CME GROUP INC. — Director's Dealing 2015

Feb 27, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CME GROUP INC. (CME)
CIK: 0001156375
Period of Report: 2015-02-25

Reporting Person: Sammann Derek (Sr MD Commodity & Options Prod)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-02-25	Common Stock Class A	M	2770.0	$66.25	Acquired	25813	Direct
2015-02-25	Common Stock Class A	S	2770.0	$96.5501	Disposed	23043	Direct
2015-02-25	Common Stock Class A	S	1619.0	$96.51	Disposed	21424	Direct
2015-02-25	Common Stock Class A	S	381.0	$96.56	Disposed	21043	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-02-25	Non-Qualified Stock Option (right to buy)	$66.25	M	2770.0	Disposed	2019-12-15	Common Stock Class A (2770)	Direct

Footnotes

F1: On February 25, 2015, Mr. Sammann sold a total of 1,619 shares of CME Group Class A common stock at an average price of $96.51 per share. The price ranges were $96.49 through $96.53. The Company maintains a record of the transactions and copies will be provided upon request.

F2: As of December 15, 2013, this option vested with respect to 100% of the option.