Covanta Will Host Conference Call to Discuss Third Quarter Results

Date: October 23, 2006

Source: Covanta Holding Corp.

Covanta Holding Corporation to Host Conference Call on October 31, 2006
Monday October 23, 4:10 pm ET

Covanta Holding Corporation (NYSE: CVA) will host a conference call at 8:30 AM (Eastern) on Tuesday, October 31, 2006 to discuss its third quarter results. The Company will release its financial results for the third quarter after the market close on October 30, 2006. In addition, Covanta will make supplemental information available on October 31, 2006 prior to the call. The documents will be available in the Investor Relations section of the company's website at www.covantaholding.com.

Prepared remarks discussing the results and the supplemental information will be followed by a question-and-answer session. To participate, please dial 800-946-0783 approximately 10 minutes prior to the scheduled start of the call. If you are calling from outside of the United States, please dial 719-457-2658. The conference call will also be webcast live on the Investor Relations section of the Covanta website.

A replay of the conference call will be available from 11:30 AM (Eastern) through midnight Tuesday, November 7, 2006. To access the replay, please dial 888-203-1112 or 719-457-0820 and use the replay passcode: 3089448.

The webcast will also be archived on www.covantaholding.com.

About Covanta Holding

Covanta Holding Corporation is a New York Stock Exchange listed company engaging in waste disposal, energy services and specialty insurance through its subsidiaries. Covanta's subsidiary, Covanta Energy Corporation, is an internationally recognized owner and operator of waste-to-energy and power generation projects. Covanta Energy's waste-to-energy facilities convert municipal solid waste into renewable energy for numerous communities, predominantly in the United States.

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