Deutsche Bank, working with Invesco PowerShares Capital Management LLC and Invesco Trimark Ltd., today announced that they have cross-listed six Exchange Traded Notes (ETNs) linked to the performance of gold, crude oil and agriculture commodities. These ETNs currently trade in the United States on the NYSE Arca and are now also available on the Toronto Stock Exchange (TSX) trading in Canadian dollars.

The PowerShares DB ETNs are exchange-traded products that provide investors with a cost-effective and convenient way to take a leveraged long or leveraged short view of the performance of some of the world’s most prominent commodities. Invesco Trimark Ltd. will market in Canada each of the six PowerShares DB ETNs listed on the TSX.

“We are very pleased with the success of our ETN platform in the United States, and we are excited about the opportunity to cross-list these cost-effective and convenient leveraged commodity ETNs to Canadian investors on the TSX,” said Kevin Rich, Managing Director in Deutsche Bank’s Global Markets Investment Products group.

“This is an excellent example of how Invesco Trimark is leveraging Invesco’s relationships and world-wide investment capabilities,” said Peter Intraligi, President and Chief Operating Officer of Invesco Trimark.

The PowerShares DB Gold ETNs, PowerShares DB Agriculture ETNs and the PowerShares DB Crude Oil ETNs are senior unsecured obligations of Deutsche Bank AG, London Branch. Each security being offered has separate terms and offers investors a different type of monthly exposure to a total return version of one of the sub-indices of the Deutsche Bank Liquid Commodity Index™. All of the securities are subject to an investor fee.

PowerShares DB Gold ETNs

Deutsche Bank cross-listed two ETNs linked to the Deutsche Bank Liquid Commodity Index - Optimum Yield Gold™. This index is designed to reflect the performance of gold futures contracts. The ETNs are traded on the TSX, listed as follows:

PowerShares DB Gold Double Long (TSX: DGU)

PowerShares DB Gold Double Short (TSX: DGJ)

The PowerShares DB Gold Double Long ETNs offer investors exposure to two times the monthly performance of the Deutsche Bank Liquid Commodity Index - Optimum Yield GoldTM plus a monthly T-Bill index return; the PowerShares DB Gold Double Short ETNs offer investors exposure to two times the monthly inverse performance of the Deutsche Bank Liquid Commodity Index - Optimum Yield GoldTM plus a monthly T-Bill index return.

PowerShares DB Agriculture ETNs

Deutsche Bank cross-listed two ETNs linked to the Deutsche Bank Liquid Commodity Index - Optimum Yield Agriculture™. This index is intended to reflect the price changes in a basket of corn, soybeans, sugar and wheat futures. The ETNs are traded on the TSX, listed as follows:

PowerShares DB Agriculture Double Long (TSX: DAA)

PowerShares DB Agriculture Double Short (TSX: DAD)

The PowerShares DB Agriculture Double Long ETNs offer investors exposure to two times the monthly performance of the of the Deutsche Bank Liquid Commodity Index - Optimum Yield AgricultureTM plus a monthly T-Bill index return; the PowerShares DB Agriculture Double Short ETNs offer investors exposure to two times the monthly inverse performance of the of the Deutsche Bank Liquid Commodity Index - Optimum Yield AgricultureTM plus a monthly T-Bill index return.

PowerShares DB Crude Oil ETNs

Deutsche Bank cross-listed two ETNs linked to a crude oil index. The ETNs are traded on the TSX, listed as follows:

PowerShares DB Crude Oil Double Long (TSX: DOU)

PowerShares DB Crude Oil Double Short (TSX: DOE)

The PowerShares DB Crude Oil Double Long ETNs offer investors exposure to two times the monthly performance of Deutsche Bank Liquid Commodity Index - Optimum Yield OilTM, plus the monthly T-Bill index return; the PowerShares DB Crude Oil Double Short ETNs offer investors exposure to two times the monthly inverse performance of the Deutsche Bank Liquid Commodity Index – OilTM, plus the monthly T-Bill index return.

About Deutsche Bank

Deutsche Bank <NYSE: DB> 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 81,308 employees in 75 countries, Deutsche Bank competes to be the leading global provider of financial solutions for demanding clients creating exceptional value for its shareholders and people.

www.db.com

About Invesco PowerShares Capital Management LLC

Invesco PowerShares is leading the intelligent ETF revolution through its family of more than 100 domestic, international and active exchange-traded funds. With assets under management as of April 30, 2008 of $13.86 billion, PowerShares ETFs trade on all of the major U.S. stock exchanges that trade ETFs. For more information, please visit us at www.invescopowershares.com.

Invesco PowerShares is a wholly owned subsidiary of Invesco Ltd., a leading independent global investment management company dedicated to helping people worldwide build their financial security. By delivering the combined power of its distinctive worldwide investment management capabilities, including AIM, Atlantic Trust, Invesco, Perpetual, PowerShares, Trimark, and WL Ross, Invesco provides a comprehensive array of enduring investment solutions for retail, institutional and high-net worth clients around the world. Operating in 20 countries, Invesco Ltd. is currently listed on the New York Stock Exchange under the symbol IVZ. Additional information is available at www.invesco.com.

About Invesco Trimark Ltd.

Invesco Trimark Ltd. is one of Canada’s largest investment management companies, with approximately C$34.1 billion* in assets under management. A subsidiary of Invesco Ltd., which is among the world’s largest independent global investment managers, Invesco Trimark offers a diversified suite of investment solutions to institutions, organizations, companies and individual investors across Canada and around the world. Invesco Ltd. has approximately US$409.6 billion* in assets under management and is listed on the New York Stock Exchange with the symbol “IVZ.” Invesco Ltd. has over 5,300 employees and operates in 20 countries worldwide.

*As at September 30, 2008