MPLX Elects Maryann T. Mannen as Chairman of the Board
In an exciting development for the company, MPLX LP (NYSE: MPLX) has announced the election of Maryann T. Mannen to serve as the chairman of the board. This decision will take effect on January 1, 2026, marking a significant shift in leadership for the organization. Mannen currently serves as the president and chief executive officer and is a member of the board. Her exemplary leadership has earned her this prestigious role.
MPLX is set to transition its leadership as Mannen succeeds Michael J. Hennigan, who has been a pivotal figure in guiding the company through various challenges since he took the chairmanship in April 2020. He will retire as executive chairman and from his role on the board on the same date as Mannen takes over. Chris Helms will maintain his position as the independent lead director of the board.
A Celebratory Transition
Chris Helms expressed the board’s sentiments, stating, "On behalf of the entire board of directors, we extend our congratulations to Maryann as our new leader and our gratitude to Mike for his dedication to the partnership." This celebration of leadership indicates how the company values continuity and respect within its ranks.
Over the years, Hennigan has played a vital role in MPLX's journey, holding positions such as CEO from November 2019 to August 2024 and as President from June 2017 to August 2024. Under his stewardship, MPLX has experienced significant growth and development in the midstream energy sector, making it a formidable player in the industry.
Maryann T. Mannen: A Proven Leader
Maryann T. Mannen has been with MPLX since February 2021 as a board member and has been CEO since August 2024. Her proven track record positions her well to lead MPLX into the future, fostering innovation and efficiency within the organization. Directors and employees alike look forward to her vision that will guide the company towards expanded horizons.
Future Prospects for MPLX
Looking ahead, Mannen will bring her insights and expertise as MPLX continues to focus on expanding its midstream infrastructure. The company owns and operates a diversified array of energy infrastructure and logistics assets, including a network of crude oil and refined product pipelines, refining docks, and logistics terminals. This strong asset base positions MPLX competitively in the market, aiming for sustainability as it serves dynamic energy needs.
Moreover, MPLX’s focus on fuels distribution services and logistics ensures that it remains an indispensable component of the energy supply chain within various U.S. supply basins. With Mannen at the helm as board chair, she is expected to drive initiatives that enhance operational efficiencies while maintaining safety and regulatory compliance across all operations.
About MPLX LP
MPLX is a large-cap master limited partnership with a diverse portfolio that provides midstream energy infrastructure and logistics services. The company’s extensive assets include crude oil and refined product pipelines, inland marine interests, light-product terminals, and various storage solutions. It plays an instrumental role in the delivery of efficient fuel and gas supply across the United States.
By leveraging its expertise in gathering systems, processing and fractionation facilities, and transportation solutions, MPLX is well-positioned to navigate the ever-changing landscape of the energy sector.
Contact Information
If you have inquiries regarding investor relations, reach out to:
Kristina Kazarian, Vice President Finance and Investor Relations
Brian Worthington, Senior Director, Investor Relations
Isaac Feeney, Director, Investor Relations
Evan Heminger, Analyst, Investor Relations
Should you require media assistance, feel free to contact:
Jamal Kheiry, Communications Manager
Frequently Asked Questions
Who has been elected as the chairman of the board for MPLX?
Maryann T. Mannen has been elected as the chairman of the board for MPLX LP.
When will this leadership transition take effect?
The transition will take effect on January 1, 2026.
What positions has Michael J. Hennigan held at MPLX?
Michael J. Hennigan has served as chairman, CEO, and President of MPLX.
What are MPLX’s core business operations?
MPLX operates midstream energy infrastructure and logistics solutions, focusing on fuel distribution, pipelines, and storage.
Who can be contacted for investor relations at MPLX?
Kristina Kazarian is the Vice President of Finance and Investor Relations and can be contacted for inquiries.
