Angela M. Busch - Aug 31, 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: Aug 31, 2021
Transactions value $: -$383,650
Form type: 4
Date filed: 9/2/2021, 04:33 PM
Next filing: Sep 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	Aug 31, 2021	Direct
transaction	ECL	Common Stock	Sale	-$563K	-2.5K	-15.38%	$225.00	13.8K	Aug 31, 2021	Direct
holding	ECL	Common Stock						1.39K	Aug 31, 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	-25.51%	$0.00	7.3K	Aug 31, 2021	Common Stock	9.8K	$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 August 31, 2021. Includes 24.443 UNITS acquired since the reporting person's last report. (The 1,394.534 UNITS are the equivalent of approximately 2,556 SHARES of the issuer's Common Stock.)
F2	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 represents the first anniversary date of the grant.