ECOLAB INC. — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC. (ECL)
CIK: 0000031462
Period of Report: 2026-02-18

Reporting Person: Cook Gregory B (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-18	Common Stock	A	3388	—	Acquired	12458.380	Direct
2026-02-18	Common Stock	F	1065.986	$303.15	Disposed	11392.394	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3556.129	Indirect

Footnotes

F1: Reflects the reporting person's payment of minimum statutory tax obligations by withholding shares of Ecolab Common Stock incident to the vesting of performance-based restricted stock units in accordance with Rule 16b-3.

F2: Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of January 31, 2026. Includes 23.649 UNITS acquired since the reporting person's last report. (The 3,556.129 UNITS are the equivalent of approximately 6,519 SHARES of the issuer's Common Stock.)