ECOLAB INC. — Director's Dealing 2025

Aug 19, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC. (ECL)
CIK: 0000031462
Period of Report: 2025-08-14

Reporting Person: Vautrinot Suzanne M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-14	Common Stock	M	2300	$115.075	Acquired	13499.20	Direct
2025-08-14	Common Stock	F	946	$279.650	Disposed	12553.20	Direct
2025-08-19	Common Stock	S	1354	$283.162	Disposed	11199.20	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-08-14	Non-Employee Stock Option (Right to Buy)	$115.075	M	2300	Disposed	2026-05-05	Common Stock (2300)	Direct

Footnotes

F1: Reflects the reporting person's payment of the exercise price for a stock option issued in accordance with Rule 16b-3 by delivering or withholding shares of Ecolab common stock.

F2: This transaction was executed in multiple trades at prices ranging from $283.146 to $283.165, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3: 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. The date listed in the Date Exercisable column represents the first vesting date.