Marathon Petroleum Company

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FINDLAY, Ohio, July 1, 2011 - Marathon Petroleum Corporation (NYSE: MPC) today
reported the completion of its transformation into a new, independent, publicly
traded energy company.  MPC is a top-performing refining, marketing and
transportation business that was previously a subsidiary of Marathon Oil
Corporation (NYSE: MRO).  The company is headquartered in Findlay, Ohio.

MPC is the fifth largest crude oil refiner in the U.S. and the largest in the
Midwest.  Marathon brand gasoline is sold through 5,100 independently owned
locations across 18 states.  In addition, Speedway LLC, a MPC subsidiary
company, features industry-leading retail operations as the nation's fourth
largest owned and operated convenience store chain with approximately 1,350
locations in seven states.  MPC's fully integrated strategy provides operational
flexibility to move crude oil, feedstocks and petroleum-related products
efficiently through the company's distribution system with approximately 4,500
miles of pipeline and 83 terminals.

The transaction that created Marathon Petroleum Corporation was first announced
in January and approved by the Marathon Oil board of directors in May.

"The benefits of independence have become increasingly apparent and establishing
Marathon Petroleum as a stand-alone energy company, with enhanced flexibility to
pursue tailored strategies, will drive long-term value for our shareholders and
customers alike," explained Gary R. Heminger, president and chief executive
officer of MPC.

"Each of our business segments is a top performer.  With a fully integrated
system focused on refining, marketing and transportation operations, Marathon
Petroleum is uniquely positioned to grow profitably," continued Heminger.

"Our strong balance sheet and access to capital provides us with the necessary
resources to allow us to grow organically, to pursue acquisitions and to deliver
competitive returns to our shareholders.  We will be a capital disciplined
company," Heminger said.

Heminger also cited "a work force that is focused on best-in-class performance
and a management team that is experienced, proven and consistently delivers
value to our many stakeholders."


Marathon Petroleum officers include:

  * Garry L. Peiffer, executive vice president, Corporate Planning and Investor
    & Government Relations;
  * Donald C. Templin, senior vice president and chief financial officer.
  * Anthony R. Kenney, president, Speedway LLC;
  * Richard D. Bedell, senior vice president, Refining;
  * Thomas M. Kelley, senior vice president, Marketing;
  * C. Michael Palmer, senior vice president, Supply, Distribution and
    Planning;
  * George P. Shaffner, senior vice president, Transportation and Logistics;
  * Pamela K.M. Beall, vice president, Investor Relations and Government &
    Public Affairs;
  * Michael G. Braddock, vice president and controller;
  * Rodney P. Nichols, vice president, Human Resources and Administrative
    Services;
  * John S. Swearingen, vice president, Health, Environment, Safety & Security;

  * Donald W. Wehrly, vice president and chief information officer;
  * J. Michael Wilder, vice president, general counsel and secretary.


                                     # # #

This release contains forward-looking statements relating to MPC's operations
and results based on management's current expectations, estimates and
projections about the petroleum industry and the economy. Such statements are
not guarantees of future performance and are subject to risks, uncertainties and
other factors, some of which are beyond the company's control and are difficult
to predict. Therefore, actual outcomes and results may differ materially from
what is expressed or forecasted in such forward-looking statements. The reader
should not place undue reliance on forward-looking statements, which speak only
as of the date of this report. Unless legally required, MPC undertakes no
obligation to publicly update any forward-looking statements, whether as a
result of new information, future events or otherwise.  Many of the factors that
could cause actual results to differ materially from those in the forward-
looking statements are set forth under the heading "Risk Factors" in MPC's Form
10,  as amended ("Form 10"). In addition, such statements could be affected by
general domestic and international economic and political conditions.
Unpredictable or unknown factors not discussed in MPC's Form 10 could also have
material adverse effects on forward-looking statements. Copies of MPC's Form 10
are available at www.marathonpetroleum.com or by contacting MPC's Investor
Relations Office.

Media Relations Contacts
Angelia Graves 1-419-421-2703
Robert Calmus 1-419-421-3127

Investor Relations Contacts
Pam Beall 1-419-429-5640
Beth Hunter 1-419-421-2559




Marathon Petroleum Completes Transformation: 
http://hugin.info/147922/R/1527573/463292.pdf




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Source: Marathon Petroleum Company via Thomson Reuters ONE

[HUG#1527573]