Mueller Water Products Inc

(c) Our Section 16 officers and directors, as defined in Rule 16a-1(f) of the Securities and Exchange Act of 1934 (the “Exchange Act”), may from time to time enter into plans for the purchase or sale of our common stock that are intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act. During the quarter ended December 31, 2024, the following officer adopted a “Rule 10b5-1 trading arrangement” (as defined in Item 408 of Regulation S-K of the Exchange Act):

Mr. Steve Heinrichs, the Company’s Chief Financial Officer and Chief Legal and Compliance Officer, adopted a written trading plan on December 4, 2024. The trading plan begins on March 5, 2025, and ends May 16, 2025. The trading plan is intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) and permits Mr. Heinrichs to sell up to 227,099 shares of common stock of the Company, subject to certain conditions.

This trading plan was adopted during an open trading window.

No other Section 16 officer or director, as defined in Rule 16a-1(f), adopted, modified, or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K, during the three months ended December 31, 2024.