SEC FORM 3

SEC FORM 3 SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Hlila Alexandra M A

(Last)

(First)

(Middle)

1 ECOLAB PLACE

(Street)

ST. PAUL

55102

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/05/2024

3. Issuer Name and Ticker or Trading Symbol
ECOLAB INC. [ ECL ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP & GM - GLOBAL PEST

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option (Right to Buy)	12/01/2024	12/01/2031	Common Stock	251⁽¹⁾	$223.78	D
Employee Stock Option (Right to Buy)	⁽²⁾	12/07/2032	Common Stock	1,412⁽²⁾	$148.495	D
Employee Stock Option (Right to Buy)	12/04/2025⁽³⁾	12/04/2034	Common Stock	3,993	$247.495	D

Explanation of Responses:

1. Represents the remaining portion of an option granted under the Ecolab Inc. 2010 Stock Incentive Plan.

2. Represents the remaining portion of an option granted under the Ecolab Inc. 2010 Stock Incentive Plan. 50% of the option shares became exercisable on 12/07/2024, and the remaining option shares become exercisable on 12/07/2025.

3. Option granted under the Ecolab Inc. 2023 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 shares on the third anniversary of the date of grant. The date listed is the first anniversary of the date of grant.

	/s/ Youhao Dong, as Attorney-in-Fact for Alexandra M. A. Hlila	12/13/2024
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.