Angela M. Busch - Nov 22, 2021 Form 4 Insider Report for ECOLAB INC. (ECL)

Role: EVP - CORP STRAT & BUS DEV
Signature: /s/ David F. Duvick, as Attorney-in-Fact for Angela M. Busch
Stock symbol: ECL
Transactions as of: Nov 22, 2021
Transactions value $: -$416,150
Form type: 4
Date filed: 11/24/2021, 03:33 PM
Previous filing: Sep 3, 2021
Next filing: Dec 3, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ECL	Common Stock	Options Exercise	$179K	+2.5K	+18.18%	$71.54	16.3K	Nov 22, 2021	Direct
transaction	ECL	Common Stock	Sale	-$595K	-2.5K	-15.38%	$238.00	13.8K	Nov 22, 2021	Direct
holding	ECL	Common Stock						1.4K	Nov 22, 2021	By Ecolab Savings Plan	F1

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)	Options Exercise	$0	-2.5K	-34.25%	$0.00	4.8K	Nov 22, 2021	Common Stock	2.5K	$71.54	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of October 31, 2021. Includes 3.008 UNITS acquired since the reporting person's last report. (The 1,397.542 UNITS are the equivalent of approximately 2,561 SHARES of the issuer's Common Stock.)
F2	Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. 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 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

Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of October 31, 2021. Includes 3.008 UNITS acquired since the reporting person's last report. (The 1,397.542 UNITS are the equivalent of approximately 2,561 SHARES of the issuer's Common Stock.)

Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. 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 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.