Notice No. 01-331
October 3, 2001

TO:
All NYMEX Division Members
All NYMEX Division Clearing Members
All NYMEX Division Member Firms

FROM:
J. Robert Collins, Jr., President

RE:
Change in Trading Hours for Natural Gas Futures and Options for Thursday,
October 4,
2001

The executive committee of the New York Mercantile Exchange, Inc., today
decided to change the trading hours for its natural gas futures and options
contracts for tomorrow, October 4, so that they close at 2:30 PM instead of
2:00 PM, as previously announced.