Ecolab Inc. will host its 2026 Investor Day in conjunction with the SC26 Supercomputing Conference on Tuesday, November 17, 2026, in Chicago.

Christophe Beck, chairman, president and chief executive officer; Scott Kirkland, chief financial officer; and other members of Ecolab’s senior leadership team will provide an in-depth look at the technology, innovation and growth strategies that are strengthening the company’s business model, market position and long-term growth algorithm.

The event will highlight Ecolab’s technology investments, the rapid growth of its Global High-Tech business and the company’s expanding role in the AI infrastructure market by enabling more computing power with less water and less energy. Management will also discuss how Ecolab’s growth engines are accelerating Ecolab’s shift toward higher-growth, higher-margin markets.

The program will include formal presentations, a Q&A session and a guided tour of Ecolab's Global High-Tech exhibition booth at the SC26 Supercomputing Conference.

Ecolab’s booth will showcase its newly integrated, end-to-end cooling platform, which combines CoolIT’s liquid cooling technologies with Ecolab’s 3D TRASAR digital capabilities. The platform is designed to help data center operators optimize water use, energy efficiency and computing performance as demand for advanced computing continues to scale.

To register to attend the event in person, please contact Ecolab’s Investor Relations department. Space will be limited. A live webcast of the presentation will be available via the investor section of our website at www.ecolab.com/investor. A replay of the webcast will be available following the event.

About Ecolab

A trusted partner for millions of customers, Ecolab (NYSE:ECL) is a global leader in water, hygiene and infection prevention solutions and services that protect people and the resources vital to life. For more than a century, Ecolab has advanced innovation by integrating science-based solutions, data-driven insights, AI technology and world-class service. This unique combination enables Ecolab to partner with customers to define what best-in-class looks like and scale it across their operations, helping them achieve peak performance. Today, Ecolab delivers $16 billion in annual sales, employs 48,000 associates and serves customers in more than 170 countries and 40 industries. The company helps protect one-third of the world’s food production and a quarter of the power generated while delivering innovative solutions across food, hospitality, healthcare, data centers, microelectronics and life sciences. As the world’s water company, Ecolab plays an important role in AI growth by supporting the full water needs of advanced computing—from ultra‑pure water for chip manufacturing, to water solutions that support the power behind AI, to direct liquid cooling systems for high‑density computing that improve performance while reducing environmental impact through circular water use. In life sciences, Ecolab delivers end-to-end solutions that support the development and manufacturing of life-saving drugs, helping customers operate safely and consistently at scale while improving performance and reducing environmental impact. Through its comprehensive approach, Ecolab protects what’s vital, with a goal by 2030 to help protect 2 billion people from infections and conserve enough drinking water for 1 billion people, while continuing to enhance business performance.

Ecolab. Protecting What’s Vital.

www.ecolab.com

(ECL-C)

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