News Releases

Eight PowerShares DB Base Metals and Oil ETNs List on NYSE Arca
- First ever North American listed securities to offer leveraged and inverse exposure to base metals and oil -
- 63 ETNs currently trading on NYSE Arca -

NEW YORK , June 17, 2008 - NYSE Euronext (NYX ) today announced that eight new PowerShares Deutsche Bank Metals and Oil ETNs issued by Deutsche Bank began trading on NYSE Arca.  As an industry leader in ETF and ETN listings and trading, such products listed on NYSE Arca represent 56% of ETF and ETN assets under management in the U.S. , nearly $609 billion, the most of any exchange.

PowerShares DB Metals and Oil ETNs are designed to track the short and leveraged performance of base metals and oil.  The following PowerShares Deutsche Bank ETNs are listed and traded on NYSE Arca under the following ticker symbols:

PowerShares DB Base Metals Double Short ETN                     (NYSE Arca: BOM)
PowerShares DB Base Metals Short ETN                                (NYSE Arca: BOS)
PowerShares DB Base Metals Double Long ETN                      (NYSE Arca: BDD)
PowerShares DB Base Metals Long ETN                                 (NYSE Arca: BDG)
PowerShares DB Crude Oil Double Long ETN                         (NYSE Arca: DXO)
PowerShares DB Crude Oil Long ETN                                    (NYSE Arca: OLO)
PowerShares DB Crude Oil Double Short ETN                        (NYSE Arca: DTO)
PowerShares DB Crude Oil Short ETN                                   (NYSE Arca: SZO)

Including today’s listings, NYSE Arca has 270 primary ETF and 64 ETNs listings and trade all other eligible ETFs on a UTP basis.  In 2007, NYSE Arca added 122 new ETFs and ETNs to its roster of primary listings, including a record 101 IPOs.  For the full-year 2007, NYSE Arca was the primary listing exchange of choice with a total of 261 ETFs and ETNs listed and $340 billion assets under management.


About NYSE Euronext
NYSE Euronext (NYX) operates the world’s leading and most liquid exchange group, and seeks to provide the highest levels of quality, customer choice and innovation.  Its family of exchanges, located in six countries, includes the New York Stock Exchange, the world's largest cash equities market; Euronext, the Eurozone's largest cash equities market; Liffe, Europe's leading derivatives exchange by value of trading; and NYSE Arca Options, one of the fastest growing U.S. options trading platforms.  NYSE Euronext offers a diverse array of financial products and services for issuers, investors and financial institutions in cash equities, options and derivatives, ETFs, bonds, market data, and commercial technology solutions.  NYSE Euronext's nearly 4,000 listed companies represent a combined $28.5 / 18.4€ trillion (as of May 31, 2008 ), in total global market capitalization more than four times that of any other exchange group.  NYSE Euronext's equity exchanges transact an average daily trading value of approximately 157.5 /103.4 billion (as of May 31, 2008 ), which represents more than one-third of the world's cash equities trading.  NYSE Euronext is part of the S&P 500 index and the only exchange operator in the S&P 100 index.  For more information, please visit

Cautionary Note Regarding Forward-Looking Statements
This press release may contain forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include, but are not limited to, statements concerning NYSE Euronext’s plans, objectives, expectations and intentions and other statements that are not historical or current facts. Forward-looking statements are based on NYSE Euronext’s current expectations and involve risks and uncertainties that could cause actual results to differ materially from those expressed or implied in such forward-looking statements. Factors that could cause NYSE Euronext’s results to differ materially from current expectations include, but are not limited to: NYSE Euronext’s ability to implement its strategic initiatives, economic, political and market conditions and fluctuations, government and industry regulation, interest rate risk and U.S. and global competition, and other factors detailed in NYSE Euronext’s reference document for 2007 (“document de référence”) filed with the French Autorité des Marchés Financiers (Registered on May 15, 2008 under No. R. 08-054), 2007 Annual Report on Form 10-K and other periodic reports filed with the U.S. Securities and Exchange Commission or the French Autorité des Marchés Financiers. In addition, these statements are based on a number of assumptions that are subject to change. Accordingly, actual results may be materially higher or lower than those projected. The inclusion of such projections herein should not be regarded as a representation by NYSE Euronext that the projections will prove to be correct. This press release speaks only as of this date. NYSE Euronext disclaims any duty to update the information herein.

Contact: Mirtha Medina
Phone: 212.656.6192