CME Group Inc. Declares Quarterly Dividend

CME Group, the world's largest and most diverse derivatives exchange, today declared a
second-quarter dividend of $1.15 per share, payable June 25, 2009, to shareholders of record June 10, 2009.

CME Group (http://www.cmegroup.com) is the world's largest and most diverse
derivatives exchange. Building on the heritage of CME, CBOT and NYMEX, CME
Group serves the risk management needs of customers around the globe. As an
international marketplace, CME Group brings buyers and sellers together on
the CME Globex electronic trading platform and on trading floors in Chicago
and New York.

By acting as the buyer to every seller and the seller to
every buyer, CME Clearing virtually eliminates counterparty credit risk.
CME Clearing also offers financial safeguards to help mitigate systemic
risk, providing the security and confidence market participants need to
operate, invest and grow.

CME Group offers the widest range of benchmarkproducts available across all major asset classes, including futures and options based on interest rates, equity indexes, foreign exchange, energy, agricultural commodities, metals, and alternative investment products such as weather and real estate.

CME Group is listed on NASDAQ under the symbol "CME."

Disclosure : None