Clean Harbors Joins Forces with Massachusetts Small Business Development Center Network to Support Small Businesses in the Bay State.

Business Editors

BRAINTREE, Mass. & AMHERST, Mass.--(BUSINESS WIRE)--Jan. 22, 2004

Clean Harbors, Inc. ("Clean Harbors"), the leading provider of environmental and hazardous waste management services throughout North America, today announced it has entered into an agreement with the Massachusetts Small Business Development Center Network (MSBDCN) demonstrating the Company's continuing commitment to small businesses in the Commonwealth of Massachusetts. Through the agreement, Clean Harbors and MSBDCN will collaborate to identify small businesses with an ability to perform subcontract work for Clean Harbors.

"Clean Harbors has a long-standing commitment to small businesses in Massachusetts," said George L. Curtis, Clean Harbors' Vice President, Transportation and Disposal. "We were founded here in 1980 as a small company with four employees. While we have since expanded to more than 3,000 employees, we fully understand the challenges that face small companies as they attempt to grow their businesses. We are excited to join forces with the MSBDCN and support its mission to develop a more fertile environment for small businesses in Massachusetts."

"Clean Harbors has a small business heritage and has experienced first-hand the invaluable benefits that come from creating a working relationship with a larger, more established company," said Georgianna Parkin, director of the Massachusetts Small Business Development Center Network. "We welcome this partnership with Clean Harbors. Partnerships such as this have helped to streamline the business development process for small businesses throughout the Commonwealth."

About The Massachusetts Small Business Development Center Network

The Massachusetts Small Business Development Center was created in 1980 by United States Public Law 96-302 as amended by PL 98-395 and PL 101-909 to pool the resources of federal, state and local government; academic institutions; and the private sector to provide small businesses with high quality technical assistance and educational programs. The MSBDC is a partnership of the U.S. Small Business Administration and the Massachusetts Department of Business and Technology and a consortium of higher educational institutions led by the Isenberg School of Management at the University of Massachusetts Amherst and including Boston College, Clark University, Salem State College, the University of Massachusetts Boston and the University of Massachusetts Dartmouth. For more information, visit http://msbdc.som.umass.edu/.

About Clean Harbors, Inc.

Clean Harbors, Inc. is North America's leading provider of environmental and hazardous waste management services. With an unmatched infrastructure of 47 waste management facilities, including eight landfills, seven incinerators and seven wastewater treatment centers, the Company provides essential services to more than 30,000 customers, comprising a majority of the Fortune 500, thousands of smaller private entities and numerous governmental agencies. Headquartered in Braintree, Massachusetts, Clean Harbors has over 100 locations strategically positioned throughout North America in 36 U.S. states, six Canadian provinces, Mexico and Puerto Rico. For more information, visit www.cleanharbors.com.