Marathon Petroleum Corporation : Marathon Petroleum Corporation to Announce 2012 Fourth-Quarter and Year-End Financial Results

 Marathon Petroleum Corporation : Marathon Petroleum Corporation to Announce
          2012 Fourth-Quarter and Year-End Financial Results Jan. 30

FINDLAY, Ohio, Jan. 9, 2013 - Marathon Petroleum Corporation (NYSE: MPC)
announced today that it will host a conference call on Wednesday, Jan. 30, at
10 a.m. EST to provide an update on company operations and to discuss 2012
fourth-quarter and year-end financial results, which will be released earlier
that day.

MPC participants will be Gary Heminger, president and chief executive officer;
Garry Peiffer, executive vice president of Corporate Planning and Investor &
Government Relations; Don Templin, senior vice president and chief financial
officer; and Mike Palmer, senior vice president of Supply, Distribution and
Planning. The call will be hosted by Pam Beall, vice president, Investor
Relations and Government & Public Affairs.

Interested parties may listen to the conference call on MPC's website at
http://www.marathonpetroleum.com by clicking on the "2012 Fourth Quarter
Financial Results" link. Replays of the conference call will be available on
the company's website through Thursday, Feb. 14. Financial information,
including the earnings release and other investor-related material, also will
be available online.

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About Marathon Petroleum Corporation

MPC is the nation's fifth-largest refiner, with a crude oil refining capacity
of approximately 1.2 million barrels per calendar day in its six-refinery
system. Marathon brand gasoline is sold through more than 5,000 independently
owned retail outlets across 18 states. In addition, Speedway LLC, an MPC
subsidiary, owns and operates the nation's fourth largest convenience store
chain, with approximately 1,460 convenience stores in seven states. MPC also
owns, leases or has ownership interests in approximately 8,300 miles of
pipeline. MPC's fully integrated system provides operational flexibility to
move crude oil, feedstocks and petroleum-related products efficiently through
the company's distribution network in the Midwest, Southeast and Gulf Coast
regions. For additional information about the company, please visit our
website at http://www.marathonpetroleum.com.

Investor Relations Contacts:
Pamela Beall (419) 429-5640
Beth Hunter (419) 421-2559

Media Contacts:
Angelia Graves (419) 421-2703
Brandon Daniels (419) 421-3127

MPC 4Q Financial Results on Jan. 30

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Source: Marathon Petroleum Corporation via Thomson Reuters ONE
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