Information Update #2: CME® Spread Type Changes for RLC – Effective Sunday, May 21, 2006 & CME Spread Type Changes for ITC 2.1

Market Data Advisory Notices

To	Market Data Distributors
From	Market Data Operations
Subject	Information Update #2: CME® Spread Type Changes for RLC – Effective Sunday, May 21, 2006 & CME Spread Type Changes for ITC 2.1 – Effective Sunday, June 11, 2006
Notice Date	2006-05-11
Notice Number	Q2006-72
Effective Date
PLEASE NOTE THE UPDATED INFORMATION IN BOLD-FACE TYPE In an effort to simplify and streamline customer processing of CME-listed spreads, CME will implement new Spread Types for the RLC messages effective Sunday, May 21, 2006 (for trade date Monday, May 22) and for the ITC 2.1 messages effective Sunday, June 11 (for trade date Monday, June 12). This notice provides detailed information regarding changes to both message specifications. Please view the attached link for more information.