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The Options Clearing Corporation Announces Year to Date Options Volume Passes 1 Billion Contracts

CHICAGO, June 30, 2006 - The Options Clearing Corporation (OCC) reported that the total number of options contracts traded so far this year surpassed 1 billion contracts yesterday. This marks the third consecutive year that trading volume has achieved this level.

Total options volume hit 1 billion contracts for the first time on Nov. 9, 2004 and then again on September 16, 2005. While it took 217 trading days to reach that mark in 2004, and 179 trading days in 2005, only 124 trading days were needed to pass 1 billion contracts this year.

"Reaching this milestone in only six months' time is a remarkable achievement and a testament to the versatility of listed options as an investment tool," said Wayne P. Luthringshausen, Chairman and CEO of OCC. "We are confident that this growth will continue as the global appetite for options and listed derivatives increases."

Year-to-date average daily options volume at OCC is 8.1 million contracts, about 3 million contracts per day better than the daily average in 2005, which was a record trading year for the industry.

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 www.optionsclearing.com.