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| PowerShares DB commodity and currency funds provide investors cost-effective and convenient access to the global commodity and currency markets through rules-based commodity and currency indexes. |
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| Generally, futures-based ETFs sell their current contracts before they expire and automatically buy into the next month. This process is called rolling” futures contracts forward. |
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Instead of automatically rolling into the next month contract, the Optimum Yield Roll process analyzes the next 13 months and selects the contract that aims to generate the best possible roll yield. |
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| Commodities, currencies and futures generally are volatile and are not suitable for all investors. The Fund will be successful only if significant losses are avoided. Please review the prospectus regarding specific break-even figures for the Fund. |
| The Funds are speculative and involves a high degree of risk. An investor may lose all or substantially all of an investment in the Funds. Ordinary brokerage commissions apply. |
| The Funds are not mutual funds or any other type of Investment Company within the meaning of the Investment Company Act of 1940, as amended, and is not subject to regulation thereunder. Shares in the Funds are not FDIC insured, may lose value and have no bank guarantee. |
| This material must be accompanied or preceded by a prospectus. Please read the prospectus carefully before investing. |
| Shares are not individually redeemable and owners of the Shares may acquire those shares from the Fund and tender those shares for redemption to the Fund in Creation Units only, typically consisting of aggregations of 200,000 shares. |
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| Visit the PowerShares 2011 Tax Center for information on PowerShares DB tax reporting |
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| Fund Links: |
| Commodity |
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| Currency |
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| Relevant Terms: |
| Rolling Futures |
| Generally, futures-based ETFs sell their current contract before it expires and buy into the next month's contract. This process is called "rolling" futures contracts forward. |
| Backwardation |
| Backwardation occurs when futures contracts are trading lower than spot prices. |
| Contango |
| Contango occurs when futures contracts are trading higher than spot prices. |
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