Welcome to the Marathon Oil Benefits Enrollment Portal.

Marathon Oil Company's Benefits Service has transitioned to Fidelity Investments effective October 1, 2023. If you would like to update your benefit elections due to experiencing a qualifying life event, being a new hire with Marathon Oil, or for Annual Open Enrollment, or if you are looking to change your HSA election, please visit Fidelity NetBenefits at https://www.netbenefits.com/MarathonOil or call AskHR at 855-652-3067.

Please note: A blackout period will occur from September 27th to September 30th. No changes will be allowed during this time. Benefit elections and changes can be made after 10/1/2023 through Fidelity NetBenefits.