End of Month Options (EOM) on S&P 500® and E-mini® S&P 500 Index Futures Fixing Price Dissemination

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 Fixing Price Dissemination – Effective Monday, May 15, 2006
Notice Date	2006-05-11
Notice Number	Q2006-74
Effective Date	2006-05-15
Effective Monday, May, 15, 2006, CME^® will begin disseminating the fixing price (ESF) for the EOM Options on S&P 500^® and E-mini^® S&P 500 Index Futures. This is in preparation of the launch on Sunday, May 21, 2006 for trade date, Monday, May 22, 2006. If you have any questions regarding this notice, please contact: Marilee Radecki 312.930.8193 mradecki@cme.com Kevin Brady 312.648.3653 kbrady@cme.com Thank you.