X0508 4 2024-08-19 0001350593 Mueller Water Products, Inc. MWA 0001180972 HANSEN THOMAS J 1200 ABERNATHY RD., NE SUITE 1200 ATLANTA GA 30328 1 0 Common Stock 2024-08-19 4 M 0 10791.0000 9.9700 A 113583.0000 D Common Stock 2024-08-19 4 S 0 10791.0000 20.5542 D 102792.0000 D Stock Option (Right to Buy) 9.9700 2024-08-19 4 M 0 10791.0000 9.9700 D 2025-01-28 Common Stock 10791.0000 0.0000 D This transaction was an exercise of vested stock options granted in January 2015 that would have expired in January 2025. The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $20.530 to $20.580, 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 sold at each separate price within the ranges set forth in this footnote. The stock option vested in three equal annual installments beginning on the first anniversary of the grant date, January 28, 2015. /s/ Barbara A. Smucygz, Attorney-in-Fact 2024-08-19