FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Jackson Tracy Dawn 2. Date of Event Requiring Statement (Month/Day/Year) 03/02/2015 3. Issuer Name and Ticker or Trading Symbol TESORO CORP /NEW/ [TSO] (Last) (First) (Middle) 19100 RIDGEWOOD PARKWAY 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP and Controller 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SAN ANTONIO, TX 78259 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 8,031 (1) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Market Stock Unit Award	02/04/2016	  (2)	Common Stock	1,400 (3)	$ (4)	D	Â
Market Stock Unit Award	02/04/2017	  (2)	Common Stock	1,158 (3)	$ (4)	D	Â
Market Stock Unit Award	02/10/2018	  (2)	Common Stock	1,444 (3)	$ (4)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Jackson Tracy Dawn 19100 RIDGEWOOD PARKWAY SAN ANTONIO, TX 78259	Â	Â	  VP and Controller	Â

Signatures

Jean M Mosel ,Attorney-in-Fact for Tracy Dawn Jackson		03/05/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Balance includes 1,581 shares in the Company's thrift account and direct ownership of 6,450 shares.
(2)	The market stock unit award will vest on the date exercisable and will be automatically settled in stock between 50% and 200% of target payout levels.
(3)	Based on contingent right to receive one share of TSO common stock for each market stock unit award at target payout levels as described in footnotes (2) and (4), actual payouts may differ from target amounts.
(4)	Market stock unit award originally granted by the Compensation Committee of the Company's Board of Directors pursuant to the Company's 2011 Long-Term Incentive Plan. The potential payout for the MSU Award at vesting will range from 50% to 200% with payout certified by the Compensation Committee.

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