Notice to Members

Notice No. 362
08/29/2005

Margin Rates Changes for the Natural Gas Swing Swap Futures Contracts

EFFECTIVE DATE: Monday, August 29, 2005 (close of business)

FUTURES CONTRACTS:

Dominion Swing Swap (SH), Kern River Swing Swap (SR), PG&E City Gate Swing Swap (SK), San Juan Swing Swap (SJ), SoCal Swing Swap (SF), Sumas Swing Swap (SU), TETCO M-3 Swing Swap (SX), Transco Zone 6 Swing Swap (ST), Chicago City Gate Swing Swap (SS), El Paso/Permian Swing Swap (SL), Houston Ship Channel Swing Swap (SM), Panhandle Swing Swap (SV), Waha Swing Swap (SY)

CONTRACT MONTHS: All Contracts

NYMEX Division Outright (Scan) Margins for the Natural Gas Swing Swap Futures Contracts

All Nearby Contracts	Clearing Member / Maintenance Margin		Member Customer Initial Margin		Non-Member Customer Initial Margin
	*New*	Old	*New*	Old	*New*	Old
Dominion Swing Swap (SH)	$1,700	$1,200	$1,870	$1,320	$2,295	$1,452
Kern River Swing Swap (SR)	$2,100	$1,600	$2,310	$1,760	$2,835	$1,936
PG&E City Gate Swing Swap (SK)	$2,100	$1,600	$2,310	$1,760	$2,835	$1,936
San Juan Swing Swap (SJ)	$2,700	$2,200	$2,970	$2,420	$3,645	$2,662
SoCal Swing Swap (SF)	$2,900	$2,400	$3,190	$2,640	$3,915	$2,904
Sumas Swing Swap (SU)	$1,900	$1,400	$2,090	$1,540	$2,565	$1,694
TETCO M-3 Swing Swap (SX)	$1,800	$1,300	$1,980	$1,430	$2,430	$1,573
Transco Zone 6 Swing Swap (ST)	$1,800	$1,300	$1,980	$1,430	$2,430	$1,573
Chicago City Gate Swing Swap (SS)	$2,375	$1,875	$2,613	$2,063	$3,206	$2,269
El Paso Permian Swing Swap (SL)	$2,375	$1,875	$2,613	$2,063	$3,206	$2,269
Houston Ship Channel Swing Swap (SM)	$2,375	$1,875	$2,613	$2,063	$3,206	$2,269
Panhandle Swing Swap (SV)	$2,375	$1,875	$2,613	$2,063	$3,206	$2,269
Waha Swing Swap (SY)	$2,375	$1,875	$2,613	$2,063	$3,206	$2,269

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