Business Description

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 managemen t and everything in between, Pentair is an S&P 500 company focused on smart, sustainable water solutions that help our planet and people thrive. Pentair strategy Our vision is to be the world’s most valued sustainable water solutions company for our employees, customers and shareholders. As a company, we: • Focus on growth in our core businesses and strategic initiatives; • Accelerate digital innovation and technology as well as sustainability investments; • Expedite growth and drive margin expansion through our Transformation Program; and • Build a high performance growth culture and deliver on our commitments while living our Win Right values. HISTORY AND DEVELOPMENT We are an Irish public limited company that was formed in 2014. We are the successor to Pentair Ltd., a Swiss corporation formed in 2012, and Pentair, Inc., a Minnesota corporation formed in 1966 and our wholly-owned subsidiary, under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Although our jurisdiction of organization is Ireland, we manage our affairs so that we are centrally managed and controlled in the United Kingdom (the “U.K.”) and therefore have our tax residency in the U.K. On September 17, 2025, as part of our Flow reportable segment, we completed the acquisition of Hydra-Stop, LLC (“Hydra-Stop”) for $292.1 million in cash, net of cash acquired, and subject to customary adjustments. Hydra-Stop manufactures specialty insertion valves, line stop fittings and installation equipment. In December 2024, as part of our Pool reportable segment, we completed the acquisition of G & F Manufacturing, LLC (“G & F Manufacturing”) for $116.0 million in cash, net of cash acquired. The net purchase price was comprised of an upfront cash payment of $108.0 million, and the estimated fair value at the acquisition date of a contingent earn-out liability based upon the achievement of certain defined operating results in the two years following the acquisition. G & F Manufacturing manufactures and services pool heat pumps. Our registered principal office is located at Regal House, 70 London Road, Twickenham, London, TW13QS United Kingdom. Our management office in the United States (“U.S.”) is located at 5500 Wayzata Boulevard, Suite 900, Golden Valley, Minnesota. BUSINESS AND PRODUCTS Pentair is comprised of three