Starting this Sunday, January 21, 2007, the following market data messages will be removed from the Market Data Platform Administration Channel (Channel 2) in CME’s production environment.  These messages will then be disseminated via their respective CME Market Data Platform product channels, as follows:

• Instrument Creation (MO) messages
• Trading Day Timetables (MH) messages
• Group State Change Market (MJ) messages
• Start of CME Globex^® Platform (MK) messages
• Start of Instrument Referential Broadcasting (ML) messages
• End of Instrument Referential Broadcasting (MM) messages

The Instrument Creation (MO) messages – Replay Only channels 1 and 16 are not affected by this change. 

Please note that a similar change was made in CME’s Certification Environment.  In addition, this change was implemented in both the certification and production environments for CME Equity, FX and Commodity options. 

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.