CME GROUP INC. — Director's Dealing 2016

Aug 3, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CME GROUP INC. (CME)
CIK: 0001156375
Period of Report: 2016-08-02

Reporting Person: Sammann Derek (Sr MD Gl Hd Comm &Options Prod)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-08-02	Common Stock Class A	M	3550.0	$90.75	Acquired	30896	Direct
2016-08-02	Common Stock Class A	S	3550.0	$103.2009	Disposed	27346	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-08-02	Non-Qualified Stock Option (right to buy)	$90.75	M	3550.0	Disposed	2016-09-15	Common Stock Class A (3550)	Direct

Footnotes

F1: On August 2, 2016, Mr. Sammann sold an aggregate of 3,550 shares of CME Group Class A common stock. For reporting purposes, the sales prices within a $1 range have been aggregated and the weighted average sales price has been reported. The price ranges were: $103.20 to $103.22. The Company maintains a record of the transactions and copies will be provided upon request.

F2: On September 15, 2011, these options vested with respect to 100% of the granted number of shares covered by the option.