Notice No. 00-423
December 12, 2000

TO:
ALL NYMEX MEMBERS AND MEMBER FIRMS
ALL NYMEX CLEARING FIRMS
ALL NYMEX OPERATIONS MANAGERS

FROM: Neal Wolkoff, Executive Vice President

SUBJECT: MARGIN RATE CHANGE

Effective Date: Wednesday, December 13, 2000 (close of business)

Futures Contract: Henry Hub Natural Gas Futures

Contract Months: All Months

Rate Change:
NYMEX Division Margins on Henry Hub Natural Gas Futures Contracts

Effective Date:  Wednesday, December 13, 2000 (close of business)

Clearing Member (Maintenance Margin): Old:  $12,000  New:  $14,000

Member Customer (Initial Margin):            Old:  $13,200  New:  $15,400

Non-Member Customer (Initial Margin):   Old:  $16,200  New:  $18,900

Should you have any questions regarding these changes, please contact Arthur 
McCoy at (212) 299-2928 or Joe Sanguedolce at (212) 299-2855.  This notice 
supersedes all previous notices regarding outright margins for the NYMEX 
Henry Hub Natural Gas Futures Contract.


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