IMPORTANT REMINDER -- New Indicative Price Quote Implementation on August 14, 2005/Mock Trading Scheduled for July 23 and July 30, 2005

Market Data Advisory Notices

To	Market Data Distributors
From	Market Data Operations
Subject	IMPORTANT REMINDER -- New Indicative Price Quote Implementation on August 14, 2005/Mock Trading Scheduled for July 23 and July 30, 2005
Notice Date	2005-07-21
Notice Number	Q2005-96
Effective Date
On Sunday, August 14, 2005 (trade date August 15^th), additional enhancements to CME^® Globex^® will be implemented to support options trading, which will result in the transmission of new Indicative Price Quotes (bids/asks) on outright and spread trades. These new quotes will impact users of both the ITC 2.1 and RLC formats. This notice details the impact of the changes and the upcoming Mock Trading session scheduled for this Saturday, July 23, 2005. Please view the attached link for more information.