Marathon Petroleum Corporation Increases Dividend

FINDLAY, Ohio, July 25, 2012 - Marathon Petroleum Corporation (NYSE: MPC) today announced that the board of directors declared a dividend of 35 cents per share on common stock, a 40 percent increase in its quarterly dividend. The dividend is payable Sept. 10, 2012 to shareholders of record as of the close of business Aug. 16, 2012. "We remain committed to maximizing total returns to our shareholders and continuing to strike a balance between making value-enhancing investments in the business and returning capital to shareholders. We are pleased to announce this adjustment in the quarterly dividend to reflect our ongoing focus on returning capital to shareholders and continued confidence in our business outlook," said Gary R. Heminger, MPC's president and chief executive officer. On July 31, MPC will provide an update on its 2012 second-quarter results through an earnings news release, to be followed by a conference call scheduled for 10 a.m. EDT that day. Interested investors can listen to the conference call on MPC's website at by clicking on the "2012 Second-Quarter Financial Results" link. About Marathon Petroleum Corporation MPC is the nation's fifth-largest refiner, with a crude 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 Investor Relations Contacts: Pamela Beall (419) 429-5640 Beth Hunter (419) 421-2559 Media Contacts: Angelia Graves (419) 421-2703 Robert Calmus (419) 421-3127 This release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements relate to, among other things, MPC's current expectations, estimates and projections concerning MPC business and operations. You can identify forward-looking statements by words such as "anticipate," "believe," "estimate," "expect," "forecast," "project," "could," "may," "should," or "would" or other similar expressions that convey the uncertainty of future events or outcomes. Such forward-looking 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.  Factors that could cause actual results to differ materially from those in the forward-looking statements include: volatility in and/or degradation of market and industry conditions; the availability and pricing of crude oil and other feedstocks; consumer demand for refined products; the reliability of processing units and other equipment; our ability to successfully implement growth opportunities; other risk factors inherent to our industry; and the factors set forth under the heading "Risk Factors" in MPC's Annual Report on Form 10-K for the year ended December 31, 2011 filed with the Securities and Exchange Commission (SEC).  In addition, the forward-looking statements included herein could be affected by general domestic and international economic and political conditions. Unpredictable or unknown factors not discussed here or in MPC's Form 10-K could also have material adverse effects on forward-looking statements. Copies of MPC's Form 10- K are available on the SEC website, at or by contacting MPC's Investor Relations Office. Marathon Petroleum Increases Dividend: 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 Corporation via Thomson Reuters ONE [HUG#1629249]