ECOLAB INC. — Director's Dealing 2026

Feb 26, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC. (ECL)
CIK: 0000031462
Period of Report: 2026-02-25

Reporting Person: McKibben Tracy B (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-25	Common Stock	M	2300	$115.075	Acquired	12622.58	Direct
2026-02-25	Common Stock	S	1265	$308.660	Disposed	11357.58	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-25	Non-Employee Stock Option (Right to Buy)	$115.075	M	2300	Disposed	2026-05-05	Common Stock (2300)	Direct

Footnotes

F1: The option became exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.