Revised Trading Hours for NYMEX miNYSM Natural Gas on the CME® Globex® Electronic Trading Platform

Market Data Advisory Notices

To	Market Data Distributors
From	Market Data Operations
Subject	Revised Trading Hours for NYMEX miNYSM Natural Gas on the CME® Globex® Electronic Trading Platform – Effective Monday, October 3, 2005
Notice Date	2005-09-30
Notice Number	Q2005-140
Effective Date
Effective Monday, October 3, 2005, the following revised trading hours will apply to NYMEX miNY^SM Natural Gas on the CME® Globex® Electronic Trading platform. Currently, the trading session has a 30-minute trading halt from 8:30 a.m. to 9:00 a.m. Central Time (9:30 a.m. to 10:00 a.m. Eastern Time), Monday through Friday. Under the revised trading hours, the 30-minute trading halt on the NYMEX miNY Natural Gas has been eliminated. The revised trading hours (in Eastern Time) are attached.