0000950137-07-001539 Sample Contracts

COVANTA HOLDING CORPORATION and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee FIRST SUPPLEMENTAL INDENTURE Dated as of January 31, 2007 $373,750,000 Aggregate Principal Amount of 1.00% Senior Convertible Debentures due 2027

First Supplemental Indenture • February 6th, 2007 • Covanta Holding Corp • Cogeneration services & small power producers • New York

• Contract Type
  First Supplemental Indenture
• Filed
  February 6th, 2007
• Company
  Covanta Holding Corp
• Industry
  Cogeneration services & small power producers
• Jurisdiction
  New York

THIS FIRST SUPPLEMENTAL INDENTURE dated as of January 31, 2007 between Covanta Holding Corporation, a Delaware corporation, as issuer (hereinafter sometimes called the “Company”), and Wells Fargo Bank, National Association, a national banking association, as trustee (hereinafter sometimes called the “Trustee”).