News Release

CBOT Full-Sized Silver Futures Sets Record Surpassing 11,000 Contracts

Wed Nov 22 2006

For Immediate Release

Media Contact:
Craig Grabiner
312-341-5758
news@cbot.com

CBOT FULL-SIZED SILVER FUTURES SETS RECORD AS DAILY OPEN INTEREST SURPASSES 11,000 CONTRACTS

CHICAGO, IL, November 22, 2006 – The Chicago Board of Trade (CBOT®) today announced that trading of its 5,000 oz Silver futures contract reached a new daily open interest record yesterday, hitting 11,000 contracts for the first time. This new record of 11,006 surpasses the previous record of 10,681 contracts set on November 14, 2006.

Since their launch in October 2004, CBOT Metals futures contracts continue to attract new market participants and achieve greater volume.  For the month of November to date, the Exchange’s Metals futures complex, including both Full-sized and mini-sized Gold and Silver futures contracts, accounts for 51 percent of all listed Gold and Silver futures contracts traded in North America. Through November 21, the Exchange’s Silver futures complex accounted for 36 percent of listed Silver futures traded in North America. 

The CBOT Metals Complex includes Full-sized (100 oz.) Gold futures and options contracts, mini-sized (33 oz.) Gold futures contracts, Full-sized (5,000 oz.) Silver futures and options contracts and mini-sized (1,000 oz.) Silver futures contracts. These products are available for trading 22 hours per day on the e-cbot® electronic trading platform.  For more information about the CBOT Precious Metals Complex please visit the Exchange’s web site at www.cbot.com/metals.

About the CBOT

As one of the leading global derivative exchanges, the Chicago Board of Trade provides a diverse mix of financial, equity and commodity futures and options-on-futures products.  Building on its 158-year history, the CBOT continues to advance into the future using the strength of deep liquidity, market integrity and member-trader expertise.  Using superior trading technology in both electronic and open-auction trading platforms, the CBOT provides premier customer service to risk managers and investors worldwide.  For more information, visit our website at www.cbot.com.

Forward Looking Statements

Certain statements in this press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and includes any use of the words “may,” “should,” “could,” “expects,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential” or “continue.”  These statements are based on management’s current expectations and involve assumptions that may be subject to change or risks and uncertainties that could cause actual results to differ materially from those set forth in the statements.  Accordingly, actual outcomes and results may differ materially from what is expressed or implied in any forward-looking statement contained in this press release.  The factors that may affect our performance may be found in the Annual Report on Form 10-K and other periodic reports filed by CBOT Holdings, Inc. with the U.S. Securities and Exchange Commission (“SEC”).  These filings can be obtained at the SEC’s website at 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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