Frequently Asked Questions

CME Group Inc. is headquartered at 20 South Wacker Drive, Chicago, IL 60606. Tel: +1 312 930 1000.

The IPO was completed on December 5, 2002. Shares began trading on the New York Stock Exchange (NYSE) on December 6, 2002. The offering was priced at $35 per share (equivalent to $7 per share as adjusted for the July 10, 2012 five-for-one stock split).

CME Group is listed on NASDAQ under the symbol CME.

A CUSIP number is a nine-digit number that uniquely identifies securities to facilitate clearing and settlement. The CUSIP number for CME Group is 12572Q105.

The CME Group fiscal year ends on December 31.

No, CME Group does not offer a direct share purchase program or dividend reinvestment at this time.

Earnings reports are typically released about three to four weeks following the close of the fiscal quarter and about four to five weeks following the close of the fiscal year. Upcoming events and earnings announcements are listed under the Events section of the Investor Relations website.

Please subscribe via the Email Alerts section of the Investor Relations website.

Please visit the All SEC Filings section of the Investor Relations website.

The company intends to pay regular quarterly dividends to shareholders. The decision to pay a dividend remains within the discretion of the board of directors and may be affected by factors including earnings, financial condition, capital requirements, and level of indebtedness.

CME Group provides a historical stock price lookup feature in the Investors section of its website.

CME Group Shareholder Relations is available to answer general questions regarding common Class A or Class B shares: • Phone: +1 312 930 3484 • Email: shareholder.relations@cmegroup.com • Mail: CME Group Shareholder Relations, 20 South Wacker Drive, Chicago, IL 60606 For stock transfer, stock purchase, dividend payment, and address changes, contact the transfer agent, Computershare Investor Services.

Computershare Investor Services, LLC • Mailing Address: CME Group Inc. c/o Computershare Trust Company, N.A., P.O. Box 43078, Providence, RI 02940 • Phone: +1 312 360 5104

A transfer agent keeps shareholder records and performs administrative and record-keeping duties for a publicly traded company.

For more information about Exchange memberships, contact the Membership Services Department at +1 312 435 3480

Please visit the "Connect to CME Globex" section of the CME Group website.