Clean Harbors, Inc. (NYSE:CLH) Q3 2021 Earnings Conference Calls November 3, 2021 9:00 AM ET Company Representatives Alan McKim - Chairman, President, Chief Executive Officer Mike Battles - EVP, Chief Financial Officer Eric Gerstenberg - President, Chief Operating Officer Jim Buckley - SVP, Investor Relations Michael McDonald - General Counsel Conference Call Participants Noah Kaye - Oppenheimer Jerry Revich - Goldman Sachs Michael Hoffman - Stifel Jim Ricchiuti - Needham & Company Jeff Silber - BMO Capital ...

Table of Contents Title of each class Trading Symbol Name of each exchange on which registered Common Stock, $0.01 par value CLH New York Stock Exchange UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________ FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION ...

Clean Harbors Inc. (NYSE:CLH) Q2 2021 Earnings Conference Call August 4, 2021 9:00 AM ET Company Participants Michael McDonald - General Counsel Alan McKim - Chairman, President and Chief Executive Officer Mike Battles - Executive VP and CFO Conference Call Participants Tyler Brown - Raymond James Noah Kaye - Oppenheimer Michael Hoffman - Stifel Ryan Gunning - Jefferies Jeff Silber - BMO Capital Markets Adam Bubes - Goldman Sachs Larry Solow - CJS Securities David Manthey - Baird Jim Ricchiuti - Needham Ale ...

Second Quarter 2021 Investor Review August 4, 2021 1 40 YEARS OF SUSTAINABILITY IN ACTION Forward Looking Statements and GAAP Disclaimer These slides contain (and the accompanying oral discussion will contain) forward-looking statements, which are generally identifiable by use of the words "believes," "expects," "intends," "anticipates," "plans to," "seeks," "should," "estimates," "projects," "may," "likely" or similar expressions. Such statements may include, but are not limited to, statements about future ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________ FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 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 Number 001-34223 _______________________ CLEAN HARBORS, INC. (Exact name of registrant as specified in its ch ...

1 Stifel 2021 Cross Sector Insight Conference June 9, 2021 WE HELP THE ENVIRONMENT Forward Looking Statements and GAAP Disclaimer These slides contain (and the accompanying oral discussion will contain) forward-looking statements, which are generally identifiable by use of the words "believes," "expects," "intends," "anticipates," "plans to," "seeks," "should," "estimates," "projects," "may," "likely" or similar expressions. Such statements may include, but are not limited to, statements about future financ ...

1 UBS Global Industrials and Transportation Conference June 8, 2021 WE HELP THE ENVIRONMENT Forward Looking Statements and GAAP Disclaimer These slides contain (and the accompanying oral discussion will contain) forward-looking statements, which are generally identifiable by use of the words "believes," "expects," "intends," "anticipates," "plans to," "seeks," "should," "estimates," "projects," "may," "likely" or similar expressions. Such statements may include, but are not limited to, statements about futu ...

First Quarter 2021 Investor Review May 5, 2021 Forward Looking Statements and GAAP Disclaimer These slides contain (and the accompanying oral discussion will contain) forward-looking statements, which are generally identifiable by use of the words "believes," "expects," "intends," "anticipates," "plans to," "seeks," "should," "estimates," "projects," "may," "likely" or similar expressions. Such statements may include, but are not limited to, statements about future financial and operating results, the Compa ...

Clean Harbors, Inc. (NYSE:CLH) Q1 2021 Earnings Conference Call May 5, 2021 9:00 AM ET Company Participants Michael McDonald - General Counsel Alan McKim - Chairman, President and Chief Executive Officer Michael Battles - Executive Vice President and Chief Financial Officer Conference Call Participants Noah Kaye - Oppenheimer & Co. Patrick Brown - Raymond James & Associates, Inc. David Manthey - Robert W. Baird & Co. Inc. Jerry Revich - Goldman Sachs Michael Hoffman - Stifel, Nicolaus & Company, Inc. John M ...

Table of Contents Title of each class Trading Symbol Name of each exchange on which registered Common Stock, $0.01 par value CLH New York Stock Exchange UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________ FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERI ...