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The Integrity Helpline

Marathon Petroleum Corporation's (MPC) Integrity Helpline is a resource for reporting suspected unethical or illegal activity and also serves as a platform for advice regarding ethics and behavior in the workplace.

The Integrity Helpline is available 24 hours a day, 365 days per year. Every effort is made to promptly respond to each inquiry or report of suspected unethical or illegal activity. Reporters of misconduct may remain anonymous.

MPC will not allow retaliation against any individual for reporting misconduct. We consider acts of retaliation to be misconduct and a violation of our Code of Business Conduct. Filing a good faith report will never be a cause for disciplinary action.

There are several options for initiating a report or inquiry including a toll-free telephone number and the web:

International Helpline Numbers
Mexico – All Carriers 01.800.681.6945 Telmex 001 866 376 0139
Singapore – All Carriers 800.852.3912 Singapore Telecom 001 800 1777 9999