8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 23, 2016

Tesoro Corporation

(Exact name of registrant as specified in its charter)

Delaware	1-3473	95-0862768
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

19100 Ridgewood Pkwy San Antonio, Texas	78259-1828
(Address of principal executive offices)	(Zip Code)

(210) 626-6000

(Registrant’s telephone number,

including area code)

Not Applicable

(Former name or former address, if

changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2.):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b) On August 23, 2016, the Board of Directors (the “Board”) of Tesoro Corporation (the “Company”) appointed Cynthia J. Warner (who previously served as the Executive Vice President, Strategy and Business Development) to serve as Executive Vice President, Operations of the Company effective August 24, 2016. In her new role, Ms. Warner will have responsibility for the Company’s refining and logistics operations. Simultaneously, the Board appointed Keith M. Casey (who previously served as Executive Vice President, Operations) to serve as Executive Vice President, Marketing and Commercial of the Company effective August 24, 2016. In this role, Mr. Casey will have responsibility for the Company’s marketing, commercial and supply chain operations.

The Press Release announcing these and other officer changes is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

(c) See Item 5.02(b) above.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

99.1 Press release issued August 24, 2016

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: August 24, 2016

TESORO CORPORATION
By:	/s/ STEVEN M. STERIN
	Steven M. Sterin
	Executive Vice President, Chief Financial Officer and Corporate Development

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Index to Exhibits

Exhibit Number	Description
99.1	Press release issued August 24, 2016

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EX-99.1

Exhibit 99.1

TESORO UPDATES EXECUTIVE RESPONSIBILITIES

SAN ANTONIO - August 24, 2016 - Tesoro Corporation (NYSE:TSO) today announced updates to its executive responsibilities.

• Keith Casey, EVP, Operations, will become EVP, Marketing & Commercial, responsible for increasing value capture across all commercial activities within the Company.

• CJ Warner, EVP, Strategy & Business Development, will become EVP, Operations, responsible for driving operating efficiency and effectiveness across Tesoro’s refining and logistics operations.

• In addition to his current responsibilities, Steven Sterin, EVP, Chief Financial Officer, will become EVP, Chief Financial Officer & Corporate Development, also assuming corporate development in support of the Company’s growth plans.

“Tesoro has achieved excellent results over the past several years through focus on and commitment to our strategic priorities. Today, we are announcing changes that will further strengthen our ability to deliver industry leading returns through our integrated value chain business model, drive operational efficiency and effectiveness, and execute our value-driven growth and business development opportunities. These changes will drive increased responsibility and collaboration across the business, leading to improved profitability,” said Greg Goff, Chairman, President and Chief Executive Officer of Tesoro Corporation.

ABOUT TESORO CORPORATION

Tesoro Corporation, a Fortune 100 company, is an independent refiner and marketer of petroleum products. Tesoro, through its subsidiaries, operates seven refineries in the western United States with a combined capacity of over 895,000 barrels per day and ownership in a logistics business, which includes an interest in Tesoro Logistics LP (NYSE: TLLP) and ownership of its general partner. Tesoro's retail-marketing system includes over 2,400 retail stations under the ARCO®, Shell®, Exxon®, Mobil®, USA Gasoline™, Rebel™ and Tesoro® brands.

This press release contains certain statements that are "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements relate to, among other things: the ability of these changes in executive responsibilities to further strengthen our ability to deliver industry leading returns through our integrated value chain business model, drive operational efficiency and effectiveness, and execute our value-driven growth and business development opportunities, as well as the expectation that these changes will drive increased responsibility and collaboration across the business, leading to improved profitability. For more information concerning factors that could affect these statements, see the respective annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K for Tesoro Corporation and Tesoro Logistics LP, filed with the Securities and Exchange Commission. We undertake no obligation to publicly release the result of any revisions to any such forward-looking statements that may be made to reflect events or circumstances that occur, or which we become aware of, after the date hereof.

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