-->NEW YORK, N.Y., November 28, 2005 — The New York Mercantile Exchange, Inc., announced today it would change the margins on its gold and silver futures contracts at the close of business on November 30.

Margins rates for the gold futures contract will increase to $1,500 from $1,000 for clearing and non-clearing members and to $2,025 from $1,350 for customers.

Margins rates for the silver futures contract will increase to $1,750 from $1,500 for clearing and non-clearing members and to $2,363 from $2,025 for customers.