Market Data Advisory Notices
To Market Data Distributors
From Market Data Operations
Subject New Daily Transmission End Time for 139 S&P GSCI Indexes - Effective Monday, June 4, 2007
Notice Date 2007-06-01
Notice Number Q2007-141
Effective Date 2007-06-04

Beginning Monday, June 4, 2007 , the daily transmission end time for 139 S&P GSCI indexes disseminated by CME ® will change from the existing 4:00 p.m. Central Time to 2:30 p.m. Central Time, at the request of the data source.  Please refer to Exhibit 1, attached, for a list of the affected indexes.