Phillips 66 appointed Mark E. Lashier, the Company?s President and Chief Executive Officer and a member of the Board, to the additional position of Chairman of the Board, effective immediately prior to the Company?s 2024 Annual Meeting of Shareholders to be held on May 15, 2024. At that time, Greg C. Garland, the Company?s current Executive Chairman and former President and Chief Executive Officer, will step down from the Board, and the size of the Board will be reduced from 14 directors to 13 directors. Glenn F. Tilton will continue in his role as Lead Independent Director.

These actions are part of the Board?s thoughtful, multi-year succession planning process, and will be described in further detail in the Company?s Proxy Statement for its 2024 Annual Meeting of Shareholders.