Watts Water Technologies, Inc. (NYSE:WTS) – through its subsidiaries, one of the world's leading manufacturers and providers of plumbing, heating and water quality products and solutions – was named one of Newsweek's World's Greenest Companies 2026. This marks the second consecutive year that Watts has received this recognition of the company's continued dedication to advancing environmental sustainability across its operations, products and solutions.

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To compile the list, Newsweek, in partnership with Plant-A Insights Group and GIST Impact, evaluated more than 8,000 publicly listed organizations using publicly available sustainability disclosures and desk research. The 2026 ranking recognizes 850 companies across 28 countries, with companies assessed on more than 25 parameters, including greenhouse gas emissions, water usage, waste generation and sustainability data disclosure and commitments.

"Water is our most precious natural resource, and every day we are focused on helping customers and communities manage it more safely, efficiently and responsibly," said Robert J. Pagano, Jr., CEO, President and Chairperson of the Board at Watts. "Being named one of Newsweek's World's Greenest Companies for the second consecutive year is a meaningful reflection of the progress our teams are making, from reducing the environmental impact of our own operations to developing technologies that support water conservation, energy efficiency and long-term resilience."

In the past year, Watts has been recognized by TIME, USA Today, Barron's, Top Places to Work and Handshake, in addition to multiple Newsweek awards, all of which celebrate the company's holistic commitment to social responsibility and advancements in the water industry.

To learn more about Watts' Environment, Social and Governance (ESG) commitments and initiatives, read the company's Sustainability Report or visit https://www.watts.com/our-story/sustainability.

About Watts

For over 150 years, Watts Water Technologies, Inc., through its family of companies, has provided one of the broadest plumbing, heating, and water quality product lines in the world. A global manufacturer headquartered in the USA, Watts Water companies and brands offer innovative solutions to control the efficiency, safety, and quality of water within commercial, residential, and industrial applications. For more information, visit www.watts.com.

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Watts Water Technologies, Inc.

Diane McClintock

Senior Vice President FP&A and Investor Relations

Telephone: 978-689-6153

Email: investorrelations@wattswater.com

Watts Named One of Newsweek's World's Greenest Companies 2026