X0508 4 2025-12-03 0001350593 Mueller Water Products, Inc. MWA 0001729377 Helms Todd P 1200 ABERNATHY RD., NE SUITE 1200 ATLANTA GA 30328 1 SVP and CHRO 0 Common Stock 2025-12-03 4 F 0 665.0000 24.6200 D 80212.8641 D Common Stock 2025-12-04 4 M 0 11329.0000 11.4100 A 91541.8641 D Common Stock 2025-12-04 4 M 0 9469.0000 13.2200 A 101010.8641 D Common Stock 2025-12-04 4 S 0 7079.0000 24.6201 D 93931.8641 D Common Stock 2025-12-04 4 S 0 8015.0000 24.6201 D 85916.8641 D Stock Option (Right to Buy) 13.2200 2025-12-04 4 M 0 9469.0000 0.0000 D 2033-11-28 Common Stock 9469.0000 9469.0000 D Stock Option (Right to Buy) 11.4100 2025-12-04 4 M 0 11329.0000 0.0000 D 2032-11-29 Common Stock 11329.0000 0.0000 D Shares were withheld to cover the tax liability on the lapse of the restrictions on restricted stock units. The price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $24.555 to $24.685, inclusive. The reporting person undertakes to provide to Mueller Water Products, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. Includes 9.77 shares acquired under the Employee Stock Purchase Plan ("ESPP"). The stock options vest in three equal annual installments beginning on the first anniversary of the grant date. /s/ Barbara A. Smucygz, Attorney-in-Fact 2025-12-05