Clean Harbors Announces Used Oil Collection Price Increases in Its Safety-Kleen Sustainability Solutions Business

By: Clean Harbors, Inc. via Business Wire

September 24, 2025 at 08:30 AM EDT

Company Adjusting Rates and Service Stop Fees within SKSS in Response to Market Dynamics

Clean Harbors, Inc. (“Clean Harbors” or the “Company”) (NYSE: CLH), the leading provider of environmental and industrial services throughout North America, today announced that its Safety-Kleen subsidiary is updating pricing and rates for the collection and management of used engine and industrial oils. These changes, which will be effective October 1, reflect the Company’s continued commitment to maintaining the service quality of its re-refinery business.

“Our re-refined products play a critical role in reducing environmental impact by transforming waste oils into valuable resources and sustainable products,” said Brian Weber, President of Safety-Kleen Sustainability Solutions (SKSS). “However, ongoing declines in market prices for base oil, vacuum gas oil (VGO), and recycled fuel oil (RFO) continue to reduce the current value of these recovered materials. At the same time, we are still experiencing rising costs associated with maintenance of our fleet and facilities, our skilled labor force and the impact of tariffs on the supply chain. Given these market conditions, we are required to further adjust our rates as we approach the seasonally weaker winter period to preserve the financial performance and service quality of our sustainability-driven operations within our SKSS segment.

“These adjustments, which will apply to all customers in both the U.S. and Canada, are necessary to ensure Safety-Kleen can continue delivering reliable, environmentally responsible waste oil collection to more than 100,000 customers annually,” Weber added. “Waste oil collection customers can qualify for our preferred rate schedule if they are or become purchasers of our Performance Plus finished lubricants as part of our OilPlus™ program.

“We gather approximately one out of every five gallons of waste oil in North America. Our waste oil collection services are a cornerstone of the circular economy, and these changes will help us sustain that mission while adapting to evolving market conditions,” Weber concluded.

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 a leading provider of parts washers and environmental services to commercial, industrial and automotive customers, as well as North America’s largest re-refiner and recycler of used oil. 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,” “will,” “should,” “estimates,” “projects,” “may,” “likely,” “potential,” “outlook” or similar expressions. Such statements may include, but are not limited to, statements about the Company’s future financial and operating results, plans, strategy, objectives and goals, cost management initiatives, pricing and productivity initiatives, contingent liabilities, liquidity, business, economic and market conditions, trends, customer demand, impacts of tariffs and new legislation, acquisitions, growth opportunities, expectations, challenges and other statements that are not historical facts. Such statements are based upon the beliefs and expectations of Clean Harbors’ management as of the date of this press release only and are subject to certain risks and uncertainties that could cause actual results to differ materially, including, without limitation: operational and safety risks; risks relating to the failure of new or existing technologies; cybersecurity risks; the occurrence of natural disasters or other catastrophic events, as well as their residual macroeconomic effects; risks associated with retaining and hiring key personnel; environmental liability and product liability risks relating to hazardous waste management and other components of the Company’s business; negative economic, industry or other developments, including market volatility or economic downturns; risks associated with management’s assumptions relating to expansion of the Company’s landfills; reductions in the demand for emergency response services at industrial facilities or on roadways, railways or waterways, and other remedial projects and regulatory developments; reductions in the demand for oil products and automotive services and volatility in oil prices in the markets the Company serves; changes in statutory and regulatory requirements and risks relating to extensive environmental laws and regulations; risks associated with existing and potential litigation; risks associated with the Company's identification and execution of strategic acquisitions and divestitures and their related liabilities; risks relating to the availability and sufficiency of the Company’s insurance coverage, self-insurance, surety bonds, letters of credit and other forms of financial assurance; the impact of new tax legislation or changes in tax regulations and interpretations; the imposition of trade sanctions or tariffs; fluctuations in interest rates and foreign currency exchange rates; risks relating to the Company’s indebtedness and covenants in its debt agreements; risks associated with certain anti-takeover provisions under the Massachusetts Business Corporation Act and the Company’s By-Laws, and those items identified as “Risk Factors” in Clean Harbors’ most recently filed reports on 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.

View source version on businesswire.com: https://www.businesswire.com/news/home/20250924538896/en/

Contacts

Eric J. Dugas

EVP and Chief Financial Officer

Clean Harbors, Inc.

781.792.5100

InvestorRelations@cleanharbors.com

Jim Buckley

SVP Investor Relations

Clean Harbors, Inc.

781.792.5100

Buckley.James@cleanharbors.com

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Clean Harbors Announces Used Oil Collection Price Increases in Its Safety-Kleen Sustainability Solutions Business

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