X0306 4 2021-11-30 0001350593 Mueller Water Products, Inc. MWA 0001191471 ZAKAS MARIETTA EDMUNDS 1200 ABERNATHY ROAD SUITE 1200 ATLANTA GA 30328 1 EVP and CFO Common Stock 2021-11-30 4 A 0 25959.0000 0.0000 A 329005.8074 D Restricted Stock Unit 2021-11-30 4 A 0 12015.0000 0.0000 A 36443.0000 D Common Stock 28101.8600 I By Spouse Stock Option (Right to Buy) 13.6400 2021-11-30 4 A 0 47778.0000 0.0000 A 2031-11-30 Common Stock 47778.0000 47778.0000 D Acquisition is pursuant to grant of performance-based restricted stock units under the Mueller Water Products, Inc. Amended and Restated 2006 Stock Incentive Plan. Units earned based on performance during three (3) separate performance periods vested on the last day of the three-year award cycle. Excludes shares required to be withheld for tax liabilities. Includes 1,768.01 shares acquired under the Mueller Water Products, Inc. Employee Stock Purchase Plan. Acquisition is pursuant to grant of restricted stock units under the Mueller Water Products, Inc. Second Amended and Restated 2006 Stock Incentive Plan. Each restricted stock unit represents a contingent right to receive one (1) share of Mueller Water Products, Inc. Common Stock when the restrictions lapse. The lapse occurs in three (3) equal, annual installments beginning on the first anniversary of the grant date. Shares acquired by reporting person's spouse through retirement plan. The stock options will vest in three (3) equal, annual installments on the anniversary of the grant date. /s/ Barbara A. Smucygz, Attorney-in-Fact 2021-12-02