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. (Exact name of registrant as specified in its charter) Delaware 41-0231510 (State or other jurisdiction of (I.R.S. Employer incorpor ...

Ecolab Inc. (NYSE:ECL) Q4 2022 Results Conference Call February 14, 2023 1:00 PM ET Company Participants Andrew Hedberg - Head of IR Christophe Beck - CEO Scott Kirkland - CFO Conference Call Participants Timothy Mulrooney - William Blair & Company Seth Weber - Wells Fargo Securities John Roberts - Credit Suisse Joshua Spector - UBS Manav Patnaik - Barclays Michael Harrison - Seaport Research Partners David Begleiter - Deutsche Bank Jeffrey Zekauskas - JPMorgan Christopher Parkinson - Mizuho Securities Ashi ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading symbol(s) Name of each exchange on which registered Common Stock, $1.00 par value 2.625% Euro Notes due 2025 1.000% Euro Notes due 2024 ECL ECL 25 ECL 24 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 ...

Ecolab Inc. (NYSE:ECL) Q3 2022 Results Conference Call November 1, 2022 1:00 PM ET Company Participants Andy Hedberg - VP, IR Christophe Beck - Chairman and CEO Scott Kirkland - CFO Conference Call Participants Manav Patnaik - Barclays Tim Mulrooney - William Blair David Begleiter - Deutsche Bank Seth Weber - Wells Fargo John Roberts - Credit Suisse Josh Spector - UBS Christopher Parkinson - Mizuho John McNulty - BMO Capital Markets Jeff Zekauskas - JPMorgan Ashish Sabadra - RBC Capital Markets Shlomo Rosen ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading symbol(s) Name of each exchange on which registered Common Stock, $1.00 par value 2.625% Euro Notes due 2025 1.000% Euro Notes due 2024 ECL ECL 25 ECL 24 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 ...

Ecolab Inc. (NYSE:ECL) Q2 2022 Results Conference Call July 26, 2022 1:00 PM ET Company Participants Andy Hedberg - IR Christophe Beck - CEO Scott Kirkland - CFO Conference Call Participants Tim Mulrooney - William Blair Ronan Kennedy - Barclays David Begleiter - Deutsche Bank Seth Weber - Wells Fargo Securities John Roberts - Credit Suisse Josh Spector - UBS Christopher Parkinson - Mizuho John McNulty - BMO Capital Markets Ashish Sabadra - RBC Capital Markets Jeff Zekauskas - JPMorgan Vincent Andrews - Mor ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading symbol(s) Name of each exchange on which registered Common Stock, $1.00 par value 2.625% Euro Notes due 2025 1.000% Euro Notes due 2024 ECL ECL 25 ECL 24 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 ...

Ecolab Inc. (NYSE:ECL) Q1 2022 Earnings Conference Call April 26, 2022 1:00 PM ET Company Participants Mike Monahan - Senior Vice President, External Relations Christophe Beck - CEO Scott Kirkland - CFO Conference Call Participants Tim Mulrooney - William Blair David Begleiter - Deutsche Bank Manav Patnaik - Barclays Steve Byrne - Bank of America Ashish Sabadra - RBC Capital Markets Chris Parkinson - Mizuho Josh Spector - UBS Vincent Andrews - Morgan Stanley Scott Schneeberger - Oppenheimer Kevin McCarthy - ...

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, 2021 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. (Exact name of registrant as specified in its charter) Delaware 41-0231510 (State or other jurisdiction of incorpo ...

Ecolab Inc. (NYSE:ECL) Q4 2021 Results Conference Call February 15, 2022 1:00 PM ET Company Participants Christophe Beck - Chief Executive Officer Mike Monahan - SVP External Relations for Ecolab Scott Kirkland - Chief Financial Officer Conference Call Participants Tim Mulrooney - William Blair Manav Patnaik - Barclays Chris Parkinson - Mizuho John McNulty - BMO Capital Markets Vincent Andrews - Morgan Stanley John Roberts - UBS Ashish Sabadra - RBC Laurence Alexander - Jefferies Scott Schneeberger - Oppenh ...