Mock Trading Sessions on Saturday, November 18, and Saturday, December 2, 2006 for the Potential Listing of COMEX and NYMEX Metal Futures on CME Globex.

Market Data Advisory Notices

To	Market Data Distributors
From	Market Data Operations
Subject	Mock Trading Sessions on Saturday, November 18, and Saturday, December 2, 2006 for the Potential Listing of COMEX and NYMEX Metal Futures on CME Globex.
Notice Date	2006-11-16
Notice Number	Q2006-211
Effective Date	2006-11-16
On *Saturday, November 18, 2006* and *Saturday, December 2, 2006, CME® will hold mock trading sessions from 9:00 a.m. to 11:00 a.m.* Central Time, in preparation for the potential listing of COMEX® and NYMEX metal futures and spreads on CME Globex® . Exhibit A contains a list of all futures and spreads that will be included in these mock trading sessions. Additionally, a new Spread Type Code (RT) for Silver calendar spreads, as well as new miNY settlement price rounding functionality, are being added to support these products. Please refer to the following documents for more detailed information: Mock Trading Session Plan and Mock Trading Session Script -- Both scripted and unscripted testing will be included in these sessions. CME Market Data Platform Developer’s Guide -- Spread Type Codes Potential COMEX Metal Futures on the CME Globex Platform Client Impact Assessment -- miNY settlement price rounding functionality Please view the attached notice for more information. Thank you!