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): November 9, 2009

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))

Tesoro Corporation (or the “Company”) on November 9, 2009 issued a press release announcing financial results for its third quarter ended September 30, 2009 and 2010 Capital Budget. The press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information above is being furnished, not filed, pursuant to Item 2.02 of Form 8-K. Accordingly, the information in Item 2.02 of this Current Report, including the press release, will not be incorporated by reference into any registration statement filed by the Company under the Securities Act of 1933, as amended, unless specifically identified therein as being incorporated by reference.

(d)	Exhibits.

	99.1	Press release announcing third quarter financial results issued on November 9, 2009 by Tesoro Corporation.

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:	November 9, 2009

		TESORO CORPORATION


		By:	/s/ GREGORY A. WRIGHT
			Gregory A. Wright
			Executive Vice President and Chief Financial Officer

Exhibit Number		Description

99.1		Press release announcing third quarter financial results issued on November 9, 2009 by Tesoro Corporation.