Marathon Petroleum Corporation (MPC) operates an integrated refining, marketing and transportation system concentrated primarily in the Midwest, Northeast, East Coast, Southeast and Gulf Coast regions of the U.S. We have more than 130 years of experience in the energy business and are focused on profitable growth.

Headquartered in Findlay, Ohio, MPC has approximately 43,800 employees and ranks in the top 55 of the Fortune 500.

Strong values drive our commitment to the communities where we operate, our employees, and our other stakeholders, focusing on health and safety, environmental stewardship, integrity, diversity and inclusion, and corporate citizenship.

Financial Highlights MPC became an independent company on July 1, 2011, and launched MPLX LP, a midstream master limited partnership in 2012.

INVESTMENT DATA

• NYSE: MPC• Shares outstanding as of Dec. 31, 2017:

approximately 486 million• 2017 earnings 3.43 billion ($6.70 per diluted share)

Our Economic Engine Our six refineries are managed as one integrated system, transferring feedstocks among the refineries to optimize capacity and achieve economies of scale that reduce capital expenditures and improve efficiency.

MPC’S STRATEGIC REFINING OPERATIONS INCLUDE: Galveston Bay refinery (Texas): 571,000 bpcd • Garyville refinery (Louisiana): 556,000 bpcd • Catlettsburg refinery (Kentucky): 277,000 bpcd • Robinson refinery (Illinois): 245,000 bpcd • Detroit refinery (Michigan): 139,000 bpcd • Canton refinery (Ohio): 93,000 bpcd

We use a diverse slate of crude oils procured from numerous suppliers that are approximately 57 percent domestic, 21 percent Canadian and 22 percent from other sources.

Solid Corporate Citizen MPC employees are a part of the social fabric of the communities where they live and work. They give their time and talents, in addition to individual and corporate financial contributions, to help improve the lives of others.

By The Numbers REFINING & MARKETING

• Six refineries with 1,881,000 barrels per calendar day (bpcd) total refining capacity

• Approximately 10 percent of the total U.S. refining capacity• Second-largest U.S. refiner based on crude oil refining capacity • Largest Midwest refiner • One of the largest domestic asphalt producers with a

capacity of 104,000 bpcd• Approximately 5,600 Marathon brand locations owned

by independent entrepreneurs in 20 states and the District of Columbia

• 4.4 billion gallons of fuel sold to branded locations in 2017• 20 owned/operated light product and asphalt terminals

• 180 owned transport trucks deliver light products and crude oil

MIDSTREAM (INCLUDING MPLX)

• Owns, leases or has interest in approximately 10,800 miles of crude and light product pipelines

• Approximately 5.9 billion cubic feet per day of gathering capacity, 8 billion cubic feet per day of natural gas processing capacity and 610,000 barrels per day of fractionation capacity

• Large U.S. private inland product fleet with 18 owned towboats as well as 208 owned and 24 leased barges

• 59 owned and operated, one leased and two partially owned light product terminals

• Butane and natural gas liquids storage caverns

SPEEDWAY

• The second-largest company-owned and -operated convenience store chain in the U.S.

• Approximately 2,740 convenience stores in 21 states

• 5.8 billion gallons of fuel sold in 2017

• 4.9 billion in merchandise sales in 2017

Contact: Marathon Petroleum Corporation, Public Affairs, 539 South Main Street, Findlay, OH 45840 | 419-421-3577 February 2018 | www.marathonpetroleum.com | NYSE: MPC

ABOUT MPC