NEW YORK, May 10 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Friday, May 11, 2007 on the following Amex- listed exchange traded fund: -- Vanguard Emerging Markets ETF (Symbol: VWO) Vanguard Emerging Markets ETF options will open with strike prices of 75- 95 (1 point increments) options will open with position limits of 5,000,000 shares. The options will trade on the March expiration cycle. The specialist will be Bluefin Specialists, LLC. The Fund seeks to track the performance of a benchmark index that measures the investment return of stocks issued by companies located in emerging market countries. The Fund employs a "passive management" -- or indexing -- investment approach by investing substantially all (normally about 95%) of its assets in the common stocks included in the MSCI Emerging Markets Index, while employing a form of sampling to reduce risk. The MSCI Emerging Markets Index includes approximately 840 common stocks of companies located in emerging markets around the world. About the American Stock Exchange The American Stock Exchange(R) (Amex(R)) offers trading across a full range of equities, options and exchange traded funds (ETFs), including structured products and HOLDRS(SM). In addition to its role as a national equities market, the Amex is the pioneer of the ETF, responsible for bringing the first domestic product to market in 1993. Leading the industry in ETF listings, the Amex lists 308 ETFs to date. The Amex is also one of the largest options exchanges in the U.S., trading options on broad-based and sector indexes as well as domestic and foreign stocks. For more information, please visit http://www.amex.com/. DATASOURCE: American Stock Exchange CONTACT: Catherine Chantharaj of American Stock Exchange, +1-212-306-1689, or Web site: http://www.amex.com/

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