NYMEX Division Margin Rates for Light Louisiana Sweet Crude Oil,
West Texas Sour Crude Oil, WTI Midland Crude Oil, and Mars Blend Crude Oil Futures Contracts

Clearing Member (Maintenance Margin):	Old: $2,400	New: $3,000
Member Customer (Initial Margin):	Old: $2,640	New: $3,300
Non-Member Customer (Initial Margin):	Old: $3,240	New: $4,050

Spread	Ratio	New % Credit	Old % Credit	New $RequirementA	New PriorityB	Old Priority
LS/CL	1:01	98%	90%	$120	1	43
MB/CL	1:01	98%	90%	$120	2	44
TS/CL	1:01	98%	80%	$120	3	45
CM/CL	1:01	98%	85%	$120	4	47
LS/TS	1:01	95%	85%	$300	9	61
LS/CM	1:01	95%	85%	$300	10	62
LS/MB	1:01	95%	85%	$300	11	63
TS/CM	1:01	95%	85%	$300	12	64
TS/MB	1:01	95%	85%	$300	13	65
CM/MB	1:01	95%	85%	$300	14	66

A Based on margin rates effective February 27th, 2003, B For a complete list of revised NYMEX Division inter-commodity spread credits refer to NYMEX Notice To Members 03-83.

This notice supersedes all previous notices regarding outright margins for the NYMEX Light Louisiana Sweet Crude Oil, West Texas Sour Crude Oil, WTI Midland Crude Oil, Mars Blend Crude Oil Futures Contracts.