X0508 4 2023-12-04 0001350593 Mueller Water Products, Inc. MWA 0001990757 Carroll Chason A 1200 ABERNATHY RD., NE SUITE 1200 ATLANTA GA 30328 1 VP, General Counsel & Corp Sec 0 Common Stock 2023-12-04 4 M 0 3238.0000 0 A 12973.5659 D Common Stock 2023-12-04 4 D 0 3238.0000 13.7000 D 9735.5659 D Phantom Stock 2023-12-04 4 M 0 3238.0000 0.0000 D 2023-12-02 Common Stock 3238.0000 0.0000 D Each share of phantom stock is the economic equivalent of one share of Mueller Water Products, Inc. common stock on the vesting date. Shares of phantom stock are settled solely in cash upon vesting. Includes 6,430.57 shares acquired under the Mueller Water Products, Inc. Employee Stock Purchase Plan. Phantom stock granted on December 2, 2020 pursuant to the Mueller Water Products, Inc. Phantom Plan. Each share of phantom stock is the economic equivalent of one share of Mueller Water Products, Inc. common stock on the vesting date. Shares of phantom stock will be settled solely in cash upon vesting. Phantom stock awards vest annually, on a pro-rata basis, over a 3-year period. The first tranche of the award (3,239 shares) vested on December 2, 2021; the second tranche (3,238 shares) vested on December 2, 2022; and the third tranche (3,238 shares) vested on December 4, 2023. /s/ Barbara A. Smucygz, Attorney-in-Fact 2023-12-06