ST. PAUL, Minn. – May 25, 2021 – Ecolab Inc. President and CEO Christophe Beck will lead a discussion for investors regarding Ecolab’s ESG approach and strategy on Tuesday, June 8. Ecolab will offer a live webcast of the event. Details for the webcast are as follows:

TIME: 10:00 a.m. Eastern Time

DATE: Tuesday, June 8, 2021

DURATION: Approximately 60 minutes

LOCATION: www.ecolab.com/investor

ARCHIVE: A replay of the webcast will be available on Ecolab’s website.

To access the webcast, visit the Events and Presentations section of Ecolab’s Investor website at www.ecolab.com/investor and click on the webcast details.

About Ecolab

A trusted partner at nearly three million customer locations, Ecolab (ECL) is the global leader in water, hygiene and infection prevention solutions and services. With annual sales of $12 billion and more than 44,000 associates, Ecolab delivers comprehensive solutions, data-driven insights and personalized service to advance food safety, maintain clean and safe environments, optimize water and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare, hospitality and industrial markets in more than 170 countries around the world. www.ecolab.com

Follow us on LinkedIn @Ecolab, Twitter @Ecolab, Instagram @Ecolab_Inc and Facebook @Ecolab.

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Investor Contacts:

Michael Monahan

+1 651 250 2809

Nate Brochmann

+1 651 250 3837

Andrew Hedberg

+1 651 250 2185

May 25, 2021

(ECL-C)