News Release

Exchange to Expand Hours of Operation for NYMEX ClearPort® Clearing

Wed Nov 09 2005

New York, N.Y., November 9, 2005 — The New York Mercantile Exchange, Inc., today announced that will expand the hours of operation for its NYMEX ClearPort® clearing services, beginning on November 18.

The Exchange will allow the submission of transactions on NYMEX ClearPort® clearing until 4:30 PM on Fridays and on business days preceding a holiday weekend. Trades submitted before 4:30 PM on those days will clear with that trade date.

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