34^th Consecutive Annual Cash Dividend Increase

The board of directors of Ecolab Inc. today declared a 12% increase in the company's quarterly cash dividend to $0.73 per common share, to be paid January 15, 2026, to shareholders of record at the close of business on December 16, 2025. This increase results in a new indicated annual cash dividend of $2.92 per share in 2026 and represents Ecolab's 34^th consecutive annual dividend rate increase.

Ecolab has paid cash dividends on its common stock for 89 consecutive years.

Commenting on the increase, Christophe Beck, Ecolab's Chairman and Chief Executive Officer said, "The increase in Ecolab's cash dividend underscores the strength of our business and our confidence in the future. Our robust cash flows, disciplined capital allocation, and strong balance sheet enable us to deliver superior shareholder returns while continuing to invest in innovation and growth. As we approach the end of another year of double-digit earnings growth, we remain focused on delivering strong and consistent shareholder value, fueled by our target of 12-15% growth in adjusted diluted earnings per share in 2026 and the years to come."

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 more than a century of innovation, Ecolab has annual sales of $16 billion, employs approximately 48,000 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, high-tech, life sciences, hospitality and industrial markets. www.ecolab.com

Cautionary Statements Regarding Forward-Looking Information

This news release contains certain statements relating to future events and our intentions, beliefs, expectations and predictions for the future which are forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. Words or phrases such as "will likely result," "are expected to," "will continue," "is anticipated," "we believe," "we expect," "estimate," "project," "may," "will," "intend," "plan," "believe," "target," "forecast" (including the negative or variations thereof) or similar terminology used in connection with any discussion of future plans, actions or events generally identify forward-looking statements. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions and our financial and business performance and prospects, including sales, earnings, special gains and charges, raw material costs, margins, pricing, currency translation, productivity, investments and new business. These statements are based on the current expectations of management of the company. There are a number of risks and uncertainties that could cause actual results to differ materially from the forward-looking statements included in this news release. These risks and uncertainties are set forth under Item 1A of our most recent Form 10-K, and our other public filings with the Securities and Exchange Commission. In light of these risks, uncertainties, assumptions and factors, the forward-looking events discussed in this news release may not occur. We caution that undue reliance should not be placed on forward-looking statements, which speak only as of the date made. Ecolab does not undertake, and expressly disclaims, any duty to update any forward-looking statement whether as a result of new information, future events or changes in expectations, except as required by law.

(ECL-D)

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Investor Contact:

Andrew Hedberg

(651) 250-2185

Andrew Pearson

(651) 250-3654

Ecolab Increases Cash Dividend 12%