CBOE Closed On Friday June 11; OEX Exercises Not Allowed

The Chicago Board Options Exchange (CBOE), as previously announced, will be closed on Friday, June 11, 2004 in honor of the National Day of Mourning for former President Ronald Reagan. Therefore, Exercise Notices on American-style, cash-settled index option classes, such as the S&P 100 index options ("OEX"), will not be accepted, and are prohibited.