REGISTRATION RIGHTS AGREEMENT dated as of June 22, 2006 between NORTHWEST PIPELINE CORPORATION and CALYON SECURITIES (USA) INC. on behalf of themselves and the Initial Purchasers listed on Schedule I heretoRegistration Rights Agreement • June 23rd, 2006 • Northwest Pipeline Corp • Natural gas transmission • New York
Contract Type FiledJune 23rd, 2006 Company Industry JurisdictionThis Agreement is made pursuant to the Purchase Agreement dated as of June 19, 2006, among the Company and J.P. Morgan Securities Inc. and Calyon Securities (USA) Inc., as representatives of the Initial Purchasers (the “Purchase Agreement”), which provides for the sale by the Company to the Initial Purchasers of $175,000,000 principal amount of its 7.00% Senior Notes due 2016 (the “Securities”). The Securities are to be issued pursuant to the provisions of an Indenture dated the date hereof (as amended, supplemented or otherwise modified from time to time, the “Indenture”) by and among the Company and JPMorgan Chase Bank, N.A., as trustee (the “Trustee”).