Suzanne Gagle - 25 May 2021 Form 4 Insider Report for Marathon Petroleum Corp (MPC)

Role: Gen Counsel and SVP Gov Aff
Signature: /s/ Molly R. Benson, Attorney-in-Fact for Suzanne Gagle
Issuer symbol: MPC
Transactions as of: 25 May 2021
Net transactions value: -$135,704
Form type: 4
Filing time: 27 May 2021, 19:15:05 UTC
Next filing: 23 Nov 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MPC	Common Stock	Options Exercise	$180,669	+8,080	+25%	$22.36^*	40,999	25 May 2021	Direct
transaction	MPC	Common Stock	Tax liability	$316,373	-5,272	-13%	$60.01	35,727	25 May 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MPC	Employee Stock Option (right to buy)	Options Exercise	$0	-8,080	-100%	$0.000000^*	0	25 May 2021	Common Stock	8,080	$22.36	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This option, in the amount of 12,118, was exercisable as follows: 4,038 shares on May 25, 2012, 4,038 shares on May 25, 2013 and 4,042 shares on May 25, 2014.

Remarks:

General Counsel and Senior Vice President, Government Affairs