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, 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 Number 001-34223 _______________________ CLEAN HARBORS, INC. (Exact name of registrant as specified in its charter) Massachuset ...

Clean Harbors, Inc. (NYSE:CLH) Q1 2023 Results Conference Call May 3, 2023 9:00 AM ET Company Participants Michael McDonald - General Counsel Eric Gerstenberg - Co-Chief Operating Officer Mike Battles - Co-Chief Operating Officer Eric Dugas - Chief Financial Officer Jim Buckley - Senior Vice President of Investor Relations Conference Call Participants Michael Hoffman - Stifel Jerry Revich - Goldman Sachs Jim Ricchiuti - Needham Tobey Sommer - Truist Noah Kaye - Oppenheimer David Manthey - Baird Operator Goo ...

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, 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 Number 001-34223 _______________________ CLEAN HARBORS, INC. (Exact name of registrant as specified in its charter) Massachuse ...

Clean Harbors, Inc. (NYSE:CLH) Q4 2022 Earnings Conference Call March 1, 2023 9:00 AM ET Company Participants Michael McDonald – General Counsel Alan McKim – Chairman, President and Chief Executive Officer Eric Gerstenberg – President and Chief Operating Officer Mike Battles – Executive Vice President and Chief Financial Officer Conference Call Participants Michael Hoffman – Stifel Noah Kaye – Oppenheimer Quinn Fredrickson – Baird Adam Bubes – Goldman Sachs Jim Ricchiuti – Needham Operator Greetings, and w ...

Fourth-Quarter and Full-Year 2022 Investor Review March 1, 2023 1 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 ...

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 NUMBER 001-34223 CLEAN HARBORS, INC. (Exact name of registrant as specified in its charter) Massachusetts 04-2997780 (State or Other Juri ...