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NSX Releases August ETF/ETN Data Report

Date 09/09/2008

National Stock Exchange, Inc. (NSX(R)) today announced that U.S. listed Exchange-Traded Fund (ETF) and Exchange-Traded Note (ETN) assets reached $596.5 billion at the end of August 2008, an increase of 15 percent over $518.9 billion reached one year ago.

Net cash inflows for the month of August 2008 totaled $11.4 billion and notional trading volume during August 2008 totaled $1.7 trillion, representing over 31% of all U.S. equity trading volume. Year-to-date value traded surpassed $14.7 trillion, already a calendar year record. At the end of August 2008, the number of ETF/ETN listed products totaled 819, up 43 percent from the 573 products listed at the end of August 2007.

This data is included in NSX's August 2008 Month-End ETF/ETN Data Report released today. NSX began publishing Data Reports with the release of the June 2007 Report and has become a key industry source for ETF/ETN data. These Data Reports are published following the end of each calendar month.

The NSX monthly statistics include shares of open-end exchange-traded products, encompassing listed shares of investment companies, grantor trusts, ETNs and commodity pools.

NSX's full report provides ETF data on Assets Under Management (AUM), Net Cash Flow and Notional Volume, broken out by Issuer, by Category, and the Top 10 ETFs by Size. To view this report go to: http://www.nsx.com/content/market-data.

In addition, NSX publishes a product-by-product breakdown of the 819 products on which the data is based. The complete list can be accessed at: http://www.nsx.com/content/etf-product-list.

NSX is the cost-effective provider of exchange services, committed to aligning its interests with those of its customers. Founded in 1885, NSX has been a driving force for change in the world of securities exchanges and continues to lead the way in exchange innovation. For more information on NSX, visit http://www.nsx.com.