News Release

CME to List Dry Whey Futures

Thu Feb 22 2007

CHICAGO, Feb. 22 /PRNewswire-FirstCall/ -- CME, the world's largest and most diverse financial exchange, announced today that Dry Whey futures will be listed exclusively on CME Globex® scheduled to begin trading March 19.

Whey is the liquid remaining after milk has been curdled and strained and is a by-product of the manufacturing of cheese. Whey that is dried has traditionally been used in a variety of foods such as crackers, breads, cereal, commercial pastries and animal feed. In recent years, dry whey, which is high in protein and low in fat, has been used in the increasingly popular energy and power bars as well as protein drinks and powders.

"With the growing consumption of energy drinks and power bars, dry whey is increasingly in demand thereby creating more frequent imbalances between supply and demand," said John Harangody, Director of CME Commodity Products. "As a result, dry whey has become a volatile commodity. CME can provide buyers and sellers of dry whey future price protection, hedging opportunities as well as a mechanism for price discovery."

The CME Dry Whey contract size is 44,000 pounds with a tick value of $11. The cash-settled contract is pegged to the USDA monthly weighted average price in the U.S. for dry whey as first released. Trading hours are from 9:40 a.m. to 1:10 p.m. daily on CME Globex. For more information on the CME Dry Whey contract, please go to http://www.cme.com/whey .

CME ( http://www.cme.com/ ) is the world's largest and most diverse financial 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.

Statements in this news release that are not historical facts are forward- looking statements. These statements are not guarantees of future performance and involve risks, uncertainties and assumptions that are difficult to predict. Therefore, actual outcomes and results may differ materially from what is expressed or implied in any forward-looking statements. More detailed information about factors that may affect our performance may be found in our filings with the Securities and Exchange Commission, including our most recent Quarterly Report on Form 10-Q, which can be obtained at its Web site at http://www.sec.gov/ . We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

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CME-G

SOURCE: CME

CONTACT: Media Contacts, Allan Schoenberg, +1-312-930-8189, or
Mary Haffenberg, +1-312-930-3435, news@cme.com , or Investor Contact,
John Peschier, +1-312-930-8491, all of CME

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http://www.cme.com/whey

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