Notice to Members
Notice No. 290
06/03/2008
Outright (SCAN) Margin Rate Changes for the Existing Natural Gas Basis Swap Contracts
Effective Date: Wednesday, June 4, 2008 (close of business)

Futures Contract:
CIG Basis Swap (CI), San Juan Basis Swap (NJ), Northwest Pipeline, Rockies Basis Swap (NR), Texas Eastern Zone M-3 Basis Swap (NX), Transco Zone 6 Basis Swap (NZ)
Contract Months: Tier 1 Only


NYMEX Division Margin Rates 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
$1,500
$1,500
$1,650
$1,650
$2,025
$2,025
Tier 2
$1,500
$1,500
$1,650
$1,650
$2,025
$2,025
Tier 3
$750
$750
$825
$825
$1,013
$1,013
Tier 4
$750
$500
$825
$550
$1,013
$675
Tier 5
$750
$500
$825
$550
$1,013
$675
San Juan Basis Swap (NJ)
Tier 1
$900
$750
$990
$825
$1,215
$1,013
Tier 2
$500
$500
$550
$550
$675
$675
Tier 3
$250
$250
$275
$275
$338
$338
Tier 4
$250
$250
$275
$275
$338
$338
Tier 5
$250
$250
$275
$275
$338
$338
Northwest Pipeline, Rockies  Swap (NR)
Tier 1
$1,500
$1,200
$1,650
$1,320
$2,025
$1,620
Tier 2
$1,000
$1,000
$1,100
$1,100
$1,350
$1,350
Tier 3
$800
$800
$880
$880
$1,080
$1,080
Tier 4
$700
$600
$770
$660
$945
$810
Tier 5
$500
$400
$550
$440
$675
$540
Texas Eastern Zone M-3 Swap (NX)
Tier 1
$400
$500
$440
$550
$540
$675
Tier 2
$400
$500
$440
$550
$540
$675
Tier 3
$400
$500
$440
$550
$540
$675
Tier 4
$300
$300
$330
$330
$405
$405
Tier 5
$200
$200
$220
$220
$270
$270
Transco Zone 6 Basis Swap (NZ)
Tier 1
$1,500
$2,000
$1,650
$2,200
$2,025
$2,700
Tier 2
$1,200
$1,500
$1,320
$1,650
$1,620
$2,025
Tier 3
$500
$500
$550
$550
$675
$675
Tier 4
$400
$400
$440
$440
$540
$540
Tier 5
$400
$400
$440
$440
$540
$540
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com