Waste Industries to Report Third Quarter on October 31

Date: October 24, 2006

Source: Waste Industries USA, Inc.

Waste Industries USA, Inc. Schedules Third Quarter 2006 Financial Results Conference Call and Webcast on November 1, 2006

Waste Industries USA, Inc. (Nasdaq: WWIN) has scheduled its third quarter 2006 analyst conference call and webcast on Wednesday, November 1, 2006 at 2:00 p.m. Eastern time to discuss its third quarter financial results. These results are expected to be released after the close of the stock market on October 31, 2006.

You may access the conference call by dialing (800) 946-0715 and ask for the "Waste Industries Conference Call" with a confirmation number of 4598428. Please call approximately 5-10 minutes prior to the scheduled time. The call will also be broadcast live over the Internet at www.waste-ind.com under Investor Relations. A replay of the call will be available through November 8, 2006, and may be accessed by calling (888) 203-1112 and using confirmation number 4598428.

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.

For more information, visit: www.waste-ind.com.

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