2012.12.31 IRAN Disclosure





February 28, 2013
 
 
VIA EDGAR TRANSMISSION
 
U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549


Re:
Notice of Disclosure Filed in Annual Report on Form 10-K Under Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Exchange Act

Ladies and Gentlemen:

Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities and Exchange Act of 1934, as amended, notice is hereby provided that CME Group Inc. has made disclosure pursuant to such provisions in its Annual Report on Form 10-K for the fiscal year ended December 31, 2012, which was filed with the U.S. Securities and Exchange Commission on February 28, 2013.

Respectfully submitted,
  
CME GROUP INC.
  
By:

Kathleen M. Cronin
Senior Managing Director, General Counsel & Corporate Secretary