Marathon Petroleum Company

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FINDLAY, Ohio, Oct. 19, 2011 - Marathon Petroleum Corporation (NYSE: MPC)
announced today that it will host a conference call on Tuesday, Nov. 1, at 10
a.m. EDT to provide an update on company operations and to discuss third-quarter
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 C. Michael 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 "2011 Third Quarter
Financial Results" link. Replays of the conference call will be available on the
company's website through Tuesday, Nov. 15. Financial information, including the
earnings release and other investor-related material, also will be available
online.

                                     # # #

About Marathon Petroleum Corporation
Marathon Petroleum Corporation (MPC) is the nation's fifth largest refiner with
a crude capacity in excess of 1.1 million barrels per day in its six-refinery
system. Marathon brand gasoline is sold through 5,100 independently owned
locations across 18 states. In addition, Speedway LLC, an MPC subsidiary, owns
and operates the nation's fourth-largest convenience store chain with
approximately 1,375 locations in seven states. MPC also owns, operates, leases
or has ownership interest in approximately 9,600 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
athttp://www.marathonpetroleum.com.

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

Media Contacts:
Angelia Graves (419) 421-2703
Shane Pochard (419) 421-4327





MPC earnings call announcement: 
http://hugin.info/147922/R/1556127/480121.pdf




This announcement is distributed by Thomson Reuters on behalf of 
Thomson Reuters clients. The owner of this announcement warrants that: 
(i) the releases contained herein are protected by copyright and 
    other applicable laws; and 
(ii) they are solely responsible for the content, accuracy and 
     originality of the information contained therein. 
    
Source: Marathon Petroleum Company via Thomson Reuters ONE

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