Waste Services Announces Completion of Increased Credit Facility and Results

    BURLINGTON, Ontario, April 13 /CNW/ -- Waste Services, Inc. (Nasdaq:  
WSII) today announced that it had completed the $50 million increase in the
term loans under its existing Senior Secured Credit Facility and the
acquisition of U.S.A. Recycling in Florida.
    Waste Services, Inc. also announced it will release its 2007 first
quarter results after the close of markets on Tuesday, April 24, 2007 and hold
a conference call on Wednesday, April 25, 2007 at 8:30 a.m. (ET).  A copy of
the first 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 first quarter results.
    If you wish to participate in this call, please phone 866-831-6291 (US
and Canada) or 617-213-8860 (International) and enter passcode number
20046428. To hear a web cast of the call over the Internet, access the home
page of the Waste Services website at http://www.wasteservicesinc.com.  A
post-view of the call will be available until May 2, 2007 by phoning
888-286-8010 (US and Canada) or 617-801-6888 (International) and entering
passcode number 78585762. 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 http://www.wasteservicesinc.com.  Information on the
company's web site does not form part of this press release.

For further information:

For further information: Edwin D. Johnson, Executive Vice President and 
Chief Financial Officer of Waste Services, Inc., +1-561-237-3400 Web Site:
http://www.wasteservicesinc.com/