Jandeen M. Boone - 14 Mar 2025 Form 4 Insider Report for ECOLAB INC. (ECL)

Role: EVP, GC & Secretary
Signature: /s/ Youhao Dong, as Attorney-in-Fact for Jandeen M. Boone
Issuer symbol: ECL
Transactions as of: 14 Mar 2025
Net transactions value: +$19,178
Form type: 4
Filing time: 18 Mar 2025, 16:42:35 UTC
Previous filing: 21 Feb 2025
Next filing: 05 Dec 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ECL	Common Stock	Options Exercise	$19,178	+161	+41%	$119.12	552	14 Mar 2025	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)	Options Exercise	$0	-161	-100%	$0.000000	0	14 Mar 2025	Common Stock	161	$119.12	Direct	F1

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

Explanation of Responses:

Id	Content
F1	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 is the first anniversary of the date of grant.