0001193125-11-169252 Sample Contracts

DISCOVERY COMMUNICATIONS, LLC, Issuer DISCOVERY COMMUNICATIONS, INC., Guarantor and Trustee THIRD SUPPLEMENTAL INDENTURE DATED AS OF JUNE 20, 2011 TO INDENTURE DATED AS OF AUGUST 19, 2009 Relating To $650,000,000 4.375% Senior Notes due 2021

Supplemental Indenture • June 21st, 2011 • Discovery Communications, Inc. • Cable & other pay television services • New York

• Contract Type
  Supplemental Indenture
• Filed
  June 21st, 2011
• Company
  Discovery Communications, Inc.
• Industry
  Cable & other pay television services
• Jurisdiction
  New York

THIRD SUPPLEMENTAL INDENTURE, dated as of June 20, 2011 (the “Supplemental Indenture”), to the Base Indenture (defined below) among Discovery Communications, LLC, a Delaware limited liability company (the “Company”), Discovery Communications, Inc., a Delaware corporation (the “Guarantor”), and U.S. Bank National Association, as Trustee (the “Trustee”).