Paul McAndrew Appointed Chief Executive Officer Effective February 9, 2026 Martie Edmunds Zakas to Retire as CEO After Accomplished 19-Year Career with Mueller (Form 8-K)

Paul McAndrew Appointed Chief Executive Officer Effective February 9, 2026

Martie Edmunds Zakas to Retire as CEO After Accomplished 19-Year Career with Mueller

ATLANTA, November 6, 2025 -- Mueller Water Products, Inc. (NYSE: MWA) ("Mueller" or the "Company"), a leading manufacturer and marketer of products and solutions used in the transmission, distribution and measurement of water in North America, today announced that its Board of Directors has appointed President and Chief Operating Officer Paul McAndrew as President and Chief Executive Officer, effective as of the date of the annual shareholders meeting on February 9, 2026. Mr. McAndrew will succeed Martie Edmunds Zakas, who will retire as CEO and a member of the Board at that time. Mr. McAndrew has also been nominated by Mueller's Board of Directors to join the Board. Ms. Zakas will serve as a Senior Advisor to the Company through December 31, 2026, to facilitate a smooth transition.

"Today's announcement is a result of the Board's thoughtful approach to succession planning, and we are pleased to welcome Paul as Mueller's next CEO," said Stephen Van Arsdell, Non-Executive Chair of Mueller's Board. "Paul has been a key member of the management team for the last three years, including as President and COO. He has played a central role in improving our organization, its operations and our financial success. Paul has a deep understanding of our industry and culture, and he has developed strong employee and customer relationships. His ability to engage stakeholders at all levels has been instrumental in driving Mueller's positive momentum."

"On behalf of the Board and our entire organization, I extend our deep appreciation to Martie," continued Van Arsdell. "Martie's impact on our organization is evident in the exceptional leadership team she has built, and the strong results Mueller has achieved for its stakeholders under her leadership during these complex and challenging times. She has been instrumental in driving growth, shaping our culture and building shareholder value over the past two decades, culminating in her role as our CEO. She has played a key role in positioning Mueller for future success. I am pleased that Martie will work with us in an advisory capacity over the next year to support a smooth transition and build on the Company's momentum."

"I'm honored to become the next CEO of Mueller," said McAndrew. "I look forward to continuing to work closely with the entire organization as we become an even stronger partner to all our stakeholders. I want to thank Martie for her leadership over the years and the Board for the trust placed in me. I am excited to continue to help drive this tremendous organization as we pursue continued growth and success together."

"Our incredible employees are the foundation of Mueller's success, and being part of this talented team has been a privilege. I am extremely proud of all that we have accomplished,"

said Zakas. "Throughout Mueller's history, we have worked to deliver innovative and sustainable solutions that help solve real-world problems. We have also demonstrated a commitment to excellence for our customers and the communities we serve. I have great confidence that Paul and the entire Mueller team will build on the organization's continued positive momentum and success."

Fourth Quarter 2025 Results

In a separate release issued today, Mueller announced financial results for its fourth quarter and fiscal year ended September 30, 2025. The Company's earnings conference call will take place on Friday, November 7, 2025, at 10:00 a.m. ET, and a live webcast of the call will be available on the Investor Relations section of the Company's website (www.muellerwaterproducts.com).

About Paul McAndrew

Paul McAndrew has been the Company's Chief Operating Officer since August 2023, adding the position of President in May 2024. Prior to August of 2023, he was the Senior Vice President of Global Operations and Supply Chain, overseeing the Company's global manufacturing operations and supply chain. He is a seasoned operating executive with strong leadership experience in operations, engineering and sales. Prior to joining Mueller in 2022, Mr. McAndrew worked at Emerson as a Vice President and General Manager of Professional Tools where he held full P&L responsibility and leadership across all functions, including sales and marketing, product management and engineering, operations and supply chain and human resources. Mr. McAndrew also played a pivotal role in Emerson's successful acquisition of Textron's Tools and Test business, Greenlee, in 2018. At the time, Mr. McAndrew was serving as Vice President & General Manager at Greenlee, where he led the Americas Greenlee business and held full P&L responsibility and leadership across all functions. From 2003 to 2017, Mr. McAndrew worked at Kautex Textron, serving in various operating roles in multiple countries. Mr. McAndrew earned a Bachelor of Engineering degree from Cardiff University.

Forward Looking Statements