Covanta Holding to Release Second Quarter on July 29

Date: July 1, 2008

Source: Covanta Holding Corporation

Covanta Holding Corporation to Host Second Quarter Earnings Conference Call On July 30, 2008

Covanta Holding Corporation (NYSE:CVA) will host a conference call at 8:30 AM (Eastern) on Wednesday, July 30, 2008 to discuss its second quarter results. The Company will release its financial results for the second quarter after the market close on Tuesday, July 29, 2008. In addition, Covanta will make supplemental information available on July 29, 2008 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 will be followed by a question-and-answer session. To participate, please dial 877-604-9675 approximately 10 minutes prior to the scheduled start of the call. If you are calling from outside of the United States, please dial 719-325-4873. 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) Wednesday, July 30, 2008 through midnight (Eastern) Thursday, August 7, 2008. To access the replay, please dial 888-203-1112 or, from outside of the United States 719-457-0820, and use the replay pass code: 9091411. The web cast will also be archived on www.covantaholding.com.

About Covanta Holding

Covanta Holding Corporation, a New York Stock Exchange listed company, is an internationally recognized owner and operator of energy-from-waste and renewable energy projects. Covanta's energy-from-waste facilities convert municipal solid waste into renewable energy for numerous communities, predominantly in the United States. As a world premier operator of large-scale energy-from-waste facilities, Covanta is proud to offer an environmentally sound solution to communities' solid waste disposal needs. With 37 energy-from-waste facilities worldwide, Covanta uses municipal solid waste as a fuel to generate clean, renewable energy. Covanta's modern energy-from-waste facilities safely and securely convert 15 million tons of waste into more than 8 million megawatt hours of clean renewable electricity each year and create 10 billion pounds of steam that are sold to a variety of industries. For more information, visit www.covantaholding.com.

For more information, contact:
Marisa Jacobs, Esq.
Vice President Investor Relations & Corporate Communications
973-882-4196

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