Instrument Creation (MO) Message Enhancements - Attention RLC Message Users

Market Data Advisory Notices

To	Market Data Distributors
From	Market Data Operations
Subject	Instrument Creation (MO) Message Enhancements - Attention RLC Message Users - Effective Sunday, July 22, 2007
Notice Date	2007-07-12
Notice Number	Q2007-180
Effective Date	2007-07-22
Effective Sunday, July 22, 2007, CME ^® is launching the following enhancements to the Instrument Creation (MO (em-oh)) RLC market data message in the New Release environment. These new fields provide important instrument information, such as the fractional versus decimal price display, originating exchange and explicit Cabinet price for options. These new fields are scheduled to launch in the production environment in the first quarter 2008. Please view the attached memo for more information.