Results of Operations and Financial Condition. On August 5, 2026, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter ended June 30, 2026. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities Excha…

Senior Vice President and Chief Human Resources Officer — Todd P. Helms: Mr. Helms is departing the company and will provide transition services as a senior advisor until September 30, 2026.

Results of Operations and Financial Condition. On May 5, 2026, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter ended March 31, 2026. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities Exchang…

Executive Vice President and Chief Commercial Officer — Scott Floyd: Scott Floyd was promoted to Executive Vice President and Chief Commercial Officer.

Results of Operations and Financial Condition. On February 4, 2026, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter ended December 31, 2025. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities…

CEO — Marietta E. Zakas: The CEO is retiring with a pre-announced internal successor (Paul McAndrew) and a structured transition period, indicating an orderly succession rather than a sudden loss of leadership.

Results of Operations and Financial Condition. On November 6, 2025, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter and fiscal year ended September 30, 2025. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing und…

Other Events. On October 23, 2025, the Board of Directors (“Board”) of Mueller Water Products, Inc. (the “Company”) declared an increase to the Company’s quarterly cash dividend by approximately 4.5% to $0.070 per share from $0.067 per share. The dividend will be paid November 20, 2025, to shareholders of record on November 10, 2025. A copy of the press release issued October 23, 2025 announcing the dividend is attached and furnished as Exhibit 99.1 to this current report on Form 8-K and is i…

Chief Accounting Officer — Richelle R. Feyerherm: The filing discloses the appointment of an internal candidate (Vice President, Operations Controller) to the Chief Accounting Officer role, replacing a departing officer in an orderly succession.

Results of Operations and Financial Condition. On August 4, 2025, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter ended June 30, 2025. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities Excha…

Results of Operations and Financial Condition. On May 5, 2025, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter ended March 31, 2025. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities Exchang…

Results of Operations and Financial Condition. On February 4, 2025, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter ended December 31, 2024. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities…

CFO — Melissa Rasmussen: The filing discloses the appointment of an external candidate as the new Chief Financial Officer, which is a significant management change but not a departure of a sitting executive.

CEO — Marietta Edmunds Zakas: The filing discloses a modification to the CEO's employment and severance agreement, not an actual departure, appointment, or board election.

Results of Operations and Financial Condition. On November 6, 2024, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter and fiscal year ended September 30, 2024. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing und…

CFO — Steven S. Heinrichs: The CFO is transitioning to a Senior Advisor role with a structured exit package, representing an orderly succession rather than a sudden loss of executive leadership.

Results of Operations and Financial Condition. On August 5, 2024, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter ended June 30, 2024. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities Excha…

Director — Christian A. Garcia: The filing discloses the appointment of a new independent director to a newly created board seat, which is a routine governance action rather than an executive departure.

Results of Operations and Financial Condition. On May 6, 2024, Mueller Water Products, Inc. (the “Company”) announced its results of operations for the quarter ended March 31, 2024. A copy of the press release is attached as Exhibit 99.1. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities Exchang…

CEO — Marietta Edmunds Zakas: The filing announces the reaffirmation of the current CEO and the promotion of the current COO to President and COO, representing internal succession and role expansion rather than a departure.

Entry into a Material Definitive Agreement. On March 28, 2024, Mueller Water Products, Inc. (the “Company”) amended its asset based lending credit agreement (the “ABL Agreement”) to, among other things, (i) extend its maturity date from July 29, 2025 to the earlier of (a) March 28, 2029 and (b) 91 days prior to the stated maturity date of the Company’s 4.000% senior notes due June 15, 2029 (as the same may be extended from time to time in accordance with the indenture governing such notes) if…