Covanta to Report Fourth Quarter Earnings on Feb. 8

Date: January 17, 2012

Source: Covanta Holding Corporation

PRESS RELEASE
January 17, 2012

Covanta Holding Corporation Fourth Quarter and Full Year Earnings Conference Call to Be Held on February 9, 2012

Covanta Holding Corporation (NYSE: CVA) ("Covanta" or the "Company") will host a conference call at 8:30 AM (Eastern) on Thursday, February 9, 2012 to discuss its fourth quarter results.

A press release reporting Covanta's fourth quarter and full year results will be issued after the market closes on Wednesday, February 8, 2012 and will also be available in both the News and the Investor Information sections of the Company's website. The Company expects its 2011 Annual Report on Form 10-K to be filed the week of February 13, 2012 and to include additional XBRL information required at this time.

The conference call will begin with prepared remarks, which will be followed by a question and answer session. To participate, please dial 877-806-3982 approximately 10 minutes prior to the scheduled start of the call. If calling from outside of the United States, please dial 702-928-7062. Please utilize conference ID number 44475437 when prompted by the conference call operator. The conference call will also be webcast live from the Investor Information section of the Company's website. A presentation will be made available during the call and will be found on the Investor Relations section of the Covanta website at www.covantaenergy.com.

A replay of the conference call will be available from 9:30 AM (Eastern) Thursday, February 9, 2012. To access the replay, please dial 855-859-2056 or 800-585-8367, or from outside of the United States 404-537-3406 and use the replay conference ID number 44475437. The webcast will also be archived on www.covantaenergy.com.

About Covanta

Covanta Energy is an internationally recognized owner and operator of large-scale Energy-from-Waste and renewable energy projects and a recipient of the Energy Innovator Award from the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy. Covanta's 46 Energy-from-Waste facilities provide communities with an environmentally sound solution to their solid waste disposal needs by using that municipal solid waste to generate clean, renewable energy. Annually, Covanta's modern Energy-from-Waste facilities safely and securely convert approximately 20 million tons of waste into 9 million megawatt hours of clean renewable electricity and create more than 9 billion pounds of steam that are sold to a variety of industries. For more information, visit www.covantaenergy.com.

Contact Information
Alan Katz
Vice President - Investor Relations
862-345-5456

James Regan
Manager - Corporate Communications & Media Relations
862-345-5216

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