The PowerShares DB Commodity Index Tracking Fund (Fund) is based on the DBIQ Optimum Yield Diversified Commodity Index Excess Return™ (Index) and managed by DB Commodity Services LLC. The Index is a rules-based index composed of futures contracts on 14 of the most heavily-traded and important physical commodities in the world. You cannot invest directly in an index. Ordinary brokerage commissions apply. The Fund is rebalanced and reconstituted annually in November.

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Literature:   Prospectus |

Links:   Interactive Charting | Download Historical NAVs

Date   5/15/2012   Price   26.38   Bid/Ask Midpoint   29.76		NAV   26.50   Bid/Ask Prem/Disc   3.26   Bid/Ask Prem/Disc   12.28%

As of 3/31/2012

Monthly Standardized Report

Performance data quoted represents past performance. PAST PERFORMANCE IS NOT INDICATIVE OF FUTURE RESULTS. See invescopowershares.com to find the most recent month-end performance numbers. Investment returns and principal value will fluctuate and shares of the Fund, when redeemed, may be worth more or less than their original cost. An investor cannot invest directly in an index. The Fund seeks to track the DBIQ Optimum Yield Diversified Commodity Index Excess Return™ (Symbol: DBLCIX). Results for the DBIQ Optimum Yield Diversified Commodity Index Total Return™ (Symbol: DBLCDBCT), which consists of the Index plus 3-month U.S. Treasury securities returns, are displayed because the Fund collateralizes futures positions with 3-month U.S. Treasury securities.

Ex-Date Record Date Pay Date $ / Share Ordinary Income Short Term Gains Long Term Gains Return of Capital 12/15/2008 12/17/2008 12/31/2008 0.34000 N.A. N.A. N.A. 0.34000 12/17/2007 12/19/2007 12/28/2007 0.76000 N.A. N.A. N.A. 0.76000

Distribution Information

There are risks involved with investing in ETFs, including possible loss of money. Shares are not actively managed and are subject to risks similar to those of stocks, including those regarding short selling and margin maintenance requirements. Ordinary brokerage commissions apply. The Fund’s return may not match the return of the Underlying Index.

Commodities and futures generally are volatile and are not suitable for all investors. The Fund will be successful only if significant losses are avoided. Funds focusing on a single sector generally experience greater volatility. Please review the prospectus for break-even figures for the Fund.

The Fund is speculative and involves a high degree of risk. An investor may lose all or substantially all of an investment in the Fund.

The Fund is not a mutual fund 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.

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.

The S&P 500 Index is an unmanaged index considered representative of the U.S. stock market. The Barclays Capital U.S. Treasury 20+ Year Index is an unmanaged index used as a measurement of change in U.S. Treasury bond market conditions based on the performance of a specified group of U.S. Treasury bonds. The Barclays Capital U.S. Treasury 20+ Year Index is a trademark of Barclays Capital. Except where indicated otherwise, all information is as of date noted, and Invesco PowerShares Capital Management LLC is either the source of such data or has obtained it from third-party financial reporting sources.