Waste Industries USA, Inc. Declares Quarterly Cash Dividend

Date: August 10, 2006

Source: Waste Industries USA, Inc.

Waste Industries USA, Inc. (Nasdaq: WWIN), a regional, non-hazardous solid waste services company, today announced that its Board of Directors declared a quarterly dividend based on the Company's second quarter performance. The dividend of $0.10 per share is payable September 1, 2006 to shareholders of record at the close of business on August 25, 2006.

This dividend was declared in keeping with the Company's previously announced annual dividend policy to consider paying cash dividends on a quarterly basis and is an increase over the prior quarter's dividend rate. The payment of future cash dividends under the Company's policy is subject to the continuing determination by the Board of Directors that the policy remains in the best interests of Waste Industries' shareholders and in compliance with laws applicable to the declaration and payment of cash dividends.

Jim W. Perry, President and Chief Executive Officer, stated, "We are pleased to reward our shareholders with an 11% increase in the quarterly dividend to $0.10 per share based on our strong performance in the second quarter. Our Board of Directors believes the result of many of our strategic initiatives has been a positive impact on our performance as reflected in our recently announced second quarter earnings."

Waste Industries USA, Inc. is a vertically integrated 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, Georgia and Mississippi.

More information: www.waste-ind.com.

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