8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): January 30, 2018

NORTHWEST PIPELINE LLC

(Exact name of registrant as specified in its charter)

Delaware	1-07414	26-1157701
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

295 Chipeta Way, Salt Lake City, Utah	84108
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s Telephone Number, Including Area Code: (801) 583-8800

Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Item 7.01. Regulation FD Disclosure.

On January 30, 2018, Northwest Pipeline LLC (the “Company”) issued a press release announcing that it has commenced an offer to exchange any and all of its $250 million in aggregate principal amount of outstanding 4.000 percent Senior Notes due 2027 (the “Original Notes”) for an equal amount of its registered 4.000 percent Senior Notes due 2027 (the “Exchange Notes”).

The terms of the Exchange Notes are identical in all material respects to those of the Original Notes, except that the Exchange Notes have been registered under the Securities Act of 1933, as amended, and the transfer restrictions, registration rights and additional interest provisions relating to the Original Notes do not apply to the Exchange Notes. The purpose of the Exchange Offer is to fulfill the Company’s obligations under the registration rights agreement entered into in connection with the issuance of the Original Notes. The Company will not receive any proceeds from the exchange offer.

Item 9.01. Financial Statements and Exhibits

(d)    Exhibits.

Exhibit No.	Description
99.1	Press release dated January 30, 2018.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

NORTHWEST PIPELINE LLC
By:	/s/ Peter S. Burgess
	Peter S. Burgess Vice President and Treasurer

DATED: January 30, 2018

EX-99.1

Exhibit 99.1

DATE: Jan. 30, 2018

MEDIA CONTACT:	INVESTOR CONTACT:
Keith Isbell (918) 573-7308	Brett Krieg (918) 573-4614

Williams Partners’ Northwest Pipeline Commences Registered Exchange Offer for its 4.000% Senior Notes Due 2027

TULSA, Okla. – Northwest Pipeline LLC (“Northwest Pipeline”), a wholly owned subsidiary of Williams Partners L.P. (NYSE: WPZ), announced today that it has commenced an offer to exchange any and all of its $250 million in aggregate principal amount of outstanding 4.000% Senior Notes due 2027 (the “Original Notes”) for an equal amount of its registered 4.000% Senior Notes due 2027 (the “Exchange Notes”).

The terms of the Exchange Notes are identical in all material respects to those of the Original Notes, except that the Exchange Notes have been registered under the Securities Act of 1933, as amended, and the transfer restrictions, registration rights and additional interest provisions relating to the Original Notes do not apply to the Exchange Notes. The purpose of the Exchange Offer is to fulfill Northwest Pipeline’s obligations under the registration rights agreement entered into in connection with the issuance of the Original Notes. Northwest Pipeline will not receive any proceeds from the exchange offer.

The exchange offer will expire at 5:00 p.m., New York City time, on February 28, 2018, unless extended (such date and time, as may be extended, the “Expiration Date”). The settlement date for the exchange offer will occur promptly following the Expiration Date. The terms of the exchange offer and other information relating to Northwest Pipeline and the Exchange Notes are set forth in a prospectus dated January 30, 2018, a copy of which has been filed with the Securities and Exchange Commission. Northwest Pipeline has not authorized any person to provide information other than as set forth in the prospectus.

Copies of the prospectus and the transmittal letter governing the exchange offer can be obtained from the exchange agent, The Bank of New York Mellon Trust Company, N.A., by faxing a request to (732) 667-9408 or by writing via regular or certified mail, or overnight courier, to The Bank of New York Mellon Trust Company, N.A., Corporate Trust Operations—Reorganization Unit, 111 Sanders Creek Parkway, East Syracuse, New York, 13057.

This press release is for informational purposes only and does not constitute an offer to sell nor a solicitation of an offer to buy any security. The exchange offer is being made solely pursuant to the prospectus dated Jan. 30, 2018, including any supplements thereto, and only to such persons and in such jurisdictions as is permitted under applicable law.

About Williams Partners

Williams Partners is an industry-leading, large-cap natural gas infrastructure master limited partnership with a strong growth outlook and major positions in key U.S. supply basins. Williams Partners has operations across the natural gas value chain including gathering,

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processing and interstate transportation of natural gas and natural gas liquids. Williams Partners owns and operates more than 33,000 miles of pipelines system wide – including the nation’s largest volume and fastest growing pipeline – providing natural gas for clean-power generation, heating and industrial use. Williams Partners’ operations touch approximately 30 percent of U.S. natural gas. Tulsa, Okla.-based Williams (NYSE: WMB), a premier provider of large-scale U.S. natural gas infrastructure, owns approximately 74 percent of Williams Partners.

Portions of this document may constitute “forward-looking statements” as defined by federal law. Although the partnership believes any such statements are based on reasonable assumptions, there is no assurance that actual outcomes will not be materially different. Additional information about issues that could lead to material changes in performance is contained in the partnership’s annual and quarterly reports filed with the Securities and Exchange Commission.

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