CME GROUP INC. — Director's Dealing 2013

May 7, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CME GROUP INC. (CME)
CIK: 0001156375
Period of Report: 2013-05-03

Reporting Person: GILL PHUPINDER (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-03	Common Stock Class A	M	24500.0	$12.6	Acquired	132773	Direct
2013-05-03	Common Stock Class A	S	24500.0	$60.89	Disposed	108273	Direct
2013-05-03	Common Stock Class A	M	19000.0	$14.47	Acquired	127273	Direct
2013-05-03	Common Stock Class A	S	19000.0	$60.89	Disposed	108273	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-03	Non-Qualified Stock Option (right to buy)	$12.6	M	24500.0	Disposed	2013-06-06	Common Stock Class A (24500)	Direct
2013-05-03	Non-Qualified Stock Option (right to buy)	$14.47	M	19000.0	Disposed	2014-01-01	Common Stock Class A (19000)	Direct

Footnotes

F1: On May 3, 2013, Mr. Gill sold a total of 43,500 shares of CME Group Class A common stock at an average price of $60.89 per share, including the exercise of options. The price ranges were $60.60 through $61.14. The Company maintains a record of the transactions and copies will be provided upon request.

F2: On June 6, 2008, this option vested with respect to 100% of the granted number of shares covered by the option.

F3: On January 1, 2009, this option vested with respect to 100% of the granted number of shares covered by the option.