On November 12, 2024, Robert E. Grote and Ellen F. Harshman, members of Post Holdings, Inc. Board of Directors, notified the Company of their decisions to retire as directors of the Company. Mr. Grote, age 81, has been a member of the Board since 2012 and is the Chairman of the Corporate Governance and Compensation Committee. Ms. Harshman, age 79, has been a member of the Board since 2017 and is a member of the Audit Committee.

Neither Mr. Grote?s nor Ms. Harshman?s announced retirement was due to any disagreement with the Company on any matter. Mr. Grote?s and Ms. Harshman?s retirements from the Board and all committees thereof will be effective on January 30, 2025.