Effective Date: Friday, August 17, 2007 (close of business)

Futures Contracts: Propane Futures (PN)

Contract Months : All Months

Rate Change:

NYMEX Division Margin on Propane Futures Contracts

New Old

Clearing Member (Customer Maintenance) $1,750 $1,250

Member Customer $1,925 $1,375

Non-Member Customer $2,363 $1,688

This notice supersedes all previous notices regarding margins for the Propane Futures Contracts.