clh-20230802
0000822818false00008228182023-08-022023-08-02

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 2, 2023
 
CLEAN HARBORS, INC.
(Exact name of registrant as specified in its charter)
 
Massachusetts
001-34223
04-2997780
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
42 Longwater DriveNorwellMA02061-9149
(Address of Principal Executive Offices)(Zip Code)

 Registrant’s telephone number, including area code (781) 792-5000
 
Not Applicable
(Former name or former address, if changed since last report.)
 
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
 
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) 
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) 
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) 
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol
Name of each exchange on which registered
Common Stock, $0.01 par value
CLH
New York Stock Exchange



Item 2.02 Results of Operations and Financial Condition

On August 2, 2023, Clean Harbors, Inc. (the “Company”) issued a press release announcing the Company’s results of operations for the second quarter ended June 30, 2023. A copy of that press release is furnished with this report as Exhibit 99.1.


Item 9.01    Financial Statements and Exhibits.

(d) Exhibits. The following exhibits are being furnished herewith:

Exhibit No.Description
99.1
104The cover page from this Current Report on Form 8-K, formatted in iXBRL (Inline eXtensible Business Reporting Language)
1


SIGNATURES
    Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 Clean Harbors, Inc.
 (Registrant)
  
  
August 2, 2023/s/ Eric J. Dugas
 Executive Vice President and Chief Financial Officer







2
Document
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EXHIBIT 99.1
Press Release                                            

Clean Harbors Announces Second-Quarter 2023 Financial Results

Grows Q2 Revenue to $1.4 Billion on Continued Strength in Environmental Services
Generates Q2 Net Income of $115.8 Million, or EPS and Adjusted EPS of $2.13
Delivers Q2 Adjusted EBITDA of $287.5 Million
Reiterates 2023 Adjusted EBITDA and Adjusted Free Cash Flow Guidance

NORWELL, Mass. – August 2, 2023 – Clean Harbors, Inc. (“Clean Harbors”) (NYSE: CLH), the leading provider of environmental and industrial services throughout North America, today announced financial results for the second quarter ended June 30, 2023.
“Clean Harbors delivered a strong second-quarter performance, highlighted by the continued momentum of the Environmental Services (ES) segment,” said Eric Gerstenberg, Co-Chief Executive Officer. “The segment’s Adjusted EBITDA margin improved by 140 basis points through a combination of revenue growth, pricing initiatives and productivity gains. The profitable growth in our ES segment partly offset decreased revenue and profitability in our Safety-Kleen Sustainability Solutions (SKSS) segment, which declined due to base oil market conditions. At the same time, we posted the best second-quarter safety results in the Company’s history, registering a Total Recordable Incident Rate (TRIR) of 0.68 to conclude a great first half in safety.”

Second-Quarter Results
Revenues increased 3% to $1.40 billion from $1.36 billion in the same period of 2022. Income from operations was $189.8 million, compared to $211.2 million in the second quarter of 2022.

Net income and adjusted net income were $115.8 million, or $2.13 per diluted share. This compared with net income of $148.2 million, or $2.71 per diluted share, for the same period in 2022. Adjusted for certain items in the 2022 period, adjusted net income in the second quarter of 2022 was $133.1 million, or $2.44 per diluted share. (See reconciliation tables below).

Adjusted EBITDA (see description below) was $287.5 million compared with $309.1 million in the same period of 2022.

Q2 2023 Segment Review
“Healthy demand across our ES segment yielded a 13% increase in Adjusted EBITDA with a 26% margin, reflecting a record level of revenue throughout our service businesses, supported by our disposal and recycling network,” said Gerstenberg. “In Q2, we capitalized on a busy spring turnaround season and solid initial contributions from our recent Thompson Industrial acquisition, leading to revenue growth of 11% in Industrial
Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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Services. Revenue in Safety-Kleen Environmental Services grew 16%, while Field Services revenue was up 7%. Within Technical Services, our incineration utilization improved sequentially to 84%, but was down from a year ago due to a higher number of maintenance days. We continued to see a healthy mix of waste volumes as our average incineration price was up 8% in the quarter while our landfill average price per ton increased 21% on strong base business.”

“During the quarter the SKSS segment set operational records collecting 64 million gallons of oil and achieving our highest Q2 base oil sales volume,” said Mike Battles, Co-Chief Executive Officer. “However, financial results in the segment were below our expectations due to unfavorable macro supply dynamics and pricing headwinds in the base oil market that included an unexpected June price decline and lower spot pricing throughout the quarter. To address the compression in our re-refining spread, we rapidly shifted from a pay-for-oil (PFO) to a charge-for-oil (CFO) pricing model while still collecting a record amount of used oil. We also maximized plant production, optimizing the economics of the business while navigating the current environment.”

Business Outlook and Financial Guidance
“We remain on track to hit our financial targets in 2023 as momentum in our ES segment continues to offset the decline in SKSS,” said Gerstenberg. “Demand within our key ES businesses has not slowed, and underlying market conditions remain positive. Industrial Services continues to be a meaningful contributor to our 2023 success, and we expect a healthy fall turnaround season. Within our disposal network, our record backlog grew again in Q2, which positions us well for the coming quarters. The buildout of our new incinerator in Kimball, Nebraska is going well as we continue to target an early 2025 opening. The project pipeline within the ES segment shows no sign of slowing. The pace of reshoring remains robust, and government infrastructure spending is just starting to register. We are also seeing customer interest in projects related to the remediation of ‘forever chemicals’ (PFAS) increase. We expect the recent authorization of PFAS incineration by the Department of Defense will support our growth in the coming years. Overall, we continue to anticipate a record year in our ES segment.”

“Within SKSS, we expect challenging market conditions to extend throughout the remainder of the year given that the summer driving season did not stabilize pricing due to global oversupply and destocking efforts by U.S. customers. Therefore, we expect base oil and blended pricing to remain under pressure in the back half of 2023. Our near-term focus will continue to be on effectively managing waste oil collection to supply our plants with the lowest cost gallons possible and running our plants efficiently, while continuing to grow overall sales volumes. Even though we are lowering our 2023 expectations for the SKSS segment again due to current market factors, we fully expect that reduction to be offset by profitable growth in ES,” Battles concluded.

For the third quarter of 2023, Clean Harbors expects its ES segment to continue to grow and perform well. Overall, the Company expects Adjusted EBITDA to decrease 7% to 9% from the prior year related to the difficult year-over-year comparison in its SKSS segment.
Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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For full-year 2023, Clean Harbors expects:
Adjusted EBITDA in the range of $1.02 billion to $1.06 billion or a midpoint of $1.04 billion. This range is based on anticipated GAAP net income in the range of $372 million to $408 million; and
Adjusted free cash flow in the range of $305 million to $345 million, or a midpoint of $325 million, which includes $85 million to $90 million of spend related to the Kimball incinerator. This range is based on anticipated net cash from operating activities in the range of $705 million to $765 million.

Non-GAAP Results
Clean Harbors reports Adjusted EBITDA, which is a non-GAAP financial measure and should not be considered an alternative to net income or other measurements under generally accepted accounting principles (GAAP) but viewed only as a supplement to those measurements. Adjusted EBITDA is not calculated identically by all companies, and therefore the Company’s measurement of Adjusted EBITDA may not be comparable to similarly titled measures reported by other companies. Clean Harbors believes that Adjusted EBITDA provides additional useful information to investors since the Company’s loan covenants are based upon levels of Adjusted EBITDA achieved and management routinely evaluates the performance of its businesses based upon levels of Adjusted EBITDA. The Company defines Adjusted EBITDA in accordance with its existing revolving credit agreement, as described in the following reconciliation showing the differences between reported net income and Adjusted EBITDA for the three and six months ended June 30, 2023 and 2022 (in thousands, except percentages):
For the Three Months EndedFor the Six Months Ended
June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Net income$115,766 $148,157 $188,167 $193,471 
Accretion of environmental liabilities3,486 3,197 6,893 6,353 
Stock-based compensation4,500 6,835 10,518 12,547 
Depreciation and amortization89,697 87,868 174,455 172,166 
Other expense (income), net1,283 (1,265)1,167 (1,969)
Loss on early extinguishment of debt— — 2,362 — 
Gain on sale of business— (8,864)— (8,864)
Interest expense, net of interest income30,072 26,256 50,704 51,273 
Provision for income taxes42,702 46,886 68,378 64,352 
Adjusted EBITDA$287,506 $309,070 $502,644 $489,329 
Adjusted EBITDA Margin20.6 %22.8 %18.6 %19.4 %
This press release includes a discussion of net income and earnings per share adjusted for the loss on early extinguishment of debt, gain on sale of business and the impacts of tax-related valuation allowances and other items as identified in the reconciliations provided below. The Company believes that discussion of these additional non-GAAP measures provides investors with meaningful comparisons of current results to prior periods’ results by excluding items that the Company does not believe reflect its fundamental business performance. The following shows the difference between net income and adjusted net income, and the
Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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difference between earnings per share and adjusted earnings per share, for the three and six months ended June 30, 2023 and 2022 (in thousands, except per share amounts):
For the Three Months EndedFor the Six Months Ended
June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Adjusted net income
Net income$115,766 $148,157 $188,167 $193,471 
Loss on early extinguishment of debt— — 2,362 — 
Gain on sale of business— (8,864)— (8,864)
Tax-related valuation allowances and other*— (6,209)(653)(6,095)
Adjusted net income$115,766 $133,084 $189,876 $178,512 
Adjusted earnings per share
Earnings per share$2.13 $2.71 $3.46 $3.54 
Loss on early extinguishment of debt— — 0.04 — 
Gain on sale of business— (0.16)— (0.16)
Tax-related valuation allowances and other*— (0.11)(0.01)(0.11)
Adjusted earnings per share
$2.13 $2.44 $3.49 $3.27 
* Other amounts include ($0.7) million or ($0.01) per share of tax impacts from the loss on early extinguishment of debt for the six months ended June 30, 2023.

Adjusted Free Cash Flow Reconciliation
Clean Harbors reports adjusted free cash flow, which it considers to be a measurement of liquidity that provides useful information to investors about its ability to generate cash. The Company defines adjusted free cash flow as net cash from operating activities excluding cash impacts of items derived from non-operating activities, less additions to property, plant and equipment plus proceeds from sale and disposal of fixed assets. The Company excludes cash impacts of items derived from non-operating activities. Adjusted free cash flow should not be considered an alternative to net cash from operating activities or other measurements under GAAP. Adjusted free cash flow is not calculated identically by all companies, and therefore the Company’s measurement of adjusted free cash flow may not be comparable to similarly titled measures reported by other companies.
An itemized reconciliation between net cash from operating activities and adjusted free cash flow is as follows for the three and six months ended June 30, 2023 and 2022 (in thousands):
For the Three Months EndedFor the Six Months Ended
June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Adjusted free cash flow
Net cash from operating activities$207,565 $170,599 $235,573 $131,970 
Additions to property, plant and equipment(122,612)(77,734)(204,298)(148,042)
Proceeds from sale and disposal of fixed assets1,089 1,703 2,944 3,023 
Adjusted free cash flow$86,042 $94,568 $34,219 $(13,049)
Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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Adjusted EBITDA Guidance Reconciliation
An itemized reconciliation between projected GAAP net income and projected Adjusted EBITDA is as follows (in millions):
For the Year Ending December 31, 2023
Projected GAAP net income$372to$408
Adjustments:
Accretion of environmental liabilities14to13
Stock-based compensation20to23
Depreciation and amortization360to350
Loss on early extinguishment of debt2to2
Interest expense, net115to110
Provision for income taxes137to154
Projected Adjusted EBITDA$1,020to$1,060
Adjusted Free Cash Flow Guidance Reconciliation
An itemized reconciliation between projected net cash from operating activities and projected adjusted free cash flow is as follows (in millions):
For the Year Ending December 31, 2023
Projected net cash from operating activities$705to$765
Additions to property, plant and equipment(410)to(430)
Proceeds from sale and disposal of fixed assets10to10
Projected adjusted free cash flow$305to$345
Conference Call Information
Clean Harbors will conduct a conference call for investors today at 9:00 a.m. (ET) to discuss the information contained in this press release. During the call, management will discuss Clean Harbors’ financial results, business outlook and growth strategy. Investors who wish to listen to the webcast and view the accompanying slides should visit the Investor Relations section of the Company’s website at www.cleanharbors.com. The live call also can be accessed by dialing 877.709.8155 or 201.689.8881 prior to the start time. If you are unable to listen to the live conference call, the webcast will be archived on the Company’s website.
About Clean Harbors
Clean Harbors (NYSE: CLH) is North America’s leading provider of environmental and industrial services. The Company serves a diverse customer base, including a majority of Fortune 500 companies. Its customer base spans a number of industries, including chemical, manufacturing and refining, as well as numerous government agencies. These customers rely on Clean Harbors to deliver a broad range of services such as end-to-end hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services. Through its Safety-Kleen subsidiary, Clean Harbors also is North America’s largest re-refiner and recycler of used oil and a leading provider of parts washers and environmental services to commercial,
Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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industrial and automotive customers. Founded in 1980 and based in Massachusetts, Clean Harbors operates in the United States, Canada, Mexico, Puerto Rico and India. For more information, visit www.cleanharbors.com.
Safe Harbor Statement
Any statements contained herein that are not historical facts are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements 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, and other statements that are not historical facts. Such statements are based upon the beliefs and expectations of Clean Harbors’ management as of this date only and are subject to certain risks and uncertainties that could cause actual results to differ materially, including, without limitation, those items identified as “Risk Factors” in Clean Harbors’ most recently filed Form 10-K and Form 10-Q. Forward-looking statements are neither historical facts nor assurances of future performance. Therefore, readers are cautioned not to place undue reliance on these forward-looking statements. Clean Harbors undertakes no obligation to revise or publicly release the results of any revision to these forward-looking statements other than through its filings with the Securities and Exchange Commission, which may be viewed in the “Investors” section of Clean Harbors’ website at www.cleanharbors.com.
Contacts:
Eric J. Dugas
Jim Buckley
EVP and Chief Financial Officer
SVP Investor Relations
Clean Harbors, Inc.
Clean Harbors, Inc.
781.792.5100
781.792.5100
InvestorRelations@cleanharbors.com
Buckley.James@cleanharbors.com
    
Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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CLEAN HARBORS, INC. AND SUBSIDIARIES
UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except per share amounts)

 For the Three Months EndedFor the Six Months Ended
June 30, 2023June 30, 2022June 30, 2023June 30, 2022
Revenues$1,397,900 $1,356,312 $2,705,287 $2,525,421 
Cost of revenues: (exclusive of items shown separately below)947,512 898,469 1,879,026 1,741,858 
Selling, general and administrative expenses167,382 155,608 334,135 306,781 
Accretion of environmental liabilities3,486 3,197 6,893 6,353 
Depreciation and amortization89,697 87,868 174,455 172,166 
Income from operations189,823 211,170 310,778 298,263 
Other (expense) income, net(1,283)1,265 (1,167)1,969 
Loss on early extinguishment of debt— — (2,362)— 
Gain on sale of business— 8,864 — 8,864 
Interest expense, net(30,072)(26,256)(50,704)(51,273)
Income before provision for income taxes158,468 195,043 256,545 257,823 
Provision for income taxes42,702 46,886 68,378 64,352 
Net income$115,766 $148,157 $188,167 $193,471 
Earnings per share:  
Basic$2.14 $2.73 $3.48 $3.56 
Diluted$2.13 $2.71 $3.46 $3.54 
Shares used to compute earnings per share - Basic54,09254,31854,08454,362
Shares used to compute earnings per share - Diluted54,44854,59754,42254,639


Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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CLEAN HARBORS, INC. AND SUBSIDIARIES
UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS
(in thousands)
June 30, 2023December 31, 2022
Current assets:  
Cash and cash equivalents$238,776 $492,603 
Short-term marketable securities87,346 62,033 
Accounts receivable, net981,233 964,603 
Unbilled accounts receivable122,679 107,010 
Inventories and supplies325,882 324,994 
Prepaid expenses and other current assets92,559 82,518 
Total current assets1,848,475 2,033,761 
Property, plant and equipment, net2,082,693 1,980,302 
Other assets:
Operating lease right-of-use assets181,243 166,181 
Goodwill1,288,291 1,246,878 
Permits and other intangibles, net626,320 620,782 
Other74,315 81,803 
Total other assets2,170,169 2,115,644 
Total assets$6,101,337 $6,129,707 
Current liabilities:
Current portion of long-term debt$10,000 $10,000 
Accounts payable374,438 446,629 
Deferred revenue105,327 94,094 
Accrued expenses and other current liabilities348,857 396,716 
Current portion of closure, post-closure and remedial liabilities21,802 23,123 
Current portion of operating lease liabilities53,991 49,532 
Total current liabilities914,415 1,020,094 
Other liabilities: 
Closure and post-closure liabilities, less current portion108,522 105,596 
Remedial liabilities, less current portion102,560 106,372 
Long-term debt, less current portion2,294,306 2,414,828 
Operating lease liabilities, less current portion129,058 119,259 
Deferred tax liabilities346,328 350,389 
Other long-term liabilities96,262 90,847 
Total other liabilities3,077,036 3,187,291 
       Total stockholders’ equity, net
2,109,886 1,922,322 
       Total liabilities and stockholders’ equity
$6,101,337 $6,129,707 
Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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CLEAN HARBORS, INC. AND SUBSIDIARIES
UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
For the Six Months Ended
June 30, 2023June 30, 2022
Cash flows from operating activities:
Net income$188,167 $193,471 
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization174,455 172,166 
Allowance for doubtful accounts1,209 6,927 
Amortization of deferred financing costs and debt discount2,718 3,135 
Accretion of environmental liabilities6,893 6,353 
Changes in environmental liability estimates387 1,232 
Deferred income taxes(356)2,226 
Other expense (income), net1,167 (1,969)
Stock-based compensation10,518 12,547 
Loss on early extinguishment of debt2,362 — 
Gain on sale of business— (8,864)
Environmental expenditures(16,323)(7,028)
Changes in assets and liabilities, net of acquisitions:
Accounts receivable and unbilled accounts receivable(5,659)(263,584)
Inventories and supplies(1,111)(23,888)
Other current and non-current assets(22,749)(25,504)
Accounts payable(78,139)45,748 
Other current and long-term liabilities(27,966)19,002 
Net cash from operating activities235,573 131,970 
Cash flows used in investing activities:
Additions to property, plant and equipment(204,298)(148,042)
Proceeds from sale and disposal of fixed assets2,944 3,023 
Acquisitions, net of cash acquired(120,636)(68,766)
Proceeds from sale of business, net of transaction costs— 17,486 
Additions to intangible assets including costs to obtain or renew permits(1,114)(836)
Purchases of available-for-sale securities(74,451)(23,182)
Proceeds from sale of available-for-sale securities50,290 32,835 
Net cash used in investing activities(347,265)(187,482)
Cash flows used in financing activities:
Change in uncashed checks2,392 475 
Tax payments related to withholdings on vested restricted stock(4,335)(2,571)
Repurchases of common stock(8,001)(33,694)
Deferred financing costs paid(6,346)(321)
Payments on finance leases(7,588)(6,552)
Principal payments on debt(618,975)(8,768)
Proceeds from issuance of debt500,000 — 
Borrowing from revolving credit facility114,000 — 
Payment on revolving credit facility(114,000)— 
Net cash used in financing activities(142,853)(51,431)
Effect of exchange rate change on cash718 (1,001)
Decrease in cash and cash equivalents(253,827)(107,944)
Cash and cash equivalents, beginning of period492,603 452,575 
Cash and cash equivalents, end of period$238,776 $344,631 

Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com

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Supplemental information:
Cash payments for interest and income taxes:
Interest paid$49,257 $48,104 
Income taxes paid, net of refunds92,494 29,307 
Non-cash investing activities:
Property, plant and equipment accrued26,427 21,156 
Remedial liability assumed in acquisition of property, plant and equipment— 13,073 
ROU assets obtained in exchange for operating lease liabilities38,474 20,686 
ROU assets obtained in exchange for finance lease liabilities13,992 7,646 

Supplemental Segment Data (in thousands)

For the Three Months Ended
RevenueJune 30, 2023June 30, 2022
Third-Party RevenuesIntersegment Revenues (Expenses), netDirect RevenuesThird-Party RevenuesIntersegment Revenues (Expenses), netDirect Revenues
Environmental Services$1,161,482 $10,554 $1,172,036 $1,084,506 $6,237 $1,090,743 
Safety-Kleen Sustainability Solutions236,302 (10,554)225,748 271,727 (6,237)265,490 
Corporate Items116 — 116 79 — 79 
Total$1,397,900 $— $1,397,900 $1,356,312 $— $1,356,312 

For the Six Months Ended
RevenueJune 30, 2023June 30, 2022
Third-Party RevenuesIntersegment Revenues (Expenses), netDirect RevenuesThird-Party RevenuesIntersegment Revenues (Expenses), netDirect Revenues
Environmental Services$2,222,464 $20,313 $2,242,777 $2,025,304 $12,884 $2,038,188 
Safety-Kleen Sustainability Solutions482,600 (20,313)462,287 499,966 (12,884)487,082 
Corporate Items223 — 223 151 — 151 
Total$2,705,287 $— $2,705,287 $2,525,421 $— $2,525,421 
For the Three Months EndedFor the Six Months Ended
Adjusted EBITDAJune 30, 2023June 30, 2022June 30, 2023June 30, 2022
Environmental Services$305,622 $269,341 $533,967 $452,943 
Safety-Kleen Sustainability Solutions53,415 97,010 94,878 148,887 
Corporate Items(71,531)(57,281)(126,201)(112,501)
Total$287,506 $309,070 $502,644 $489,329 

Clean Harbors • 42 Longwater Drive • PO Box 9149 • Norwell, Massachusetts 02061-9149 • 800.282.0058 • www.cleanharbors.com