On December 1, 2021, Jerry W. Kolb informed Mueller Water Products, Inc. that he will retire from the board of directors (the "Board") of the Company effective at the conclusion of his current term of service, which will end at the Company's annual meeting on February 7, 2022. Mr. Kolb has served on the Board since 2006 and as Chair of the Audit Committee since 2015. His decision to retire and not to stand for re-election was not the result of any disagreement with the Company or its management. Mr. Kolb will remain a director and member of the Audit Committee, Nominating and Corporate Governance Committee, Compensation and Human Resources Committee, and Executive Committee through the date of his retirement. In preparation for Mr. Kolb's retirement, effective January 1, 2022, Stephen C. Van Arsdell will assume the role of Chair of the Audit Committee. Mr. Van Arsdell has been a member of the Board and Audit Committee since July 2019 and is an audit committee financial expert" pursuant to the rules of the U.S. Securities and Exchange Commission. In connection with Mr. Kolb's retirement, the Board plans to reduce the number of directors constituting the full Board from eleven to ten directors.