FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Palmer C. Michael 		2. Issuer Name and Ticker or Trading Symbol

Marathon Petroleum Corp [ MPC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Sr. VP, Supply Distrib. & Plan
(Last)          (First)          (Middle)

C/O MARATHON PETROLEUM CORPORATION, 539 S. MAIN STREET 		3. Date of Earliest Transaction (MM/DD/YYYY)

12/12/2017
(Street)

FINDLAY, OH 45840
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   12/12/2017     M    17298   A $12.87   75055.6795   (1) D    
Common Stock   12/12/2017     S    17298   D $64.55   (2) 57757.6795   D    
Common Stock                  6194.357   (3) I   By 401(k) Plan  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy)   $12.87   (4) 12/12/2017     M         17298   (4)   6/30/2011   (5) 5/26/2020   Common Stock   17298   (4) $0.00   0   D    

Explanation of Responses:
(1)  Includes .176505 shares acquired pursuant to dividend reinvestment and not previously reported pursuant to Rule 16a-11.
(2)  The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.54 to $64.60, inclusive. The reporting person undertakes to provide to Marathon Petroleum Corporation, any security holder of Marathon Petroleum Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4.
(3)  Includes 37.989 shares acquired pursuant to dividend reinvestment and not previously reported pursuant to Rule 16a-11. Also reflects the deduction of an administrative fee in the amount of .025 shares.
(4)  This option was previously reported as covering 20,787 shares at an exercise price of $25.74 per share, but has been adjusted to reflect the 2-for-1 stock split that occurred on June 10, 2015.
(5)  This option, in the adjusted amount of 41,574, was exercisable as follows: 6,980 shares on June 30, 2011, 17,296 shares on May 26, 2012 and 17,298 shares on May 26, 2013. These share amounts reflect the 2-for-1 stock split that occurred on June 10, 2015.

Remarks:
Senior Vice President, Supply Distribution and Planning

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Palmer C. Michael
C/O MARATHON PETROLEUM CORPORATION
539 S. MAIN STREET
FINDLAY, OH 45840

Sr. VP, Supply Distrib. & Plan

Signatures
/s/ Molly R. Benson, Attorney-in-Fact for C. Michael Palmer 12/14/2017
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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