Ecolab Inc. completed a $5.0 billion offering of four series of notes on May 29, 2026, to fund the acquisition of Frigeo Holdings LLC (CoolIT Systems) and for general corporate purposes. The issuance consists of $1.2 billion in 4.600% notes due 2029, $900 million in 4.800% notes due 2031, $1.5 billion in 5.150% notes due 2033, and $1.4 billion in 5.350% notes due 2036.

Ecolab Inc. appointed Bryce L. Mewhorter as Senior Vice President and Corporate Controller, effective following the filing of the company's second quarter 2026 10-Q. At its May 7, 2026, Annual Meeting, shareholders approved executive compensation and the ratification of PricewaterhouseCoopers LLP as auditor, but rejected a stockholder proposal regarding an independent board chair policy.

Ecolab Inc. announced its financial results for the first quarter ended March 31, 2026. The company provided a news release and supplemental data detailing its quarterly performance through accompanying exhibits.

Ecolab Inc. has entered into a $4.75 billion unsecured committed delayed draw term loan credit facility with various financial institutions. The company intends to use the proceeds to finance the acquisition of Frigeo Holdings LLC and to repay Frigeo's existing indebtedness.

Ecolab Inc. has restructured its segment reporting, dividing its former Light & Heavy segment into three new segments—Heavy Water, Light Water, and High-Tech—increasing its total operating segments to nine effective January 1, 2026. The company is also providing supplemental unaudited segment information for 2024 and 2025 using fixed 2026 currency exchange rates to facilitate comparative analysis.