Waste Services Will Announce Third Quarter Results on October 24

Date: October 3, 2006

Source: Waste Services, Inc.

Waste Services, Inc. Date for Third Quarter Conference Call

Waste Services, Inc. (Nasdaq: WSII) today announced that it will release its 2006 third quarter results after the close of markets on Tuesday, October 24, 2006 and hold a conference call on Wednesday, October 25, 2006 at 8:30 a.m. (EDT). A copy of the third quarter press release will be available on our website after its release. Our Chief Executive Officer, David Sutherland-Yoest, accompanied by other senior management, will discuss the company's third quarter results.

If you wish to participate in this call, please phone 866-314-5232 (US and Canada) or 617-213-8052 (International) and enter passcode number 97455344. To hear a web cast of the call over the Internet, access the Home page of the Waste Services website at www.wasteservicesinc.com. A post-view of the call will be available until November 8, 2006 by phoning 888-286-8010 (US and Canada) or 617-801-6888 (International) and entering passcode number 78340846. The web cast will also be available on the company's website.

Waste Services, Inc., a Delaware corporation, is a multi-regional integrated solid waste services company that provides collection, transfer, disposal and recycling services in the United States and Canada. The company's web site is www.wasteservicesinc.com. Information on the company's web site does not form part of this press release.

Ivan R. Cairns, Executive Vice-President and General Counsel of Waste Services, Inc., 905-319-1237 Web Site: www.wasteservicesinc.com.

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