0001193125-08-176550 Sample Contracts

CME GROUP INC. and as Trustee Second Supplemental Indenture Dated as of August 12, 2008 to Senior Debt Indenture Dated as of August 12, 2008 Establishing a series of Securities designated Floating Rate Notes due 2010

Second Supplemental Indenture • August 13th, 2008 • Cme Group Inc. • Security & commodity brokers, dealers, exchanges & services • New York

• Contract Type
  Second Supplemental Indenture
• Filed
  August 13th, 2008
• Company
  Cme Group Inc.
• Industry
  Security & commodity brokers, dealers, exchanges & services
• Jurisdiction
  New York

SECOND SUPPLEMENTAL INDENTURE, dated as of August 12, 2008 (herein called the “Second Supplemental Indenture”), between CME Group Inc., a corporation duly organized and existing under the laws of the State of Delaware (herein called the “Company”), and U.S. Bank National Association, a nationally chartered banking association, as Trustee under the Base Indenture referred to below (herein called the “Trustee”).

CME GROUP INC. and as Trustee First Supplemental Indenture Dated as of August 12, 2008 to Senior Debt Indenture Dated as of August 12, 2008 Establishing a series of Securities designated Floating Rate Notes due 2009

First Supplemental Indenture • August 13th, 2008 • Cme Group Inc. • Security & commodity brokers, dealers, exchanges & services • New York

• Contract Type
  First Supplemental Indenture
• Filed
  August 13th, 2008
• Company
  Cme Group Inc.
• Industry
  Security & commodity brokers, dealers, exchanges & services
• Jurisdiction
  New York

FIRST SUPPLEMENTAL INDENTURE, dated as of August 12, 2008 (herein called the “First Supplemental Indenture”), between CME Group Inc., a corporation duly organized and existing under the laws of the State of Delaware (herein called the “Company”), and U.S. Bank National Association, a nationally chartered banking association, as Trustee under the Base Indenture referred to below (herein called the “Trustee”).

CME GROUP INC. and as Trustee Third Supplemental Indenture Dated as of August 12, 2008 to Senior Debt Indenture Dated as of August 12, 2008 Establishing a series of Securities designated

Third Supplemental Indenture • August 13th, 2008 • Cme Group Inc. • Security & commodity brokers, dealers, exchanges & services • New York

• Contract Type
  Third Supplemental Indenture
• Filed
  August 13th, 2008
• Company
  Cme Group Inc.
• Industry
  Security & commodity brokers, dealers, exchanges & services
• Jurisdiction
  New York

THIRD SUPPLEMENTAL INDENTURE, dated as of August 12, 2008 (herein called the “Third Supplemental Indenture”), between CME Group Inc., a corporation duly organized and existing under the laws of the State of Delaware (herein called the “Company”), and U.S. Bank National Association, a nationally chartered banking association, as Trustee under the Base Indenture referred to below (herein called the “Trustee”).