News Release

CME Appoints Julie Holzrichter as Managing Director, Operations

Tue Jun 19 2007

CHICAGO, June 19 /PRNewswire-FirstCall/ -- CME, the world's largest and most diverse derivatives exchange, today announced that it has appointed Julie Holzrichter, an 18-year CME veteran, as Managing Director, Operations. She succeeds Maz Chadid who is retiring on July 13 following over 22 years of service to the company.

As Managing Director, Operations, Holzrichter will be responsible for managing the CME Globex® Control Center (GCC), which is the first point of contact for CME Globex customer support. She will also lead CME's trading floor operations, facilities administration, security and telecommunications functions. She will report to Phupinder S. Gill, President and Chief Operating Officer.

"Julie brings extensive technical knowledge and a deep commitment to customer service to her new role," said CME CEO Craig Donohue. "Her familiarity with all aspects of our operations and the strong relationships she has developed during her tenure will enable CME to continue providing superior trading technology and best-in-class customer service to our electronic and floor traders. Her expertise will be a great advantage to us as we work to integrate our trading operations post-merger and create a seamless transition for all of our constituents. We also would like to thank Maz for his important contributions and dedication during his tenure."

Holzrichter, 39, has been with the company for 18 years and most recently served as Managing Director, CME Globex Services & Technology Integration where she had primary oversight for the GCC, CME Globex connectivity services and certification environments and quality assurance, as well as trading floor technology.

She attended DePaul University and the University of Illinois at Chicago.

CME (http://www.cme.com/) is the world's largest and most diverse derivatives exchange. As an international marketplace, CME brings together buyers and sellers on the CME Globex® electronic trading platform and on its trading floors. CME offers futures and options on futures in these product areas: interest rates, stock indexes, foreign exchange, agricultural commodities, energy, and alternative investment products such as weather, real estate and economic derivatives. CME is a wholly-owned subsidiary of Chicago Mercantile Exchange Holdings Inc. (NYSE: CME)(NASDAQ: CME), which is part of the Russell 1000® Index and the S&P 500® Index.

Chicago Mercantile Exchange, CME, the globe logo, CME Globex and E-mini are trademarks of Chicago Mercantile Exchange Inc. CLEARING 21 is a registered trademark of CME and New York Mercantile Exchange, Inc. S&P, S&P 500, NASDAQ-100, Nikkei 225, Russell 1000, Russell 2000,

TRAKRS, Total Return Asset Contracts and other trade names, service marks, trademarks and registered trademarks that are not proprietary to Chicago Mercantile Exchange Inc. are the property of their respective owners, and are used herein under license. Further information about CME and its products is available on the CME Web site at http://www.cme.com/.

CME-G

SOURCE: Chicago Mercantile Exchange

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