ECOLAB INC. — Director's Dealing 2025

Mar 10, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC. (ECL)
CIK: 0000031462
Period of Report: 2025-03-06

Reporting Person: Kirkland Scott D (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-06	Common Stock	M	2884	$119.120	Acquired	13744.846	Direct
2025-03-06	Common Stock	F	2015	$267.213	Disposed	11729.8460	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-06	Employee Stock Option (Right to Buy)	$119.120	M	2884	Disposed	2025-12-02	Common Stock (2884)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1417.962	Indirect

Footnotes

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

F2: Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of February 28, 2025. Includes 6.922 UNITS acquired since the reporting person's last report. (The 1,417.962 UNITS are the equivalent of approximately 2,559 SHARES of the issuer's Common Stock.)

F3: The option became exercisable, on a cumulative basis, as to one-third of the option shares (excluding any fractional portion less than one share), on each of the first and second anniversaries of the date of grant and as to the remaining shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column is the first anniversary of the date of grant.