Casella Waste Systems, Inc. Statement Regarding Maine Energy Recovery Company

Casella Waste Systems, Inc. (NASDAQ: CWST), a regional solid waste, recycling and resource management services company, today said that the company has been considering strategic options for its aine Energy Recovery facility including a possible sale to Mattson Development LLC, a local Maine real estate development company. No agreements have yet been reached.

As part of the March 2007 waste handling agreement with the host community of Biddeford, Maine, the company agreed to discuss mutually beneficial options for the future of the facility with the community. Casella said it was open to all potential transactions that would create value for its stakeholders.

For further information, investors should contact Ned Coletta, director of investor relations at (802) 772-2239; media should contact Joseph Fusco, vice president at (802) 772-2247; the company's website is http://www.casella.com.

Safe Harbor Statement

Certain matters discussed in this press release are "forward-looking statements" intended to qualify for the safe harbors from liability established by the Private Securities Litigation Reform Act of 1995. These forward-looking statements can generally be identified as such by the context of the statements, including words such as the company "believes," "expects," "anticipates," "plans," "may," "will," "would," "intends," "estimates" and other similar expressions, whether in the negative or affirmative. These forward-looking statements are based on current expectations, estimates, forecasts and projections about the industry and markets in which we operate and management's beliefs and assumptions. We cannot guarantee that we actually will achieve the plans, intentions or expectations disclosed in the forward-looking statements made. Such forward-looking statements, and all phases of our operations, involve a number of risks and uncertainties, any one or more of which could cause actual results to differ materially from those described in our forward-looking statements. Such risks and uncertainties include the possibility that the company will be unable to find a buyer for, or other strategic alternative for, its Maine Energy facility at a price that is beneficial to stockholders, if at all. There are a number of other important risks and uncertainties that could cause our actual results to differ materially from those indicated by such forward-looking statements. These additional risks and uncertainties include, without limitation, those detailed in Item 1A, "Risk Factors" in our Form 10-K for the year ended April 30, 2008. We do not necessarily intend to update publicly any forward-looking statements whether as a result of new information, future events or otherwise, except as required by law.