CME GROUP INC. — Director's Dealing 2016

Nov 1, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CME GROUP INC. (CME)
CIK: 0001156375
Period of Report: 2016-10-31

Reporting Person: Durkin Bryan T (Sr MD Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-10-31	Common Stock Class A	M	4774.0	$54.3	Acquired	58454	Direct
2016-10-31	Common Stock Class A	S	4774.0	$99.9958	Disposed	53680	Direct
2016-10-31	Common Stock Class A	M	10226.0	$56.87	Acquired	63906	Direct
2016-10-31	Common Stock Class A	S	10226.0	$99.9958	Disposed	53680	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-10-31	Non-Qualified Stock Option (right to buy)	$54.3	M	4774.0	Disposed	2020-09-15	Common Stock Class A (4774)	Direct
2016-10-31	Non-Qualified Stock Option (right to buy)	$56.87	M	10226.0	Disposed	2019-09-15	Common Stock Class A (10226)	Direct

Footnotes

F1: This sale was completed pursuant to the terms of a pre-arranged trading plan established in accordance with Rule 10b5-1.

F2: On October 31, 2016, Mr. Durkin sold an aggregate of 15,000 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: $99.59 to $99.99 and $100.00 to $100.25. The Company maintains a record of the transactions and copies will be provided upon request.

F3: On September 15, 2014, these options vested with respect to 100% of the granted number of shares covered by the option.

F4: On September 15, 2013, these options vested with respect to 100% of the granted number of shares covered by the option.