UDN Invesco DB US Dollar Index Bearish Fund

Deutsche Bank today announced per share distribution amounts payable to shareholders of record as of December 19, 2007 for each of the following PowerShares DB funds. The distribution amounts are as follows: Fund Name � Symbol � Per-Share Distribution PowerShares DB Commodity Index Tracking Fund � DBC � $0.76 PowerShares DB Agriculture Fund � DBA � $0.45 PowerShares DB Base Metals Fund � DBB � $0.96 PowerShares DB Energy Fund � DBE � $0.90 PowerShares DB Gold Fund � DGL � $0.81 PowerShares DB Oil Fund � DBO � $1.28 PowerShares DB Precious Metals Fund � DBP � $0.60 PowerShares DB Silver Fund � DBS � $0.87 PowerShares DB G10 Currency Harvest Fund � DBV � $0.80 PowerShares DB US Dollar Index Bullish Fund � UUP � $0.20 PowerShares DB US Dollar Index Bearish Fund � UDN � $0.40 The amount of per-share distribution by each of the PowerShares DB funds was based upon the number of shares outstanding for each PowerShares DB fund as of the close of business on December 14, 2007. The distributions are payable to shareholders of record as of December 19, 2007 and will be paid on December 28, 2007. These distributions represent DB Commodity Services LLC�s estimate of the amount by which each of the PowerShares DB funds� interest income exceeded its expenses in 2007. Further information on the tax treatment of these distributions, which generally should be treated as non-taxable returns of capital, can be found at www.dbfunds.db.com/distribution.aspx. There are risks involved with investing in the PowerShares DB funds, including possible loss of money. The funds are speculative and involve a high degree of risk. An investor should consider the PowerShares DB funds� investment objectives, risks, charges and expenses carefully before investing. For this and more complete information about the PowerShares DB funds, call 877-369-4617 or visit www.dbfunds.db.com for a copy of the applicable prospectus. Please read the prospectus carefully before investing. ALPS Distributors, Inc. is the distributor of the PowerShares DB funds. Certain marketing services may be provided for the funds by A I M Distributors, Inc. or PowerShares Capital Management, LLC. About Deutsche Bank Deutsche Bank is a leading global investment bank with a strong and profitable private clients franchise. A leader in Germany and Europe, the bank is continuously growing in North America, Asia and key emerging markets. With 77,920 employees in 75 countries, Deutsche Bank offers unparalleled financial services throughout the world. The bank competes to be the leading global provider of financial solutions for demanding clients creating exceptional value for its shareholders and people. Deutsche Bank Securities Inc., member NYSE, FINRA and SIPC, is the investment banking and securities arm of Deutsche Bank AG in the United States.