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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
31462	Ecolab Inc.	ECL	Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics (2840)	410231510

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1972462	J. Nicholas Alfano	1 Ecolab Place Saint Paul MN 55102	Evp & Pres - Global Industrial	No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2025-05-07	9,930	$117.73	14,638	No	4	M	Direct
Common Stock	Disposition	2025-05-07	9,930	$253.75	4,708	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2025-05-07	9,930	$0.00	9,930	$117.73

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2017-12-07	2026-12-07	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	3,247	Indirect	By Ecolab Savings Plan

Footnotes

Since the date of the reporting person's last ownership report, he transferred 10,749 shares of Ecolab common stock to his ex-spouse pursuant to a domestic relations order. The reporting person no longer reports as beneficially owned any securities owned by his ex-spouse.
Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of April 30, 2025. Includes 7.375 UNITS acquired since the reporting person's last report. (The 3,246.715 UNITS are the equivalent of approximately 5,956 SHARES of the issuer's Common Stock.)
Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became or becomes 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.