PowerShares DB Energy Fund (the Fund) is based on the Deutsche Bank Liquid Commodity Index - Optimum Yield Energy Excess Return (the Index) and is managed by DB Commodity Services LLC (the Managing Owner). The Index is a rules-based index composed of futures contracts on some of the most heavily traded energy commodities in the world, including light sweet crude oil (WTI), heating oil, brent crude oil, reformulated blendstock for oxygenate blending (RBOB) gasoline and natural gas. The Index is intended to reflect the performance of the energy sector. The Fund’s investment advisor is Invesco PowerShares Capital Management LLC.