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Exhibit 21.1

SUBSIDIARIES OF THE COMPANY

Tesoro Corporation is publicly held and has no parent. Certain omitted subsidiaries, considered in the aggregate as a single subsidiary, would not constitute a “significant subsidiary” at the end of the year ended December 31, 2016.

Name of Subsidiary		Incorporated or Organized under Laws of
Tesoro Refining & Marketing Company LLC		Delaware
Tesoro Companies, Inc.		Delaware
Tesoro Alaska Company LLC		Delaware
Tesoro Logistics GP, LLC		Delaware
Tesoro High Plains Pipeline Company LLC		Delaware
Tesoro Logistics Operations LLC		Delaware
Tesoro Logistics LP		Delaware