New York, N.Y., July 22, 2008 -- The New York Mercantile Exchange, Inc. today announced margin changes for its Colombian Peso futures contact, effective at the close of business tomorrow.

Margins will increase to $3,000 from $900 for clearing members, to $3,300 from $990 for members, and to $4,050 from $1,215 for customers.

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Contact:  Brenda Guzman, 212-299-2436 or Anu Ahluwalia, 212-299-2439