HOUSTON, TEXAS--(Marketwired - Oct. 27, 2014) - Northern Border Pipeline Company announced today the commencement of a one-month, non-binding open season to gauge shipper interest in a pipeline project to transport natural gas from the Bakken area of North Dakota into its pipeline system.

The proposed Bakken Header Supply Lateral Project will consist of approximately 64 miles of 16-inch diameter pipeline, compression and related facilities that would extend westward from near the outlet of Hess Corporation's Tioga processing plant in northwestern North Dakota to where it will provide access to additional processing facilities. At full capacity, the project will be capable of transporting up to 295 million cubic feet (MMcf) per day.

"Northern Border has provided market access to Bakken area producers for more than 20 years, and our receipt capability in the area has grown to about 1.7 billion cubic feet (Bcf) per day," said Dean Ferguson, President of the Northern Border operating company. "Our Bakken shippers have the flexibility to sell into the Northern Border mainline or directly hold transportation capacity. In either instance they have access to premium netback markets at Ventura and in the Chicago area."

Ferguson added, "We're excited to introduce the Bakken Header to expand our footprint in the area and provide increased access to these valuable markets. We support North Dakota's objective to reduce the amount of flared natural gas and believe that development of the Bakken Header will add valuable new infrastructure that will help to achieve this goal."

The open season will close on November 26. The expected in service date of the Project is early to mid-2017. Additional information about the proposed Bakken Header Supply Lateral Project is available by contacting Todd Johnson, Director Business Development at 832-320-5724 todd_r_johnson@transcanada.com.

Northern Border Pipeline is a major natural gas transportation system that links the Midwestern U.S. with reserves in the Western Canadian Sedimentary Basin, the Williston and Powder River Basins in the United States and synthetic natural gas produced at the Dakota Gasification plant in North Dakota. The Northern Border Pipeline Company is a general partnership owned by TC PipeLines, LP and ONEOK Partners, L.P. TransCanada Northern Border Inc. serves as the operator of Northern Border Pipeline. For more information, see http://www.northernborder.com.

About TC Pipelines, LP

TC PipeLines, LP is a Delaware master limited partnership with interests in six federally regulated U.S. interstate natural gas pipelines which serve markets in Western and Midwestern United States. The Partnership is managed by its general partner, TC PipeLines GP, Inc., a subsidiary of TransCanada Corporation (NYSE:TRP). For more information about TC PipeLines, LP, visit the Partnership's website at www.TCPipeLinesLP.com.

About ONEOK Partners, L.P.

ONEOK Partners, L.P. (pronounced ONE-OAK) (NYSE:OKS) is one of the largest publicly traded master limited partnerships in the United States and is a leader in the gathering, processing, storage and transportation of natural gas in the U.S. and owns one of the nation's premier natural gas liquids (NGL) systems, connecting NGL supply in the Mid-Continent and Rocky Mountain regions with key market centers. Its general partner is a wholly owned subsidiary of ONEOK, Inc. (NYSE:OKE), a pure-play, publicly traded general partner, which owns 38.5 percent of the overall partnership interest as of June 30, 2014. For more information, visit the website at www.oneokpartners.com.

Forward-Looking Statements

Certain non-historical statements in this release relating to the proposed Bakken Header Supply Lateral Project are intended to be "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements are based on current expectations and, therefore, subject to a variety of risks and uncertainties that could cause actual results to differ materially from the projections, anticipated results or other expectations expressed in this release. Factors that could cause future results to differ materially from those anticipated are discussed in Item 1A in the Annual Report on Form 10-K for the year-ended December 31, 2013 of TC PipeLines, LP and ONEOK Partners, L.P., as updated and supplemented by subsequent filings with the Securities Exchange Commission. All forward-looking statements are made only as of the date made and except as required by applicable law, we undertake no obligation to update any forward-looking statements to reflect new information, subsequent events or other changes.

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