First Amendment to Contribution, Conveyance and Assumption Agreement, dated January 1, 2018, among Andeavor Logistics LP, Tesoro Logistics GP, LLC, Tesoro Logistics Operations LLC, Andeavor, and Tesoro Refining & Marketing Company LLC

This First Amendment to Contribution, Conveyance and Assumption Agreement (this “Amendment”), dated January 1, 2018, but effective as of November 8, 2017 (the “Amendment Effective Date”), is by and among Andeavor Logistics LP, a Delaware limited partnership (the “Partnership”), Tesoro Logistics GP, LLC, a Delaware limited liability company and the general partner of the Partnership (the “General Partner”), Tesoro Logistics Operations LLC, a Delaware limited liability company (the “Operating Company”), Andeavor, a Delaware corporation (“Andeavor”), and Tesoro Refining & Marketing Company LLC, a Delaware limited liability company (“TRMC”). The above-named entities are sometimes referred to in this Agreement individually as a “Party” and collectively as the “Parties.”

WHEREAS, the Parties entered into that certain Contribution, Conveyance and Assumption Agreement dated effective as of November 8, 2017 (the “Original Agreement”); and

WHEREAS, the Parties desire to replace Exhibit A-1 to the Original Agreement with Exhibit A-1 attached hereto.

NOW, THEREFORE, in consideration of the mutual covenants, representations, warranties and agreements herein contained, the Parties hereto agree as follows:

1.     The Parties hereby agree to delete Exhibit A-1 attached to the Original Agreement and replace it in its entirety with Exhibit A-1 attached hereto and incorporated herein by reference.

2.     The Parties hereby confirm and ratify all of the terms and conditions of the Original Agreement, as amended herein, as of the Amendment Effective Date. All terms not defined herein shall have the meanings set forth in the Original Agreement.

IN WITNESS WHEREOF, the Parties to this Agreement have caused it to be duly executed effective as of the Amendment Effective Time.

Sixty-six (66) in service crude and black-oil, petroleum product, and chemicals storage tanks with a total deemed shell capacity of approximately 3.9 million Barrels, thirty-five (35) OOS or incidental tanks, and pipelines and other appurtenances that allow the transport of crude oil and petroleum products to and from the nearby dock and to and from other facilities located at TRMC’s refinery in Anacortes, Washington, and the associated Tank Farm Motor Control Centers. “OOS” designates tanks that are currently out of service. For purposes of this Agreement, the Shell Capacity of each Tank shall be deemed to be the volume stated above, regardless of actual capacity of a Tank that might be obtained by on site measurement or other engineering standards.