Ecolab will host a live webcast to discuss its third quarter 2026 results. A news release containing third quarter results is expected to be issued before market open on October 27, 2026.

Details for the public webcast are as follows:

TIME:	1:00 p.m. Eastern Time
DATE:	Tuesday, October 27, 2026
DURATION:	One hour
LOCATION:	www.ecolab.com/investor
ARCHIVE:	A replay of the webcast and supplemental data will be available on Ecolab’s website.

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 improves 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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Andrew Hedberg

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