Waste Industries USA to Announce Fourth Quarter Results on Mar. 4

Date: February 21, 2008

Source: Waste Industries USA, Inc.

Waste Industries USA, Inc. Announces Reporting Date for Fourth Quarter and Full Year 2007 Earnings Release and Conference Call

Waste Industries USA, Inc. (WWIN) announced that it will report its fourth quarter and full year 2007 financial results after the close of the stock market on Tuesday, March 4, 2008. The Company will host an analyst conference call to discuss the results on Wednesday, March 5, 2008 at 2:00 p.m. Eastern time.

Waste Industries invites you to listen to the analyst conference call by dialing (877) 723-9519 and ask for the "Waste Industries Conference Call" with a Call ID of 9954580. Please call approximately 5 - 10 minutes prior to the scheduled time. The call will also be broadcast live over the Internet at www.wasteindustries.com under Investor Relations. A replay of the call will be available through March 19, 2008, and may be accessed by calling (888) 203-1112 and using Call ID 9954580.

Waste Industries USA, Inc. is a vertically integrated regional solid waste services company that provides collection, transfer, disposal and recycling services to commercial, industrial and residential customer locations in the states of North Carolina, South Carolina, Virginia, Tennessee, Mississippi, and Georgia.

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