News Release

NYMEX to Change Underlying Contract for NYMEX miNYTM Unleaded Gasoline Futures

Fri May 19 2006

New York, N.Y., May 18, 2006 — The New York Mercantile Exchange, Inc. announced today that the NYMEX miNY gasoline futures contract will be based on the reformulated blendstock for oxygen blending (RBOB) gasoline futures contract, beginning with the July 2006 contract. The contract price will no longer be based on the HU gasoline futures contract.

The June 2006 NYMEX miNY gasoline futures contract, which is based on HU gasoline contract, will expire on May 30 at 2:30 PM New York time. The July 2006 NYMEX miNY gasoline futures contract, based on RBOB, will be listed for trading on May 30 at 3:15 PM New York time for trade date May 31.

The trading symbol for the NYMEX miNY gasoline will remain QU.

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Contact: Anu Ahluwalia, 212-299-2439

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