1 Exhibit 10-E.4 AMENDMENT THIS AMENDMENT is entered into as of the 1st day of November, 1995, by and between NORTHWEST PIPELINE CORPORATION, hereinafter referred to as "Transporter", and WASHINGTON NATURAL GAS COMPANY, hereinafter referred to as "Shipper". RECITALS: A. Transporter and Shipper are parties to that certain firm Transportation Agreement (#F-120) dated August 15, 1994 ("Agreement"). B. Transporter and Shipper have entered into various amendments which were effective upon the inservice date of the upgrade to various meter stations and/or the inservice date of new meter stations. C. Transporter and Shipper desire to enter into this Amendment to update the Agreement to reflect receipt and delivery points and volumes on Exhibits "A" and "B" effective and inservice as of November 1, 1995. AGREEMENT: NOW, THEREFORE, in consideration of the premises and mutual covenants contained herein, the parties agree as follows: 1. Exhibits "A" and "B" of the Agreement shall be deleted in their entirety and the attached Exhibits "A" and "B" to this Amendment shall be added to and made a part of the Agreement, effective November 1, 1995. 2. Except as amended herein, the Agreement shall remain in full force and effect. 3. This Amendment shall be binding upon and inure to the benefit of the parties hereto and any successors or assigns of such parties. 4. This Amendment may be executed in any number of counterparts. IN WITNESS WHEREOF, the parties hereto have executed two duplicate original copies of this Amendment as of the date and year first written above. NORTHWEST PIPELINE CORPORATION By --------------------------------- Joe H. Fields Attorney-In-Fact ATTEST: WASHINGTON NATURAL GAS COMPANY By By ------------------------------ ------------------------------ Title: General Manager Name: John F. Stefani Gas Supply & Pipeline Svcs. Title: VP, Gas Supply & Ind. Svcs. 2 EXHIBIT "A" to the TRANSPORTATION AGREEMENT ("F-120") Dated July 31, 1991 (As Amended Effective November 1, 1995) between NORTHWEST PIPELINE CORPORATION and WASHINGTON NATURAL GAS COMPANY RECEIPT POINTS Maximum Daily Receipt Points Quantity ("MDQ")(1) - -------------- ---------------- Sumas 13,030 Blanco (INWPLBLA) 5,400 Total 18,430 (1) The total of the MDQ's must equal total transportation contract demand as set forth in Section 1.1 - 2 - 3 EXHIBIT "B" to the TRANSPORTATION AGREEMENT ("F-120") DATED August 15, 1994 (As Amended November 1, 1995) between NORTHWEST PIPELINE CORPORATION and WASHINGTON NATURAL GAS COMPANY DELIVERY POINTS Maximum Daily Delivery Obligation ("MDDO") Primary for each Delivery Delivery Point Delivery Point Pressure - -------------- -------------- -------- (MMBtu) (psig) Evergreen Shores-Black Lake 1,710 350 Machias 817 250 May Valley 1,250 250 North Puyallup 3,333 250 Olympia 11,320 400 ------ Total 18,430 - 3 -