forth in WBI Energy Transmission's August 31, 2021 filing in Docket No. RP21-1071-000, the proposed new fuel reimbursement percentages are 1.999% for transportation and 0.885% for storage. The proposed new electric power rates are $0.00926 for transportation and $.00342 for storage. If you have any questions, please call Nancy Senger at 701-530-1585 or email at [email protected]

ACA Surcharge 10/1/2021	9/10/2021 - 10/11/2021
Rates and Charges Effective October 1, 2021, the Annual Charge Adjustment(ACA) surcharge will be $0.00120 per dkt

Available Capacity

9/9/2021 - 10/8/2021

TSP Capacity Offering
Pursuant to Subsection 23.4.6 of the General Terms and Conditions of WBI Energy Transmissions FERC Gas Tariff, (Tariff), the following firm transportation and firm storage capacity will be available April 1, 2022. Requests for this capacity must be submitted in accordance with Section 10 of the General Terms and Conditions of the Tariff. Rec Loc: 05069 MIGC-Recluse (R) Del Loc: 01010 NBPL-Manning (D) Route: Baker Storage Path Qty: 5,000 dkt/d Rec Loc: 01011 NBPL-Manning (R) Del Loc: 01010 NBPL-Manning (D) Route: Baker Storage Path Qty: 2,000 dkt/d Maximum Storage Deliverability Quantity: 10,000 dkt/day Maximum Storage Capacity Quantity: 1,510,000 dkt Firm Cycle Quantity: 1,510,000 dkt

Right of First Refusal

9/2/2021 - 10/1/2021

Other
Pursuant to Section 23.4.1 of WBI Energy Transmissions FERC Gas Tariff, Third Revised Volume No. 1 (Tariff), the following capacity will be available on June 3, 2022. Bids for this capacity must be submitted within thirty (30) days of this posting in accordance with the procedures specified in Subsection 23.4.2 and 23.4.3 of the Tariff. Interested parties may submit bids electronically via the Customer Activities\Uncommitted Capacity\Uncommitted Cap Req\Bid link. Such capacity is posted as Request No. 1062. Bidding will close with the close of business on Friday, October 1, 2021. If you have any questions, please contact the Contracts Department at 701-530-1630 or Lynn Lindblom at 701-530-1604. Path/Qty: Rec: 01465 Nesson Plant Del: 01036 NBPL-Charbonneau (D) Route: Flowing Qty: 8,000 dkt/d

Right of First Refusal

8/30/2021 - 9/28/2021

Other
Pursuant to Section 23.4.1 of WBI Energy Transmissions FERC Gas Tariff, Third Revised Volume No. 1 (Tariff), the following capacity will be available on June 3, 2022. Bids for this capacity must be submitted within thirty (30) days of this posting in accordance with the procedures specified in Subsection 23.4.2 and 23.4.3 of the Tariff. Interested parties may submit bids electronically via the Customer Activities\Uncommitted Capacity\Uncommitted Cap Req\Bid link. Such capacity is posted as Request No. 1061. Bidding will close with the close of business on Tuesday, September 28, 2021. If you have any questions, please contact the Contracts Department at 701-530-1630 or Lynn Lindblom at 701-530-1604. Path/Qty: Rec: 00991 Springbrook Plant Del: 01036 NBPL-Charbonneau (D) Route: Flowing Qty: 2,500 dkt/d

WBI Energy 2021 Holiday Office Hours

12/16/2020 - 1/1/2022

Customer Services Update
WBI Energy Transmissions office will be closed the following holidays: January 1, 2021 New Years Day February 15, 2021 Presidents Day May 31, 2021 Memorial Day July 5, 2021 Independence Day September 6, 2021 Labor Day November 11, 2021 Veterans Day November 25 & 26, 2021 Thanksgiving December 23 & 24, 2021 Christmas Nominations staff will continue to be available for all nomination cycles. For scheduling questions, please contact the nominations staff at 701-530-1630

Gas Day	Cycle	Description	Location	Line Section
9/23/2021	Timely	Cabin Creek - Hathaway		016
9/23/2021	Timely	Hathaway - Hardin		017
9/23/2021	Timely	Hardin - Lovell		018
9/23/2021	Timely	Madden - Worland		019
9/23/2021	Timely	Worland - Lovell		020
9/23/2021	Timely	Lovell - Elk Basin		021
9/23/2021	Timely	Elk Basin - Billings		022