May 9, 2023

Atlanta, GA (GLOBE NEWSWIRE) - Mueller Water Products, Inc. (NYSE: MWA) announced the release of its third Environmental, Social and Governance (ESG) Report sharing its ongoing progress and further demonstrating the Company’s commitment to driving toward sustainability leadership in the industry. 2022 ESG Report Highlights 86 percent recycled metal used to produce our products 21 percent decrease in waste directed to disposal 56,925 metric tons of recycled metal used (vs. 22,644 metric tons of total waste generated) 2.8 billion gallons of water loss savings generated for clients by EchoShore® leak detection since 2020 “As exhibited by these highlights, during 2022 we continued to make progress on key initiatives that enable us to help water utilities address the growing challenges related to aging infrastructure and climate change. Our broad portfolio of products and services helps customers reduce non-revenue water, extend pipe life and provide life-saving fire protection,” said Scott Hall, Mueller CEO and President. “We are committed to providing intelligent products and services that help cities and municipalities repair and replace their aging infrastructures, increase the resiliency of their distribution networks and respond to water-related climate impacts.” “We also continued to drive down operational emissions and achieved our initial emissions target significantly ahead of plan,” Scott continued. “In addition, our new brass foundry is a major step in advancing our environmental commitment and will be a noteworthy advancement in sustainability for our customers and communities.” Mueller’s Key ESG Targets Reduce Scope 1 and Scope 2 GHG emissions intensity by 50 percent by 2035 using 2022 as the baseline Reduce water withdrawal intensity by 3 percent year-over-year Achieve zero waste to landfills by 2035 Identify a total of 7.7 billion gallons of water loss from our EchoShore® leak detection technology between 2020 and 2027 Convert all brass products to a lead-free alloy and achieve 100% lead-free brass manufacturing processes by 2030 Achieve zero safety incidents Improve employee engagement in our Wellness Program by 5 percent year-over-year by the end of 2023 Complete details on these highlights and the progress toward these targets are outlined in the full 2022 ESG Report here. From a governance and climate perspective, the Company noted that in this report, it has expanded its disclosures to include reference to the Task Force on Climate-related Financial Disclosures (TCFD) recommendations representing how climate-related risks and opportunities are embedded in its business decisions. Its disclosures also continue to be guided by the Sustainability Accounting Standards Board (SASB) standards and the Global Reporting Initiative (GRI) standards. Its business is aligned with SASB’s Industrial Machinery and Goods and Iron and Steel Producers standards. GRI, SASB and TCFD indices can be found in the appendix of the report. To learn more about Mueller Water Product’s ESG strategy, initiatives, performance, targets and goals, please visit the ESG page on our website, https://www.muellerwaterproducts.com/environmental-social-and-governance Cautionary Statement The standards of measurement and performance contained in Mueller’s 2022 ESG Report are currently being developed and are based on assumptions, and no assurance can be given that any plan, initiative, projection, goal, commitment, expectation or prospect set forth in this report can or will be achieved. Any references to the SASB, GRI, TCFD or other standards are provided for informational purposes only and are not intended to indicate that the Company currently complies with any such guidelines or standards. The inclusion of information in this report is not an indication that the subject or information is material to the Company’s business or operating results. Forward-Looking Statements Mueller’s 2022 ESG Report contains certain statements that may be deemed “forward-looking statements” within the meaning of the federal securities laws. All statements that address activities, events or developments that the Company intends, expects, plans, projects, believes or anticipates will or may occur in the future are forward-looking statements, including, without limitation, statements regarding goals, outlooks, projections, forecasts, expectations, commitments, trend descriptions and the ability to capitalize on trends, long-term strategies and the execution or acceleration thereof, including sustainability focus areas, targets, expectations, estimates and the development of future technologies. Forward-looking statements are based on certain assumptions and assessments made by the Company in light of the Company’s experience and perception of historical trends, current conditions and expected future developments. Actual results and the timing of events may differ materially from those contemplated by the forward-looking statements due to a number of factors, without limitation, including the factors that are described in the section entitled “RISK FACTORS” in Item 1A of the Company’s most recent Annual Report on Form 10-K and later filings on Form 10-Q, as applicable. Forward-looking statements do not guarantee future performance and are only as of the date they are made. The Company undertakes no duty to update its forward-looking statements except as required by law. Undue reliance should not be placed on any forward-looking statements. You are advised to review any further disclosures the Company makes on related subjects in subsequent Forms 10-K, 10-Q, 8-K and other reports filed with the U.S. Securities and Exchange Commission. Any ESG data included in the report is not subject to GAAP reporting and is not audited. About Mueller Water Products, Inc. Mueller Water Products, Inc. is a leading manufacturer and marketer of products and services used in the transmission, distribution and measurement of water in North America. Our broad product and service portfolio includes engineered valves, fire hydrants, pipe connection and repair products, metering products, leak detection, pipe condition assessment, pressure management products, and software technology that provides critical water system data. We help municipalities increase operational efficiencies, improve customer service and prioritize capital spending, demonstrating why Mueller Water Products is Where Intelligence Meets Infrastructure®. Visit us at www.muellerwaterproducts.com. Mueller refers to one or more of Mueller Water Products, Inc. (MWP), a Delaware corporation, and its subsidiaries. MWP and each of its subsidiaries are legally separate and independent entities when providing products and services. MWP does not provide products or services to third parties. MWP and each of its subsidiaries are liable only for their own acts and omissions and not those of each other. Mueller brands include Mueller®, Echologics®, Hydro Gate®, Hydro-Guard®, HYMAX®, i2O®, Jones®, Krausz®, Mi.Net®, Milliken®, Pratt®, Pratt Industrial®, Sentryx™, Singer®, and U.S. Pipe Valve & Hydrant. Please see muellerwp.com/brands to learn more. © 2023 GlobeNewswire, Inc. All Rights Reserved. Source: Mueller Water Products