News Release

CBOT Mini-Sized Dow Futures Set Daily Volume Record

Fri Jun 09 2006

For Immediate Release
Media Contact:
Craig Grabiner
(312) 341-5758
news@cbot.com

CBOT MINI-SIZED DOW FUTURES SET DAILY VOLUME RECORD AS TOTAL SURPASSES PREVIOUS HIGH BY 21 PERCENT

Exchange Also Sets Volume Record in Equity Index Complex

CHICAGO, IL, June 9, 2006 – The Chicago Board of Trade (CBOT) announced today that its $5 mini-sized Dow Jonessm futures contract set a record on Thursday, as volume climbed to 263,844 contracts at the close of trading.  The new record topped the previous record of 218,495, set on May 24, 2006, by 21 percent.

The record for the mini-sized Dowsm contract led to a daily volume record in the CBOT Equity Index complex, as 299,242 futures and options contracts changed hands yesterday.  The prior record, 232,565 contracts, was also set on May 24.  The CBOT Equity Index complex includes $5, $10 and $25 Dow Jones futures contracts as well as $5 and $10 Dow Jones options on futures contracts.

For more information on the CBOT and its products, please visit www.cbot.com.

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.

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