CME Group will extend the Saturday replay of production-speed market data in the production environment for both FIX/FAST and RLC formats, for 60 minutes through November 22, 2008 , from 11:30 a.m. to 12:30 p.m. Central Time (CT). Please reference the following table for testing dates:

We recommend that all Quote Vendors purge and reload their instrument databases every week. To support testing during these replay windows, the FIX/FAST Security Definition (tag 35=d) and RLC Instrument Creation (MO) messages from the prior week will be available on the instrument definition channels each Saturday starting at 10:00 a.m.

Please reference the following market data channels and formats that will be replayed:

Channel Definitions

In an effort to better assist Quote Vendors with their conversion to FIX/FAST, CME Group has made the FIX/FAST production multicast information available to all customers. However, please be advised that only FIX/FAST certified applications are permitted to utilize the FIX/FAST channels in the production environment. To obtain the FIX/FAST production multicast information, please contact one of the following Market Data Operations staff.

·          Kevin Brady

Kevin.Brady@cmegroup.com  

312-648-3653

·          Lakisha Speights

Lakisha.Speights@cmegroup.com

312-338-7110

In addition, RLC channel definitions are available in PDF format at http://www.cmegroup.com/globex/files/MDPProdChannelDefs.pdf

Related Information

·          The replay window will not be provided on the following dates Saturday October 4, 2008, October 11, 2008, and October 25, 2008.

·          All data disseminated during the Saturday replay windows will be captured during the prior mid-week trading sessions.

·          Support will be available at 312-715-6003 should Quote Vendors have any questions or concern during the Saturday replay window.

Please contact mdo@cmegroup.com if you have any questions concerning this notice. Thank you