CME Group Analyst Day To Be Held On Tuesday, October 4, 2011

CME Group Inc. (NASDAQ: CME) will hold its Analyst Day in Chicago on Tuesday, October 4, 2011, from 10:00 am — 3:00 pm (Central). Presentations by executive management will cover the company's strategic growth initiatives, as well as offer customer perspectives during two panels.

Presentation slides and a link to the live video webcast will be posted and available the day of the event on the Investor Relations section of CME Group's Web site at www.cmegroup.com.