POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that I hereby constitute and
appoint Kim K.W. Rucker, Carrie P. Ryan and Jean M. Mosel, and each of them, as my
true and lawful attorney-in-fact and agent and in my name, place and stead, in any and all
capacities, to sign any or all Forms 3, 4, and 5 relating to equity securities of Tesoro
Logistics LP (the "Company") pursuant to the requirements of Section 16 of the
Securities Exchange Act of 1934, and to file the same with the Securities and Exchange
Commission and the New York Stock Exchange, granting unto said attorney-in-fact and
agent full power and authority to do and perform each and every act and thing requisite
and necessary to be done in about the premises, as fully to all intents and purposes as I
might or could do in person, hereby ratifying and affirming all that said attorney-in-fact
and agent may lawfully do or cause to be done by virtue hereof. This authorization,
unless earlier revoked by me in writing, shall be valid until my reporting obligations
under Section 16 with respect to equity securities of the Company shall cease.
Date: August 16,2016
Stephan E. Tompsett
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