ECL / Ecolab Inc. - Документы SEC, Годовой отчет, Доверенное заявление

Эколаб Инк.
US ˙ NYSE ˙ US2788651006

Основная статистика
LEI 82DYEISM090VG8LTLS26
CIK 31462
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Ecolab Inc.
SEC Filings (Chronological Order)
На этой странице представлен полный хронологический список документов SEC, за исключением документов о собственности, которые мы предоставляем в других местах.
August 27, 2025 EX-4.2

  ECOLAB INC.

  Exhibit 4.2     ECOLAB INC.   $500,000,000 5.000% Notes due 2035   FOURTEENTH SUPPLEMENTAL INDENTURE   Dated as of August 27, 2025 to   Indenture dated as of January 12, 2015   COMPUTERSHARE TRUST COMPANY, N.A. (AS SUCCESSOR TO WELLS FARGO BANK, NATIONAL ASSOCIATION)   Trustee         This FOURTEENTH SUPPLEMENTAL INDENTURE (this “Fourteenth Supplemental Indenture”) dated as of August 27, 2025, i

August 27, 2025 EX-1.1

Ecolab Inc.

  Exhibit 1.1   Ecolab Inc.   $500,000,000 5.000% Notes due 2035   Underwriting Agreement   August 18, 2025   Citigroup Global Markets Inc. 388 Greenwich Street New York, New York 10013   J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179   Wells Fargo Securities, LLC 550 South Tryon Street, 5th Floor Charlotte, North Carolina 28202   As representatives of the several underwrit

August 27, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 18, 2025 ECOLAB INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 18, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS

August 19, 2025 424B2

Ecolab Inc. 5.000% Notes due 2035

TABLE OF CONTENTS  Filed Pursuant to Rule 424(b)(2)  Registration No. 333-275302 \ PROSPECTUS SUPPLEMENT (To Prospectus dated November 3, 2023) $500,000,000 Ecolab Inc. 5.000% Notes due 2035 Ecolab Inc. is offering $500,000,000 aggregate principal amount of 5.000% notes due 2035 (the “notes”). The notes will bear interest at a rate of 5.000% per year and will mature on September 1, 2035. Interest

August 19, 2025 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 ECOLAB INC. Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effecti

August 18, 2025 FWP

Ecolab Inc. $500,000,000 5.000% Notes due 2035 Pricing Term Sheet August 18, 2025

Filed Pursuant to Rule 433 Registration No. 333-275302 Supplementing the Preliminary Prospectus Supplement dated August 18, 2025 (To Prospectus dated November 3, 2023) Ecolab Inc. $500,000,000 5.000% Notes due 2035 Pricing Term Sheet August 18, 2025 Issuer: Ecolab Inc. Type of Offering: SEC Registered (No. 333-275302) Anticipated Ratings*: A3 (Stable outlook) by Moody’s Investors Service, Inc. A-

August 18, 2025 424B5

Subject to Completion Preliminary Prospectus Supplement dated August 18, 2025

TABLE OF CONTENTS The information in this preliminary prospectus supplement is not complete and may be changed.

August 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (Exac

August 7, 2025 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) August 7, 2025 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated August 7, 2025 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-3 (No. 333-275302) and Form S-8 (Nos. 2‑90702

August 6, 2025 EX-99.1

Ecolab Inc.

Exhibit 99.1 News Release Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 www.ecolab.com ECOLAB APPOINTS JULIE WHALEN TO BOARD OF DIRECTORS ST. PAUL, Minn. – Aug. 06, 2025 – The board of directors of Ecolab Inc. has appointed Julie P. Whalen to the Ecolab Board of Directors as an independent director. Ms. Whalen was also appointed to the Audit and Finance Committees of the Board. Ms. Whalen i

August 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 6, 2025 ECOLAB INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 6, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS E

July 29, 2025 EX-99.2

Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB Second Quarter 2025 Supplemental Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions and our financial and business performance and p

July 29, 2025 EX-99.1

ECOLAB DELIVERS ANOTHER STRONG QUARTER OF DOUBLE-DIGIT EPS GROWTH REPORTED DILUTED EPS $1.84; ADJUSTED DILUTED EPS $1.89, +13% MAINTAINS 2025 ADJUSTED DILUTED EPS OUTLOOK: $7.42 - $7.62, +12% - 15%

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Andrew Pearson (651) 250-3654 ECOLAB DELIVERS ANOTHER STRONG QUARTER OF DOUBLE-DIGIT EPS GROWTH REPORTED DILUTED EPS $1.84; ADJUSTED DILUTED EPS $1.89, +13% MAINTAINS 2025 ADJUSTED DILUTED EPS OUTLOOK: $7.42 - $7.62, +12% - 15% SECOND QUARTER HIGHLIGHTS ● Ecolab delivered another s

July 29, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 29, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Em

July 18, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 14, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Em

July 8, 2025 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on July 21, 2025, pursuant to the provisions of Rule 12d2-2 (a).

June 23, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-09328 A. Full tit

June 23, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-09328 A. Full tit

June 5, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 5, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Em

June 5, 2025 EX-4.2

Thirteenth Supplemental Indenture, dated as of June 5, 2025, between Ecolab Inc. and Computershare Trust Company, N.A.

  Exhibit 4.2      ECOLAB INC.   $500,000,000 4.300% Notes due 2028   THIRTEENTH SUPPLEMENTAL INDENTURE   Dated as of June 5, 2025 to   Indenture dated as of January 12, 2015   COMPUTERSHARE TRUST COMPANY, N.A. (AS SUCCESSOR TO WELLS FARGO BANK, NATIONAL ASSOCIATION)   Trustee         This THIRTEENTH SUPPLEMENTAL INDENTURE (this “Thirteenth Supplemental Indenture”) dated as of June 5, 2025, is bet

June 5, 2025 EX-1.1

Underwriting Agreement, dated as of May 27, 2025, by and among Ecolab Inc. and Barclays Capital Inc., BofA Securities, Inc. and Santander US Capital Markets LLC, as representatives of the several underwriters named therein.

Exhibit 1.1 Ecolab Inc. $500,000,000 4.300% Notes due 2028 Underwriting Agreement May 27, 2025 Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 BofA Securities, Inc. One Bryant Park New York, New York 10036 Santander US Capital Markets LLC 437 Madison Avenue New York, New York 10022 As representatives of the several underwriters named in Schedule I hereto Ladies and Gentlemen: Eco

May 30, 2025 EX-1.01

Conflict Minerals Report for the reporting period from January 1, 2024 to December 31, 2024.

Exhibit 1.01 CONFLICT MINERALS REPORT OF 2024 TO FORM SD SPECIALIZED DISCLOSURE REPORT OF ECOLAB INC. I.Introduction Except where the context otherwise requires, references in this Conflict Minerals Report to “Ecolab,” “Company,” “we” and “our” are to Ecolab Inc. and its subsidiaries, collectively. As used herein and consistent with the Conflict Minerals Rule (as such term is defined below), (1) “

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ECOLAB INC. (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 (State or other jurisdiction of incorporation or organization) (Commission File Number) 1 Ecolab Place, Saint Paul, Minnesota 55102 (Address of principal executive offices) (Zip Code) Jandeen Boone, Esq., Ge

May 28, 2025 424B2

Ecolab Inc. 4.300% Notes due 2028

TABLE OF CONTENTS  Filed Pursuant to Rule 424(b)(2)  Registration No. 333-275302 PROSPECTUS SUPPLEMENT (To Prospectus dated November 3, 2023) $500,000,000 Ecolab Inc. 4.300% Notes due 2028 Ecolab Inc. is offering $500,000,000 aggregate principal amount of 4.300% notes due 2028 (the “notes”). The notes will bear interest at a rate of 4.300% per year and will mature on June 15, 2028. Interest on the

May 28, 2025 EX-FILING FEES

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 ECOLAB INC. Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing F

May 27, 2025 FWP

Ecolab Inc. $500,000,000 4.300% Notes due 2028 Pricing Term Sheet May 27, 2025

Filed Pursuant to Rule 433 Registration No. 333-275302 Supplementing the Preliminary Prospectus Supplement dated May 27, 2025 (To Prospectus dated November 3, 2023) Ecolab Inc. $500,000,000 4.300% Notes due 2028 Pricing Term Sheet May 27, 2025 Issuer: Ecolab Inc. Type of Offering: SEC Registered (No. 333-275302) Anticipated Ratings*: A3 (Stable outlook) by Moody’s Investors Service, Inc. A- (Stabl

May 27, 2025 424B5

Subject to Completion Preliminary Prospectus Supplement dated May 27, 2025

TABLE OF CONTENTS The information in this preliminary prospectus supplement is not complete and may be changed.

May 9, 2025 EX-99.1

ECOLAB APPOINTS MARION GROSS TO BOARD OF DIRECTORS

Exhibit (99.1) News Release Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 www.ecolab.com ECOLAB APPOINTS MARION GROSS TO BOARD OF DIRECTORS ST. PAUL, Minn. – May 8, 2025 – The board of directors of Ecolab Inc. has appointed Marion Gross, previously Executive Vice President and Global Chief Supply Chain Officer at McDonalds, to the Ecolab board as an independent director and member of the Co

May 9, 2025 EX-99.2

ECOLAB ANNUAL MEETING RESULTS ANNOUNCED

Exhibit (99.2) News Release Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 www.ecolab.com ECOLAB ANNUAL MEETING RESULTS ANNOUNCED ST. PAUL, Minn. – May 8, 2025 – Ecolab Inc. announced today at its annual meeting of stockholders that the slate of thirteen director nominees named in the company’s proxy statement was elected for a one-year term ending at its annual meeting of stockholders in Ma

May 9, 2025 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 7, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Empl

May 9, 2025 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 18, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (

May 9, 2025 EX-3.1

Restated Certificate of Incorporation of Ecolab Inc., as amended and in effect as of May 8, 2025.

Exhibit (3.1) RESTATED CERTIFICATE OF INCORPORATION OF ECOLAB INC. Ecolab Inc., a corporation duly organized and existing under the General Corporation Law of the State of Delaware, does hereby certify that: 1. The name of the corporation is Ecolab Inc. (the “Corporation”). The original Certificate of Incorporation was filed on February 18, 1924, with the Delaware Secretary of State under the name

May 8, 2025 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) May 8, 2025 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated May 8, 2025 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-3 (No. 333-275302) and Form S-8 (Nos. 2‑90702; 33‑1

May 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (Exa

April 29, 2025 EX-99.2

Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB First Quarter 2025 Supplemental Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions and our financial and business performance and pr

April 29, 2025 EX-99.1

ECOLAB DELIVERS CONTINUED DOUBLE-DIGIT EPS GROWTH REPORTED DILUTED EPS $1.41; ADJUSTED DILUTED EPS $1.50, +12% MAINTAINS 2025 ADJUSTED DILUTED EPS OUTLOOK: $7.42 - $7.62, +12% - 15%

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS CONTINUED DOUBLE-DIGIT EPS GROWTH REPORTED DILUTED EPS $1.41; ADJUSTED DILUTED EPS $1.50, +12% MAINTAINS 2025 ADJUSTED DILUTED EPS OUTLOOK: $7.42 - $7.62, +12% - 15% FIRST QUARTER HIGHLIGHTS ● Delivered another strong quarter of double-dig

April 29, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 29, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS E

March 28, 2025 EX-99.1

ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION

Exhibit 99.1 ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION (unaudited) Year ended December 31 (millions) 2024 2023 Fixed Fixed Currency Currency Values at Rate Values at Values at Rate Values at 2024 Rates Other Change 2025 Rates 2024 Rates Other Change 2025 Rates Net Sales Global Water $7,857.2 ($1.2) ($372.6) $7,483.4 $7,640.5 ($1.0) ($355.4) $7,284.1 Global

March 28, 2025 EX-99.2

ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION 2024 REVISED SEGMENT DATA AT 2025 FIXED CURRENCY EXCHANGE RATES

Exhibit 99.2 ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION 2024 REVISED SEGMENT DATA AT 2025 FIXED CURRENCY EXCHANGE RATES (unaudited) (millions) 2024 First Quarter Second Quarter Third Quarter Fourth Quarter Twelve Months Ended Ended Ended Ended Ended March 31 June 30 September 30 December 31 December 31 Net Sales Global Water $1,755.0 $1,863.2 $1,897.6 $1,96

March 28, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 24, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS

March 28, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 28, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS E

March 28, 2025 EX-10.1

Fourth Amended and Restated $2.0 Billion Multicurrency Credit Agreement, dated as of March 24, 2025, among Ecolab Inc., the lenders party thereto, the issuing lenders party thereto and Bank of America, N.A., as administrative agent and swing line bank.

Exhibit (10.1) Execution Version CUSIP: 27887LAZ7 CUSIP: 27887LBA1 FOURTH AMENDED AND RESTATED U.S. $2,000,000,000 MULTICURRENCY CREDIT AGREEMENT Dated as of March 24, 2025 Among ECOLAB INC., as a Borrower and as Guarantor, THE FINANCIAL INSTITUTIONS NAMED HEREIN, as Banks, THE FINANCIAL INSTITUTIONS NAMED HEREIN, as Issuing Banks, BANK OF AMERICA, N.A., as Administrative Agent and Swing Line Bank

March 24, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

March 24, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.      )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.      ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Ru

March 14, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.      )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.      ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Ru

February 21, 2025 EX-21.1

List of Subsidiaries.

SUBSIDIARIES OF ECOLAB INC. EXHIBIT (21.1) Entity Name State or Other Jurisdiction of Incorporation NLC Process and Water Services SARL Algeria Ecolab (Antigua) Ltd. Antigua & Barbuda Anios America S.A. Argentina Ecolab Argentina S.R.L. Argentina Ecolab Services Argentina S.R.L. Argentina Ecolab (Aruba) N.V. Aruba Ecolab (Fiji) Pty Limited Australia Ecolab AU2 Pty Ltd Australia Ecolab AU3 Pty Ltd

February 21, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (E

February 21, 2025 EX-24.1

Powers of Attorney.

EXHIBIT (24.1) POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of Ecolab Inc., a Delaware corporation, does hereby make, nominate and appoint CHRISTOPHE BECK, JANDEEN M. BOONE and THERESA E. CORONA, and each of them, to be my attorney-in-fact, with full power and authority to sign his name to the Annual Report on Form 10-K of Ecolab Inc. for the fiscal year ended

February 21, 2025 EX-10.14(II)

Amendment No. 1 to Ecolab Inc. 2023 Stock Incentive Plan, adopted December 4, 2024.

EXHIBIT (10.14(ii)) AMENDMENT NO. 1 TO ECOLAB INC. 2023 STOCK INCENTIVE PLAN WHEREAS, Ecolab Inc. (the “Company”) adopted the 2023 Stock Incentive Plan, effective as of May 4, 2023 (the “Plan”); WHEREAS, the Company wishes to adopt changes to the Plan with respect to the definition of Cause; NOW THEREFORE, pursuant to the amending power reserved to the Company’s Board of Directors by Section 19 of

February 21, 2025 EX-4.27

Description of Securities.

EXHIBIT (4.27) DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Ecolab Inc., a Delaware corporation (“Ecolab,” “we,” “our,” “us,” “the Company”), has two classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: (i) its common stock; $1.00 par value per share and (ii) its 2.625% Euro Note

February 21, 2025 EX-10.12

Description of Ecolab Management Incentive Plan.

Exhibit (10.12) DESCRIPTION OF ECOLAB INC. MANAGEMENT INCENTIVE PLAN Ecolab Inc. (“Ecolab”, the “Company”, “we” and “our”) maintains an annual cash incentive plan for executives that is designed to motivate executives to achieve annual business and individual goals. This plan is referred to as the Management Incentive Plan (“MIP”). The MIP is not set forth in a formal plan document. Set forth belo

February 21, 2025 EX-19.1

Ecolab Inc. Global Insider Trading Policy, effective December 5, 2024.

Exhibit 19.1 EXHIBIT (19.1) ECOLAB POLICY Revised December 2024 GLOBAL INSIDER TRADING POLICY Global Insider Trading Policy | 2 ECOLAB POLICY Table of Contents Purpose Scope Policy Explanation of Key Terms Compliance Questions and Reporting Exceptions Versions Global Insider Trading Policy | 3 ECOLAB POLICY Purpose The purpose of this policy is to provide guidelines with respect to transactions in

February 20, 2025 EX-99.1

ECOLAB APPOINTS MICHEL DOUKERIS TO BOARD OF DIRECTORS

Exhibit 99.1 News Release Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 www.ecolab.com ECOLAB APPOINTS MICHEL DOUKERIS TO BOARD OF DIRECTORS ST. PAUL, Minn. – Feb. 20, 2025 – The board of directors of Ecolab Inc. has appointed Michel Doukeris, Chief Executive Officer of AB InBev, to the Ecolab board as an independent director, effective February 20, 2025. “Michel's experience as the CEO of

February 20, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 18, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IR

February 11, 2025 EX-99.2

Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB Fourth Quarter 2024 Supplemental Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions and our financial and business performance and p

February 11, 2025 EX-99.1

ECOLAB DELIVERS STRONG FOURTH QUARTER AND RECORD 2024 PERFORMANCE REPORTED DILUTED EPS $1.66; ADJUSTED DILUTED EPS $1.81, +17% 2025 ADJUSTED DILUTED EPS OUTLOOK: $7.42 - $7.62, +12% - 15%

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS STRONG FOURTH QUARTER AND RECORD 2024 PERFORMANCE REPORTED DILUTED EPS $1.66; ADJUSTED DILUTED EPS $1.81, +17% 2025 ADJUSTED DILUTED EPS OUTLOOK: $7.42 - $7.62, +12% - 15% FOURTH QUARTER HIGHLIGHTS ● Reported sales $4.0 billion, +2% versus

February 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 11, 2025 ECOLAB INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 11, 2025 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IR

October 31, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC.

October 31, 2024 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) October 31, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated October 31, 2024 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-3 (Registration No. 333-275302) and Form

October 29, 2024 EX-99.2

Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB Third Quarter 2024 Supplemental Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions and our financial and business performance and pr

October 29, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 29, 2024 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS

October 29, 2024 EX-99.1

ECOLAB DELIVERS CONTINUED STRONG GROWTH IN THE THIRD QUARTER REPORTED DILUTED EPS $2.58; ADJUSTED DILUTED EPS $1.83, +19% INCREASED 2024 ADJUSTED DILUTED EPS OUTLOOK: $6.60 - $6.70, +27% - 29%

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS CONTINUED STRONG GROWTH IN THE THIRD QUARTER REPORTED DILUTED EPS $2.58; ADJUSTED DILUTED EPS $1.83, +19% INCREASED 2024 ADJUSTED DILUTED EPS OUTLOOK: $6.60 - $6.70, +27% - 29% THIRD QUARTER HIGHLIGHTS ● Reported sales $4.0 billion, +1% ve

October 15, 2024 S-8 POS

As filed with the Securities and Exchange Commission on October 15, 2024

As filed with the Securities and Exchange Commission on October 15, 2024 Registration No.

October 15, 2024 S-8 POS

As filed with the Securities and Exchange Commission on October 15, 2024

As filed with the Securities and Exchange Commission on October 15, 2024 Registration No.

October 15, 2024 S-8 POS

As filed with the Securities and Exchange Commission on October 15, 2024

As filed with the Securities and Exchange Commission on October 15, 2024 Registration No.

October 15, 2024 S-8 POS

As filed with the Securities and Exchange Commission on October 15, 2024

As filed with the Securities and Exchange Commission on October 15, 2024 Registration No.

August 2, 2024 EX-24.1

Powers of Attorney.

EXHIBIT 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, That the undersigned, a Director of Ecolab Inc., a Delaware corporation (“Corporation”), does hereby make, nominate and appoint CHRISTOPHE BECK, JANDEEN M. BOONE and THERESA E. CORONA, and each of them, individually, to be my attorney-in-fact, with full power and authority to sign their name to a Registration Statement on Form S-8 rela

August 2, 2024 EX-FILING FEES

Filing Fee Table.

Calculation of Filing Fee Tables S-8 ECOLAB INC. Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Debt Deferred Compensation Obligations Other $ 30,000,000.00 0.0001476 $ 4,428.00 Total Offering Amounts: $ 30,000,000.00 $ 4,42

August 2, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (Exac

August 2, 2024 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) August 2, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated August 2, 2024 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-3 (Registration No. 333-275302) and Form S-8

August 2, 2024 EX-15.1

Letter Regarding Unaudited Interim Financial Information

EXHIBIT 15.1 August 2, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our reports dated May 2, 2024 and August 2, 2024, on our review of interim financial information of Ecolab Inc., which are included in the Company’s Quarterly Reports on Form 10-Q for the quarters ended March 31, 2024 and June 30, 2024, respectively, are incorpora

August 2, 2024 S-8

As filed with the Securities and Exchange Commission on August 2, 2024

As filed with the Securities and Exchange Commission on August 2, 2024 Registration No.

July 30, 2024 EX-99.1

ECOLAB DELIVERS CONTINUED STRONG PERFORMANCE IN THE SECOND QUARTER REPORTED DILUTED EPS $1.71; ADJUSTED DILUTED EPS $1.68, +35% INCREASED 2024 ADJUSTED DILUTED EPS OUTLOOK: $6.50 - $6.70, +25% - 29%

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS CONTINUED STRONG PERFORMANCE IN THE SECOND QUARTER REPORTED DILUTED EPS $1.71; ADJUSTED DILUTED EPS $1.68, +35% INCREASED 2024 ADJUSTED DILUTED EPS OUTLOOK: $6.50 - $6.70, +25% - 29% SECOND QUARTER HIGHLIGHTS ● Reported sales $4.0 billion,

July 30, 2024 EX-99.2

Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB Second Quarter 2024 Supplemental Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding delivered product costs, and demand; our financial and business performan

July 30, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 30, 2024 ECOLAB INC. (Exact n

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 30, 2024 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Em

June 24, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-09328 A. Full tit

June 24, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-09328 A. Full tit

May 31, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ECOLAB INC. (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 (State or other jurisdiction of incorporation or organization) (Commission File Number) 1 Ecolab Place, Saint Paul, Minnesota 55102 (Address of principal executive offices) (Zip Code) Jandeen Boone, Esq., In

May 31, 2024 EX-1.01

Conflict Minerals Report for the reporting period from January 1, 2023 to December 31, 2023.

Exhibit 1.01 CONFLICT MINERALS REPORT OF 2023 TO FORM SD SPECIALIZED DISCLOSURE REPORT OF ECOLAB INC. I.Introduction Except where the context otherwise requires, references in this Conflict Minerals Report to “Ecolab,” “Company,” “we” and “our” are to Ecolab Inc. and its subsidiaries, collectively. As used herein and consistent with the Conflict Minerals Rule (as such term is defined below), (1) “

May 6, 2024 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 2, 2024 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Empl

May 6, 2024 EX-99.1

ECOLAB ANNUAL MEETING RESULTS ANNOUNCED

Exhibit 99.1 News Release Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 www.ecolab.com ECOLAB ANNUAL MEETING RESULTS ANNOUNCED ST. PAUL, Minn. – May 2, 2024 – Ecolab Inc. announced today at its annual meeting of stockholders that the slate of twelve director nominees named in the company’s proxy statement was elected for a one-year term ending at its annual meeting of stockholders in May 20

May 2, 2024 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) May 2, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated May 2, 2024 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-3 (Registration No. 333-275302) and Form S-8 (Regis

May 2, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (Exa

April 30, 2024 EX-99.2

Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB First Quarter 2024 Supplemental Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions, delivered product costs, and demand; our financi

April 30, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 30, 2024 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS E

April 30, 2024 EX-99.1

ECOLAB DELIVERS VERY STRONG FIRST QUARTER PERFORMANCE REPORTED DILUTED EPS $1.43; ADJUSTED DILUTED EPS $1.34, +52% INCREASED 2024 ADJUSTED DILUTED EPS OUTLOOK: $6.40 - $6.70, +23% - 29%

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS VERY STRONG FIRST QUARTER PERFORMANCE REPORTED DILUTED EPS $1.43; ADJUSTED DILUTED EPS $1.34, +52% INCREASED 2024 ADJUSTED DILUTED EPS OUTLOOK: $6.40 - $6.70, +23% - 29% FIRST QUARTER HIGHLIGHTS ● Reported sales $3.8 billion, +5% versus la

March 15, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

March 15, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 15, 2024 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS E

March 15, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.      )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.      ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Ru

March 15, 2024 EX-99.1

ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION

Exhibit 99.1 ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION (unaudited) Year ended December 31 (millions) 2023 2022 Fixed Fixed Currency Currency Values at Rate Values at Values at Rate Values at 2023 Rates Other Change 2024 Rates 2023 Rates Other Change 2024 Rates Net Sales Global Industrial $7,193.1 $407.3 $40.1 $7,640.5 $6,736.3 $392.5 $43.8 $7,172.6 Global

March 15, 2024 EX-99.2

ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION 2023 REVISED SEGMENT DATA AT 2024 FIXED CURRENCY EXCHANGE RATES

Exhibit 99.2 ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION 2023 REVISED SEGMENT DATA AT 2024 FIXED CURRENCY EXCHANGE RATES (unaudited) (millions) 2023 First Quarter Second Quarter Third Quarter Fourth Quarter Twelve Months Ended Ended Ended Ended Ended March 31 June 30 September 30 December 31 December 31 Net Sales Global Industrial $1,808.2 $1,906.4 $1,940.8

February 26, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 21, 2024 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IR

February 23, 2024 EX-10.12

Description of Ecolab Management Incentive Plan.

EXHIBIT (10.12) DESCRIPTION OF ECOLAB INC. MANAGEMENT INCENTIVE PLAN Ecolab Inc. (“Ecolab”, the “Company”, “we” and “our”) maintains an annual cash incentive plan for executives that is designed to motivate executives to achieve annual business and individual goals. This plan is referred to as the Management Incentive Plan (“MIP”). The MIP is not set forth in a formal plan document. Set forth belo

February 23, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (E

February 23, 2024 EX-10.2(I)(A)

Amended and Restated Dealer Agreement, dated 30 October 2023, between Ecolab Inc., Ecolab NL 10 B.V., Ecolab NL 11 B.V. and Nalco Overseas Holding B.V. (as Issuers), Ecolab Inc. (as Guarantor in respect of the notes issued by Ecolab NL 10 B.V., Ecolab NL 11 B.V. and Nalco Overseas Holding B.V.), Barclays Bank PLC (as Arranger), and Barclays Bank Ireland PLC, Barclays Bank PLC, Citigroup Global Markets Europe AG and Citigroup Global Markets Limited (as Dealers).

EXHIBIT (10.2(i)(a)) Clifford Chance LLP EXECUTION VERSION ECOLAB INC. (incorporated under the laws of the State of Delaware) ECOLAB NL 10 B.V. (a private limited liability company (besloten vennootschap met beperkte aansprakelijkheid) incorporated under the laws of The Netherlands) ECOLAB NL 11 B.V. (a private limited liability company (besloten vennootschap met beperkte aansprakelijkheid) incorp

February 23, 2024 EX-97.1

Ecolab Inc. Rule 10D-1 Clawback Policy, adopted November 2, 2023.

EXHIBIT (97.1) ECOLAB INC. RULE 10D-1 CLAWBACK POLICY Recoupment of Incentive-Based Compensation It is the policy of Ecolab Inc. (the “Company”) that, in the event the Company is required to prepare an accounting restatement of the Company’s financial statements due to material non-compliance with any financial reporting requirement under the federal securities laws (including any such correction

February 23, 2024 EX-21.1

List of Subsidiaries.

SUBSIDIARIES OF ECOLAB INC. EXHIBIT (21.1) Entity Name State or Other Jurisdiction of Incorporation NLC Process and Water Services SARL Algeria Ecolab (Antigua) Ltd. Antigua & Barbuda Anios America S.A. Argentina Ecolab Argentina S.R.L. Argentina Ecolab Services Argentina S.R.L. Argentina Ecolab (Aruba) N.V. Aruba Ecolab (Fiji) Pty Limited Australia Ecolab AU2 Pty Ltd Australia Ecolab AU3 Pty Ltd

February 23, 2024 EX-10.2(I)(D)

Deed of Guarantee made on 30 October 2023 by Ecolab Inc. (in respect of notes issued by Ecolab NL 10 B.V., Ecolab NL 11 B.V. and Nalco Overseas Holding B.V.).

EXHIBIT (10.2(i)(d)) Ecolab NL 10 B.V., Ecolab NL 11 B.V. AND NALCO OVERSEAS HOLDING B.V.) CLIFFORD CHANCE LLP EXECUTION VERSION ECOLAB INC. ECOLAB NL 10 B.V. ECOLAB NL 11 B.V. NALCO OVERSEAS HOLDING B.V. U.S.$2,000,000,000 EURO COMMERCIAL PAPER PROGRAMME Guaranteed by ECOLAB INC. DEED OF GUARANTEE (in respect of Notes issued by Ecolab NL 10 B.V., Ecolab NL 11 B.V. AND NALCO OVERSEAS HOLDING B.V.)

February 23, 2024 EX-10.4

Form of Indemnification Agreement, effective as of December 7, 2023. Substantially identical agreements are in effect as to each of our directors and certain of our officers.

EXHIBIT (10.4) INDEMNIFICATION AGREEMENT This Indemnification Agreement (“Agreement”) is made as of , 2023 by and between Ecolab Inc., a Delaware corporation, and (“Indemnitee”). This Agreement supersedes and replaces any and all previous Agreements between the Company and Indemnitee covering the subject matter of this Agreement. RECITALS WHEREAS, the Board of Directors (the “Board”) of Ecolab Inc

February 23, 2024 EX-10.2(I)(B)

Amended and Restated Note Agency Agreement, dated 30 October 2023, between Ecolab Inc., Ecolab NL 10 B.V. Ecolab NL 11 B.V. and Nalco Overseas Holding B.V. (as Issuers), Ecolab Inc. (as Guarantor in respect of the notes issued by Ecolab NL 10 B.V., Ecolab NL 11 B.V. and Nalco Overseas Holding B.V.), and Citibank, N.A., London Branch (as Issue and Paying Agent).

EXHIBIT (10.2(i)(b)) Clifford Chance LLP EXECUTION VERSION ECOLAB INC. Ecolab NL 10 B.V. Ecolab NL 11 B.V. NALCO OVERSEAS HOLDING B.V. as Issuers ECOLAB INC. (in respect of notes issued by Ecolab NL 10 B.V., Ecolab NL 11 B.V. and Nalco Overseas Holding B.V.) as Guarantor and CITIBANK, N.A., LONDON BRANCH as Issue and Paying Agent AMENDED AND RESTATED NOTE AGENCY AGREEMENT relating to a U.S.$2,000,

February 23, 2024 EX-4.27

Description of Securities.

EXHIBIT (4.27) Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Ecolab Inc., a Delaware corporation (“Ecolab,” “we,” “our,” “us,” “the Company”), has three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: (i) its common stock, $1.00 par value per share, (ii) its 2.625% Euro Notes due 2025, and (i

February 23, 2024 EX-10.14(IV)

Sample form of Performance-Based Restricted Stock Unit Award Agreement under the Ecolab Inc. 2023 Stock Incentive Plan, adopted December 6, 2023.

EXHIBIT (10.14(iv)) ECOLAB INC. (the "Company") PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT ARTICLE 1.GRANT OF AWARD The Company has adopted the Ecolab Inc. 2023 Stock Incentive Plan (the "Plan") to grant a performance-based restricted Stock Unit Awards to certain employees of the Company and its Subsidiaries. The Company hereby grants to you (the "Grantee") on the date set forth in yo

February 23, 2024 EX-10.2(I)(C)

Deed of Covenant made on 30 October 2023 by Ecolab Inc., Ecolab NL 10 B.V., Ecolab NL 11 B.V. and Nalco Overseas Holding B.V. (as Issuers).

EXHIBIT (10.2(i)(c)) Clifford Chance LLP EXECUTION VERSION ECOLAB INC. Ecolab NL 10 B.V. Ecolab NL 11 B.V. NALCO OVERSEAS HOLDING B.V. as Issuers U.S.$2,000,000,000 EURO-COMMERCIAL PAPER PROGRAMME DEED OF COVENANT Contents Clause Page 1.Interpretation‌2 2.Direct Rights‌4 3.Evidence‌4 4.Deposit of Deed of Covenant‌5 5.Stamp Duties‌5 6.Benefit of Deed of Covenant‌5 7.Partial Invalidity‌5 8.Notices‌6

February 23, 2024 EX-24.1

Powers of Attorney.

EXHIBIT (24.1) POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of Ecolab Inc., a Delaware corporation, does hereby make, nominate and appoint CHRISTOPHE BECK, LANESHA T. MINNIX and THERESA E. CORONA, and each of them, to be my attorney-in-fact, with full power and authority to sign his name to the Annual Report on Form 10-K of Ecolab Inc. for the fiscal year ende

February 22, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 21, 2024 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IR

February 22, 2024 EX-99.1

ECOLAB APPOINTS JUDSON ALTHOFF TO BOARD OF DIRECTORS

Exhibit 99.1 News Release Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 www.ecolab.com ECOLAB APPOINTS JUDSON ALTHOFF TO BOARD OF DIRECTORS ST. PAUL, Minn. – Feb. 22, 2024 – The board of directors of Ecolab Inc. has appointed Judson Althoff, Microsoft’s chief commercial officer, to the Ecolab board, effective February 21, 2024. Mr. Althoff will serve as an independent director and a member

February 13, 2024 SC 13G/A

ECL / Ecolab Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0814-ecolabinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Ecolab Inc Title of Class of Securities: Common Stock CUSIP Number: 278865100 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule purs

February 13, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 13, 2024 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IR

February 13, 2024 EX-99.1

ECOLAB ANNOUNCES STRONG FOURTH QUARTER PERFORMANCE AND 2024 OUTLOOK REPORTED DILUTED EPS $1.41; ADJUSTED DILUTED EPS $1.55, +22% 2024 ADJUSTED DILUTED EPS OUTLOOK: $6.10 TO $6.50, +17% TO 25%

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB ANNOUNCES STRONG FOURTH QUARTER PERFORMANCE AND 2024 OUTLOOK REPORTED DILUTED EPS $1.41; ADJUSTED DILUTED EPS $1.55, +22% 2024 ADJUSTED DILUTED EPS OUTLOOK: $6.10 TO $6.50, +17% TO 25% FOURTH QUARTER HIGHLIGHTS ● Reported sales $3.9 billion, +7% ve

February 13, 2024 EX-99.2

Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB Fourth Quarter 2023 Supplemental Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions, delivered product costs, demand, inflation, and

January 16, 2024 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on January 29, 2024, pursuant to the provisions of Rule 12d2-2 (a).

November 3, 2023 S-3ASR

As filed with the Securities and Exchange Commission on November 3, 2023.

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on November 3, 2023.

November 3, 2023 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit 15.1 November 3, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our reports dated May 4, 2023, August 3, 2023 and November 2, 2023 on our reviews of interim financial statements of Ecolab Inc., which are included in the Company’s Quarterly Reports on Form 10-Q for the quarters ended March 31, 2023, June 30, 2023, and Septemb

November 3, 2023 EX-25.1

Indenture Act of 1939 of Computershare Trust Company,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) [] Computershare Trust Company, National Association (Exact name of trustee as specified in its charter) National Bank

November 3, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3ASR (Form Type) Ecolab Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Fo

November 2, 2023 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) November 2, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated November 2, 2023 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-8 (Registration Nos. 2-90702; 33-18202; 3

November 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC.

October 31, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 31, 2023 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS

October 31, 2023 EX-99.2

Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB Third Quarter 2023 Supplemental Cautionary statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions, delivered products costs, demand, and our financ

October 31, 2023 EX-99.1

ECOLAB DELIVERS VERY STRONG THIRD QUARTER PERFORMANCE REPORTED DILUTED EPS $1.41; ADJUSTED DILUTED EPS $1.54, +18% EXPECT CONTINUED STRENGTH IN 4Q 2023 AND 2024

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS VERY STRONG THIRD QUARTER PERFORMANCE REPORTED DILUTED EPS $1.41; ADJUSTED DILUTED EPS $1.54, +18% EXPECT CONTINUED STRENGTH IN 4Q 2023 AND 2024 THIRD QUARTER HIGHLIGHTS: ● Reported sales $4.0 billion, +8% versus last year. Organic sales +

August 3, 2023 EX-10.2

Sample form of Non-Statutory Stock Option Agreement under the Ecolab Inc. 2023 Stock Incentive Plan, adopted May 4, 2023.

Exhibit (10.2) ECOLAB INC. (the "Company") NON-STATUTORY STOCK OPTION AGREEMENT ARTICLE 1.GRANT OF OPTION The Company has adopted the Ecolab Inc. 2023 Stock Incentive Plan (the "Plan") to grant non-statutory stock options to employees, consultants, advisors and independent contractors of the Company and its Subsidiaries. The Company hereby grants to you (the "Optionee") on the date set forth in yo

August 3, 2023 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) August 3, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated August 3, 2023 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-8 (Registration Nos. 2-90702; 33-18202; 33-55

August 3, 2023 EX-10.4

Sample form of Restricted Stock Unit Award Agreement under the Ecolab Inc. 2023 Stock Incentive Plan, adopted May 4, 2023.

Exhibit (10.4) ECOLAB INC. (the "Company") RESTRICTED STOCK UNIT AWARD AGREEMENT ARTICLE 1.GRANT OF AWARD The Company has adopted the Ecolab Inc. 2023 Stock Incentive Plan (the "Plan") to grant restricted Stock Unit Awards to certain employees of the Company and its Subsidiaries. The Company hereby grants to you (the "Grantee") on the date set forth in your grant notice (the "Date of Grant") a res

August 3, 2023 EX-10.1

Ecolab Inc. 2023 Stock Incentive Plan, as amended and restated, effective as of May 4, 2023.

Exhibit (10.1) ECOLAB INC. 2023 STOCK INCENTIVE PLAN (Effective May 4, 2023) 1.Purpose of Plan. The purpose of the Ecolab Inc. 2023 Stock Incentive Plan (the “Plan”) is to advance the interests of Ecolab Inc. (the “Company”) and its stockholders by enabling the Company and its Subsidiaries to attract and retain qualified individuals through opportunities for equity participation in the Company, an

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (Exac

August 3, 2023 EX-10.3

Sample form of performance-based restricted stock unit award agreement for executive officers under the Ecolab Inc. 2023 Stock Incentive Plan, effective May 4, 2023.

Exhibit (10.3) ECOLAB INC. (the "Company") PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT ARTICLE 1.GRANT OF AWARD The Company has adopted the Ecolab Inc. 2023 Stock Incentive Plan (the "Plan") to grant a performance-based restricted Stock Unit Awards to certain employees of the Company and its Subsidiaries. The Company hereby grants to you (the "Grantee") on the date set forth in your gr

August 1, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2023 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS E

August 1, 2023 EX-99.1

ECOLAB DELIVERS VERY STRONG SECOND QUARTER PERFORMANCE REPORTED DILUTED EPS $1.15; ADJUSTED DILUTED EPS $1.24, +13% EXPECT CONTINUED STRONG SECOND HALF 2023 PERFORMANCE

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS VERY STRONG SECOND QUARTER PERFORMANCE REPORTED DILUTED EPS $1.15; ADJUSTED DILUTED EPS $1.24, +13% EXPECT CONTINUED STRONG SECOND HALF 2023 PERFORMANCE SECOND QUARTER HIGHLIGHTS: ● Reported sales $3.9 billion, +8% versus last year. Organi

August 1, 2023 EX-99.2

Cautionary Statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB Second Quarter 2023 Supplemental Cautionary Statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions, delivered products costs, demand, inflation, cu

June 23, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-09328 A. Full tit

June 23, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-09328 A. Full tit

May 31, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ECOLAB INC. (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 (State or other jurisdiction of incorporation or organization) (Commission File Number) 1 Ecolab Place, Saint Paul, Minnesota 55102 (Address of principal executive offices) (Zip Code) Lanesha Minnix, Esq., E

May 31, 2023 EX-1.01

Conflict Minerals Report for the reporting period from January 1, 2022 to December 31, 2022.

U.S. Securities and Exchange Commission You’ve Exceeded the SEC’s Traffic Limit Your request rate has exceeded the SEC’s maximum allowable requests per second. Your access to SEC.gov will be limited for 10 minutes. Current guidelines limit each user to a total of no more than 10 requests per second, regardless of the number of machines used to submit requests. To ensure that SEC.gov remains

May 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 18, 2023 ECOLAB INC. (Exact na

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 18, 2023 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Emp

May 10, 2023 EX-99.1

ECOLAB ANNUAL MEETING RESULTS ANNOUNCED

Exhibit 99.1 News Release Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 www.ecolab.com ECOLAB ANNUAL MEETING RESULTS ANNOUNCED ST. PAUL, Minn. – May 4, 2023 – Ecolab Inc. announced today at its annual meeting of stockholders that the slate of thirteen director nominees named in the company’s proxy statement was elected for a one-year term ending at its annual meeting of stockholders in May

May 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 4, 2023 ECOLAB INC. (Exact nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 4, 2023 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Empl

May 4, 2023 EX-10.2

Offer letter relating to employment of Lanesha Minnix dated April 19, 2022, and accompanying signing bonus payback agreement, sign on bonus repayment agreement and relocation repayment agreement referenced therein.

Exhibit (10.2) 1 ECOLAB PLACE ST. PAUL MN 55102-1390 April 19, 2022 Lanesha Minnix 4412 Windsor Ridge Drive Irving, TX 75038 Dear Lanesha, I am pleased to confirm our offer of employment with Ecolab USA Inc. for the position of Executive Vice President General Counsel and Secretary, reporting to me effective on a date to be determined. This position includes an annual starting salary of $615,000 p

May 4, 2023 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) May 4, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated May 4, 2023 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-8 (Registration Nos. 2-90702; 33-18202; 33-55986; 3

May 4, 2023 EX-FILING FEES

Filed herewith electronically.

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Ecolab Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par value $1.00 per s

May 4, 2023 S-8

As filed with the Securities and Exchange Commission on May 4, 2023

As filed with the Securities and Exchange Commission on May 4, 2023 Registration No.

May 4, 2023 S-8

As filed with the Securities and Exchange Commission on May 4, 2023

As filed with the Securities and Exchange Commission on May 4, 2023 Registration No.

May 4, 2023 EX-3.1

By-Laws, as amended through May 24, 2023.

Exhibit 3.1 BY-LAWS OF ECOLAB INC. (A Delaware corporation) AS AMENDED THROUGH MAY 4, 2023 Article I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware and the registered agent at such office shall be as set forth in the Corporation’s Certificate of Incorporation (as it may be amended and/or restated from time to time, the “Certificate of Incorp

May 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): May 4, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): May 4, 2023 ; ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or Other Jurisdiction of Incorporation) (Commission File No.) (IRS E

May 4, 2023 EX-10.4

Nalco Company Supplemental Profit Sharing Plan, as Amended and Restated effective as of December 31, 2012.

Exhibit (10.4) NALCO COMPANY SUPPLEMENTAL PROFIT SHARING PLAN (Amended and Restated Effective as of December 31, 2012) TABLE OF CONTENTS ARTICLE I INTRODUCTION‌1 1.1Adoption and Effective Date‌1 1.2Purpose‌1 ARTICLE II DEFINITIONS AND CONSTRUCTION‌1 2.1Definitions‌1 2.2Gender and Number; Headings‌3 2.3Compliance with Code Section 409A‌3 ARTICLE III PARTICIPATION‌4 3.1Participation‌4 ARTICLE IV MAI

May 4, 2023 EX-10.1

First Amendment, dated as of March 17, 2023, to the Third Amended and Restated Multicurrency Credit Agreement dated as of April 16, 2021, among Ecolab Inc., the banks from time to time party thereto and Bank of America, N.A., as Agent.

Exhibit (10.1) Execution Version First Amendment (this “First Amendment”), dated as of March 17, 2023, to the Third Amended and Restated Multicurrency Credit Agreement dated as of April 16, 2021 (as amended, restated, supplemented or otherwise modified from time to time prior to the date hereof, the “Existing Credit Agreement”), among ECOLAB INC., a Delaware corporation (the “Company”), the banks

May 4, 2023 EX-FILING FEES

Filed herewith electronically.

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Ecolab Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par value $1.00 per s

May 4, 2023 EX-4.1

description of the Registrant’s Common Stock

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Ecolab Inc., a Delaware corporation (“Ecolab,” “we,” “our,” “us,” “the Company”), has three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: (i) its common stock, $1.00 par value per share, (ii) its 2.625% Euro Notes due 2025, and (iii)

May 4, 2023 EX-24.1

Filed herewith electronically.

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a Director of Ecolab Inc., a Delaware corporation, does hereby make, nominate and appoint each of CHRISTOPHE BECK, LANESHA T. MINNIX and THERESA E. CORONA, signing singly, to be my attorney-in-fact, with full power and authority to sign his or her name to a Registration Statement on Form S-8 relating to the regist

May 4, 2023 EX-24.1

Filed herewith electronically.

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a Director of Ecolab Inc., a Delaware corporation, does hereby make, nominate and appoint each of CHRISTOPHE BECK, LANESHA T. MINNIX and THERESA E. CORONA, signing singly, to be my attorney-in-fact, with full power and authority to sign his or her name to a Registration Statement on Form S-8 relating to the regist

May 4, 2023 EX-10.3

Nalco Company Supplemental Retirement Income Plan, as Amended and Restated effective as of December 31, 2012.

Exhibit (10.3) NALCO COMPANY SUPPLEMENTAL RETIREMENT INCOME PLAN (As Amended and Restated Effective as of December 31, 2012) Table of Contents Page ARTICLE I INTRODUCTION‌1 1.1.History and Effective Date‌1 1.2.Purpose‌1 ARTICLE II Definitions and Construction‌2 2.1.Definitions‌2 2.2.Gender and Number; Headings‌3 2.3.Compliance with Code Section 409A‌3 ARTICLE III Participation‌3 3.1.Participation‌

May 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (Exa

May 4, 2023 EX-15.1

Letter Regarding Unaudited Interim Financial Information.

EXHIBIT 15.1 May 4, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated May 4, 2023, on our review of interim financial information of Ecolab Inc., which is included in the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, is incorporated by reference in this Registration Statement on Form S-8

May 4, 2023 EX-4.3

Amended and Restated Ecolab Canada Share Purchase Plan (As Amended Through May 4, 2023).

Exhibit 4.3 AMENDED AND RESTATED ECOLAB CANADA SHARE PURCHASE PLAN As Amended Through May 4, 2023 1. PURPOSE On March 24, 1993, the Board of Directors of Ecolab Co. established the Ecolab Canada Share Purchase Plan to afford Participants a convenient and cost effective means for regular and systematic purchases of the Common Stock of Ecolab Inc., the U.S. parent corporation of the Companies. The P

May 4, 2023 EX-10.5

Death Benefit Agreement between Nalco Company and Laurie M. Marsh effective as of December 17, 2009.

Exhibit (10.5) DEATH BENEFIT AGREEMENT Laurie M. Marsh THIS AGREEMENT, effective December 17, 2009 between Nalco Company (hereinafter “Nalco”), a corporation organized and existing under the laws of Delaware, and Laurie M. Marsh (hereinafter “Executive”). WHEREAS, the Executive is employed by Nalco as a corporate officer; and WHEREAS, in consideration of Executive’s future services to Nalco, Nalco

May 4, 2023 EX-15.1

Letter Regarding Unaudited Interim Financial Information.

EXHIBIT 15.1 May 4, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated May 4, 2023, on our review of interim financial information of Ecolab Inc., which is included in the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, is incorporated by reference in this Registration Statement on Form S-8

May 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 2, 2023 ECOLAB INC. (Exact nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 2, 2023 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Empl

May 2, 2023 EX-99.2

Cautionary Statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 1 ECOLAB First Quarter 2023 Supplemental Cautionary Statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding macroeconomic conditions, delivered products costs, demand, inflation, cur

May 2, 2023 EX-99.1

ECOLAB DELIVERS VERY STRONG FIRST QUARTER OPERATING PERFORMANCE REPORTED DILUTED EPS $0.82; ADJUSTED DILUTED EPS $0.88, +7% CONTINUE TO EXPECT FURTHER PERFORMANCE IMPROVEMENT THROUGH 2023

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS VERY STRONG FIRST QUARTER OPERATING PERFORMANCE REPORTED DILUTED EPS $0.82; ADJUSTED DILUTED EPS $0.88, +7% CONTINUE TO EXPECT FURTHER PERFORMANCE IMPROVEMENT THROUGH 2023 FIRST QUARTER HIGHLIGHTS: ● Reported sales $3.6 billion, +9% versus

April 18, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

April 5, 2023 EX-99.2

ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION 2022 REVISED SEGMENT DATA AT 2023 FIXED CURRENCY EXCHANGE RATES

Exhibit 99.2 ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION 2022 REVISED SEGMENT DATA AT 2023 FIXED CURRENCY EXCHANGE RATES (unaudited) (millions) 2022 First Quarter Second Quarter Third Quarter Fourth Quarter Twelve Months Ended Ended Ended Ended Ended March 31 June 30 September 30 December 31 December 31 Net Sales Global Industrial $1,511.4 $1,653.3 $1,763.4

April 5, 2023 EX-99.1

ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION

Exhibit 99.1 ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION (unaudited) Year ended December 31 (millions) 2022 2021 Fixed Fixed Currency Currency Values at Rate Values at Values at Rate Values at 2022 Rates Other Change 2023 Rates 2022 Rates Other Change 2023 Rates Net Sales Global Industrial $6,944.0 $ - ($207.7) $6,736.3 $6,086.8 $ - ($178.3) $5,908.5 Global

April 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 5, 2023 ECOLAB INC. (Exact n

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 5, 2023 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS Em

March 27, 2023 PX14A6G

Ecolab Inc. (ECL)

Ecolab Inc. (ECL) Shareholder Alert Voluntary submission by John Chevedden, POB 2673, Redondo Beach, CA 90278 Ecolab shareholder since 2010 Please consider voting against Ms. Barbara Beck, Chair of the Governance Committee, due to biased Ecolab ballot Ms. Beck appears to believe that shareholder proposals do not deserve a fair chance at Ecolab. The Ecolab ballot suggests that the shareholder propo

March 17, 2023 DEF 14A

Incorporated by reference to Appendix A to the Company’s Definitive Proxy Statement on Schedule 14A filed on March 17, 2023.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Information Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ⌧ Filed by a Party other than the Registrant ◻ Check the appropriate box: ◻ Preliminary Proxy Statement ◻ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

March 17, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

February 24, 2023 EX-21.1

List of Subsidiaries.

Exhibit (21.1) SUBSIDIARIES OF ECOLAB INC. Entity Name State or Other Jurisdiction of Incorporation NLC Process and Water Services SARL Algeria Ecolab (Antigua) Ltd. Antigua & Barbuda Anios America S.A. Argentina Ecolab Argentina S.R.L. Argentina Ecolab Services Argentina S.R.L. Argentina Ecolab (Aruba) N.V. Aruba Ecolab (Fiji) Pty Limited Australia Ecolab AU2 Pty Ltd Australia Ecolab Pty Ltd. Aus

February 24, 2023 EX-24.1

Powers of Attorney.

EXHIBIT (24.1) POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of Ecolab Inc., a Delaware corporation, does hereby make, nominate and appoint CHRISTOPHE BECK, LANESHA T. MINNIX and THERESA E. CORONA, and each of them, to be my attorney-in-fact, with full power and authority to sign his name to the Annual Report on Form 10-K of Ecolab Inc. for the fiscal year ende

February 24, 2023 EX-10.16

Employment Transition Severance Agreement, dated November 16, 2022 between Ecolab Inc. and Timothy Mulhere.

EX-10.16 2 ecl-20221231xex10d16.htm EX-10.16 Exhibit (10.16) EMPLOYMENT TRANSITION SEVERANCE AGREEMENT THIS EMPLOYMENT TRANSITION SEVERANCE AGREEMENT (“Agreement”) is made and entered into as of November 16, 2022 (the “Effective Date”), by and among Ecolab Inc., a Delaware corporation (together with all present and former parents, subsidiaries, successors, assigns and affiliated corporations the “

February 24, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC. (E

February 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 14, 2023 ECOLAB INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 14, 2023 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IR

February 14, 2023 EX-99.1

ECOLAB DELIVERS STRONG FOURTH QUARTER OPERATING PERFORMANCE REPORTED DILUTED EPS $0.93; ADJUSTED DILUTED EPS $1.27 EXPECT FURTHER PERFORMANCE IMPROVEMENT THROUGH 2023

Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB DELIVERS STRONG FOURTH QUARTER OPERATING PERFORMANCE REPORTED DILUTED EPS $0.93; ADJUSTED DILUTED EPS $1.27 EXPECT FURTHER PERFORMANCE IMPROVEMENT THROUGH 2023 FOURTH QUARTER HIGHLIGHTS: ● Reported sales $3.7 billion, +9% versus last year. Acquisit

February 14, 2023 EX-99.2

Cautionary Statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to,

Exhibit 99.2 Fourth Quarter 2022 Supplemental 1 Cautionary Statement Forward-Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements regarding global economic conditions, delivered products costs, demand, inflation, currenc

February 9, 2023 SC 13G/A

ECL / Ecolab Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0789-ecolabinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Ecolab Inc. Title of Class of Securities: Common Stock CUSIP Number: 278865100 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pur

December 8, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 8, 2022 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IRS

December 8, 2022 EX-99.1

ECOLAB APPOINTS ERIC GREEN TO BOARD OF DIRECTORS

EX-99.1 2 tm2232139d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 News Release Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 ECOLAB APPOINTS ERIC GREEN TO BOARD OF DIRECTORS ST. PAUL, Minn. — December 8, 2022 — The board of directors of Ecolab Inc. has appointed Eric Green to the Ecolab board, effective December 8, 2022. Mr. Green will serve as an independent director and a member of the Compensati

November 18, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) November 16, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporatio

November 17, 2022 8-K

Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT ? Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported): November 17, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorpora

November 17, 2022 EX-4.2

Twelfth Supplemental Indenture, dated as of November 17, 2022, between Ecolab Inc. and Computershare Trust Company, N.A., as Trustee.

Exhibit 4.2 ? ? ? ECOLAB INC. ? $500,000,000 5.250% Notes due 2028 ? TWELFTH SUPPLEMENTAL INDENTURE ? Dated as of November 17, 2022 ? to ? Indenture dated as of January 12, 2015 ? COMPUTERSHARE TRUST COMPANY, N.A. (AS SUCCESSOR TO WELLS FARGO BANK, NATIONAL ASSOCIATION) ? Trustee ? ? ? ? ? ? ? This TWELFTH SUPPLEMENTAL INDENTURE (this ?Twelfth Supplemental Indenture?) dated as of November 17, 2022

November 10, 2022 424B3

Ecolab Inc. 5.250% Notes due 2028

TABLE OF CONTENTS  Amended Filing to Correct  Date of Prospectus Supplement on Cover Page  Filed Pursuant to Rule 424(b)(3)   Registration Statement No.

November 10, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2022 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IR

November 10, 2022 EX-1.1

Underwriting Agreement, dated as of November 7, 2022, by and among Ecolab Inc. and BofA Securities, Inc., Citigroup Global Markets Inc. and Goldman Sachs & Co. LLC, as representatives of the several underwriters named therein.

EX-1.1 2 ecl-20221107xex1d1.htm EX-1.1 Exhibit 1.1 Execution Version Ecolab Inc. $500,000,000 $500,000,000 5.250% Notes due 2028 Underwriting Agreement November 7, 2022 BofA Securities, Inc. One Bryant Park New York, New York 10036 Citigroup Global Markets Inc. 388 Greenwich Street New York, New York 10013 Goldman Sachs & Co. LLC 200 West Street New York, New York 10282-2198 As representatives of

November 8, 2022 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Ecolab Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Ecolab Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee(1) Carry F

November 8, 2022 424B5

Ecolab Inc. 5.250% Notes due 2028

TABLE OF CONTENTS ?Filed Pursuant to Rule 424(b)(5)? ?Registration Statement No. 333-249740? PROSPECTUS SUPPLEMENT (To Prospectus dated October 30, 2020) $500,000,000 Ecolab Inc. 5.250% Notes due 2028 The notes will bear interest at a rate of 5.250% per year and will mature on January 15, 2028. Interest on the notes will be payable semi-annually in arrears on January 15 and July 15 of each year, b

November 7, 2022 424B5

Subject to Completion Preliminary Prospectus Supplement dated November 7, 2022

TABLE OF CONTENTS The information in this preliminary prospectus supplement is not complete and may be changed.

November 7, 2022 FWP

Ecolab Inc. $500,000,000 5.250% Notes due 2028 Pricing Term Sheet November 7, 2022

Filed Pursuant to Rule 433 Registration No. 333-249740 Supplementing the Preliminary Prospectus Supplement dated November 7, 2022 (To Prospectus dated October 30, 2020) Ecolab Inc. $500,000,000 5.250% Notes due 2028 Pricing Term Sheet November 7, 2022 Issuer: Ecolab Inc. Type of Offering: SEC Registered (No. 333-249740) Anticipated Ratings*: A3 (Negative outlook) by Moody’s Investors Service, Inc.

November 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-9328 ECOLAB INC.

November 4, 2022 8-K

Financial Statements and Exhibits, Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) November 3, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporation

November 4, 2022 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) November 4, 2022 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated November 4, 2022 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-8 (Registration Nos. 2-90702; 33-18202; 3

November 1, 2022 EX-99.2

Forward - Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Ac t o f 1995. These forward - looking statements include, but are not limited to, statements reg

EX-99.2 3 ecl-20221101xex99d2.htm EX-99.2 Exhibit 99.2 Third Quarter 2022 Supplemental 1 Forward - Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Ac t o f 1995. These forward - looking statements include, but are not limited to, statements regarding global economic conditions, inflation, currency transl

November 1, 2022 EX-99.1

ECOLAB THIRD QUARTER REPORTED DILUTED EPS $1.21 ADJUSTED DILUTED EPS $1.30 WITH DOUBLE-DIGIT GROWTH IN SALES AND PRICING EXPECT CONTINUED IMPROVEMENT IN FOURTH QUARTER 2022 PERFORMANCE

EX-99.1 2 ecl-20221101xex99d1.htm EX-99.1 Exhibit 99.1 News Release Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Nigel Glennie (651) 250-2576 Cairn Clark (651) 250-2291 ECOLAB THIRD QUARTER REPORTED DILUTED EPS $1.21 ADJUSTED DILUTED EPS $1.30 WITH DOUBLE-DIGIT GROWTH IN SALES AND PRICING EXPECT CONTINUED IMPROVEMENT IN FOURTH QUARTER 2022 PERFORMANCE THIRD QUARTER HIGHLIGHTS: ●

November 1, 2022 8-K

Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) November 1, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporation

September 27, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) September 22, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporati

September 27, 2022 EX-99.1

DARRELL BROWN NAMED ECOLAB PRESIDENT AND COO

Exhibit 99.1 News Release ? Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 ? ? DARRELL BROWN NAMED ECOLAB PRESIDENT AND COO ? ST. PAUL, Minn. ? Sept. 27, 2022 ? Ecolab Inc. announced that Darrell R. Brown, currently executive vice president and president, Global Industrial, will become president and chief operating officer (COO) effective Oct. 1, 2022. ? ?As Ecolab continues to grow and expa

August 22, 2022 EX-99.1

The table below specifies the date of the transaction, number of shares, weighted-average purchase price and range of price per share of Common Stock of Ecolab Inc. purchased by each of Cascade Investment, L.L.C. (“Cascade”) and Bill & Melinda Gates

EXHIBIT 99.1 The table below specifies the date of the transaction, number of shares, weighted-average purchase price and range of price per share of Common Stock of Ecolab Inc. purchased by each of Cascade Investment, L.L.C. (?Cascade?) and Bill & Melinda Gates Foundation Trust (the ?Trust?) during the past 60 days. Each of Cascade and the Trust undertakes to provide upon request by the staff of

August 22, 2022 SC 13D/A

ECL / Ecolab Inc. / CASCADE INVESTMENT, L.L.C. - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7)* Ecolab Inc. (Name of Issuer) Common Stock, $1.00 par value (Title of Class of Securities) 278865100 (CUSIP Number) Jacki Badal, Esq. 2365 Carillon Point Kirkland, WA 98033 (425) 889-7900 (Name, Address and Telephone Number of Person Authorized to Receive

August 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? ? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 10-Q ? ? ? ? ? ? ? (Mark One) ? ? ? ? ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the quarterly period ended June 30, 2022 ? OR ? ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the transition period from to ?

August 4, 2022 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) August 4, 2022 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We are aware that our report dated August 4, 2022 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-8 (Registration Nos. 2-90702; 33-18202; 33-55

July 26, 2022 EX-99.1

ECOLAB SECOND QUARTER REPORTED DILUTED EPS $1.08 ADJUSTED DILUTED EPS $1.10 EXPECT IMPROVED SECOND HALF 2022 PERFORMANCE

Exhibit 99.1 ? News Release ? ? ? ? Investor Contact: Media Contact: Andrew Hedberg (651) 250-2185 Roman Blahoski (651) 250-4385 Cairn Clark (651) 250-2291 ? ? ECOLAB SECOND QUARTER REPORTED DILUTED EPS $1.08 ADJUSTED DILUTED EPS $1.10 EXPECT IMPROVED SECOND HALF 2022 PERFORMANCE ? ? SECOND QUARTER HIGHLIGHTS: ? Very strong second quarter sales growth, driven by accelerating total pricing and good

July 26, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) July 26, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporation) ?

July 26, 2022 EX-99.3

ECOLAB SECOND QUARTER 2022

Exhibit 99.3 ? ? ? ECOLAB SECOND QUARTER 2022 ? Overview Strong double-digit sales growth, driven by accelerating total pricing, good volume leverage and further new business wins was more than offset by continued substantial delivered product cost inflation, investments in the business, and unfavorable currency translation in a rapidly changing global operating environment. ? Sales: ? Sales growt

July 26, 2022 EX-99.2

Exhibit 99.2 Please see Ecolab’s news release dated July 26, 2022 for additional information, including discussion on the use of certain non - GAAP financial measures. Second Quarter 2022 Teleconference Supplemental Data 1 Please see Ecolab’s news re

Exhibit 99.2 Please see Ecolab?s news release dated July 26, 2022 for additional information, including discussion on the use of certain non - GAAP financial measures. Second Quarter 2022 Teleconference Supplemental Data 1 Please see Ecolab?s news release dated July 26, 2022 for additional information, including discussion on the use of certain non - GAAP financial measures. CAUTIONARY STATEMENT F

June 24, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

June 24, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

Table of Contents ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

June 7, 2022 EX-99.1

CAUTIONARY STATEMENT Forward - Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Ac t of 1995. These forward - looking statements include, but are not limite

Exhibit 99.1 Christophe Beck Chairman & Chief Executive Officer 1 CAUTIONARY STATEMENT Forward - Looking Information This communication contains forward looking statements as that term is defined in the Private Securities Litigation Reform Ac t of 1995. These forward - looking statements include, but are not limited to, statements regarding COVID - 19 pandemic trends, global economic recovery, sup

June 7, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) June 7, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporation) ?

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ECOLAB INC. (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 (State or other jurisdiction of incorporation or organization) (Commission File Number) 1 Ecolab Place, Saint Paul, Minnesota 55102 (Address of principal executive offices) (Zip Code) Michael C. McCormick, E

May 31, 2022 EX-1.01

Conflict Minerals Report for the reporting period from January 1, 2021 to December 31, 2021.

Exhibit 1.01 CONFLICT MINERALS REPORT OF 2021 TO FORM SD SPECIALIZED DISCLOSURE REPORT OF ECOLAB INC. I. Introduction Except where the context otherwise requires, references in this Conflict Minerals Report to ?Ecolab,? ?Company,? ?we? and ?our? are to Ecolab Inc. and its subsidiaries, collectively. As used herein and consistent with the Conflict Minerals Rule (as such term is defined below), (1)

May 9, 2022 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) May 5, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporation) ? (

May 9, 2022 EX-99.1

ECOLAB ANNUAL MEETING RESULTS ANNOUNCED

Exhibit 99.1 ? News Release ? Ecolab Inc. 1 Ecolab Place St. Paul, Minnesota 55102 ? www.ecolab.com ? ECOLAB ANNUAL MEETING RESULTS ANNOUNCED ? ST. PAUL, Minn. ? May 5, 2022 ? Ecolab Inc. announced today at its annual meeting of stockholders that the slate of twelve director nominees named in the company?s proxy statement was elected for a one-year term ending at its annual meeting of stockholders

May 5, 2022 EX-15.1

Letter regarding unaudited interim financial information.

Exhibit (15.1) ? ? May 5, 2022 ? Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 ? Commissioners: ? We are aware that our report dated May 5, 2022 on our review of interim financial statements of Ecolab Inc., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-8 (Registration Nos. 2-90702; 33-18202; 3

May 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? ? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 10-Q ? ? ? ? ? ? ? (Mark One) ? ? ? ? ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the quarterly period ended March 31, 2022 ? OR ? ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the transition period from to ?

April 26, 2022 EX-99.1

ECOLAB FIRST QUARTER REPORTED DILUTED EPS $0.60; ADJUSTED DILUTED EPS $0.82, +1%; CONTINUE TO EXPECT STRONG SECOND HALF 2022 EARNINGS GROWTH

Exhibit 99.1 ? News Release ? ? ? ? ? ? ? ? ? Michael Monahan (651) 250-2809 Andrew Hedberg (651) 250-2185 Cairn Clark (651) 250-2291 ? ECOLAB FIRST QUARTER REPORTED DILUTED EPS $0.60; ADJUSTED DILUTED EPS $0.82, +1%; CONTINUE TO EXPECT STRONG SECOND HALF 2022 EARNINGS GROWTH ? ? FIRST QUARTER HIGHLIGHTS: ? Very strong first quarter sales growth, driven by strong volume gains and accelerating pric

April 26, 2022 EX-99.3

ECOLAB FIRST QUARTER 2022

Exhibit 99.3 ? ? ? ECOLAB FIRST QUARTER 2022 ? Overview Continued strong double-digit sales growth, driven by accelerating pricing and further new business wins, overcame continued substantial delivered product cost inflation and unfavorable currency translation in a rapidly changing global operating environment to deliver the adjusted diluted earnings per share gain. ? Sales: ? Sales growth accel

April 26, 2022 EX-99.2

Exhibit 99.2 Please see Ecolab ’ s news release dated April 26, 2022 for additional information, including discussion on the use of certain non - GAAP financial measures. First Quarter 2022 Teleconference Supplemental Data Please see Ecolab’s news re

Exhibit 99.2 Please see Ecolab ? s news release dated April 26, 2022 for additional information, including discussion on the use of certain non - GAAP financial measures. First Quarter 2022 Teleconference Supplemental Data Please see Ecolab?s news release dated April 26, 2022 for additional information, including discussion on the use of certain non - GAAP financial measures. .. Cautionary Stateme

April 26, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) April 26, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporation)

March 30, 2022 EX-99.1

ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION

Exhibit 99.1 ? ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION (unaudited) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Year ended December 31 (millions) ? 2021 ? 2020 ? ? ? ? ? ? Fixed ? ? ? ? ? ? ? Fixed ? ? ? ? ? ? ? ? Currency ? ? ? ? ? ? ? Currency ? ? ? ? Values at ? ? ? Rate ? Values at ? Values at ? ? ? Rate ? Values at ? ? 2021 Rates ? Other ? Change ? 2022 Rate

March 30, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) March 30, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporation)

March 30, 2022 EX-99.2

ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION 2021 REVISED SEGMENT DATA AT 2022 FIXED CURRENCY EXCHANGE RATES

Exhibit 99.2 ECOLAB INC. SUPPLEMENTAL REPORTABLE SEGMENT INFORMATION AND NON-GAAP RECONCILIATION 2021 REVISED SEGMENT DATA AT 2022 FIXED CURRENCY EXCHANGE RATES (unaudited) ? ? ? ? ? ? ? ? ? ? ? ? (millions) ? 2021 ? ? First Quarter ? Second Quarter ? Third Quarter ? Fourth Quarter ? Twelve Months ? ? Ended ? Ended ? Ended ? Ended ? Ended ? ? March 31 ? June 30 ? September 30 ? December 31 ? Decem

March 30, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

March 18, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Information Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Information Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ? Filed by the Registrant ? ? Filed by a Party other than the Registrant ? ? Check the appropriate box: ? ? ? Preliminary Proxy Statement ? ? ? Confidential, for Use of the Commission Only (as permitted by

March 18, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFA14A 1 tmb-20220318xdefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only

February 28, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) February 28, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporatio

February 28, 2022 EX-99.1

BAKER TO RETIRE FROM ECOLAB BOARD Christophe Beck will add Chair title at May 2022 annual meeting

Exhibit 99.1 News Release ? ? ? ? ? ? ? ? ? Michael Monahan (651) 250-2809 ? Andrew Hedberg (651) 250-2185 ? ? BAKER TO RETIRE FROM ECOLAB BOARD Christophe Beck will add Chair title at May 2022 annual meeting ? ST. PAUL, Minn., February 28, 2022: Ecolab announced that Douglas M. Baker, Jr., executive chairman of the board of directors of Ecolab, has informed the company that he will step down from

February 25, 2022 EX-24.1

Powers of Attorney.

EXHIBIT (24.1) ? POWER OF ATTORNEY ? KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director of Ecolab Inc., a Delaware corporation, does hereby make, nominate and appoint CHRISTOPHE BECK, MICHAEL C. MCCORMICK and TIMOTHY A. BEASTROM, and each of them, to be my attorney-in-fact, with full power and authority to sign his name to the Annual Report on Form 10-K of Ecolab Inc. for the fiscal

February 25, 2022 EX-21.1

List of Subsidiaries.

Exhibit (21.1) ? SUBSIDIARIES OF ECOLAB INC. ? ? ? ? ? ? ? Entity Name ? State or Other Jurisdiction of Incorporation ? NLC Process and Water Services SARL Algeria Ecolab (Antigua) Ltd. Antigua & Barbuda Anios America S.A. Argentina Ecolab Argentina S.R.L. Argentina Ecolab Services Argentina S.R.L. Argentina Ecolab (Aruba) N.V. Aruba Ecolab (Fiji) Pty Limited Australia Ecolab AU2 Pty Ltd Australia

February 25, 2022 EX-10.8

Ecolab Mirror Savings Plan, as amended and restated, effective as of January 1, 2022.

? Exhibit (10.8) ECOLAB MIRROR SAVINGS PLAN (As Amended and Restated Effective as of January 1, 2022) WHEREAS, Ecolab Inc. (the ?Company?) previously established the Ecolab Mirror Savings Plan (the ?Plan?) to provide additional deferred compensation benefits for certain management and highly compensated employees who perform management and professional functions for the Company and certain related

February 25, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 25, 2022 EX-10.10

Ecolab Inc. Administrative Document for Non-Qualified Plans, as amended and restated, effective as of January 1, 2022.

? Exhibit (10.10) ECOLAB INC. ADMINISTRATIVE DOCUMENT FOR NON-QUALIFIED BENEFIT PLANS (As Amended and Restated Effective as of January 1, 2022) Ecolab Inc. (the ?Company?) hereby amends and completely restates this Administrative Document (the ?Administrative Document?) which provides for the administration of the non-qualified benefit plans listed on Exhibit A hereto (collectively, the ?Plans? an

February 25, 2022 EX-10.7

Ecolab Supplemental Executive Retirement Plan, as amended and restated, effective as of January 1, 2022.

? Exhibit (10.7) ECOLAB SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (As Amended and Restated Effective as of January 1, 2022) WHEREAS, the Company previously established the Ecolab Supplemental Executive Retirement Plan (the ?Plan?) to provide additional retirement benefits in consideration of services performed and to be performed by certain participants for the Company and certain related corporation

February 25, 2022 EX-10.13(IX)

Sample form of Performance-Based Restricted Stock Unit Award Agreement under the Ecolab Inc. 2010 Stock Incentive Plan, adopted December 1, 2021.

Exhibit (10.13(ix)) ECOLAB INC. (the "Company") PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT ? ? ARTICLE 1.GRANT OF AWARD ? The Company has adopted the Ecolab Inc. 2010 Stock Incentive Plan (the ?Plan?) to grant a performance-based restricted Stock Unit Awards to certain employees of the Company and its Subsidiaries. The Company hereby grants to you (the "Grantee") on the date set forth

February 25, 2022 EX-10.9

Ecolab Mirror Pension Plan, as amended and restated, effective as of January 1, 2022.

Exhibit (10.9) ECOLAB MIRROR PENSION PLAN (As Amended and Restated Effective as of January 1, 2022) WHEREAS, Ecolab Inc. (the ?Company?) has established the Ecolab Pension Plan (the ?Pension Plan?), a qualified defined benefit pension plan; and WHEREAS, Sections 401(a)(17) and 415 of the Code place certain limitations on the amount of benefits that would otherwise be made available under the Pensi

February 15, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) February 15, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporatio

February 15, 2022 EX-99.2

Exhibit 99.2

Exhibit 99.2 Please see Ecolab ? s news release dated February 15, 2022 for additional information, including discussion on the use of certain non - GAAP financial measures. Fourth Quarter 2021 Teleconference Supplemental Data Please see Ecolab?s news release dated February 15, 2022 for additional information, including discussion on the use of certain non - GAAP financial measures. .. Cautionary

February 15, 2022 EX-99.1

ECOLAB FOURTH QUARTER REPORTED DILUTED CONTINUING OPERATIONS EPS $1.04; ADJUSTED DILUTED CONTINUING OPERATIONS EPS $1.28, +4%; FULL YEAR 2022 OUTLOOK UNCHANGED WITH STRONG SALES AND ADJUSTED DILUTED EPS GROWTH REACHING LOW-TEENS

Exhibit 99.1 ? News Release ? ? ? ? ? ? ? ? ? Michael Monahan (651) 250-2809 Andrew Hedberg (651) 250-2185 ? ECOLAB FOURTH QUARTER REPORTED DILUTED CONTINUING OPERATIONS EPS $1.04; ADJUSTED DILUTED CONTINUING OPERATIONS EPS $1.28, +4%; FULL YEAR 2022 OUTLOOK UNCHANGED WITH STRONG SALES AND ADJUSTED DILUTED EPS GROWTH REACHING LOW-TEENS ? ? FOURTH QUARTER HIGHLIGHTS: ? Continued strong fourth quart

February 15, 2022 EX-99.3

ECOLAB FOURTH QUARTER 2021

EX-99.3 4 ecl-20220215xex99d3.htm EX-99.3 Exhibit 99.3 ECOLAB FOURTH QUARTER 2021 Overview Continued strong sales growth, driven by accelerated pricing and further robust new business wins in an uneven market recovery, were partially offset by increased COVID-related effects on broad business activity and a near doubling of delivered product cost (which includes raw materials and freight) inflatio

February 9, 2022 SC 13G/A

ECL / Ecolab Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Ecolab Inc. Title of Class of Securities: Common Stock CUSIP Number: 278865100 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13

January 20, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT ? Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported): January 20, 2022 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporat

January 20, 2022 EX-99.1

ECOLAB EXPECTS STRONG 4Q 2021 SALES GROWTH BUT LOWER THAN EXPECTED EPS GROWTH DUE TO COVID & SUPPLY CHAIN DISRUPTIONS; EXPECTS LOW-TEENS ADJUSTED EPS GROWTH IN FULL-YEAR 2022

EX-99.1 2 ecl-20220120xex99d1.htm EX-99.1 EXHIBIT 99.1 News Release Michael Monahan (651) 250-2809 Andrew Hedberg (651) 250-2185 ECOLAB EXPECTS STRONG 4Q 2021 SALES GROWTH BUT LOWER THAN EXPECTED EPS GROWTH DUE TO COVID & SUPPLY CHAIN DISRUPTIONS; EXPECTS LOW-TEENS ADJUSTED EPS GROWTH IN FULL-YEAR 2022 ST. PAUL, Minn., January 20, 2022: Ecolab said that it expects reported sales to increase 10% ve

December 15, 2021 8-K

Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT ? Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported): December 15, 2021 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorpora

December 15, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported) December 9, 2021 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporation

December 15, 2021 EX-4.2

Eleventh Supplemental Indenture, dated as of December 15, 2021, between Ecolab Inc. and Computershare Trust Company, N.A.

Exhibit 4.2 ? ? ECOLAB INC. ? $2,500,000,000 ? $500,000,000 0.900% Notes due 2023 $500,000,000 1.650% Notes due 2027 $650,000,000 2.125% Notes due 2032 $850,000,000 2.700% Notes due 2051 ? ELEVENTH SUPPLEMENTAL INDENTURE ? Dated as of December 15, 2021 ? to ? Indenture dated as of January 12, 2015 ? COMPUTERSHARE TRUST COMPANY, N.A. (AS SUCCESSOR TO WELLS FARGO BANK, NATIONAL ASSOCIATION) ? Truste

December 10, 2021 EX-1.1

Underwriting Agreement, dated as of December 6, 2021, by and among Ecolab Inc. and J.P. Morgan Securities LLC, Barclays Capital Inc., BofA Securities, Inc. and Goldman Sachs & Co. LLC, as representatives of the several underwriters named therein.

Exhibit 1.1 ? Execution Copy ? Ecolab Inc. $2,500,000,000 ? $500,000,000 0.900% Notes due 2023 $500,000,000 1.650% Notes due 2027 $650,000,000 2.125% Notes due 2032 $850,000,000 2.700% Notes due 2051 ? ?? Underwriting Agreement December 6, 2021 ? ? J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 ? Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 ? BofA Secur

December 10, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2021 ECOLAB INC. (Exact name of registrant as specified in its charter) Delaware 1-9328 41-0231510 (State or other jurisdiction of incorporation) (Commission File No.) (IR

December 7, 2021 424B5

CALCULATION OF REGISTRATION FEE

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(5)? Registration No. 333-249740? ? CALCULATION OF REGISTRATION FEE? ? ? Title of each Class of Securities to be Registered ? ? ? Amount to be Registered ? ? ? Proposed Maximum Offering Price Per Unit ? ? ? Proposed Maximum Aggregate Offering Price ? ? ? Amount of Registration Fee(1) ? ? 0.900% Senior Notes due 2023 ? ? ? ? $ 500,000,000 ? ? ? ? ? ? 9

December 6, 2021 FWP

Ecolab Inc. $500,000,000 0.900% Notes due 2023 $500,000,000 1.650% Notes due 2027 $650,000,000 2.125% Notes due 2032 $850,000,000 2.700% Notes due 2051 Pricing Term Sheet December 6, 2021

Filed Pursuant to Rule 433 Registration No. 333-249740 Supplementing the Preliminary Prospectus Supplement dated December 6, 2021 (To Prospectus dated October 30, 2020) Ecolab Inc. $2,500,000,000 $500,000,000 0.900% Notes due 2023 $500,000,000 1.650% Notes due 2027 $650,000,000 2.125% Notes due 2032 $850,000,000 2.700% Notes due 2051 Pricing Term Sheet December 6, 2021 Issuer: Ecolab Inc. Type of

December 6, 2021 424B5

Subject to Completion Preliminary Prospectus Supplement dated December 6, 2021

424B5 1 tm2134447-1424b5.htm 424B5 TABLE OF CONTENTS The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell the securities and are not soliciting an offer to buy the securities in any jurisdiction where the offer or sale is not permitted.  Filed Pursuant to Rule 42

December 1, 2021 EX-99.01

ECOLAB CLOSES ON PURCHASE OF PUROLITE

Exhibit (99.1) ? ? News Release ? ? ? ? ? ? FOR IMMEDIATE RELEASE ? ? ? Contact: Michael Monahan (651) 250-2809 Andrew Hedberg (651) 250-2185 ? ? ECOLAB CLOSES ON PURCHASE OF PUROLITE ? ST. PAUL, Minn., Dec. 1, 2021: Ecolab Inc. has closed on its previously announced acquisition of Purolite, a leading and fast-growing global provider of high-end ion exchange resins for the separation and purificat

December 1, 2021 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT ? Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ? Date of Report (Date of earliest event reported): December 1, 2021 ? ECOLAB INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? Delaware ? 1-9328 ? 41-0231510 (State or other jurisdiction of incorporat

December 1, 2021 EX-2.1

Stock and Asset Purchase Agreement, dated October 28, 2021, by and among Ecolab Inc., Purolite Corporation, a Delaware corporation (“Purolite”), Stefan E. Brodie and Don B. Brodie (the “Founder Sellers” and together with Purolite, the “Sellers”) and Stefan E. Brodie, solely in his capacity as the representative of the Sellers.

Exhibit (2.1) Execution Version ? ? ? STOCK AND ASSET PURCHASE AGREEMENT by and among PUROLITE CORPORATION, THE SELLERS, STEFAN E. BRODIE, solely in his capacity as the Seller Representative, and ECOLAB INC. DATED AS OF OCTOBER 28, 2021 ? ? ? ? ? ? TABLE OF CONTENTS Page Article I DEFINITIONS AND TERMS Section 1.1 Definitions?2 Section 1.2 Other Definitional Provisions?18 Article II PURCHASE AND S

November 23, 2021 EX-10.1

Term Credit Agreement, dated November 19, 2021, by and among Ecolab Inc., the financial institutions party thereto as Banks from time to time, and JP Morgan Chase Bank, N.A., as administrative agent

EX-10.1 2 ecl-20211119xex10d1.htm EX-10.1 Exhibit 10.1 EXECUTION VERSION TERM CREDIT AGREEMENT dated as of November 19, 2021, among ECOLAB INC., as Borrower, THE FINANCIAL INSTITUTIONS NAMED HEREIN, as Banks, and JPMORGAN CHASE BANK, N.A., as Administrative Agent JPMORGAN CHASE BANK, N.A., as Sole Arranger and Sole Bookrunner TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS AND ACCOUNTING TERMS Sectio

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