Clean Harbors, Inc. (“Clean Harbors”) (NYSE: CLH), the leading provider of environmental and industrial services throughout North America, today announced that senior management will present at the following investor conferences:

28th Annual Needham Growth Conference

Date: January 13, 2026

Time: 10:15 a.m. ET

CJS Securities 26th Annual New Ideas for the New Year

Date: January 14, 2026

Time: 8:45 a.m. ET

Clean Harbors will webcast the live events; to access the live or archived webcast, visit the “Investor Relations” portion of Clean Harbors’ website at www.cleanharbors.com.

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.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260106195817/en/