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Phillips 66 board members announce retirement plans

October 23, 2025 5:00 PM EDT

Phillips 66 (NYSE: PSX) announced that board members Glenn Tilton and Marna Whittington will retire and not seek re-election at the company's annual shareholder meeting in May 2026.

Tilton serves as lead independent director, while Whittington is also a board member. Both are Class II directors with terms concluding in 2026.

"Glenn and Marna have been a trusted source of counsel to me and the entire Phillips 66 team," said Mark Lashier, Phillips 66 chairman and CEO, according to the company's statement.

Greg Hayes, chair of the Nominating and Governance Committee, is expected to assume the role of lead independent director upon Tilton's retirement in 2026.

Tilton noted his involvement with Phillips 66 since 2012, stating that working with the company's leaders "is a genuine highlight of my career."

The Houston-based energy company indicated it intends to nominate at least four directors for election at the 2026 annual meeting in compliance with its governing documents.

Phillips 66 operates in midstream, chemicals, refining, marketing and specialties, and renewable fuels businesses. The company manufactures, transports and markets energy products globally.



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