TO:	ALL CLEARING PARTICIPANTS
FROM:	CLIENT SERVICES AND SUPPORT
DATE:	August 29, 2006
SUBJECT:	Margin Intervals for ChemConnect

Product	CCorp Code	Margin
Propane Forward Conway Williams	HE	$2,750
Propane Swap Conway Williams	HF	$2,750
Propane Swap Conway Williams OPIS	HG	$2,750
Propane Swap TET OPIS	HL	$2,850
Ethane Swap Enterprise OPIS	HK	$2,500

Should you have any questions, please call or e-mail one of the following Client Services and Support Representatives: