Notice to Members
Notice No. 541
12/07/2007
Outright (SCAN) Margin Rate Changes for the Existing Natural Gas Basis Contracts
EFFECTIVE DATE:    Monday, December 10, 2007 (close of business)

FUTURES CONTRACTS:
Waha Basis Swap (NW), PG&E Citygate Basis Swap (PC), NGPL Texok Basis Swap (PD), Northern Natural Gas Demarcation Basis Swap (PE), Ventura Basis Swap (PF), Panhandle Basis Swap (PH), Permian Basis Swap (PM), Centerpoint Basis Swap (PW)
CONTRACT MONTHS: All Months

NOTE: The revised margin rates are in bold


NYMEX Division Outright (Scan) Margins for Existing Natural Gas Basis Swaps
 
Natural Gas Basis Financial
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Waha Basis Swap (NW)
 
 
 
 
 
 
    Tier 1
$800
$500
$880
$550
$1,080
$675
PG&E Citygate Basis Swap (PC)
 
 
 
 
 
 
    Tier 1
$800
$500
$880
$550
$1,080
$675
NGPL Texok Basis Swap (PD)
 
 
 
 
 
 
    Tier 1
$600
$400
$660
$440
$810
$540
Northern Natural Gas Demarcation Basis Swap (PE)
 
 
 
 
 
 
    Tier 1
$700
$500
$770
$550
$945
$675
Ventura Basis Swap (PF)
 
 
 
 
 
 
    Tier 1
$800
$500
$880
$550
$1,080
$675
Panhandle Basis Swap (PH)
 
 
 
 
 
 
    Tier 1
$600
$500
$660
$550
$810
$675
Permian Basis Swap (PM)
 
 
 
 
 
 
    Tier 1
$800
$500
$880
$550
$1,080
$675
Centerpoint Basis Swap (PW)
 
 
 
 
 
 
    Tier 1
$500
$400
$550
$440
$675
$540

This notice supersedes all previous notices regarding these margin rates.
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com