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Mark F. Duffy Re-Elected As CBOE Vice Chairman

Date 21/12/2001

The Chicago Board Options Exchange® (CBOE®) today announced that its membership re-elected Mark F. Duffy as Vice Chairman of the Exchange and chairman of the Executive Committee for 2002.

Duffy will serve a second one-year term as Vice Chairman, effective at the CBOE's first board meeting in January, 2002.

"We accomplished many things during the past year, and I look forward to working with Mark again next year," said William J. Brodsky, CBOE's Chairman and CEO.

A CBOE member since 1985, Duffy is a general partner of Cornerstone Partners, a trading firm with thirty market makers and brokers on the CBOE trading floor. In addition, he is managing general partner of Fugue, a CBOE member organization, and is also general partner of Isomorphism, a lessor organization.

Mr. Duffy is also beginning the second year of his third term as a member of the Board of Directors of the Exchange and serves on several other CBOE committees.

CBOE, the world's largest options marketplace and the creator of listed options, is regulated by the Securities and Exchange Commission (SEC). For additional information about the CBOE and its products, access the CBOE site on the World Wide Web at http://www.cboe.com.