WBI Energy's Eastern North Dakota Natural Gas Pipeline Expansion Project Approved by FERC

October 20, 2023

BISMARCK, N.D., Oct. 20, 2023 /PRNewswire/ -- WBI Energy, Inc.'s Wahpeton Expansion project was approved on Thursday by the Federal Energy Regulatory Commission. This authorizes the company to construct and operate a natural gas pipeline expansion in eastern North Dakota, which will provide more natural gas to customers in Wahpeton and extend natural gas service to Kindred. WBI Energy is a subsidiary of MDU Resources Group, Inc. (NYSE: MDU).

"We appreciate the commission's approval of this project, and the recognition that it will bring much-needed additional natural gas supply to customers and communities in eastern North Dakota," said Rob L. Johnson, president of WBI Energy. "Reliable natural gas service supports economic development and is a critical heating fuel in the region."

For the project, WBI Energy will construct approximately 60 miles of 12-inch natural gas pipeline and ancillary facilities to Wahpeton from an existing compressor station at Mapleton, North Dakota. The expansion will provide an additional 20 million cubic feet of natural gas capacity per day and is expected to cost approximately $75 million. WBI Energy expects to begin construction in early 2024 and have the pipeline in service in late 2024.

The additional capacity will allow Montana-Dakota Utilities Co., another MDU Resources subsidiary, to serve industrial and commercial customers in Wahpeton that have contracts for approximately 10 million cubic feet per day of firm natural gas service, with the remaining capacity used to serve additional residential and commercial service. Demand for natural gas service currently exceeds the current volume of gas that can be delivered on an uninterruptible basis to the city through the existing transmission pipeline.

"We are excited to hear that the Federal Energy Regulatory Commission has approved this project and additional natural gas service will soon be available for Wahpeton," said Wahpeton Mayor Brett Lambrecht. "Our city is a premiere location for value-added agricultural businesses, and reliable natural gas service gives us the ability to further grow our economic resources."

With the additional pipeline capacity available, Montana-Dakota Utilities also will expand natural gas utility service to Kindred, at the request of city officials and residents.

Forward-Looking Statements
Information in this release includes certain forward-looking statements, within the meaning of Section 21E of the Securities Exchange Act of 1934. The forward-looking statements in this release, including information about project timing, performance and cost, as well as statements by the president of WBI Energy, are expressed in good faith and are believed by the company to have a reasonable basis. Nonetheless, actual results may differ materially from the projected results expressed in the forward-looking statements. For a discussion of important factors that could cause actual results to differ materially, refer to Item 1A — Risk Factors in MDU Resources' most recent Form 10-K and Form 10-Q and subsequent filings with the SEC.

About MDU Resources
MDU Resources Group, Inc., a member of the S&P MidCap 400 Index, provides essential products and services through its regulated energy delivery and construction services businesses. For more information about MDU Resources, visit www.mdu.com or contact the Investor Relations Department at investor@mduresources.com.

About WBI Energy
WBI Energy, Inc. provides natural gas transportation and underground storage services through regulated pipeline systems primarily in the Rocky Mountain and northern Great Plains regions of the United States. It also provides nonregulated cathodic protection and other energy-related services. For more information about WBI Energy, visit www.wbienergy.com.

Media Contact: Laura Lueder, manager of communications and public relations, 701-530-1095
Investor Contact: Brent Miller, assistant treasurer, 701-530-1730

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SOURCE MDU Resources Group, Inc.