Market  Data Advisory Notices
To Market Data Distributors
From Market Data Operations
Subject End of Month Options (EOM) on S&P 500 and E-mini S&P 500 Index Futures Effective Sunday, May 21, 2006, for Trade Date Monday, May 22, 2006
Notice Date 2006-05-01
Notice Number Q2006-63
Effective Date 2006-05-01

Due to record open interests in the options on S&P 500 futures and steady gains in the options on E-mini S&P 500 futures, the End of Month Options contracts have been designed to complement the existing options.

Please view the attached New Product Summary for more details.

Thank you!