32^nd Consecutive Annual Cash Dividend Increase

The board of directors of Ecolab Inc. today declared an 8% increase in the company's quarterly cash dividend to $0.57 per common share, to be paid January 16, 2024, to shareholders of record at the close of business on December 19, 2023. This increase results in a new indicated annual cash dividend of $2.28 per share in 2024 and represents Ecolab's 32^nd consecutive annual dividend rate increase.

Ecolab has paid cash dividends on its common stock for 87 consecutive years.

Commenting on the increase, Christophe Beck, Ecolab's Chairman and Chief Executive Officer said, "The robust growth in Ecolab's cash dividend reflects our strong business momentum heading into 2024, excellent cash flow, and our commitment to returning to historical dividend payout ratio levels. We remain committed to enhancing total shareholder returns through strong growth in our business and attractive cash dividends."

About Ecolab

A trusted partner for millions of customers, Ecolab (NYSE:ECL) is a global sustainability leader offering water, hygiene and infection prevention solutions and services that protect people and the resources vital to life. Building on a century of innovation, Ecolab has annual sales of $14 billion, employs more than 47,000 associates and operates in more than 170 countries around the world. The company delivers comprehensive science-based solutions, data-driven insights and world-class service to advance food safety, maintain clean and safe environments, and optimize water and energy use. Ecolab's innovative solutions improve operational efficiencies and sustainability for customers in the food, healthcare, life sciences, hospitality and industrial markets. www.ecolab.com

(ECL-D)

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Ecolab Increases Cash Dividend 8%