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Clean Harbors Names Greg Malerbi Senior Vice President and Treasurer

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NORWELL, Mass.--(BUSINESS WIRE)--Apr. 9, 2013-- Clean Harbors, Inc. (“Clean Harbors”) (NYSE: CLH), the leading provider of environmental, energy and industrial services throughout North America, today announced that Greg Malerbi has been named Senior Vice President and Treasurer.

Malerbi joined Clean Harbors in 2008 and most recently served as Vice President of Taxation. In his new role, he will continue to oversee the tax department and will also be responsible for cash management, investments, banking relationships, commodity hedging and other treasury management activities.

“Greg is a talented finance executive who has been a strong contributor and an integral part of our team since his arrival,” said James M. Rutledge, Vice Chairman, President and Chief Financial Officer of Clean Harbors. “His promotion to treasurer is a natural progression of his knowledge of Clean Harbors and his role within the finance organization. We are confident he is an excellent choice to be our next treasurer based on his broad financial expertise and deep taxation background.”

Prior to joining Clean Harbors, Malerbi was Director of Tax for Sun Life Financial for eight years. In that role, he was responsible for overseeing federal and state tax compliance and reporting for a large multinational financial services firm. Prior to Sun Life Financial, he held tax management positions at several companies, including XTRA Corporation, J. Baker and Marshalls. He began his career as a senior auditor at The Boston Company. He earned a Bachelor of Science degree in mathematics from the University of Massachusetts, an M.B.A. from Bentley College and a Master of Science degree in taxation from Suffolk University.

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 washers 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

Source: Clean Harbors, Inc.

Clean Harbors, Inc.
James M. Rutledge, 781-792-5100
Vice Chairman, President and CFO
Jim Buckley, 781-792-5100
SVP Investor Relations and Corporate Communications

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