Machiel Duijser - Dec 1, 2021 Form 4 Insider Report for ECOLAB INC. (ECL)

Role: EVP & CSCO
Signature: /s/ David F. Duvick, Attorney-in-Fact for Machiel Duijser
Stock symbol: ECL
Transactions as of: Dec 1, 2021
Transactions value $: $0
Form type: 4
Date filed: 12/3/2021, 03:52 PM
Previous filing: Nov 3, 2021
Next filing: Feb 28, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ECL	Common Stock						1.6K	Dec 1, 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ECL	Employee Stock Option (Right to Buy)	Award	$0	+12.1K		$0.00	12.1K	Dec 1, 2021	Common Stock	12.1K	$223.78	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

Content

Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.