Acquisition to Enhance Pentair’s Solutions to Support Water Needs of Growing Cities

Pentair plc (NYSE: PNR), a leader in helping the world sustainably move, improve and enjoy water, life’s most essential resource, today announced it has entered into a definitive agreement to acquire Hydra-Stop LLC, a leading provider of specialty valve solutions, for approximately $290 million in cash, subject to customary adjustments, from Madison Industries. When adjusted for approximately $50 million of expected tax benefits, the net transaction value is approximately $240 million.

Hydra-Stop, a leading insertion valve and line stop manufacturer, employs more than 50 team members and operates in Burr Ridge, Ill. With approximately 99% of sales in the United States, Hydra-Stop is expected to generate approximately $50 million in revenue in full year 2025 with an expected Return on Sales of approximately 30%.

“This strategic acquisition will help accelerate our growth initiatives for our commercial and infrastructure business by supporting municipalities and their service providers in addressing critical water issues through differentiated solutions that help maintain the flow of water in essential applications while preventing water loss,” said De’Mon Wiggins, Executive Vice President and President, Pentair Flow. “We believe the Hydra-Stop culture and priorities are highly aligned with our efforts to help the world sustainably move water, life’s most essential resource, and look forward to welcoming the Hydra-Stop employees to Pentair.”

Upon closing of this transaction, Pentair plans to have Hydra-Stop operate within its Commercial and Infrastructure business unit of the Pentair Flow business segment. The acquisition is anticipated to be completed by the end of 2025, subject to customary closing conditions, including necessary regulatory approvals.

ABOUT PENTAIR PLC

At Pentair, we help the world sustainably move, improve and enjoy water, life’s most essential resource. From our residential and commercial water solutions, to industrial water management and everything in between, Pentair is a core large cap value S&P 500 equity stock focused on smart, sustainable water solutions that help our planet and people thrive.

Pentair had revenue in 2024 of approximately $4.1 billion, and trades under the ticker symbol PNR. With approximately 9,750 global employees serving customers in more than 150 countries, we work to help improve lives and the environment around the world. To learn more, visit www.pentair.com.

ABOUT HYDRA-STOP LLC

Founded in 1981, Hydra-Stop is a leading provider of safe, efficient and cost-effective specialty insertion valves, line stop fittings and installation equipment serving water utility service providers and municipalities throughout the United States. Hydra-Stop’s innovative products prevent water service shutdowns for municipalities and critical facilities by allowing only the affected section of a water pipe to be repaired versus shutting down vast sections of a water system. For more information, visit www.hydra-stop.com.

CAUTION CONCERNING FORWARD-LOOKING STATEMENTS

This release contains statements that we believe to be “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact, are forward-looking statements. Without limitation, any statements preceded or followed by or that include the words “targets,” “plans,” “believes,” “expects,” “intends,” “will,” “likely,” “may,” “anticipates,” “estimates,” “projects,” “should,” “would,” “could,” “positioned,” “strategy,” or “future” or words, phrases, or terms of similar substance or the negative thereof are forward-looking statements. All statements made about the anticipated acquisition, including the anticipated time for completing the transaction, the expected financial results of the acquired business and the anticipated benefits of the acquisition are forward-looking statements. These forward-looking statements are not guarantees of future performance and are subject to risks, uncertainties, assumptions and other factors, some of which are beyond our control, which could cause actual results to differ materially from those expressed or implied by such forward-looking statements. These factors include our ability to close the acquisition on the expected terms and time schedule, including obtaining regulatory approvals and satisfying other closing conditions; our ability to integrate the acquisition successfully; our ability to retain customers and employees of the acquired business; the overall global economic and business conditions impacting our business, including the strength of housing and related markets and conditions relating to international hostilities; supply, demand, logistics, competition and pricing pressures related to and in the markets we serve; the ability to achieve the benefits of our restructuring plans, cost reduction initiatives and Transformation Program; the impact of raw material, logistics and labor costs and other inflation; volatility in currency exchange rates and interest rates; failure of markets to accept new product introductions and enhancements; the ability to successfully identify, finance, complete and integrate acquisitions; risks associated with operating foreign businesses; the impact of seasonality of sales and weather conditions; our ability to comply with laws and regulations; the impact of changes in laws, regulations and administrative policy, including those that limit U.S. tax benefits or impact trade agreements and tariffs; the outcome of litigation and governmental proceedings; and the ability to achieve our long-term strategic operating and sustainability goals and targets. Additional information concerning these and other factors is contained in our filings with the U.S. Securities and Exchange Commission, including our Annual Report on Form 10-K for the year ended December 31, 2024. All forward-looking statements, including all financial forecasts, speak only as of the date of this release. Pentair assumes no obligation, and disclaims any obligation, to update the information contained in this release.

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