Casual Employee Benefit Summary

Enrollment is automatic when you begin employment. No action is necessary. The Plan provides a “Cash Balance” benefit and is provided entirely at Company expense. Marathon Petroleum will provide annual Pay Credits at 7%, 9% or 11% of eligible pay. Pay Credit percentages are determined on December 31 each year, using the sum of your age and Cash Balance Service, as shown below. Marathon Petroleum will also provide Interest Credits, which will be compounded monthly. You are vested in the Plan upon the completion of three years of vesting service.

¹Rehired retirees are immediately vested in the Retirement Plan.

As a Marathon Petroleum employee, you are immediately eligible to enroll in the Thrift Plan. You will be able to log in to Fidelity’s website on day 2 of employment. You do not need to wait for correspondence from Fidelity to create an account and start your contributions. Fidelity even offers EasyEnroll starter packages to set up your deferral and investment selections.

To enroll:

• Visit netbenefits.com.
• Click on the welcome banner at the top of the page.
• Click on Start Easy Enroll or Start Standard Enrollment and follow the prompts.
• Don't forget to designate your beneficiary online during your enrollment.

Note: Effective April 8, 2024, if you do not actively enroll for this plan, you will be automatically enrolled in the plan 35 days after your hire date with a 6% employee contribution.

² Rehired employees will need to elect Thrift Plan contributions as instructed above.

Marathon Petroleum complies with the Patient Protection and Affordable Care Act (Health Care Reform). Any employee who is anticipated to work a minimum of 30 hours per week for at least three consecutive months may be eligible; other employees who meet certain work hour requirements are eligible to participate and will be notified by the Benefits Service Center if and when such work hour requirements are met. Casual employees meeting these requirements are eligible for the Health, Dental, and Vision coverage. If you would like to discuss your eligibility or have questions, contact the Benefits Service Center at 1-888-421-2199.

Marathon Petroleum provides Company-paid Occupational Accidental Death Benefit coverage. The Plan pays a benefit if you die as a result of an accident while you are engaged in Company Duty. The Plan benefit is equal to the greater of $500,000 or two times your annual pay (not to exceed $1,500,000). You are automatically enrolled in this Plan, and coverage is provided at no cost to you. The only action required on your part is to designate a beneficiary. Beneficiary designation instructions can be found on www.myMPCbenefits.com. MetLife Insurance Company is our group life insurance provider. In the next few weeks, MetLife will send a welcome letter to your home address with instructions on making your beneficiary designations. Please take the time to designate your beneficiary.

The Employee Assistance Program (EAP) offers confidential, professional help to you and your family members when you have personal, family or work-related concerns. As an MPC employee, you and all members of your household are automatically enrolled in the EAP at no cost to you.

For more information on any of the plans referenced above, refer to the Plan Text or Summary Plan Description.