The PowerShares DB Energy Fund Fund (Ticker: DBE) seeks investment results that correspond generally
to the performance, before fees and expenses, to the Deutsche Bank Liquid Commodity Index-Optimum Yield Energy Excess Return Index. The index is composed of futures contracts on five commodities and weighted as such: Light sweet crude oil (22.5%), Heating Oil (22.5%), Brent Crude Oil (22.5%), RBOB Gasoline (22.5%)and Natural Gas(10%). Throughout the year the precise weighting of each commodity in the index will change based upon price changes. The index is rebalanced annually to the base weights every Novemeber. The index is intended to reflect the performance of the energy sector.