Composition of S&P GSCI Sub-Indices 2009

Sub-Index	2008 PDW*	2009 RPDW	Included Commodities
Energy	74.70%	74.59%	Crude Oil (and supporting contracts)and Natural Gas
Non-Energy	25.30%	25.41%	(All commodities not included in Energy Sub-Index)
Petroleum	68.08%	68.17%	Crude Oil (and supporting contracts)
Agricultural	12.69%	12.70%	Corn, Wheat, Kansas Wheat, Soybeans, Coffee, Cocoa, Sugar, and Cotton
Livestock	3.35%	3.49%	Lean Hogs, Live Cattle and Feeder Cattle
Industrial Metals	7.25%	7.27%	Aluminum, Copper, Lead, Nickle and Zinc
Precious Metals	2.01%	1.95%	Gold and Silver

*Based on the Average Contract Reference Prices for the 2009 Annual Calculation Period.