Timothy P. Mulhere - May 2, 2022 Form 4 Insider Report for ECOLAB INC. (ECL)

Role: EVP & PRES - GLOBAL INST
Signature: /s/ David F. Duvick, as Attorney-in-Fact for Timothy P. Mulhere
Stock symbol: ECL
Transactions as of: May 2, 2022
Transactions value $: -$942,875
Form type: 4
Date filed: 5/4/2022, 07:13 PM
Previous filing: Feb 25, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ECL	Common Stock	Options Exercise	$0	+14.4K	+65.73%	$0.00	36.3K	May 2, 2022	Direct	F1
transaction	ECL	Common Stock	Tax liability	-$943K	-5.67K	-15.61%	$166.38	30.6K	May 2, 2022	Direct	F2
holding	ECL	Common Stock						1.95K	May 2, 2022	By Ecolab Savings Plan	F3

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	Restricted Stock Units	Options Exercise	$0	-14.4K	-100%	$0.00^*	0	May 2, 2022	Common Stock	14.4K		Direct	F1

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

Explanation of Responses:

Id	Content
F1	On May 2, 2018, the reporting person was granted 14,400 restricted stock units vesting as to 100% of the units on the fourth anniversary of the date of grant, subject to continued employment. The restricted stock units converted into common stock on a one-for-one basis.
F2	Reflects the reporting person's payment of minimum statutory tax obligations by withholding shares of Ecolab Common Stock incident to the vesting of restricted stock units in accordance with Rule 16b-3.
F3	Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of April 30, 2022. Includes 16.497 UNITS acquired since the reporting person's last report. (The 1,952.255 UNITS are the equivalent of approximately 3,589 SHARES of the issuer's Common Stock.)