GRO Seminar Series - Marathon Presentation

Marathon, MPLX, NG & NGLS GRO Presentation

Agenda ⚫Introductions ⚫Industry Outlook ⚫Marathon Overview ⚫Project Examples ⚫Intern/Co-Op Program, Opportunities, & Benefits

⚫Questions

3

Making the products that we all use

4

Oil Industry Value Chain Feedstock Acquisition & Trading

In-bound Logistics

Out-bound Logistics

Refining & Processing

Marketing & Sales

Products Feedstock Production / Acquisition

Acquisition of Feedstock by Trucks Acquisition of fuel by Trucks / Rail Car Tanks

20°C

To Refinery

150°C 200°C To Refinery

Feedstock Production

To Refinery

REFINERY

300°C 370°C 400°C

Acquisition of Feedstock by Pipeline

Out-bound Vessel

Petroleum Gas Gasoline

Rail Car Tanker Branded Retail Store

Kerosene Diesel Industrial Fuels Lubricants, Waxes, & Asphalt MPC Terminal

Truck

Un-Branded Retail Store

3rd-party Truck

Jet fuel pipeline

Global Feedstock Acquisition

Upstream

Acquisition of Feedstock by Barges / Trucks / Rail Car Tanks

To Refinery

3rd Party Terminal

To Refinery

Midstream

Downstream

Midstream

Marine / Heavy Fuels

Gas Industry Value Chain Home Heating/Cooking

Compression

Gas Treating, Processing and Fractionation

Gas

Oil, Gas, Water

Natural Gas (Methane)

Water Water Injection Well

Oil

Natural Gasoline

Oil and/or Gas Reservoir 5,000 – 16,000 ft deep

Plastics

Petrochemical Plants

Oil Refineries

Home Heating, Cooking Transportation, Industrial fuel Baggies

Butanes Propane

Interstate Oil Pipelines

Industrial Boilers/Furnaces

CNG (Fleet Fuel, Buses, etc)

Ethane

Propane, Butanes

Electric Power

LNG (Liquefied and shipped)

Propane

Separation

Well

Interstate Gas Pipelines

Styrofoam Alcohols Other Chemicals Unleaded Gasoline Diesel

Jet Fuel Asphalt Other

Marathon Petroleum Integrated System Refining & Marketing (MPC) • Approximately 3 million barrels per calendar day of refining capacity from 13 refineries in 12 states • 7,738 branded locations where independent entrepreneurs maintain primarily Marathon-branded stations • 1,161 direct dealer locations, primarily in Southern California, largely under the ARCO brand Renewable Diesel (MPC) Renewable fuel production includes facilities in Dickinson, North Dakota, and Martinez, California.

Midstream (MPC & MPLX) • 12.4 billion standard cubic feet per day of natural gas processing capacity • 40 million barrels of terminal storage capacity • Gathers, processes and transports natural gas • Transports, fractionates, stores and markets natural gas liquids • Gathers, transports, stores and distributes crude oil, refined products, other hydrocarbon-based products and renewables via refining logistics assets, pipelines, terminals, towboats and barges • Owns the general partner of MPLX LP

MPC Core Values Our values are the way we treat each other and all our stakeholders

Safety & Environmental Stewardship

8

Integrity

Inclusion

Collaboration

Excellence

Advance Environmental Stewardship

Lowering our carbon footprint 30% reduction of Scope 1 and 2 GHG emissions intensity by 2030 and 38% reduction by 2035 from 2014 levels

2030

75% reduction of MPLX methane emissions intensity by 2030 from 2016 levels

20% reduction of freshwater withdrawal intensity by 2030 from 2016 levels

9

Source: 2024 Sustainability Report

Renewables and emerging technologies Green Bison Soy Processing Martinez Renewable Fuels Joint venture with an expected capacity of 730 million gallons per year to deliver low-carbon fuels to support California’s climate goals

JV with capacity to process 150,000 bushels of local soybeans per day using state-of-the-art automation technology

Renewable diesel facility 184 million gallons per day capacity

Equity investment in technology to convert CO2 into solid aggregate and concrete block

Sapphire Technologies Equity investment in manufacturer of in-line turboexpanders that harness gas expansion to produce reliable and clean electricity

Source: 2024 Sustainability Report

Equity investment in airborne pipeline leak detection

Dickinson Renewable Diesel

Blue Planet

10

Fly Scan

LF Bio Energy

Beatrice Pretreatment Facility Renewable feedstock pretreatment facility with 58 million gallon/yr capacity

Equity investment in an emerging producer of dairy-farm-based, low-carbon intensity renewable natural gas

Social Responsibility U.S. EPA ENERGY STAR® 2024 Partner of the Year

Nearly

$34 million Invested in our communities in 2024 through corporate and employee giving

More ENERGY STAR® refinery certifications than all other refining companies combined

America’s most just companies Recognized by JUST Capital as one of America’s most just companies 11

Source: 2024 Sustainability Report

Best Place to Work for Disability Inclusion

MPC one of 542 companies recognized in 2024

MPLX Functions ⚫ Project Engineering ⚫ Process Engineering ⚫ Process Controls Engineering (Automation / Programming) ⚫ Operations Engineering ⚫ Hydraulic Engineering ⚫ Pipeline Integrity Engineering ⚫ Reliability Engineering ⚫ Electrical Engineering

Project Engineering Overview ⚫ Project Lifecycle oDevelopment ▪Conceptual Feasibility ▪Definition

oExecution ▪Implementation / Construction ▪Commissioning / Startup

oCloseout ▪Management of Change (MOC) ▪As-Built Drawings ▪Documentation

Project Example – Growth Capital Projects ⚫ Preakness Condensate Truck Loading o Goal: Capture uplift on condensate via blending into crude o Scope: Install storage, vapor control, measurement, and truck loading station o Outcome: Truck loading project cancelled in favor of pipeline connection at different facility

Project Examples – Maintenance Capital Projects PSV Study Action Items Stabilizer Backup Generator

Inlet Gas Balancing Hot Tap

Process Engineering Overview ⚫ Project Support oInitial design basis oVet project options oDesign review oEquipment specification oStartup support

⚫ Operations Support oTroubleshoot upsets oImprove separations / efficiencies oIdentify improvement opportunities oProcess simulation

Top 100 Internship Programs MPC has been selected for the 2025 Yello Top 100 Internship Programs List!

Program Overview

Intern/Co-op Eligibility Criteria

Minimum MPC Qualifications

Technical Skills

Strong academic performance; transcripts requested

University Classification

Actively consider sophomore and junior-level students aligned with business need; concurrent enrollment in degree-seeking program required throughout the duration of the experience

Specific Attributes

Analytical, leadership, team player, communication (written/verbal/ interpersonal), drive, resourcefulness, problem solving, passionate

Required Discipline(s)

Engineering: Chemical/civil/electrical/mechanical engineering, related majors Business: Accounting, finance, IT, marketing Other: HR, supply chain/logistics, law, EHS, other related majors

Mobility

Preference for candidates willing to consider multiple MPC locations

Work Authorization

Candidates must be authorized to work in the U.S. on a full-time, indefinite basis for our company without a change in status or requirement for future sponsorship.

Employee Benefits Holidays 10 paid holidays at most locations.

Retirement Plan A completely companyfunded pension account.

Vacation Up to six weeks paid time off.

MetLife Legal Plan Optional coverage for legal assistance through MetLife.

Thrift Plan A $1.17 to $1 match on employee contributions up to 6% of your pay.

Employee Assistance Program Offers free counseling, identity protection and more.

Adoption and Surrogacy Assistance Programs Up to $10,000 per adoption and up to $20,000 for surrogacy assistance.

20

Educational Reimbursement Financial assistance for approved degree programs and certifications and licensing.

Marathon Scholars Program College scholarships for children of employees.

Paid Parental Leave Birth parent receives 10 weeks for natural birth; 12 weeks for cesarean. Non-birthing parent receives 4 weeks.

Questions? Email TalentAcquisition@marathonpetroleum.com 21 MPLX Natural Gas & NGL Services

1. Sources: EIA and EQT research. Bcf/d calculated using 7 MMBtu/MWh heat rate.