Notice to Members

Notice No. 271
10/07/2002

Intra-Commodity Spread Margin Rates Change For NYMEX Division OTC Natural Gas Basis Contracts

Effective Date: Monday, October 7, 2002 (close of business)

Contract Months: All Months

NYMEX Division Intra-Commodity Straddle Margins For OTC Natural Gas Basis Contracts

	Clearing Member		Member Customer		Non-Member Customer




	New	Old	New	Old	New	Old



Alberta Gas Swap (NA)	$25	$250	$28	$275	$34	$338



Chicago Basis Swap (NB)	$25	$250	$28	$275	$34	$338



Henry Hub Basis Swap (HB)	$25	$250	$28	$275	$34	$338



Houston Ship Channel Basis Swap (NH)	$25	$250	$28	$275	$34	$338



San Juan Basis Swap (NJ)	$25	$250	$28	$275	$34	$338



SoCal Basis Swap (NS)	$25	$250	$28	$275	$34	$338



Transco Zone 6 Basis Swap (NZ)	$25	$250	$28	$275	$34	$338



Northwest Pipeline, Rockies Basis Swap (NR)	$25	$250	$28	$275	$34	$338



Panhandle Basis Swap (PH)	$25	$250	$28	$275	$34	$338

This notice supersedes all previous notices regarding intra-commodity spread margins for all the OTC Natural Gas Basis Contracts.

Should you have any questions or require any further information, please contact exchangeinfo@nymex.com