Clean Harbors to Present at the 15th Annual Needham Growth Conference08:30 EST Thursday, January 03, 2013 NORWELL, Mass. (Business Wire) -- Clean Harbors, Inc. (“Clean Harbors”) (NYSE: CLH), the leading provider of environmental, energy and industrial services throughout North America,today announced that Vice Chairman, President and Chief Operating Officer James M. Rutledge and Executive Vice President and Chief Financial Officer Robert E. Gagnon, will be presenting at the 15th Annual Needham Growth Conference in New York City. Clean Harbors' presentation will take place at 8:00 a.m. (ET) on Tuesday, January 15, and will be webcast live. 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 the leading provider of environmental, energy and industrial services throughout North America. The Company serves a diverse customer base, including a majority of the Fortune 500 companies, thousands of smaller private entities and numerous federal, state, provincial and local governmental agencies. Through its Safety-Kleen subsidiary, Clean Harbors also is a premier provider of used oil recycling and re-refining, parts cleaning and environmental services for the small quantity generator market. Headquartered in Massachusetts, Clean Harbors has waste disposal facilities and service locations throughout the United States and Canada, as well as Mexico and Puerto Rico. For more information, visit www.cleanharbors.com. Clean Harbors, Inc.James M. Rutledge, 781-792-5100Vice Chairman, President and Chief Operating OfficerInvestorRelations@cleanharbors.comorSharon Merrill AssociatesJim Buckley, 617-542-5300Executive Vice Presidentclh@investorrelations.com