FINDLAY, Nov. 21, 2011 - Marathon Petroleum Corporation (NYSE: MPC) announced today that the company's Investor Day meeting will be held Wednesday, Nov. 30. The presentation will be webcast live beginning at 8:30 a.m. EST. The webcast will include the audio of each presentation as well as accompanying slides. The meeting is expected to last until 11:30 a.m. EST. This event will be accessible via the MPC web site at http://ir.marathonpetroleum.com .

Garry L. Peiffer, executive vice president, Corporate Planning and Investor & Government Relations, will host the meeting. Participating will be Gary R. Heminger, president and chief executive officer; 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 and Thomas P. Barney, MPC's chief economist.

Replays of the webcast will also be available on the Marathon Petroleum website after the presentation's completion.

About 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 approximately 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. http://www.marathonpetroleum.com .

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Beth Hunter: 419-421-2559