PowerShares DB US Dollar Index Bearish Fund (the Fund) is a separate series of PowerShares DB US Dollar Index Trust (the Trust). The Fund’s subsidiary is DB US Dollar Index Bearish Master Fund (the Master Fund), which is a separate series of DB US Dollar Index Bearish Master Trust (the Master Trust). The Fund offers common units of beneficial interest only to certain eligible financial institutions (the Authorized Participants) in one or more blocks of 200,000 Shares, called a Basket. The proceeds from the offering of Shares are invested in the Master Fund. The Master Fund invests in futures contracts (the DX Contracts) with a view to tracking the changes, whether positive or negative, in the level of the Deutsche Bank US Dollar Index (USDX) Futures Index - Excess Return (Short Index) (referred to as the Short Index or the Index) over time. The Fund earns interest income from the United States Treasury obligations and other high credit quality short-term, fixed-income securties.