Exchange's Silver Futures Continue Record-Breaking Week with New Volume Records for Total Complex, Full and Mini-Sized Contracts CHICAGO, April 12 /PRNewswire-FirstCall/ -- The Chicago Board of Trade (CBOT(R)) announced today that its Precious Metals complex achieved a new record on Tuesday, April 11, as daily volume climbed to 42,983 contracts. The previous record, 40,388 contracts, was set on March 30, 2006. The record for Metals futures was fueled by the Exchange's Silver futures complex, which set a new volume record for the second consecutive day. The new Silver complex record stands at 10,635 contracts, surpassing Monday's record of 6,844 contracts by 55 percent. Both Full-sized (5,000 Oz.) and mini-sized (1,000 Oz.) Silver futures contracts set records yesterday. Volume for the Full-sized contract was 6,315 contracts, eclipsing the 4,002 contracts traded on the previous day. Mini-sized Silver futures traded 4,320 contracts on Tuesday, breaking the record set on April 13, 2004. Month-to-date, the CBOT Precious Metals complex accounts for 25 percent of listed metals futures traded in North America. For more information on the CBOT and its electronically-traded Metals futures and options products, please visit http://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 http://www.cbot.com/ . Forward-Looking Statements In this release, our use of the words "may," "will," "should," "could," "expects," "plans," "anticipates," "believes," "predicts," "potential" or "continue" or other comparable terminology is intended to identify 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 filings made by CBOT Holdings, Securities and Exchange Commission, which can be obtained at its website at http://www.sec.gov/ . We undertake no obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise. DATASOURCE: Chicago Board of Trade CONTACT: Craig Grabiner of the Chicago Board of Trade, +1-312-341-5758, Web site: http://www.cbot.com/

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