Notice to Members
Notice No. 109
03/05/2008
Outright (SCAN) Margin Rate Changes for the Existing Natural Gas Basis and Index Swap Contracts
EFFECTIVE DATE:     Thursday, March 6, 2008 (close of business)

FUTURES CONTRACTS:
Contract Name Symbol
CIG Basis Swap CI
Alberta Basis Swap NA
Sumas Basis Swap NK
Northwest Pipeline, Rockies Basis Swap NR
Waha Basis Swap NW
Texas Eastern Zone M-3 Basis Swap NX
Transco Zone 6 Basis Swap NZ
Tetco South Texas Basis Swap TX
CONTRACT MONTHS: All Months

NOTE: The revised margin rates are in bold

NYMEX Division Outright (Scan) Margins for Existing Natural Gas Basis Swaps
 
 
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
CIG Rockies  Swap (CI)            
Tier 1 $1,200 $1,500 $1,320 $1,650 $1,620 $2,025
Tier 2 $1,200 $1,500 $1,320 $1,650 $1,620 $2,025
Tier 3 $600 $600 $660 $660 $810 $810
Tier 4 $500 $400 $550 $440 $675 $540
Tier 5 $500 $400 $550 $440 $675 $540
Alberta Basis Swap (NA)            
Tier 1 $800 $1,000 $880 $1,100 $1,080 $1,350
Tier 2 $800 $800 $880 $880 $1,080 $1,080
Tier 3 $300 $300 $330 $330 $405 $405
Tier 4 $300 $300 $330 $330 $405 $405
Tier 5 $300 $200 $330 $220 $405 $270
Sumas Basis Swap (NK)            
Tier 1 $500 $750 $550 $825 $675 $1,013
Tier 2 $500 $400 $550 $440 $675 $540
Tier 3 $400 $300 $440 $330 $540 $405
Northwest Pipeline, Rockies  Swap (NR)            
Tier 1 $1,000 $1,200 $1,100 $1,320 $1,350 $1,620
Tier 2 $800 $1,000 $880 $1,100 $1,080 $1,350
Tier 3 $600 $500 $660 $550 $810 $675
Tier 4 $300 $200 $330 $220 $405 $270
Tier 5 $300 $200 $330 $220 $405 $270
Waha Swap (NW)            
Tier 1 $500 $500 $550 $550 $675 $675
Tier 2 $400 $300 $440 $330 $540 $405
Tier 3 $300 $200 $330 $220 $405 $270
Tier 4 $200 $200 $220 $220 $270 $270
Tier 5 $200 $200 $220 $220 $270 $270
Texas Eastern Zone M-3 Swap (NX)            
Tier 1 $1,000 $1,500 $1,100 $1,650 $1,350 $2,025
Tier 2 $900 $600 $990 $660 $1,215 $810
Tier 3 $400 $300 $440 $330 $540 $405
Tier 4 $200 $200 $220 $220 $270 $270
Tier 5 $200 $200 $220 $220 $270 $270
Transco Zone 6  Swap (NZ)            
Tier 1 $3,000 $3,500 $3,300 $3,850 $4,050 $4,725
Tier 2 $2,000 $2,500 $2,200 $2,750 $2,700 $3,375
Tier 3 $700 $750 $770 $825 $945 $1,013
Tier 4 $400 $500 $440 $550 $540 $675
Tier 5 $400 $500 $440 $550 $540 $675
Tetco South Texas Basis Swap (TX)            
Tier 1 $300 $400 $330 $440 $405 $540
Tier 2 $250 $300 $275 $330 $338 $405
Tier 3 $200 $200 $220 $220 $270 $270
Tier 4 $200 $200 $220 $220 $270 $270
Tier 5 $200 $100 $220 $110 $270 $135
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com