Clean Harbors announces Eric Gerstenberg and Mike Battles to become co-CEOs alongside Alan McKim as Executive Chairman

– USA, MA –  Clean Harbors, Inc. (NYSE: CLH), the leading provider of environmental and industrial services throughout North America, today announced the appointment of COO Eric Gerstenberg and CFO Mike Battles as co-CEOs effective March 31, 2023, succeeding founder Alan McKim who will become Executive Chairman of the Board of Directors and CTO.

“Eric and Mike are proven leaders here at Clean Harbors and each brings a unique set of talents to their new role as co-CEOs,” said Alan McKim. “Both have made valuable contributions to the Company and keeping this management team in place has been a top priority of mine. Our shareholders and more than 20,000 employees will benefit from their outstanding leadership. I have the utmost confidence in handing over the reins to Mike and Eric, and in their ability to succeed at the top level of the organization. In addition, while stepping away from the day-to-day management duties, I will remain actively involved in the Company’s strategic direction as executive chairman and CTO. I look forward to continuing to work with both Eric and Mike to advance Clean Harbors’ mission of creating a safer, cleaner environment through the treatment, recycling,g and disposal of hazardous materials.”

About Eric W. Gerstenberg

Eric Gerstenberg joined Clean Harbors in 1989 and during the past thirty years he has held a variety of positions of increasing responsibility throughout the organization. He was most recently Chief Operating Officer – a position he has held since 2015 – where he had responsibility for the Company’s environmental sales & service organization, all of its facilities including incinerators and re-refineries, and oversaw the majority of its workforce.

About Michael L. Battles

After a long career in public accounting at Deloitte & Touche and as a finance leader at PerkinElmer, Inc. Mike Battles joined Clean Harbors in 2013 as Chief Accounting Officer before being elevated to Chief Financial Officer in 2016. Since then, he has overseen the Company’s entire finance organization, including multiple debt raises and refinancings, as well as taking on some strategic and operational oversight. He is also a member of the Board of Directors of Casella Waste Systems Inc. (Nasdaq: CWST).

About Clean Harbors

Clean Harbors 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 several industries, including chemical, energy, and manufacturing, 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 is North America’s largest re-refiner and recycler of used oil and a leading provider of parts washers and environmental services to commercial, industrial and automotive customers. Founded in 1980 and based in Massachusetts, Clean Harbors operates in the United States, Canada, Mexico, Puerto Ric,o and India.

For more information: https://www.cleanharbors.com/

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