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Options Industry Sets New Daily Volume Record Surpassing 21 Million Contracts On Thursday, July 26

CHICAGO, July 27, 2007 - The Options Clearing Corporation (OCC) announced that a new daily cleared volume record was set on Thursday, July 26, 2007 when 21,313,025 contracts were cleared, surpassing the previous record of 18,788,070 contracts set less than one week ago on July 20, 2007 by more than 13%. Options open interest reached 261,658,749 contracts.

Equity options set a new record with 18,946,472 contracts, a 9 percent increase over the previous record of 17,344,462 contracts on July 20, 2007. Equity options open interest stands at 243,231,319.

"Processing this level of volume is a testament to the robust capacity planning activities undertaken by the Options industry over the past 5 years. The Options Exchanges, Clearing Members, and OCC have collaboratively addressed the need for processing efficiencies to meet the increasing demand for our product, which has seen an average year over year growth volume of more than 27% since 2002," said Michael E. Cahill, OCC President and Chief Operating Officer.

About OCC

OCC, founded in 1973, is the world's largest derivatives clearing organization and was the first clearinghouse to receive a 'AAA' credit rating from Standard & Poor's Corporation. Operating under the jurisdiction of the Securities and Exchange Commission and the Commodity Futures Trading Commission, OCC provides clearing and settlement services for the American Stock Exchange, the Boston Options Exchange, Chicago Board Options Exchange, CBOE Futures Exchange, International Securities Exchange, OneChicago, NYSE Arca, Philadelphia Stock Exchange and Philadelphia Board of Trade. More information about OCC is available through its Web site at