MPC operates a seven-refinery system that processes approximately 1.8 million barrels of crude oil into clean transportation fuels and other products every day. We are the largest Midwest refiner and third-largest refiner in the U.S. with approximately 9.9 percent of the U.S. capacity. For more information, visit www.MarathonPetroleum.com.

Garyville Refinery: Garyville, Site: Located between and Baton Rouge on approximately 3,500 acres of land adjacent to U.S. Highway 61 and the History: Construction of the refinery began in 1973 by ECOL Ltd. and was completed in 1976, when MPC purchased and started up the plant. It is the last major grassroots refinery built in the U.S. and is located on former San Francisco Plantation property, designated a National Historic Landmark. MPC completed a $3.9 billion refinery expansion project in 2009. Refining Capacity: 539,000 barrels per calendar day; third largest U.S. refinery Crude Oil Supply: A wide variety of both sweet and sour crude oils Operations: Crude distillation, hydrocracking, catalytic , hydrotreating, reforming, alkylation, isomerization, sulfur recovery and coking Products: , distillates, fuel-grade coke, , polymer-grade propylene, , slurry, sulfur and dry gas Product Distribution: Pipeline, barge, transport truck, rail and ocean tanker Employment: Approximately 950 employees Safety & Environmental Stewardship: n MPC was the first U.S. refining company to adopt the American Chemistry Council’s Responsible Care® principles across all of its organizations to address continual improvement in health, environmental, safety and security performance. n MPC is an Environmental Protection Agency (EPA) ENERGY STAR Partner company, demonstrating commitment to energy efficiency. At Garyville: n 2014: Two Environmental Leadership Awards from the Louisiana Department of Environmental Quality n 1994-present: Occupational Safety and Health Administration (OSHA) Voluntary Protection Program Star Site n Only refinery accepted in the EPA’s Voluntary Early Reduction Program for Air Toxics under the Clean Air Act n 22 Governor’s Environmental Leadership Awards since 1996 n Emergency response drills with local emergency responders n 2006-2016: U.S. EPA ENERGY STAR facility n Wildlife Habitat Council’s Corporate Lands for Learning Award n Wildlife Habitat Council’s Certified Wildlife at Work Award

Community Involvement: n Educational Partners with all local K-12 schools providing monetary and mentoring support in St. John the Baptist Parish n Largest fundraiser for St. John the Baptist Parish United Way n UNCF Walk for Education n Sponsored and served 2,000 Thanksgiving meals n Minority and Women Owned Business Enterprise n Community Advisory Panel n Title Sponsor for St. John the Baptist Parish’s Andouille Festival n Scholarships and internships for Louisiana State University, South Central Louisiana Technical College and River Parishes Community College n Louisiana State University eXploration Camp Inspiring Tomorrow’s Engineers n Adopt-a-Troop Program sending care packages to troops overseas n Combat Marines Golf Tournament n Sponsored Santa Claus visits to two local schools for 600 children n Proclamation from St. John the Baptist Parish President for Outstanding Community Outreach in 2015

MPC is a proud Responsible Care company. Our voluntary commitment to Responsible Care drives continual improvement in health, environment, safety and security. This commitment earns results – a 75 percent reduction in our OSHA recordable incident rate and a 50 percent reduction in total criteria pollutant emissions across our operations since 2002. October 2016