Chicago Mercantile Exchange Holdings Inc. (NYSE, NASDAQ: CME) today announced that the U.S. Securities and Exchange Commission has declared effective its Registration Statement on Form S-4 relating to the proposed merger of Chicago Mercantile Exchange Holdings Inc. (CME) and CBOT Holdings, Inc.Accordingly, Chicago Mercantile Exchange Holdings will begin mailing a definitive joint proxy statement to shareholders of record as of the close of business on February 9, 2007.

The Chicago Board of Trade (CBOT®) today successfully launched its new futures contract based on the Dow Jones U.S. Real Estate IndexSM (DJUSRE). DJUSRE Index futures contracts are designed to help market participants capitalize on changes in the real estate sector of the stock market and better manage commercial real estate exposure.

The Chicago Board of Trade (CBOT) today announced that total exchange open interest reached a new daily record yesterday. Total exchange open interest hit 17,413,021 contracts, surpassing the previous record, 17,403,089 contracts, set on November 20, 2006.

The Chicago Board of Trade (CBOT®) today announced plans to launch a new 30-year Interest Rate Swap futures contract on March 19, 2007. CBOT 30-year Swap futures contracts are designed to provide market participants with a standardized approach to gaining swap rate exposure in a centralized marketplace. The new futures contracts will offer comparable price/yield characteristics to "plain-vanilla" swaps, with the added benefits of an exchange-traded product.

The Chicago Board of Trade (CBOT®) today announced that open interest in its Binary options on the Target Federal Funds Rate contract exceeded 20,000 contracts on Wednesday, February 7. The new open interest record, 20,798 contracts, tops the previous record of 19,357 contracts set on September 19, 2006.

The Chicago Board of Trade (CBOTâ) has established the following trading schedule in connection with the Presidents' Day holiday:

The Chicago Board of Trade (CBOT®) today announced that its new futures contract based on the Dow JonesSM U.S. Real Estate IndexSM (DJUSRE) will launch on February 21, 2007. The electronically-traded DJUSRE Index futures contract is designed to allow market participants to capitalize on changes in the real estate sector of the stock market, and better manage commercial real estate exposure.

The Chicago Board of Trade (CBOT) announced today the unveiling of its new first floor Visitor Center (Center), located in the lobby of the Exchange's landmark building at Jackson and LaSalle Streets.

The Chicago Board of Trade (CBOT®), one of the world's leading derivatives exchanges, today announced that January's total volume was 65,968,217 contracts, an increase of 20 percent over January 2006. Volume for the month averaged 3,141,344 contracts per day, up 14 percent from the same month last year. Average daily volume (ADV) on the Exchange's e-cbot® electronic trading platform was 2,365,319 contracts in January, a 22 percent increase compared with January 2006.

The Chicago Board of Trade (CBOT®) today announced that trading in its Agricultural complex set a new volume record yesterday, as volume reached 1,057,623 Agricultural futures and options contracts. The previous record, 1,047,096 contracts, was set on November 8, 2006.

CBOT Holdings, Inc. (CBOT), holding company for the Chicago Board of Trade, today announced record revenue of $169.3 million for the fourth quarter ended December 31, 2006, a 48 percent increase over the prior year period. Net income for the fourth quarter was $44.9 million, more than double last year's fourth quarter net income of $17.7 million.

Chicago Board of Trade (CBOT®) traders and floor personnel will be wearing Chicago Bears paraphernalia in celebration of the first Bears Super Bowl appearance since January, 1986. The CBOT invites media to visit the Exchange and take photographs of the blue and orange-clad traders as they display their Bears spirit in advance of Sunday's Super Bowl XLI.