Effective Sunday, November 13, 2005 (for trade date Monday, November 14, 2005), in response to customer requests, CME will begin disseminating leg execution details for the following CME Equity Options spreads:

^{As a reminder, position 777 of the CME Market Data MO message indicates whether a product will return legs and create implied orders.}

^{If you have any questions regarding this notice, please contact:}

^{Marilee Radecki 312.930.8193mradecki@cme.com}

^{Kevin Brady 312.648.3653kbrady@cme.com}