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News Release

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ECOLAB ANNOUNCES RECORD FOURTH QUARTER AND STRONG 2026 OUTLOOK

REPORTED DILUTED EPS $1.98; ADJUSTED DILUTED EPS $2.08, +15%

2026 ADJUSTED DILUTED EPS OUTLOOK: $8.43 - $8.63, +12% - 15%

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FOURTH QUARTER HIGHLIGHTS

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OUTLOOK

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ST. PAUL, Minn., February 10, 2026

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CEO Comment

Christophe Beck, Ecolab’s chairman and chief executive officer, said, “2025 was a record year for Ecolab with record sales, operating income margin, EPS, and free cash flows. We finished the year with very strong momentum, delivering adjusted diluted EPS growth of 15% in the fourth quarter. This strong performance was fueled by accelerating organic sales growth across most businesses and significant operating income margin expansion. I’m incredibly proud of our team and all they achieved this year. They delivered unmatched customer value and brought breakthrough innovation to market while advancing our One Ecolab growth strategy. Underlying organic sales grew mid-single digits, excluding a combined 2% headwind from basic industries, Paper and an unexpected short-term impact from distributor inventory reductions in Institutional. We expect the distributor inventory impact to largely normalize in the first quarter of 2026, with pressures in basic industries and Paper progressively easing over the next few quarters. Combined with strong new business wins and continued momentum across our growth engines, we expect volume growth to get back to 1% as we exit the first quarter, with growth accelerating further as the year progresses. Overall, our record performance in 2025 underscores the strength and resilience of both our portfolio and our people, and the power of our best-in-class customer value proposition.

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“Looking ahead, I am very confident in our ability to deliver continued strong performance in 2026. We are driving better-than-expected savings from our One Ecolab productivity initiatives and now anticipate annualized savings to increase from $225 million to $325 million by 2027. The recent acquisition of Ovivo Electronics ultrapure water business is off to a great start. This business further strengthens our Global High-Tech business, creating an end-to-end water circularity offering for microelectronics customers and doubles the size of one of our most significant growth engines. Including the acquisition of Ovivo Electronics, we expect reported sales to increase 7% to 9% and organic sales to increase 3% to 4% in 2026, with organic growth accelerating through the year.  With this, along with 100 to 150 basis points of operating income margin expansion, we expect to deliver 14% to 16% growth in adjusted operating income, 12% to 15% growth in adjusted diluted EPS and continued strong returns for shareholders.”

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Fourth Quarter 2025 Consolidated Results

Ecolab’s fourth quarter reported sales increased 5%. Organic sales increased 3% when compared to the prior year. Ecolab Digital sales increased 24% to $99 million, with double-digit growth across both software and enabling hardware subscriptions.

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Fourth quarter 2025 reported operating income increased 22% including the impact of special gains and charges and the impact of the Ovivo Electronics acquisition. Organic operating income increased 12%, as solid sales growth and improved productivity were partially offset by growth-oriented investments in the business.

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Reported other income in the fourth quarter of 2025 was stable. Reported net interest expense increased $3 million reflecting the impact of interest expense on debt used to fund the Ovivo Electronics acquisition.

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The reported income tax rate for the fourth quarter of 2025 was 13.9% compared with the reported rate of 10.3% in the fourth quarter of 2024. Excluding special gains and charges, discrete tax items, and the impact of the Ovivo Electronics acquisition, the adjusted tax rate for the fourth quarter of 2025 was 19.4% compared with the adjusted tax rate of 18.2% in the fourth quarter of 2024. The higher adjusted tax rate reflected changes in geographic income mix.

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Reported net income increased 19% versus the prior year. Excluding the impact of special gains and charges, discrete tax items and the impact of the Ovivo Electronics acquisition, adjusted net income increased 14% versus the prior year.

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Reported diluted earnings per share increased 19% versus the prior year. Adjusted diluted earnings per share increased 15% when compared against the fourth quarter of 2024.

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Currency translation had a $0.05 favorable impact on earnings per share in the fourth quarter of 2025.

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Ecolab repurchased approximately 1.5 million shares of its common stock during the fourth quarter of 2025.

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Fourth Quarter 2025 Segment Review

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The Global Water segment includes Light and Heavy, Food & Beverage, and Paper

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Fixed currency sales increased 3% and organic sales increased 2%. Underlying sales grew mid-single digits excluding basic industries and Paper. Light & Heavy’s growth was led by double-digit growth in Global High-Tech, improved growth in downstream and solid gains in manufacturing, which more than offset softer sales in basic industries. Robust new business gains in Food & Beverage, which leveraged our One Ecolab growth strategy, drove a further acceleration in sales growth. Lower Paper sales reflected new business wins that were more than offset by soft customer production rates. Organic operating income increased 3% as solid underlying performance was partially offset by softer Paper and basic industries volumes and growth investments. Water’s organic operating income growth is expected to accelerate in the first quarter of 2026.

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Fixed currency sales and organic sales both increased 3%. Underlying sales growth was consistent with prior quarters, excluding a short-term impact from lower distributor inventories, which does not reflect a change in end customer demand. Distributor inventory impacts are expected to largely normalize in the first quarter of 2026. Institutional’s underlying performance reflected good growth with hospitality customers and modestly higher sales to hospitals. Specialty delivered continued strong sales growth, driven by robust new business wins and continued value pricing. Organic operating income increased 16%, as strong value pricing and improved productivity were partially offset by the impact of lower distributor inventories.

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Fixed currency sales and organic sales both accelerated to 7%. Strong organic sales growth was led by robust gains in food & beverage, restaurants, and food retail, which continue to benefit from our One Ecolab growth strategy. Organic operating income increased 46% as strong sales growth, improved productivity, and a comparison to costs last year associated with an unfortunate and

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unusual spike in accidents were partially offset by growth-oriented investments, including pest intelligence.

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Fixed currency and organic sales growth both accelerated to 7% as continued double-digit growth in bioprocessing and strong growth in pharmaceutical & personal care overcame ongoing capacity constraints within Life Sciences’ industrial water purification business. Organic operating income increased 3%, as strong sales growth, lower supply chain costs and improved productivity overcame growth-oriented investments in the business, including higher performance-based compensation. Life Sciences’ current mid-teens organic operating income margin reflects strong underlying profitability and continued investments in breakthrough innovation, global capabilities, and capacity to unlock this very attractive, long-term growth opportunity.

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Fourth quarter of 2025 corporate segment includes:

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Special gains and charges for the fourth quarter of 2024 impacting operating expense were a net charge of $105 million primarily related to restructuring costs.

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In February 2026, Ecolab expanded the One Ecolab initiative and now expect to realize total annualized savings of approximately $325 million by 2027 as the leverage of AI and digital technologies drive stronger benefits. As part of this program, Ecolab expects to incur pre-tax charges of approximately $425 million by the end of 2027, which are expected to primarily be cash expenditures for severance costs relating to team realignment.

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Business Outlook

2026

Secular growth trends in water, hygiene, infection prevention, and digital technologies continue to fuel resilient, long-term demand for Ecolab’s innovative technologies and services. Strong momentum in Ecolab’s growth engines, which include Life Sciences, Pest Elimination, Global High-Tech and Ecolab Digital, is expected to continue. Ecolab’s investments in these areas position the company well to capitalize on these attractive long-term high-growth, high-margin opportunities.

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In the near-term, the global operating environment remains unpredictable, including constantly evolving geopolitics and international trade policy, which are impacting end-market demand. Ecolab’s team has demonstrated it can adjust quickly to deliver high performance in almost any environment, which is why even with these dynamic macroeconomic conditions, Ecolab’s confidence in its performance trajectory remains strong. The company will stay focused on outperforming its end markets by delivering best-in-class value to customers, leveraging its One Ecolab growth strategy and its record breakthrough innovation pipeline. Including the acquisition of Ovivo Electronics, Ecolab expects reported sales to increase 7% to 9% and organic sales to increase 3% to 4% in 2026, with organic growth accelerating through the year. With this, along with 100 to 150 basis points of operating income margin expansion, adjusted operating income is anticipated to increase 14% to 16%.

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As a result, Ecolab expects full year 2026 adjusted diluted earnings per share to improve further to the $8.43 to $8.63 range, rising 12% to 15% compared with adjusted diluted earnings per share of

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$7.53 in 2025. This outlook includes an approximate $0.13 per share impact from non‑cash amortization related to the acquisition of Ovivo Electronics.

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The company currently anticipates quantifiable special charges in 2026 to be approximately $0.55 to $0.60 per share, principally related to restructuring charges and costs related to the acquisition of Ovivo Electronics. Other than the special gains and charges noted above, other such amounts are not currently quantifiable.

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2026 – First Quarter

Ecolab expects first quarter 2026 adjusted diluted earnings per share in the $1.67 to $1.73 range, rising 11% to 15% compared with adjusted diluted earnings per share of $1.50 a year ago.

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The company currently expects quantifiable special charges in the first quarter of 2026 to be approximately $0.19 per share, principally related to restructuring charges and costs related to the acquisition of Ovivo Electronics. Other than the special gains and charges noted above, other such amounts are not currently quantifiable.

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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 has $16 billion in annual sales, 48,000 associates and 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, healthcare, data centers, microelectronics, life sciences and hospitality. Ecolab’s comprehensive approach protects what’s vital, aiming by 2030 to help protect 2 billion people from infections and enough drinking water for 1 billion people while enhancing business performance.

Ecolab. Protecting What’s Vital.

www.ecolab.com

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Ecolab will host a live webcast to review the fourth quarter earnings announcement today at 1:00 p.m. Eastern Time. The webcast, along with related materials, will be available to the public on Ecolab's website at www.ecolab.com/investor. A replay of the webcast and related materials will be available at that site.

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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. In particular, the ultimate results of any restructuring initiative depend on a number of factors, including the development of final plans, the impact of local regulatory requirements regarding employee terminations, the time necessary to develop and implement the restructuring initiatives and the level of success achieved through such actions in improving competitiveness, efficiency and effectiveness. 

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Additional risks and uncertainties that may affect operating results and business performance are set forth under Item 1A of our most recent Form 10-K, and our other public filings with the Securities and Exchange Commission (the "SEC"), and include the impact of economic factors such as the worldwide economy, interest rates, foreign currency risk, reduced sales and earnings in our international operations resulting from the weakening of local currencies versus the U.S. dollar, demand uncertainty, supply chain challenges and inflation; the vitality of the markets we serve; exposure to global economic, political and legal risks related to our international operations, including international trade policies, geopolitical instability and the escalation of armed conflicts; our increasing reliance on artificial intelligence technologies in our products, services and operations; information technology infrastructure failures or breaches in data security; difficulty in procuring raw materials or

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fluctuations in raw material costs; our ability to successfully execute organizational change and management transitions; the occurrence of severe public health outbreaks not limited to COVID-19; our ability to acquire complementary businesses and to effectively integrate such businesses; our ability to execute key business initiatives; our ability to successfully compete with respect to value, innovation and customer support; pressure on operations from consolidation of customers or vendors; restraints on pricing flexibility due to contractual obligations and our ability to meet our contractual commitments; the costs and effects of complying with laws and regulations, including those relating to the environment, climate change standards, and to the manufacture, storage, distribution, sale and use of our products, as well as to the conduct of our business generally, including labor and employment and anti-corruption; potential safety incidents; potential chemical spill or release; potential to incur significant tax liabilities or indemnification liabilities relating to the separation and split-off of our ChampionX business; the occurrence of litigation or claims, including class action lawsuits; the loss or insolvency of a major customer or distributor; repeated or prolonged government and/or business shutdowns or similar events; acts of war or terrorism; natural or man-made disasters; water shortages; severe weather conditions; our commitments, goals, targets, objectives and initiatives related to sustainability, and our public statements and disclosures regarding them; changes in tax laws and unanticipated tax liabilities; potential loss of deferred tax assets; our indebtedness, and any failure to comply with covenants that apply to our indebtedness; potential losses arising from the impairment of goodwill or other assets; and other uncertainties or risks reported from time to time in our reports to the SEC. 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. 

Non-GAAP Financial Information  

This news release and certain of the accompanying tables include financial measures that have not been calculated in accordance with accounting principles generally accepted in the U.S. (“GAAP”).  

These non-GAAP financial measures may include: 

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We provide these measures as additional information regarding our operating results. We use these non-GAAP measures internally to evaluate our performance and in making financial and operational decisions, including with respect to incentive compensation. We believe that our presentation of these measures provides investors with greater transparency with respect to our results of operations and that these measures are useful for period-to-period comparison of results. 

Our non-GAAP financial measures for adjusted net sales and adjusted interest expense, net exclude the impact of the Ovivo Electronics acquisition. Our non-GAAP financial measures for adjusted cost of sales, adjusted gross margin, adjusted gross profit and adjusted operating income exclude the impact of special (gains) and charges and the Ovivo Electronics acquisition, and our non-GAAP financial measures for adjusted tax rate, adjusted net income attributable to Ecolab and adjusted diluted earnings per share further exclude the impact of discrete tax items. We include items within special (gains) and charges and discrete tax items that we believe can significantly affect the period-over-period assessment of operating results and not necessarily reflect costs and/or income associated with historical trends and future results. After tax special (gains) and charges are derived

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by applying the applicable local jurisdictional tax rate to the corresponding pre-tax special (gains) and charges. 

We evaluate the performance of our international operations based on fixed currency rates of foreign exchange, which eliminate the translation impact of exchange rate fluctuations on our international results. Fixed currency amounts included in this release are based on translation into U.S. dollars at the fixed foreign currency exchange rates established by management at the beginning of 2025. We also provide our segment results based on public currency rates for informational purposes.  

Our reportable segments do not include the impact of intangible asset amortization from the Nalco and Purolite transactions or the impact of special (gains) and charges as these are not allocated to the Company’s reportable segments. 

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Our non-GAAP financial measures for organic sales, organic operating income and organic operating income margin are at fixed currency and exclude the impact of special (gains) and charges where applicable, the impact of the Ovivo Electronics acquisition, the results of our acquired businesses from the first twelve months post acquisition and the results of divested businesses from the twelve months prior to divestiture. Further, due to the sale of the global surgical solutions business on August 1, 2024, we have excluded the results of the business for the nine-month period ended September 30, 2024 from these organic measures to remain comparable to the corresponding period in 2025. In addition, as part of the separation of ChampionX in 2020, we continue to provide certain products to ChampionX, which are recorded in product and equipment sales in the Global Water segment along with the related cost of sales. These transactions are removed from the consolidated results as part of the calculation of the impact of acquisitions and divestitures.

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We define free cash flow as net cash provided by operating activities less cash outlays for capital expenditures. It should not be inferred that the entire free cash flow amount is available for discretionary expenditures. It should not be considered a substitute for income or cash flow data prepared in accordance with U.S. GAAP and may not be comparable to similarly titled measures used by other companies. We believe free cash flow is meaningful to investors as it functions as a useful measure of performance and we use this measure as an indication of the strength of the Company and its ability to generate cash. 

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These non-GAAP financial measures are not in accordance with, or an alternative to, GAAP and may be different from non-GAAP measures used by other companies. Investors should not rely on any single financial measure when evaluating our business. We recommend that investors view these measures in conjunction with the GAAP measures included in this news release. Reconciliations of our non-GAAP measures are included in the following "Supplemental Non-GAAP Reconciliations" and “Supplemental Diluted Earnings per Share Information” tables included in this news release. 

We do not provide reconciliations for non-GAAP estimates on a forward-looking basis (including those contained in this news release) when we are unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. This is due to the inherent difficulty of forecasting the timing and amount of various items that have not yet occurred, are out of our control and/or cannot be reasonably predicted, and that would impact reported earnings per share and the reported tax rate, the most directly comparable forward-looking GAAP financial measures to adjusted earnings per share and the adjusted tax rate. For the same reasons, we are unable to address the probable significance of the unavailable information. 

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ECOLAB INC.

CONSOLIDATED STATEMENTS OF INCOME

(unaudited)

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(a) Special charges of $0.1 million and $2.1 million in the fourth quarter of 2025 and 2024, respectively, and $7.7 million and $5.3 million for the twelve months of 2025 and 2024, respectively, were recorded in product and equipment cost of sales.

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ECOLAB INC.

REPORTABLE SEGMENT INFORMATION

(unaudited)

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